MORTGAGE BANKING AND LOAN SERVICING (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
MORTGAGE BANKING AND LOAN SERVICING
Gain from sale of mortgage loans and interest rate locks	$ 4,730,000us-gaap_GainLossOnSaleOfMortgageLoans	$ 3,956,000us-gaap_GainLossOnSaleOfMortgageLoans	$ 9,126,000us-gaap_GainLossOnSaleOfMortgageLoans
Mortgage loan servicing revenue (expense):
Mortgage loan servicing revenue	3,053,000	3,565,000	3,441,000
Amortization of mortgage servicing rights	(1,004,000)	(1,472,000)	(1,964,000)
Mortgage servicing rights valuation adjustments	(25,000)	750,000	(676,000)
Net servicing revenue	2,024,000	2,843,000	801,000
Net revenue from mortgage banking activity	6,754,000	6,799,000	9,927,000
Loan servicing fee income	2,065,000	2,038,000	1,864,000
Unpaid principal balances of loans serviced for others	879,664,000	785,794,000
Custodial escrow balances maintained in connection with serviced loans	6,107,000	6,234,000
1-4 family residential mortgage loans
Loan servicing
Notional amount of interest rate lock commitments	34,100,000	20,700,000
Estimated fair value of interest rate lock commitments	975,000	525,000
Mortgage servicing rights
Loan servicing
Weighted average amortization period	6 years
Carrying value.	$ 5,708,000	$ 5,155,000	$ 4,350,000	$ 5,412,000
Discount rate (as a percent)	10.00%	10.00%
Mortgage servicing rights \| Minimum
Loan servicing
Prepayment speeds (as a percent)	95.00%	105.00%
Mortgage servicing rights \| Maximum
Loan servicing
Prepayment speeds (as a percent)	388.00%	368.00%

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Represents information pertaining to the income (loss) derived from mortgage loan servicing.

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Represents the amount of custodial escrow balances maintained in connection with servicing assets at year end.

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No definition available.

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The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Weighted average life of securitized assets regardless of when the transfer occurred, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred.

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Estimated rate of prepayment of principal on financial assets regardless of when the transfer occurred.

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- Definition

The total amount of contractually specified servicing fees, late fees, and ancillary fees earned for each period for which results of operations are presented.

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Nominal or face amount used to calculate payments on the derivative asset.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.

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Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

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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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