Derivative Instruments and Hedging Activities - Schedule of Gross Amounts of Derivative Assets and Derivative Liabilities (Details) - Not Designated as Hedging Instruments - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Other Assets
Derivative Asset [Abstract]
Gross amounts recognized		$ 7,132	$ 8,590
Gross amounts offset		(1,753)	(1,630)
Net amounts presented in the Consolidated Balance Sheets		5,379	6,960
Net Amount		5,379	6,960
Derivative Liability [Abstract]
Gross amounts not offset	[1]	0	0
Other Liabilities
Derivative Liability [Abstract]
Gross amounts recognized		7,105	8,588
Gross amounts offset		(1,753)	(1,630)
Net amounts presented in the Consolidated Balance Sheets		5,352	6,958
Gross amounts not offset	[1]	(2,454)	(14,340)
Net Amount		$ 2,898	$ (7,382)

[1] Amounts represent posted collateral.