Derivatives - Schedule of Fair Value of Derivative Financial Instruments and Classification on Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Derivative assets, net
Gross amounts of recognized assets	$ 3,283	$ 3,896
Net amounts included in other assets in the Condensed Consolidated Balance Sheets	3,283	3,896
Gross amounts not offset - Financial instruments	(1,443)	(404)
Gross amounts not offset - Net Amount	1,840	3,492
Securities sold under agreements to repurchase
Gross amounts of recognized liabilities	(27,639)	(47,459)
Net amounts included in accrued interest and other liabilities in the Consolidated Balance Sheets	(27,639)	(47,459)
Gross amounts not offset - Collateral	27,639	47,459
Total offsetting derivative liabilities and securities sold under agreements to repurchase
Gross amounts of recognized liabilities	(38,864)	(57,348)
Net amounts included in accrued interest and other liabilities in the Consolidated Balance Sheets	(38,864)	(57,348)
Gross amounts not offset - Financial instruments	1,443	404
Gross amounts not offset - Collateral	37,315	56,633
Gross amounts not offset - Net Amount	(106)	(311)
Derivatives designated as hedging instruments
Derivative assets, net
Gross amounts of recognized assets	476	695
Net amounts included in other assets in the Condensed Consolidated Balance Sheets	476	695
Gross amounts not offset - Financial instruments	(476)	(316)
Gross amounts not offset - Net Amount		379
Derivatives designated as hedges or not designated as hedges
Gross amounts of recognized liabilities	(8,484)	(6,555)
Net amounts included in accrued interest and other liabilities' in the condensed consolidated balance sheets	(8,484)	(6,555)
Gross amounts not offset - Financial instruments	476	316
Gross amounts not offset - Collateral	8,008	6,239
Derivatives not designated as hedging instruments
Derivative assets, net
Gross amounts of recognized assets	2,807	3,201
Net amounts included in other assets in the Condensed Consolidated Balance Sheets	2,807	3,201
Gross amounts not offset - Financial instruments	(967)	(88)
Gross amounts not offset - Net Amount	1,840	3,113
Derivatives designated as hedges or not designated as hedges
Gross amounts of recognized liabilities	(2,741)	(3,334)
Net amounts included in accrued interest and other liabilities' in the condensed consolidated balance sheets	(2,741)	(3,334)
Gross amounts not offset - Financial instruments	967	88
Gross amounts not offset - Collateral	1,668	2,935
Gross amounts not offset - Net Amount	$ (106)	$ (311)