CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income attributable to the Company	$ 19,442	$ 22,686
Other comprehensive income/ (loss), net of tax:
Unrealized gain/ (loss) on securities available-for-sale	11,568	(12,895)
Net unrealized gain/ (loss) on securities available-for-sale	11,568	(12,895)
Unrealized gain/ (loss) on cash flow hedges	(27)	588
Reclassification adjustment for net realized (gain)/ loss included in net income	(220)	(14)
Net unrealized gain/ (loss) on cash flow hedges	(247)	574
Other comprehensive income/ (loss), net of tax	11,321	(12,321)
Total comprehensive income attributable to the Company, net	$ 30,763	$ 10,365