Accumulated Other Comprehensive Income ("AOCI") (AOCI by component) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss), Beginning Balance	$ 118,972	$ 46,921
OCI before reclassifications	(9,221)	6,478
Amounts reclassified from AOCI	9,268	0
Other Comprehensive Income (Loss), Net of Tax, Total	47	6,478
Accumulated other comprehensive income (loss), Ending Balance	119,019	53,399
Interest rate Swap
Accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss), Beginning Balance	8,066	(19,368)
OCI before reclassifications	5,842	(4,195)
Amounts reclassified from AOCI	0	0
Other Comprehensive Income (Loss), Net of Tax, Total	5,842	(4,195)
Accumulated other comprehensive income (loss), Ending Balance	13,908	(23,563)
Securities available for sale
Accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss), Beginning Balance	130,505	78,448
OCI before reclassifications	(15,009)	11,094
Amounts reclassified from AOCI	0	0
Other Comprehensive Income (Loss), Net of Tax, Total	(15,009)	11,094
Accumulated other comprehensive income (loss), Ending Balance	115,496	89,542
Pro-rata share of non consolidated subsidiaries' OCI
Accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss), Beginning Balance	(12,058)	(9,319)
OCI before reclassifications	(51)	6
Amounts reclassified from AOCI	9,268	0
Other Comprehensive Income (Loss), Net of Tax, Total	9,217	6
Accumulated other comprehensive income (loss), Ending Balance	(2,841)	(9,313)
Other
Accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss), Beginning Balance	(7,541)	(2,840)
OCI before reclassifications	(3)	(427)
Amounts reclassified from AOCI	0	0
Other Comprehensive Income (Loss), Net of Tax, Total	(3)	(427)
Accumulated other comprehensive income (loss), Ending Balance	$ (7,544)	$ (3,267)