Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income before noncontrolling interests	$ 52,991	$ 124,637
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Gains attributable to the fair value of future servicing rights, net of guaranty obligation	(72,071)	(104,679)
Change in the fair value of premiums and origination fees	1,812	7,852
Amortization and depreciation	113,258	117,255
Provision (benefit) for credit losses	(11,509)	(14,338)
Gain from revaluation of previously held equity-method investment		(39,641)
Originations of loans held for sale	(5,406,027)	(8,805,659)
Proceeds from transfers of loans held for sale	4,504,278	9,637,859
Other operating activities, net	(63,763)	(69,417)
Net cash provided by (used in) operating activities	(881,031)	853,869
Cash flows from investing activities
Capital expenditures	(9,501)	(11,902)
Purchases of equity-method investments	(15,231)	(12,029)
Purchases of pledged available-for-sale ("AFS") securities		(46,395)
Proceeds from prepayment and sale of pledged AFS securities	4,807	6,101
Investments in joint ventures		(5,040)
Distributions from joint ventures	1,524	11,359
Originations of loans held for investment	(243)	(49,057)
Principal collected on loans held for investment	129,260	71,500
Acquisitions, net of cash acquired		(78,465)
Net cash provided by (used in) investing activities	110,616	(113,928)
Cash flows from financing activities
Borrowings (repayments) of warehouse notes payable, net	902,144	(826,454)
Borrowings of interim warehouse notes payable		36,459
Repayments of interim warehouse notes payable	(91,586)	(26,000)
Repayments of notes payable	(118,046)	(21,244)
Borrowings of notes payable	196,000
Proceeds from issuance of common stock	449	263
Repurchase of common stock	(18,057)	(39,380)
Cash dividends paid	(42,401)	(40,143)
Payment of contingent consideration	(25,690)	(17,612)
Distributions to noncontrolling interest holders	(2,335)	(1,675)
Debt issuance costs	(4,454)	(1,573)
Net cash provided by (used in) financing activities	796,024	(937,359)
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents (NOTE 2)	25,609	(197,418)
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	258,283	393,180
Total of cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	283,892	195,762
Supplemental Disclosure of Cash Flow Information:
Cash paid to third parties for interest	52,147	28,023
Cash paid for income taxes	$ 20,807	$ 45,300