Loans and Allowance for Loan Losses (Details 8) (USD $) In Thousands, unless otherwise specified
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Sep. 30, 2012
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Dec. 31, 2011
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
$ 2,049,109
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$ 1,947,413
|
Commercial Real Estate - Owner Occupied [Member]
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|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
491,487
|
451,115
|
Commercial Real Estate - Non-Owner Occupied [Member]
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|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
693,679
|
653,950
|
Raw Land and Lots [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
208,573
|
208,661
|
Single Family Investment Real Estate [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
205,719
|
192,049
|
Commercial and Industrial [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
209,312
|
211,876
|
5 [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
139,981
|
152,040
|
5 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
22,406
|
17,604
|
5 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
51,597
|
58,844
|
5 [Member] | Raw Land and Lots [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
14,807
|
18,767
|
5 [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
14,109
|
11,928
|
5 [Member] | Commercial and Industrial [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
13,779
|
22,079
|
6 [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
153,707
|
159,867
|
6 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
17,671
|
21,158
|
6 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
31,961
|
38,662
|
6 [Member] | Raw Land and Lots [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
33,719
|
33,673
|
6 [Member] | Single Family Investment Real Estate [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
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|
Loans receivables related risk rating |
12,898
|
14,358
|
6 [Member] | Commercial and Industrial [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
13,284
|
11,559
|
7 [Member]
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
141,500
|
203,709
|
7 [Member] | Commercial Real Estate - Owner Occupied [Member]
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
11,114
|
26,389
|
7 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
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|
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Loans receivables related risk rating including purchased impaired loans |
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Loans receivables related risk rating |
29,279
|
39,854
|
7 [Member] | Raw Land and Lots [Member]
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|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
43,724
|
52,204
|
7 [Member] | Single Family Investment Real Estate [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
8,431
|
16,452
|
7 [Member] | Commercial and Industrial [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
14,671
|
19,066
|
8 [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
1,590
|
1,227
|
8 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
|
709
|
8 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
|
|
8 [Member] | Raw Land and Lots [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
506
|
275
|
8 [Member] | Single Family Investment Real Estate [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
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Loans receivables related risk rating |
739
|
|
8 [Member] | Commercial and Industrial [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
175
|
180
|
Impaired loans purchased [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
5,431
|
8,828
|
Impaired loans purchased [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
1,228
|
1,292
|
Impaired loans purchased [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
1,133
|
Impaired loans purchased [Member] | Raw Land and Lots [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
3,743
|
5,623
|
Impaired loans purchased [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
371
|
388
|
Impaired loans purchased [Member] | Commercial and Industrial [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
89
|
392
|
Impaired loans purchased [Member] | 5 [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
355
|
|
Impaired loans purchased [Member] | 5 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 5 [Member] | Raw Land and Lots [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 5 [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
355
|
|
Impaired loans purchased [Member] | 5 [Member] | Commercial and Industrial [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 6 [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
369
|
Impaired loans purchased [Member] | 6 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 6 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 6 [Member] | Raw Land and Lots [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 6 [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
369
|
Impaired loans purchased [Member] | 6 [Member] | Commercial and Industrial [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 7 [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
5,076
|
8,158
|
Impaired loans purchased [Member] | 7 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
1,228
|
1,292
|
Impaired loans purchased [Member] | 7 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
1,133
|
Impaired loans purchased [Member] | 7 [Member] | Raw Land and Lots [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
3,743
|
5,623
|
Impaired loans purchased [Member] | 7 [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
16
|
19
|
Impaired loans purchased [Member] | 7 [Member] | Commercial and Industrial [Member]
|
|
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Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
89
|
91
|
Impaired loans purchased [Member] | 8 [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
301
|
Impaired loans purchased [Member] | 8 [Member] | Commercial Real Estate - Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 8 [Member] | Commercial Real Estate - Non-Owner Occupied [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 8 [Member] | Raw Land and Lots [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 8 [Member] | Single Family Investment Real Estate [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
|
Impaired loans purchased [Member] | 8 [Member] | Commercial and Industrial [Member]
|
|
|
Loans receivables related risk rating including purchased impaired loans |
|
|
Loans receivables related risk rating |
|
$ 301
|