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Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Fair Value - Schedule of losses recognized on assets measured at fair value on non-recurring basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Fair Value
Losses recognized on loans	$ 0	$ 0
Impaired loans \| Significant Unobservable Inputs (Level 3)
Fair Value
Impaired loans carried at fair value of collateral	$ 2,456		$ 2,557
Real estate owned. \| Significant Unobservable Inputs (Level 3)
Fair Value
Real estate owned			$ 360