Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income attributable to the Company	$ 16,398	$ 17,610	$ 34,439	$ 36,393
Other comprehensive income/ (loss), net of tax [Abstract]
Unrealized gain/ (loss) on securities available for sale	6,210	(4,317)	15,298	(1,986)
Reclassification adjustment for net realized gain/ (loss) included in net income	157	4	158	9
Net unrealized gain/ (loss) on securities available for sale	6,053	(4,321)	15,140	(1,995)
Unrealized gain/ (loss) on cash flow hedges	(352)	83	(1,498)	(1,017)
Reclassification adjustment for net realized gain/ (loss) included in net income	(266)	(593)	(512)	(1,184)
Net change in unrealized gain/ (loss) on cash flow hedges	(86)	676	(986)	167
Net unrealized gain/ (loss) on other	0	0	0	0
Other comprehensive income/ (loss), net of tax	5,967	(3,645)	14,154	(1,828)
Total comprehensive income/ (loss), attributable to the Company, net	$ 22,365	$ 13,965	$ 48,593	$ 34,565