Accumulated Other Comprehensive Income ("AOCI") (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated other comprehensive (loss) income, Beginning Balance	$ 50,613	$ 92,221	$ 93,267	$ 71,537
OCI before reclassifications	(7,020)	(22,641)	(49,674)	(1,957)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(7,020)	(22,641)	(49,674)	(1,957)
Accumulated other comprehensive (loss) income, Ending Balance	43,593	69,580	43,593	69,580
Interest rate Swap [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	(23,730)	(30,817)	(25,803)	(31,882)
OCI before reclassifications	(290)	4,781	1,783	5,846
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(290)	4,781	1,783	5,846
Accumulated other comprehensive (loss) income, Ending Balance	(24,020)	(26,036)	(24,020)	(26,036)
Securities available for sale [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	87,442	134,312	133,774	119,309
OCI before reclassifications	(7,064)	(22,764)	(53,396)	(7,761)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(7,064)	(22,764)	(53,396)	(7,761)
Accumulated other comprehensive (loss) income, Ending Balance	80,378	111,548	80,378	111,548
Pro Rata Share Of Non Consolidated Subsidiaries Oci [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	(10,026)	(5,624)	(8,992)	(11,501)
OCI before reclassifications	(114)	(6,028)	(1,148)	(151)
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	(114)	(6,028)	(1,148)	(151)
Accumulated other comprehensive (loss) income, Ending Balance	(10,140)	(11,652)	(10,140)	(11,652)
Other [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	(3,073)	(5,650)	(5,712)	(4,389)
OCI before reclassifications	448	1,370	3,087	109
Amounts reclassified from AOCI	0	0	0	0
Net current period OCI	448	1,370	3,087	109
Accumulated other comprehensive (loss) income, Ending Balance	$ (2,625)	$ (4,280)	$ (2,625)	$ (4,280)