Derivative and Hedging Activities - Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Offsetting of derivative assets:
Offsetting of Derivative Assets, Gross Amount of Recognized Assets	$ 5,683	$ 933
Offsetting of derivative liabilities:
Offsetting of Derivative Liabilities, Gross Amount of Recognized Assets	(3)	$ (110)
Derivatives designated as hedging instruments
Offsetting of derivative assets:
Offsetting of Derivative Assets, Gross Amount of Recognized Assets	5,667
Offsetting of Derivative Assets, Gross Amount Offset in the Balance Sheets	0
Offsetting of Derivative Assets, Net Amount of Assets Presented in the Balance Sheets	5,667
Offsetting of Derivative Assets, Gross Amounts Not Offset in the Balance Sheet, Offsetting of Derivative Assets, Financial Instruments	0
Offsetting of Derivative Assets, Gross Amounts Not Offset in the Balance Sheet, Cash Collateral Received	5,061
Offsetting of Derivative Assets, Net Amount	606
Offsetting of derivative liabilities:
Offsetting of Derivative Liabilities, Gross Amount of Recognized Assets	0
Offsetting of Derivative Liabilities, Gross Amount Offset in the Balance Sheets	0
Offsetting of Derivative Liabilities, Net Amount of Assets Presented in the Balance Sheets	0
Offsetting of Derivative Liabilities, Gross Amounts Not Offset in the Balance Sheet, Financial Instruments	0
Offsetting of Derivative Liabilities, Gross Amounts Not Offset in the Balance Sheet, Cash Collateral Received	0
Offsetting of Derivative Liabilities, Net Amount	0
Derivatives designated as hedging instruments | Interest Rate Swap
Offsetting of derivative assets:
Offsetting of Derivative Assets, Gross Amount of Recognized Assets	5,667
Offsetting of Derivative Assets, Gross Amount Offset in the Balance Sheets	0
Offsetting of Derivative Assets, Net Amount of Assets Presented in the Balance Sheets	5,667
Offsetting of Derivative Assets, Gross Amounts Not Offset in the Balance Sheet, Offsetting of Derivative Assets, Financial Instruments	0
Offsetting of Derivative Assets, Gross Amounts Not Offset in the Balance Sheet, Cash Collateral Received	5,061
Offsetting of Derivative Assets, Net Amount	606
Offsetting of derivative liabilities:
Offsetting of Derivative Liabilities, Gross Amount of Recognized Assets	0
Offsetting of Derivative Liabilities, Gross Amount Offset in the Balance Sheets	0
Offsetting of Derivative Liabilities, Net Amount of Assets Presented in the Balance Sheets	0
Offsetting of Derivative Liabilities, Gross Amounts Not Offset in the Balance Sheet, Financial Instruments	0
Offsetting of Derivative Liabilities, Gross Amounts Not Offset in the Balance Sheet, Cash Collateral Received	0
Offsetting of Derivative Liabilities, Net Amount	$ 0