Loans (Analysis of Loan Servicing Rights) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Loan Servicing Rights [Roll Forward]
Beginning balance	$ 2,767us-gaap_ServicingAssetAtAmortizedValue	$ 1,275us-gaap_ServicingAssetAtAmortizedValue	$ 937us-gaap_ServicingAssetAtAmortizedValue
Loan servicing rights capitalized	869	1,897	569
Amortization	(647)	(405)	(231)
Decrease in impairment reserve	0	0	0
Ending balance	2,989us-gaap_ServicingAssetAtAmortizedValue	2,767us-gaap_ServicingAssetAtAmortizedValue	1,275us-gaap_ServicingAssetAtAmortizedValue
Valuation Allowance [Roll Forward]
Beginning balance	(69)	(165)	(172)
Loan servicing rights capitalized	0	0	0
Amortization	0	0	0
Decrease in impairment reserve	67	96	7
Ending balance	(2)	(69)	(165)
Total Loan Servicing Rights [Roll Forward]
Beginning Balance	2,698us-gaap_ServicingAssetAtFairValueAmount	1,110us-gaap_ServicingAssetAtFairValueAmount	765us-gaap_ServicingAssetAtFairValueAmount
Loan servicing rights capitalized	869	1,897	569
Amortization	(647)	(405)	(231)
Decrease in impairment reserve	67	96	7
Ending balance	$ 2,987us-gaap_ServicingAssetAtFairValueAmount	$ 2,698us-gaap_ServicingAssetAtFairValueAmount	$ 1,110us-gaap_ServicingAssetAtFairValueAmount

Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of other increase (decrease) to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of valuation allowance applied to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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

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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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Other net Increase or Decrease in the balance in servicing assets subsequently measured at fair value. This element is for changes other than additions, disposals, changes in fair value resulting from changes in valuation inputs or changes in assumptions, or other changes in fair value.

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Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss.

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New provisions recoveries or charged against this account which increase or reduce the net value of servicing assets.

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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to accounts other than costs and expenses in a given period.

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Servicing Asset at Fair Value, Amortization

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