Disclosures About Fair Value of Assets and Liabilities (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Summary of estimated fair values of company's financial instruments
Cash and due from banks	$ 28,197us-gaap_CashAndDueFromBanks	$ 13,137us-gaap_CashAndDueFromBanks
Loans held for sale, Carrying Amount	5,168us-gaap_LoansReceivableHeldForSaleNet	3,366us-gaap_LoansReceivableHeldForSaleNet
Loans, net of allowance for loan losses, Carrying Amount	509,565us-gaap_LoansReceivableNet	470,339us-gaap_LoansReceivableNet
Federal Reserve and FHLB Bank stock, at cost,Carrying amount	3,748	3,748
Interest receivable	1,346us-gaap_InterestReceivable	1,281us-gaap_InterestReceivable
Mortgage servicing rights carrying amount	5,704	5,180
Deposits, Carrying Amount	550,906us-gaap_Deposits	518,234us-gaap_Deposits
Repurchase agreements, Carrying aamount	12,740us-gaap_ShortTermBorrowings	14,696us-gaap_ShortTermBorrowings
Notes payable, Carrying Amount		589us-gaap_NotesPayable
FHLB advances, Carrying Amount	30,000	16,000
Trust preferred securities, Carrying Amount	10,310us-gaap_OtherLongTermDebt	20,620us-gaap_OtherLongTermDebt
Interest payable	264	639
Level 1 [Member]
Summary of estimated fair values of company's financial instruments
Cash and due from banks, Fair Value	28,197	13,137
Loans held for sale, Fair Value
Loans, net of allowance for loan losses, Fair Value
Federal Reserve and FHLB Bank stock at cost, Fair Value
Interest receivable, Fair Value
Mortgage servicing rights fair value
Deposits, Fair Value	97,853	81,570
Repurchase agreements, Fair Value
Notes payable, Fair Value
FHLB advances, Fair Value
Trust preferred securities, Fair Value
Interest payable, Fair Value
Level 2 [Member]
Summary of estimated fair values of company's financial instruments
Cash and due from banks, Fair Value
Loans held for sale, Fair Value	5,315	3,476
Loans, net of allowance for loan losses, Fair Value
Federal Reserve and FHLB Bank stock at cost, Fair Value	3,748	3,748
Interest receivable, Fair Value	1,346	1,281
Mortgage servicing rights fair value
Deposits, Fair Value	455,383	439,273
Repurchase agreements, Fair Value	12,740	14,696
Notes payable, Fair Value		600
FHLB advances, Fair Value	29,907	15,955
Trust preferred securities, Fair Value	7,206	15,566
Interest payable, Fair Value	264	639
Level 3 [Member]
Summary of estimated fair values of company's financial instruments
Cash and due from banks, Fair Value
Loans held for sale, Fair Value
Loans, net of allowance for loan losses, Fair Value	510,314	469,505
Federal Reserve and FHLB Bank stock at cost, Fair Value
Interest receivable, Fair Value
Mortgage servicing rights fair value	6,358	6,237
Deposits, Fair Value
Repurchase agreements, Fair Value
Notes payable, Fair Value
FHLB advances, Fair Value
Trust preferred securities, Fair Value
Interest payable, Fair Value

Fair value portion of cash and due from banks.

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). Also includes, Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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The fair value amount of Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). Also includes, Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Fair value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid.

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Fair value 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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Reflects the fair value amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases.

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The adjustment to the carrying value of the rights retained or purchased to service mortgages.

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Fair value amount of mortgage servicing rights.

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Fair value as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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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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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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

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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 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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Amount classified as loans attributable to disposal group held for sale or disposed of. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Fair value portion of notes payable.

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Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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