Other Comprehensive Income (Loss) - Summary of accumulated other comprehensive income balances net of tax (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss)
Balance			$ (1,211)	$ 71
Current Year change	$ 3,288	$ (3,803)	7,717	(1,457)
Balance	6,506	(1,386)	6,506	(1,386)
Unrealized Gain (Loss) on Derivatives
Accumulated Other Comprehensive Income (Loss)
Balance			(1,229)	(1,197)
Current Year change			(587)	148
Balance	(1,816)	(1,049)	(1,816)	(1,049)
Unrealized Gain (Loss) on Securities
Accumulated Other Comprehensive Income (Loss)
Balance			18	1,268
Current Year change			8,304	(1,605)
Balance	$ 8,322	$ (337)	$ 8,322	$ (337)