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Parent Corporation Only Financial Statements (Schedule of Condensed Cash Flow Statement) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Cash flows from operating activities: |  |  |
Net income | $ 19,925 | $ 17,507 | $ 13,926
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Change in deferred tax asset | 1,739 | 1,912 | 3,406
Increase (Decrease) in Other Operating Assets | 397 | 2,538 | 402
(Decrease) increase in other liabilities | (1,792) | 980 | (585)
Stock based compensation | 59 | 39 | 35
Net cash provided by operating activities | 23,153 | 21,066 | 18,084
Cash flows from investing activities: |  |  |
Net cash used in investing activities | (77,554) | (108,320) | (152,580)
Cash flows from financing activities: |  |  |
Net decrease in borrowings | (71,761) | (83,478) | (49,223)
Cash dividends on common stock | (4,254) | (2,778) | (1,955)
Cash dividends on preferred stock | (141) | (363) | (417)
Proceeds from Issuance of Preferred Stock and Preference Stock | 0 | 0 | 11,250
Proceeds from exercise of stock options | 21 | 141 | 328
Net cash provided by financing activities | 30,955 | 82,291 | 208,100
Decrease in cash and cash equivalents | (23,446) | (4,963) | 73,604
Cash and cash equivalents at beginning of period | 106,138 | 111,101 | 37,497
Cash and cash equivalents at end of period | 82,692 | 106,138 | 111,101
Parent Company [Member] |  |  |
Cash flows from operating activities: |  |  |
Net income | 19,925 | 17,507 | 13,926
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Net gains on available for sale securities | (22) | (26) | 0
Equity in undistributed earnings of subsidiary | (15,916) | (15,709) | (13,455)
Change in deferred tax asset | 0 | 0 | 3
Increase (Decrease) in Other Operating Assets | (167) | 563 | (298)
(Decrease) increase in other liabilities | (276) | (772) | 220
Stock based compensation | 59 | 39 | 35
Net cash provided by operating activities | 3,603 | 1,602 | 431
Cash flows from investing activities: |  |  |
Proceeds from sales of available-for-sale securities | 181 | 375 | 0
Purchase of available-for-sale securities | 0 | (410) | 0
Investments in subsidiaries | 0 | 0 | (1,250)
Net cash used in investing activities | 181 | (35) | (1,250)
Cash flows from financing activities: |  |  |
Net decrease in borrowings | 0 | 0 | (310)
Cash dividends on common stock | (4,254) | (2,778) | (1,955)
Cash dividends on preferred stock | (141) | (363) | (417)
Warrant repurchased | 0 | 0 | (245)
Issuance of restricted stock award | 243 | 0 | 0
Issuance cost of stock | (13) | (8) | (5)
Proceeds from exercise of stock options | 21 | 141 | 328
Tax expense from stock based compensation | 16 | 28 | 0
Net cash provided by financing activities | (4,128) | (2,980) | (1,438)
Decrease in cash and cash equivalents | (344) | (1,413) | (2,257)
Cash and cash equivalents at beginning of period | 629 | 2,042 | 4,299
Cash and cash equivalents at end of period | 285 | 629 | 2,042
Series A Preferred Stock [Member] | Parent Company [Member] |  |  |
Cash flows from financing activities: |  |  |
Redemption of Series A preferred stock | 0 | 0 | (10,000)
Series B Preferred Stock [Member] | Parent Company [Member] |  |  |
Cash flows from financing activities: |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | 0 | 0 | 11,250
Issuance cost of stock | $ 0 | $ 0 | $ (84)

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration