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Mortgage Servicing Rights, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Servicing Asset at Amortized Value, Balance [Roll Forward]
Servicing Asset at Amortized Cost, Beginning	$ 1,319	$ 1,239	$ 1,245	$ 1,189
Servicing Asset at Amortized Value, Additions	330	79	696	231
Servicing Asset at Amortized Value, Amortization	(107)	(61)	(290)	(163)
Servicing Asset at Amortized Value, Change In Valuation Allowance	(101)	(20)	(210)	(20)
Servicing Asset at Amortized Cost, Ending	1,441	1,237	1,441	1,237
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance [Abstract]
Valuation Allowance for Impairment of Recognized Servicing Assets, Beginning Balance	226	0	117	0
Valuation Allowance for Impairment of Recognized Servicing Assets, Ending Balance	327	20	327	20
Servicing Asset at Amortized Value, Fair Value [Abstract]
Servicing Asset at Amortized Value, Fair Value, Beginning	1,319	1,422	1,245	1,335
Servicing Asset at Amortized Value, Fair Value, Ending	$ 1,476	$ 1,237	$ 1,476	$ 1,237

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Amortized carrying amount (balance) as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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The value of new servicing assets, subsequently measured at amortized value, acquired or created during the current period through purchases or from transfers of financial assets.

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Decreases in the value of servicing assets due to the periodic amortization in proportion to and over the period of estimated net servicing income.

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Fair value of the servicing asset that has been amortized as of the balance sheet date.

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