Accumulated Other Comprehensive Income (Changes in AOCI) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 936		$ 936
Other comprehensive income (loss), net of tax	1,836	(2,389)
Ending balance	2,772	936	936
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(591)	(1,003)	(591)
Other comprehensive income (loss) before reclassifications	(225)	412
Amounts reclassified from accumulated other comprehensive income	0	0
Other comprehensive income (loss), net of tax	(225)	412
Ending balance	(816)	(591)	(591)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	1,527	4,328	1,527
Other comprehensive income (loss) before reclassifications	2,297	(2,027)
Amounts reclassified from accumulated other comprehensive income	(236)	(774)
Other comprehensive income (loss), net of tax	2,061	(2,801)
Ending balance	$ 3,588	$ 1,527	$ 1,527