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v3.3.1.900

Accounting Policies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($) Payment Quarter Segment | Dec. 31, 2014 USD ($) shares | Dec. 31, 2013 USD ($)
Certificates of Deposits in Other Banks [Abstract] |  |  |
Maturity period of certificates of deposit in other banks | 18 months |  |
Loans [Abstract] |  |  |
Threshold past due period after which loan must be well secured and in the process of collection to continue accruing interest | 90 days |  |
Minimum threshold period for not reclassifying loans as accruing loans | 6 months |  |
Allowance for Loan and Lease Losses [Abstract] |  |  |
Charge off threshold for unsecured commercial loans considered uncollectible | 90 days |  |
Charge off threshold for closed-end consumer loans and uncollectible loans | 120 days |  |
Number of monthly payments before loan charge off | Payment | 5 |  |
Current value assessment period for past due loans secured against real estate | 90 days |  |
Foreclosure proceedings initiated | 120 days |  |
Other Real Estate Owned [Abstract] |  |  |
Typical frequency of periodic reviews, minimum | 12 months |  |
Typical frequency of periodic reviews, maximum | 18 months |  |
Maximum frequency of periodic reviews | 24 months |  |
Goodwill and Core Deposit Intangible [Abstract] |  |  |
Goodwill | $ 65,490 | $ 65,490 |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Beginning balance, January 1 | 477 |  |
Ending balance, December 31 | $ 291 | $ 477 |
Segment Reporting [Abstract] |  |  |
Number of operating segments | Segment | 1 |  |
Reclassifications [Abstract] |  |  |
Stock dividend rate |  | 10.00% |
Dividend record date |  | May 15, 2014 |
New shares issued in stock dividend (in shares) | shares |  | 1,582,137 |
Fair value of additional shares issued |  | $ 0 |
Minimum [Member] |  |  |
Allowance for Loan and Lease Losses [Abstract] |  |  |
Historical loan loss review period (in quarters) | Quarter | 12 |  |
Buildings [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful life | 40 years |  |
Furniture, Fixtures, and Equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful life | 2 years |  |
Furniture, Fixtures, and Equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Estimated useful life | 10 years |  |
Core Deposit Intangible [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Beginning balance, January 1 | $ 477 | 690 | $ 904
Amortization | (186) | (213) | (214)
Ending balance, December 31 | 291 | 477 | $ 690
Amortization of intangible assets for year one | 200 |  |
Amortization of intangible assets for year two | $ 100 |  |
Retained Earnings [Member] |  |  |
Reclassifications [Abstract] |  |  |
Fair value of additional shares issued |  | (52,304) |
Common Stock [Member] |  |  |
Reclassifications [Abstract] |  |  |
Fair value of additional shares issued |  | 7,910 |
Additional Paid-in Capital [Member] |  |  |
Reclassifications [Abstract] |  |  |
Fair value of additional shares issued |  | $ 44,394 |

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