Accumulated Other Comprehensive Income (Changes in AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ 525
Other comprehensive income (loss), net of tax	$ 1,151	$ (1,184)	2,207	$ (936)	$ (2,247)
Ending balance	2,732	1,836	2,732	1,836	525
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(935)	(816)	(816)
Other comprehensive income (loss) before reclassifications			(81)	(61)
Amounts reclassified from accumulated other comprehensive income			0	0
Other comprehensive income (loss), net of tax			(81)	(61)
Ending balance	(1,016)	(877)	(1,016)	(877)	(935)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			1,460	3,588	3,588
Other comprehensive income (loss) before reclassifications			2,460	(618)
Amounts reclassified from accumulated other comprehensive income			(172)	(257)
Other comprehensive income (loss), net of tax			2,288	(875)
Ending balance	$ 3,748	$ 2,713	$ 3,748	$ 2,713	$ 1,460