Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:
Cash and due from banks	$ 19,681	$ 27,079
Federal funds sold and overnight interest-bearing deposits	5,099	1,360
Investment in available-for-sale securities, at fair value	205,816	205,985
Mortgage servicing rights	2,867	3,036
Accrued interest receivable	4,735	4,999
Deposits:
Non-interest bearing demand	200,280	187,382
Savings, interest checking and money market	433,833	419,085
Accrued interest payable	382	426
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and due from banks	19,681	27,079
Federal funds sold and overnight interest-bearing deposits	5,099	1,360
Investment in available-for-sale securities, at fair value	0	1,003
Loans, net	0	0
Investment in FHLB stock	0	0
Mortgage servicing rights	0	0
Cash surrender value - life insurance	0	0
Accrued interest receivable	4,735	4,999
Assets, Total	29,515	34,441
Deposits:
Non-interest bearing demand	200,280	187,382
Savings, interest checking and money market	433,833	419,085
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	19,543	31,084
Subordinated notes	0	0
Federal Home Loan Bank advances	0	0
Accrued interest payable	382	426
Liabilities, Fair Value Disclosure, Total	654,038	637,977
Other Observable Inputs (Level 2)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest-bearing deposits	0	0
Investment in available-for-sale securities, at fair value	205,816	204,982
Loans, net	0	0
Investment in FHLB stock	2,755	2,354
Mortgage servicing rights	0	0
Cash surrender value - life insurance	2,269	2,213
Accrued interest receivable	0	0
Assets, Total	210,840	209,549
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	0	0
Subordinated notes	33,404	32,048
Federal Home Loan Bank advances	36,658	25,366
Accrued interest payable	0	0
Liabilities, Fair Value Disclosure, Total	70,062	57,414
Net Significant Unobservable Inputs (Level 3)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest-bearing deposits	0	0
Investment in available-for-sale securities, at fair value	0	0
Loans, net	850,761	829,223
Investment in FHLB stock	0	0
Mortgage servicing rights	2,867	3,036
Cash surrender value - life insurance	0	0
Accrued interest receivable	0	0
Assets, Total	853,628	832,259
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	332,065	352,432
Federal funds purchased and securities sold under agreements to repurchase	0	0
Subordinated notes	0	0
Federal Home Loan Bank advances	0	0
Accrued interest payable	0	0
Liabilities, Fair Value Disclosure, Total	332,065	352,432
Carrying Amount
Assets:
Cash and due from banks	19,681	27,079
Federal funds sold and overnight interest-bearing deposits	5,099	1,360
Investment in available-for-sale securities, at fair value	205,816	205,985
Loans, net	848,952	825,828
Investment in FHLB stock	2,755	2,354
Mortgage servicing rights	2,867	3,036
Cash surrender value - life insurance	2,269	2,213
Accrued interest receivable	4,735	4,999
Assets, Total	1,092,174	1,072,854
Deposits:
Non-interest bearing demand	200,280	187,382
Savings, interest checking and money market	433,833	419,085
Time deposits	330,592	350,004
Federal funds purchased and securities sold under agreements to repurchase	19,543	31,084
Subordinated notes	49,486	49,486
Federal Home Loan Bank advances	35,000	24,000
Accrued interest payable	382	426
Liabilities, Fair Value Disclosure, Total	1,069,116	1,061,467
Fair Value
Assets:
Cash and due from banks	19,681	27,079
Federal funds sold and overnight interest-bearing deposits	5,099	1,360
Investment in available-for-sale securities, at fair value	205,816	205,985
Loans, net	850,761	829,223
Investment in FHLB stock	2,755	2,354
Mortgage servicing rights	2,867	3,036
Cash surrender value - life insurance	2,269	2,213
Accrued interest receivable	4,735	4,999
Assets, Total	1,093,983	1,076,249
Deposits:
Non-interest bearing demand	200,280	187,382
Savings, interest checking and money market	433,833	419,085
Time deposits	332,065	352,432
Federal funds purchased and securities sold under agreements to repurchase	19,543	31,084
Subordinated notes	33,404	32,048
Federal Home Loan Bank advances	36,658	25,366
Accrued interest payable	382	426
Liabilities, Fair Value Disclosure, Total	$ 1,056,165	$ 1,047,823