Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) $ in Thousands	Oct. 24, 2014	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Loans Receivable with Fixed Rates of Interest, Pool, Maturity Period	10 years
Loans Receivable with Fixed Rates of Interest	$ 29,100
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 19,096	$ 19,269
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		983	438
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 20,000
Derivative, Fixed Interest Rate	2.10%
Derivative, Collateral, Right to Reclaim Cash		1,200
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount		19,096	19,269
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		$ 983	$ 438