Fair Value of Financial Instruments (Reconciliation of Fair Valued Assets Measured on a Recurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Collateralized Debt Obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 30,046	$ 23,921	$ 25,339	$ 17,538
Included in other comprehensive income	1,882	485	6,589	6,868
Ending Balance	31,928	24,406	31,928	24,406
Interest Rate Swap [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	(140)	(272)	(199)	(457)
Included in other comprehensive income	33	44	92	229
Ending Balance	$ (107)	$ (228)	$ (107)	$ (228)