Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income attributable to the Company	$ 17,041	$ 13,203
Other comprehensive income/ (loss), net of tax [Abstract]
Unrealized gain/ (loss) on securities available for sale	1,125	(609)
Reclassification adjustment for net realized gain/ (loss) included in net income	1	6
Net unrealized gain/ (loss) on securities available for sale	1,124	(615)
Unrealized gain/ (loss) on cash flow hedges	(587)	(63)
Reclassification adjustment for net realized gain/ (loss) included in net income	(355)	(270)
Net change in unrealized gain/ (loss) on cash flow hedges	(232)	207
Net unrealized gain/ (loss) on other	0	(156)
Other comprehensive income/ (loss), net of tax	892	(564)
Total comprehensive income/ (loss), attributable to the Company, net	$ 17,933	$ 12,639