Derivative Instruments and Hedging Activities (Details) - Fair Value Hedges - Fair Value Hedging - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross notional amount outstanding		$ 5,958	$ 11,620
Derivative liability fair value		$ (282)	$ (643)
Weighted-average interest rate received		2.63%	2.25%
Weighted-average interest rate paid		5.96%	6.36%
Weighted-average maturity (in years)		1 year 10 months 1 day	1 year 11 months 19 days
Fair value of derivative	[1]	$ 296	$ 665

[1] This amount represents the fair value if credit risk related contingent features were triggered.