Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology) (Details)

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LOANS AND ALLOWANCE FOR LOAN LOSSES (Allowance for Loan Loss Activity, by Portfolio Segment, Balances for Allowance for Credit Losses, and Loans Based on Impairment Methodology) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 34,047 $ 32,384      
Recoveries credited to allowance 828 672      
Loans charged off (2,980) (3,829)      
Provision charged to operations 2,504 1,750      
Balance, end of period 34,399 30,977      
Loans:          
Loans individually evaluated for impairment     $ 76,434   $ 114,105
Loans collectively evaluated for impairment     5,633,963   5,182,304
Total loans held for investment, net     5,780,502 [1] $ 5,671,462 [1] 5,387,755
Allowance for loan losses:          
ALL individually evaluated for impairment     1,493   1,704
ALL collectively evaluated for impairment     32,906   29,273
Financing receivables acquired allowance for credit losses $ 34,047 32,384 34,399 34,047 30,977
Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 70,105 73,737 91,346
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Construction and Land Development [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 6,040 4,856      
Recoveries credited to allowance 19 64      
Loans charged off (93)        
Provision charged to operations 5,055 (111)      
Balance, end of period 11,021 4,809      
Loans:          
Loans individually evaluated for impairment     $ 30,779   48,624
Loans collectively evaluated for impairment     740,782   599,428
Total loans held for investment, net     776,698 749,720 657,581
Allowance for loan losses:          
ALL individually evaluated for impairment     500   132
ALL collectively evaluated for impairment     10,521   4,677
Financing receivables acquired allowance for credit losses $ 6,040 4,856 11,021 6,040 4,809
Construction and Land Development [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 5,137 5,986 9,529
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Commercial Real Estate - Owner Occupied [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 4,614 4,640      
Recoveries credited to allowance 46 2      
Loans charged off (772) (33)      
Provision charged to operations (477) 260      
Balance, end of period 3,411 4,869      
Loans:          
Loans individually evaluated for impairment     $ 16,026   24,577
Loans collectively evaluated for impairment     805,916   842,641
Total loans held for investment, net     849,202 860,086 898,222
Allowance for loan losses:          
ALL individually evaluated for impairment     81   526
ALL collectively evaluated for impairment     3,330   4,343
Financing receivables acquired allowance for credit losses $ 4,614 4,640 3,411 4,614 4,869
Commercial Real Estate - Owner Occupied [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 27,260 27,388 31,004
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Commercial Real Estate - Non-Owner Occupied [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 6,929 7,256      
Recoveries credited to allowance   40      
Loans charged off   (2,253)      
Provision charged to operations (2,445) 894      
Balance, end of period 4,484 5,937      
Loans:          
Loans individually evaluated for impairment     $ 4,203   14,949
Loans collectively evaluated for impairment     1,278,412   1,148,867
Total loans held for investment, net     1,296,251 1,270,480 1,180,464
Allowance for loan losses:          
ALL individually evaluated for impairment     1   146
ALL collectively evaluated for impairment     4,483   5,791
Financing receivables acquired allowance for credit losses $ 6,929 7,256 4,484 6,929 5,937
Commercial Real Estate - Non-Owner Occupied [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 13,636 13,519 16,648
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Multifamily Real Estate [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 1,606 1,374      
Provision charged to operations (204) 81      
Balance, end of period 1,402 1,455      
Loans:          
Loans individually evaluated for impairment     $ 3,803   4,591
Loans collectively evaluated for impairment     317,335   291,039
Total loans held for investment, net     323,270 322,528 298,651
Allowance for loan losses:          
ALL collectively evaluated for impairment     1,402   1,455
Financing receivables acquired allowance for credit losses $ 1,606 1,374 1,402 1,606 1,455
Multifamily Real Estate [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 2,132 1,555 3,021
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Commercial & Industrial [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 3,163 2,610      
Recoveries credited to allowance 238 97      
Loans charged off (617) (671)      
Provision charged to operations 1,441 781      
Balance, end of period 4,225 2,817      
Loans:          
Loans individually evaluated for impairment     $ 3,301   5,743
Loans collectively evaluated for impairment     448,336   400,873
Total loans held for investment, net     453,208 435,365 409,867
Allowance for loan losses:          
ALL individually evaluated for impairment     467   440
ALL collectively evaluated for impairment     3,758   2,377
Financing receivables acquired allowance for credit losses $ 3,163 2,610 4,225 3,163 2,817
Commercial & Industrial [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 1,571 1,813 3,251
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Residential 1-4 Family [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 5,414 5,607      
Recoveries credited to allowance 243 159      
Loans charged off (153) (250)      
Provision charged to operations 471 (330)      
Balance, end of period 5,975 5,186      
Loans:          
Loans individually evaluated for impairment     $ 14,558   13,484
Loans collectively evaluated for impairment     945,615   932,790
Total loans held for investment, net     978,478 978,469 970,928
Allowance for loan losses:          
ALL individually evaluated for impairment     414   432
ALL collectively evaluated for impairment     5,561   4,754
Financing receivables acquired allowance for credit losses $ 5,414 5,607 5,975 5,414 5,186
Residential 1-4 Family [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 18,305 21,159 24,654
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Auto [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 1,703 1,297      
Recoveries credited to allowance 84 82      
Loans charged off (365) (183)      
Provision charged to operations (615) 131      
Balance, end of period 807 1,327      
Loans:          
Loans individually evaluated for impairment     $ 162   1
Loans collectively evaluated for impairment     241,575   211,292
Total loans held for investment, net     241,737 234,061 211,293
Allowance for loan losses:          
ALL individually evaluated for impairment     1    
ALL collectively evaluated for impairment     806   1,327
Financing receivables acquired allowance for credit losses $ 1,703 1,297 $ 807 1,703 1,327
Auto [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
HELOC [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 2,934 2,675      
Recoveries credited to allowance 83 42      
Loans charged off (409) (60)      
Provision charged to operations (1,325) (52)      
Balance, end of period 1,283 2,605      
Loans:          
Loans individually evaluated for impairment     $ 2,833   1,226
Loans collectively evaluated for impairment     512,754   511,635
Total loans held for investment, net     517,122 516,726 514,750
Allowance for loan losses:          
ALL individually evaluated for impairment     28   12
ALL collectively evaluated for impairment     1,255   2,593
Financing receivables acquired allowance for credit losses $ 2,934 2,675 1,283 2,934 2,605
HELOC [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 1,535 1,791 1,889
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
Consumer and all Other [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, beginning of the year $ 1,644 2,069      
Recoveries credited to allowance 115 186      
Loans charged off (571) (379)      
Provision charged to operations 603 96      
Balance, end of period 1,791 1,972      
Loans:          
Loans individually evaluated for impairment     $ 769   910
Loans collectively evaluated for impairment     343,238   243,739
Total loans held for investment, net     344,536 304,027 245,999
Allowance for loan losses:          
ALL individually evaluated for impairment     1   16
ALL collectively evaluated for impairment     1,790   1,956
Financing receivables acquired allowance for credit losses $ 1,644 $ 2,069 1,791 1,644 1,972
Consumer and all Other [Member] | Purchased Impaired [Member]          
Allowance for loan loss activity, by portfolio segment, balances for allowance for credit losses, and loans based on impairment methodology          
Balance, end of period        
Loans:          
Total loans held for investment, net     $ 529 $ 526 $ 1,350
Allowance for loan losses:          
Financing receivables acquired allowance for credit losses      
[1] Loans, as presented, are net of deferred fees and costs totaling $3.6 million and $3.0 million as of March 31, 2016 and December 31, 2015, respectively.