Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets:
Cash and due from banks	$ 18,067us-gaap_CashAndDueFromBanks	$ 22,364us-gaap_CashAndDueFromBanks
Federal funds sold and overnight interest-bearing deposits	17,691	20,445
Investment in available-for-sale securities, at fair value	234,957	198,998
Mortgage servicing rights	2,662us-gaap_ServicingAssetAtFairValueAmount	2,762us-gaap_ServicingAssetAtFairValueAmount
Accrued interest receivable	4,295us-gaap_InterestReceivable	4,816us-gaap_InterestReceivable
Deposits:
Non-interest bearing demand	199,655	207,700
Savings, interest checking and money market	474,407	442,059
Accrued interest payable	376	373
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and due from banks	18,067	22,364
Federal funds sold and overnight interest-bearing deposits	17,691	20,445
Investment in available-for-sale securities, at fair value	0	0
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	4,295	4,816
Assets, Total	40,053	47,625
Deposits:
Non-interest bearing demand	199,655	207,700
Savings, interest checking and money market	474,407	442,059
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	22,363	17,970
Subordinated notes	0	0
Federal Home Loan Bank advances	0	0
Accrued interest payable	376	373
Liabilities, Fair Value Disclosure, Total	696,801	668,102
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	234,957	198,998
Loans, net	0	0
Investment in FHLB stock	2,990	3,075
Mortgage servicing rights	0	0
Cash surrender value - life insurance	2,302	2,284
Accrued interest receivable	0	0
Assets, Total	240,249	204,357
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	36,459	33,371
Federal Home Loan Bank advances	41,249	44,396
Accrued interest payable	0	0
Liabilities, Fair Value Disclosure, Total	77,708	77,767
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	852,844	854,062
Investment in FHLB stock	0	0
Mortgage servicing rights	2,662	2,762
Cash surrender value - life insurance	0	0
Accrued interest receivable	0	0
Assets, Total	855,506	856,824
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	320,334	321,041
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	320,334	321,041
Carrying Amount
Assets:
Cash and due from banks	18,067	22,364
Federal funds sold and overnight interest-bearing deposits	17,691	20,445
Investment in available-for-sale securities, at fair value	234,957	198,998
Loans, net	853,406	852,114
Investment in FHLB stock	2,990	3,075
Mortgage servicing rights	2,662	2,762
Cash surrender value - life insurance	2,302	2,284
Accrued interest receivable	4,295	4,816
Assets, Total	1,136,370	1,106,858
Deposits:
Non-interest bearing demand	199,655	207,700
Savings, interest checking and money market	474,407	442,059
Time deposits	319,049	319,755
Federal funds purchased and securities sold under agreements to repurchase	22,363	17,970
Subordinated notes	49,486	49,486
Federal Home Loan Bank advances	40,000	43,000
Accrued interest payable	376	373
Liabilities, Fair Value Disclosure, Total	1,105,336	1,080,343
Fair Value
Assets:
Cash and due from banks	18,067	22,364
Federal funds sold and overnight interest-bearing deposits	17,691	20,445
Investment in available-for-sale securities, at fair value	234,957	198,998
Loans, net	852,844	854,062
Investment in FHLB stock	2,990	3,075
Mortgage servicing rights	2,662	2,762
Cash surrender value - life insurance	2,302	2,284
Accrued interest receivable	4,295	4,816
Assets, Total	1,135,808	1,108,806
Deposits:
Non-interest bearing demand	199,655	207,700
Savings, interest checking and money market	474,407	442,059
Time deposits	320,334	321,041
Federal funds purchased and securities sold under agreements to repurchase	22,363	17,970
Subordinated notes	36,459	33,371
Federal Home Loan Bank advances	41,249	44,396
Accrued interest payable	376	373
Liabilities, Fair Value Disclosure, Total	$ 1,094,843	$ 1,066,910

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258