Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income before noncontrolling interests	$ 171,296	$ 185,900
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	(159,970)	(209,266)
Change in the fair value of premiums and origination fees	8,586	6,909
Amortization and depreciation	177,101	148,879
Provision (benefit) for credit losses	(13,120)	(14,380)
Gain from revaluation of previously held equity-method investment	(39,641)
Originations of loans held for sale	(13,877,961)	(12,761,432)
Proceeds from transfers of loans held for sale	13,283,455	12,459,511
Other operating activities, net	(16,512)	(13,100)
Net cash provided by (used in) operating activities	(466,766)	(196,979)
Cash flows from investing activities
Capital expenditures	(19,302)	(5,507)
Purchase of equity-method investments	(25,098)	(8,029)
Purchase of pledged available-for-sale ("AFS") securities	(51,302)	(7,250)
Proceeds from prepayment and sale of pledged AFS securities	9,261	28,781
Investments in joint ventures	(5,040)	(58,065)
Distributions from joint ventures	11,926	34,012
Acquisitions, net of cash acquired	(114,163)	(62,208)
Originations of loans held for investment	(50,772)	(269,737)
Principal collected on loans held for investment upon payoff	73,500	397,328
Net cash provided by (used in) investing activities	(170,990)	49,325
Cash flows from financing activities
Borrowings (repayments) of warehouse notes payable, net	593,685	333,887
Borrowings of interim warehouse notes payable	36,459	154,661
Repayments of interim warehouse notes payable	(26,000)	(157,277)
Repayments of notes payable	(29,487)	(2,234)
Repayments of secured borrowings		(73,312)
Proceeds from issuance of common stock	263	5,256
Repurchase of common stock	(40,675)	(15,686)
Cash dividends paid	(60,025)	(48,268)
Payment of contingent consideration	(19,720)
Distributions to noncontrolling interests	(2,035)
Debt issuance costs	(2,831)	(2,762)
Net cash provided by (used in) financing activities	449,634	194,265
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents (NOTE 2)	(188,122)	46,611
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	393,180	358,002
Total of cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	205,058	404,613
Supplemental Disclosure of Cash Flow Information:
Cash paid to third parties for interest	48,590	24,906
Cash paid for income taxes	$ 56,099	$ 38,728