Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities
Net income	$ 193,040	$ 146,288
Adjustments to reconcile net income to net cash provided by operating activities
Gain on investments at fair value	(13,413)	(22,108)
Income from equity investments in unconsolidated subsidiaries	(2,192)	(5,677)
Non-cash compensation expense	16,517	14,470
Distributions of income from unconsolidated subsidiaries	8,167	5,007
Amortization of deferred interest on loans	(31,594)	(25,489)
Amortization of deferred financing costs and premiums/discount on debt obligations	15,129	14,684
Changes in assets and liabilities, net
Other assets	8,315	(28,679)
Other liabilities	(6,405)	6,114
Net cash provided by operating activities	187,564	104,610
Cash flows from investing activities
Originations and fundings of loans receivable	(2,300,636)	(6,807,347)
Principal collections and sale proceeds from loans receivable and other assets	3,054,821	1,584,189
Origination and exit fees received on loans receivable	35,388	26,799
Change in restricted cash	8,678	2,528
Net cash provided by (used in) investing activities	798,251	(5,193,831)
Cash flows from financing activities
Borrowings under secured debt agreements	2,225,895	6,560,426
Repayments under secured debt agreements	(2,988,217)	(2,279,837)
Proceeds from sales of loan participations	54,441	256,000
Repayment of loan participations	(92,000)	(238,164)
Payment of deferred financing costs	(12,564)	(19,932)
Receipts under derivative financial instruments	31,668	15,653
Payments under derivative financial instruments	(14,266)	(3,742)
Distributions to non-controlling interests	(20,158)	(37,202)
Net proceeds from issuance of class A common stock	20	1,029,535
Dividends paid on class A common stock	(174,549)	(109,178)
Net cash (used in) provided by financing activities	(989,730)	5,173,559
Net (decrease) increase in cash and cash equivalents	(3,915)	84,338
Cash and cash equivalents at beginning of period	96,450	51,810
Effects of currency translation on cash and cash equivalents	1,526	2,452
Cash and cash equivalents at end of period	94,061	138,600
Supplemental disclosure of cash flows information
Payments of interest	(123,564)	(85,494)
Payments of income taxes	(131)	(125)
Supplemental disclosure of non-cash investing and financing activities
Dividends declared, not paid	(58,388)	(57,800)
Participations sold, net	37,559	17,836
Loan Principal payments held by servicer, net	$ 9,515	$ 232,818