Goodwill and Intangible Assets (Details Textual) (USD $)
|
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Amortization expense | $ 4,835,000 | $ 3,182,000 | ||
Minimum [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Period of amortization | 4 years | |||
Maximum [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Period of amortization | 14 years | |||
Harrisonburg branch acquisition [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Core deposit intangible | 9,500 | 9,500 | ||
Goodwill | 1,800,000 | 1,800,000 | ||
Amortizable core deposit intangibles [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Amortization expense | 1,200,000 | 1,600,000 | 2,500,000 | 3,200,000 |
Amortizable core deposit intangibles [Member] | Harrisonburg branch acquisition [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Amortization expense | 9,500 | |||
Trademark intangible [Member]
|
||||
Goodwill and Intangible Assets (Textual) [Abstract] | ||||
Amortization expense | $ 100,000 | $ 100,000 | $ 200,000 | $ 200,000 |