Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net income	$ 51,405	$ 57,199
Adjustments to reconcile net income to net cash provided by operating activities
Non-cash compensation expense	5,907	4,852
Amortization of deferred fees on loans	(8,808)	(8,954)
Amortization of deferred financing costs and premiums/ discount on debt obligations	4,535	4,053
Income from equity investment in unconsolidated subsidiary		(138)
Distributions of income from unconsolidated subsidiary		6,837
Gain on investments at fair value		(66)
Changes in assets and liabilities, net
Other assets	1,699	4,254
Other liabilities	2,636	(2,256)
Net cash provided by operating activities	57,374	65,781
Cash flows from investing activities
Origination and fundings of loans receivable	(702,353)	(586,066)
Principal collections and sales proceeds from loans receivable and other assets	567,321	420,513
Origination and exit fees received on loans receivable	12,429	10,424
Receipts under derivative financial instruments	1,903
Payments under derivative financial instruments	(3,752)
Change in restricted cash		9,122
Net cash used in investing activities	(124,452)	(146,007)
Cash flows from financing activities
Borrowings under secured debt agreements	789,865	629,897
Repayments under secured debt agreements	(672,161)	(466,536)
Repayment of loan participations		(9,600)
Payment of deferred financing costs	(3,895)	(5,260)
Receipts under derivative financial instruments		11,478
Payments under derivative financial instruments		(3,260)
Distributions to non-controlling interests		(6,879)
Net proceeds from issuance of class A common stock	8	6
Dividends paid on class A common stock	(58,615)	(58,097)
Net cash provided by financing activities	55,202	91,749
Net (decrease) increase in cash and cash equivalents	(11,876)	11,523
Cash and cash equivalents at beginning of period	75,567	96,450
Effects of currency translation on cash and cash equivalents	584	2,649
Cash and cash equivalents at end of period	64,275	110,622
Supplemental disclosure of cash flows information
Payments of interest	(39,287)	(38,121)
Payments of income taxes	(50)	(151)
Supplemental disclosure of non-cash investing and financing activities
Dividends declared, not paid	(58,787)	(58,226)
Participations sold, net		(9,600)
Loan principal payments held by servicer, net	$ 42,715	$ 75,378