Accumulated Other Comprehensive Income - Change in other comprehensive income for period (Phantom) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Equity [Abstract]
Unrealized holding gains (losses), tax	$ (102)	$ (89)	$ 229	$ (1,911)
Reclassification adjustment, tax	0	4	47	48
Unrealized loss on interest rate swaps tax	66	(39)	66	14
Reclassification adjustment, derivative, tax	$ 0	$ 3	$ 2	$ 0