Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net income	$ 78,512	$ 51,555
Adjustments to reconcile net income to net cash provided by operating activities
Unrealized gain on investments at fair value	(22,190)	(5,824)
Income from equity investments in unconsolidated subsidiaries	(5,659)	(24,294)
Non-cash compensation expense	11,184	4,769
Distributions of income from unconsolidated subsidiaries	5,007	14,125
Amortization of deferred interest on loans	(12,198)	(7,702)
Amortization of deferred financing costs and premiums/discount on debt obligations	7,955	4,103
Changes in assets and liabilities, net
Accrued interest receivable, prepaid expenses, and other assets	(56,703)	(5,236)
Accounts payable, accrued expenses, and other liabilities	443	2,513
Net cash provided by operating activities	6,351	34,009
Cash flows from investing activities
Originations and fundings of loans receivable	(6,430,243)	(1,740,977)
Origination and exit fees received on loans receivable	16,373	21,751
Principal collections and proceeds from the sale of loans receivable and other assets	686,037	271,884
Decrease (increase) in restricted cash	4,566	(1,296)
Net cash used in investing activities	(5,723,267)	(1,448,638)
Cash flows from financing activities
Borrowings under secured debt agreements	6,241,975	1,835,136
Repayments under secured debt agreements	(1,520,790)	(1,167,507)
Repayment of other liabilities		(20,794)
Proceeds from sales of loan participations	256,000	368,850
Repayment of loan participations	(124,164)
Payment of deferred financing costs	(17,712)	(10,510)
Payments under derivative financial instruments	1,062
Purchase of and distributions to non-controlling interests	(36,985)	(1,148)
Proceeds from issuance of class A common stock	1,029,557	510,845
Dividends paid on class A common stock	(60,695)	(32,129)
Net cash provided by financing activities	5,768,248	1,482,743
Net increase in cash and cash equivalents	51,332	68,114
Cash and cash equivalents at beginning of period	51,810	52,342
Effects of currency translation on cash and cash equivalents	1,110
Cash and cash equivalents at end of period	104,252	120,456
Supplemental disclosure of cash flows information
Payments of interest	(43,558)	(21,522)
Payments of income taxes	(126)	(1,159)
Supplemental disclosure of non-cash investing and financing activities
Dividends declared, not paid	(48,480)	(23,322)
Participations sold, net	$ 131,836	$ 368,850