Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Activities
Net income	$ 10,818us-gaap_NetIncomeLoss	$ 9,200us-gaap_NetIncomeLoss	$ 7,246us-gaap_NetIncomeLoss
Items not requiring cash
Provision for loan losses	850	1,300	6,025
Depreciation and amortization	4,113	5,756	6,736
Deferred income tax	914	2,213	582
Loans originated for sale	(67,295)	(67,787)	(42,060)
Proceeds from sales of loans held for sale	64,614	70,926	43,171
Gain on sale of loans held for sale	(1,849)us-gaap_GainLossOnSaleOfLoansAndLeases	(852)us-gaap_GainLossOnSaleOfLoansAndLeases	(1,870)us-gaap_GainLossOnSaleOfLoansAndLeases
Gain on sale of securities - available for sale	(313)	(835)	(2,831)
Loss on sale of other real estate and repossessed assets	53us-gaap_GainLossOnSaleOfOtherAssets	320us-gaap_GainLossOnSaleOfOtherAssets	564us-gaap_GainLossOnSaleOfOtherAssets
Prepaid FDIC premium		1,647	1,174
Change in
Interest receivable and other assets	(213)	(412)	1,201
Interest payable and other liabilities	774	507	726
Cash value of life insurance	(1,158)	(1,396)	(1,351)
Other equity adjustments		474us-gaap_OtherNoncashIncomeExpense	624us-gaap_OtherNoncashIncomeExpense
Other adjustments	702	558	524
Net cash provided by operating activities	12,010	21,619	20,461
Investing Activities
Net change in interest earning deposits			1,415
Purchases of securities
Purchases of securities, available for sale	(48,001)	(99,766)	(114,448)
Proceeds from maturities and paydowns of securities
Available for sale	31,709	53,348	68,847
Proceeds from sales of securities, available for sale	28,317	53,179	98,326
Redemption of Federal Home Loan Bank stock	2,427
Net change in loans	(41,611)	(3,863)	(88,639)
Proceeds from sales of loans transferred to held for sale			3,669
Purchases of premises and equipment	(1,306)	(1,025)	(2,139)
Cash paid in acquisition, net	(900)
Proceeds from real estate owned sales	7,605	3,753	4,539
Net cash provided by (used in) investing activities	(21,760)	5,626	(28,430)
Net change in
Noninterest-bearing, interest-bearing demand and savings deposits	36,828us-gaap_IncreaseDecreaseInDeposits	35,215us-gaap_IncreaseDecreaseInDeposits	79,986us-gaap_IncreaseDecreaseInDeposits
Certificates of deposit	(70,593)us-gaap_IncreaseDecreaseInTimeDeposits	(106,140)us-gaap_IncreaseDecreaseInTimeDeposits	(64,334)us-gaap_IncreaseDecreaseInTimeDeposits
Proceeds from FHLB advances	493,700	355,375	496,650
Repayment of FHLB advances	(444,186)	(287,122)	(523,369)
Repayment of other borrowings	(759)us-gaap_RepaymentsOfOtherLongTermDebt	(759)us-gaap_RepaymentsOfOtherLongTermDebt	(847)us-gaap_RepaymentsOfOtherLongTermDebt
Redemption of preferred stock		(28,924)
Cash dividends	(2,297)us-gaap_PaymentsOfDividends	(2,953)us-gaap_PaymentsOfDividends	(3,113)us-gaap_PaymentsOfDividends
Other financing activities	1,347	570	551
Net cash provided by (used in) financing activities	14,040	(34,738)	(14,476)
Net Change in Cash and Cash Equivalents	4,290	(7,493)	(22,445)
Cash and Cash Equivalents, Beginning of Period	25,285	32,778	55,223
Cash and Cash Equivalents, End of Period	29,575	25,285	32,778
Additional Cash Flows Information
Interest paid	8,857us-gaap_InterestPaid	11,145us-gaap_InterestPaid	14,808us-gaap_InterestPaid
Income tax paid	2,500us-gaap_IncomeTaxesPaid	1,800us-gaap_IncomeTaxesPaid	600us-gaap_IncomeTaxesPaid
Transfers from loans to foreclosed real estate	2,129	5,038	5,254
Mortgage servicing rights capitalized	$ 278mfsf_MortgageServicingRightsCapitalized	$ 464mfsf_MortgageServicingRightsCapitalized	$ 294mfsf_MortgageServicingRightsCapitalized

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The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.

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The cash outflow to reacquire preferred stock during the period.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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

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-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from a borrowing made from Federal Home Loan Bank.

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The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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The net cash inflow or outflow in Interest-bearing Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits.

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-Topic 942

-SubTopic 230

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-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6477933&loc=d3e60009-112784

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The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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-Name Accounting Standards Codification

-Glossary Investing Activities

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The net cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans.

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The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 16

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- Definition

The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

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-Name Regulation S-X (SX)

-Number 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.11)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

The cash outflow for the payment of loan drawn from Federal Home Loan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (with maturities initially due after one year or beyond the operating cycle if longer).

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