Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 18,184	$ 20,484
Federal funds sold and overnight interest-bearing deposits	24,587	7,893
Investment in available-for-sale securities, at fair value	245,773	235,054
Mortgage servicing rights	2,745	2,847
Accrued interest receivable	4,510	4,853
Deposits:
Non-interest bearing demand	216,886	208,035
Savings, interest checking and money market	485,759	441,080
Accrued interest payable	379	382
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and due from banks	18,184	20,484
Federal funds sold and overnight interest-bearing deposits	24,587	7,893
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	4,510	4,853
Assets, Total	47,281	33,230
Deposits:
Non-interest bearing demand	216,886	208,035
Savings, interest checking and money market	485,759	441,080
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	41,523	56,834
Subordinated notes	0	0
Federal Home Loan Bank advances	0	0
Accrued interest payable	379	382
Liabilities, Fair Value Disclosure, Total	744,547	706,331
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	245,773	235,054
Loans, net	0	0
Investment in FHLB stock	3,433	3,390
Mortgage servicing rights	0	0
Cash surrender value - life insurance	2,361	2,348
Accrued interest receivable	0	0
Assets, Total	251,567	240,792
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	33,455	40,821
Federal Home Loan Bank advances	50,927	52,340
Accrued interest payable	0	0
Liabilities, Fair Value Disclosure, Total	84,382	93,161
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	867,720	854,775
Investment in FHLB stock	0	0
Mortgage servicing rights	2,745	2,847
Cash surrender value - life insurance	0	0
Accrued interest receivable	0	0
Assets, Total	870,465	857,622
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	289,896	298,323
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	289,896	298,323
Carrying Amount
Assets:
Cash and due from banks	18,184	20,484
Federal funds sold and overnight interest-bearing deposits	24,587	7,893
Investment in available-for-sale securities, at fair value	245,773	235,054
Loans, net	866,681	856,476
Investment in FHLB stock	3,433	3,390
Mortgage servicing rights	2,745	2,847
Cash surrender value - life insurance	2,361	2,348
Accrued interest receivable	4,510	4,853
Assets, Total	1,168,274	1,133,345
Deposits:
Non-interest bearing demand	216,886	208,035
Savings, interest checking and money market	485,759	441,080
Time deposits	289,915	298,082
Federal funds purchased and securities sold under agreements to repurchase	41,523	56,834
Subordinated notes	49,486	49,486
Federal Home Loan Bank advances	50,000	50,000
Accrued interest payable	379	382
Liabilities, Fair Value Disclosure, Total	1,133,948	1,103,899
Fair Value
Assets:
Cash and due from banks	18,184	20,484
Federal funds sold and overnight interest-bearing deposits	24,587	7,893
Investment in available-for-sale securities, at fair value	245,773	235,054
Loans, net	867,720	854,775
Investment in FHLB stock	3,433	3,390
Mortgage servicing rights	2,745	2,847
Cash surrender value - life insurance	2,361	2,348
Accrued interest receivable	4,510	4,853
Assets, Total	1,169,313	1,131,644
Deposits:
Non-interest bearing demand	216,886	208,035
Savings, interest checking and money market	485,759	441,080
Time deposits	289,896	298,323
Federal funds purchased and securities sold under agreements to repurchase	41,523	56,834
Subordinated notes	33,455	40,821
Federal Home Loan Bank advances	50,927	52,340
Accrued interest payable	379	382
Liabilities, Fair Value Disclosure, Total	$ 1,118,825	$ 1,097,815

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

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value portion of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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Includes: (1) the amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements (Federal Funds Sold) and (2) the dollar amount outstanding of funds lent in the form of security resale agreements regardless of maturity, if the agreement requires the bank to resell the identical security purchased or a security that meets the definition of substantially the same in the case of a dollar roll. Also include purchases of participations in pools of securities, regardless of maturity (Securities Purchased Under Agreements to Re-sell).

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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The aggregate of all domestic and foreign interest-bearing deposit liabilities.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Fair value of financial and nonfinancial obligations.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.

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