Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income	$ 298,047	$ 297,412
Adjustments to reconcile net income to net cash provided by operating activities
Non-cash compensation expense	25,286	24,184
Amortization of deferred fees on loans and debt securities	(59,285)	(43,299)
Amortization of deferred financing costs and premiums/discounts on debt obligations	35,455	29,698
Increase (decrease) in current expected credit loss reserve	22,694	(49,432)
Unrealized gain on assets denominated in foreign currencies, net	(31)	(7,088)
Unrealized gain on derivative financial instruments, net	(3,227)	(3,298)
Realized (gain) loss on derivative financial instruments, net	(8,418)	5,483
Changes in assets and liabilities, net
Other assets	(72,769)	(12,106)
Other liabilities	28,858	13,468
Net cash provided by operating activities	266,610	255,022
Cash flows from investing activities
Principal fundings of loans receivable	(6,210,880)	(7,449,491)
Principal collections and sales proceeds from loans receivable and debt securities	2,670,902	3,423,460
Origination and exit fees received on loans receivable	67,950	79,971
Receipts under derivative financial instruments	279,343	44,428
Payments under derivative financial instruments	(7,385)	(75,458)
Collateral deposited under derivative agreements	(56,330)	(94,060)
Return of collateral deposited under derivative agreements	56,330	145,110
Net cash used in investing activities	(3,200,070)	(3,926,040)
Cash flows from financing activities
Borrowings under secured debt	4,857,829	7,701,481
Repayments under secured debt	(3,090,429)	(4,239,614)
Proceeds from issuance of securitized debt obligations	0	803,750
Repayment of securitized debt obligations	0	(888,763)
Borrowings under asset-specific debt	654,578	106,443
Repayments under asset-specific debt	(78,659)	(178,073)
Proceeds from sale of loan participations	245,278	0
Net proceeds from issuance of term loans	492,500	298,500
Repayments of term loans	(11,554)	(10,060)
Net proceeds from issuance of convertible notes	294,000	0
Repayment of convertible notes	(402,500)	0
Payment of deferred financing costs	(37,747)	(29,339)
Contributions from non-controlling interests	5,040	47,261
Distributions to non-controlling interests	(11,927)	(33,581)
Net proceeds from issuance of class A common stock	70,651	311,955
Dividends paid on class A common stock	(315,430)	(273,311)
Net cash provided by financing activities	2,671,630	3,616,649
Net decrease in cash, cash equivalents, and restricted cash	(261,830)	(54,369)
Cash, cash equivalents, and restricted cash at beginning of period	551,154	289,970
Effects of currency translation on cash, cash equivalents, and restricted cash	(17,425)	579
Cash, cash equivalents, and restricted cash at end of period	271,899	236,180
Supplemental disclosure of cash flows information
Payments of interest	(374,646)	(207,293)
(Payments) receipts of income taxes	(730)	107
Supplemental disclosure of non-cash investing and financing activities
Dividends declared, not paid	(105,956)	(97,552)
Loan principal payments held by servicer, net	$ 1,902	$ 299