Accumulated Other Comprehensive Income - ("AOCI") (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accumulated other comprehensive income (loss), Beginning Balance	$ 72,556	$ 50,613	$ 46,921	$ 93,267
OCI before reclassifications	9,818	(7,020)	35,453	(49,674)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	9,818	(7,020)	35,453	(49,674)
Accumulated other comprehensive income (loss), Ending Balance	82,374	43,593	82,374	43,593
Interest rate Swaps
Accumulated other comprehensive income (loss), Beginning Balance	(30,538)	(23,730)	(19,368)	(25,803)
OCI before reclassifications	7,688	(290)	(3,482)	1,783
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	7,688	(290)	(3,482)	1,783
Accumulated other comprehensive income (loss), Ending Balance	(22,850)	(24,020)	(22,850)	(24,020)
Securities available for sale [Member]
Accumulated other comprehensive income (loss), Beginning Balance	117,561	87,442	78,448	133,774
OCI before reclassifications	3,685	(7,064)	42,798	(53,396)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	3,685	(7,064)	42,798	(53,396)
Accumulated other comprehensive income (loss), Ending Balance	121,246	80,378	121,246	80,378
Pro Rata Share Of Non Consolidated Subsidiaries Oci [Member]
Accumulated other comprehensive income (loss), Beginning Balance	(9,941)	(10,026)	(9,319)	(8,992)
OCI before reclassifications	(915)	(114)	(1,537)	(1,148)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(915)	(114)	(1,537)	(1,148)
Accumulated other comprehensive income (loss), Ending Balance	(10,856)	(10,140)	(10,856)	(10,140)
Other [Member]
Accumulated other comprehensive income (loss), Beginning Balance	(4,526)	(3,073)	(2,840)	(5,712)
OCI before reclassifications	(640)	448	(2,326)	3,087
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(640)	448	(2,326)	3,087
Accumulated other comprehensive income (loss), Ending Balance	$ (5,166)	$ (2,625)	$ (5,166)	$ (2,625)