Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 38,272	$ 16,933	$ 89,856	$ 43,553
OTHER COMPREHENSIVE INCOME
Increase (decrease) in net unrealized gain on available for sale securities	3,759	6,048	25,636	(14,281)
Reclassification adjustment for net gain included in net income	(4,884)		(4,884)
Increase (decrease) in fair value of derivative instruments utilized for cash flow hedges	1,181	(1,561)	(149)	3,337
OTHER COMPREHENSIVE INCOME (LOSS)	56	4,487	20,603	(10,944)
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 38,328	$ 21,420	$ 110,459	$ 32,609