Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net income before noncontrolling interests and temporary equity holders	$ 56,985,000	$ 100,958,000	$ 103,171,000
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	(179,681,000)	(153,593,000)	(141,917,000)
Change in the fair value of premiums and origination fees (NOTE 2)	1,865,000	3,130,000	(2,460,000)
Amortization and depreciation	238,682,000	237,549,000	226,752,000
Stock compensation-equity and liability classified	26,747,000	27,326,000	27,842,000
Provision (benefit) for credit losses	9,586,000	10,839,000	(10,452,000)
Indemnified and repurchased loans expenses - loan repurchase losses (Note 5)	20,092,000
Deferred tax expense (benefit)	(5,829,000)	(2,500,000)	1,198,000
Goodwill impairment	0	33,000,000	62,000,000
Fair value adjustments to contingent consideration liabilities	(8,243,000)	(50,321,000)	(62,500,000)
Cash paid to settle risk-sharing obligations			(2,008,000)
Impairment of real estate held for investment and equity method investment	18,615,000	721,000	4,970,000
Originations of loans held for sale	(17,178,944,000)	(11,803,213,000)	(11,379,540,000)
Proceeds from transfers of loans held for sale	16,345,181,000	11,779,584,000	11,199,916,000
Other operating activities, net	7,736,000	4,901,000	776,000
Changes in:
Receivables, net	(83,479,000)	(68,802,000)	(35,309,000)
Other assets	29,203,000	(43,583,000)	(9,691,000)
Other liabilities	37,174,000	53,363,000	16,734,000
Net cash provided by (used in) operating activities	(664,310,000)	129,359,000	(518,000)
Cash flows from investing activities
Capital expenditures	(15,772,000)	(12,961,000)	(16,201,000)
Capital invested in equity-method investments	(26,547,000)	(19,406,000)	(24,679,000)
Purchases of pledged available-for-sale ("AFS") securities	(46,989,000)	(51,400,000)	(12,548,000)
Proceeds from prepayment and sale of pledged AFS securities	26,623,000	9,543,000	10,679,000
Originations and repurchase of loans held for investment	(24,381,000)	(37,928,000)
Principal collected on loans held for investment		55,701,000	160,662,000
Other investing activities, net	9,725,000	18,316,000	8,956,000
Net cash provided by (used in) investing activities	(77,341,000)	(38,135,000)	126,869,000
Cash flows from financing activities
Borrowings (repayments) of warehouse notes payable, net	824,546,000	33,705,000	189,736,000
Repayments of interim warehouse notes payable		(25,585,000)	(119,835,000)
Repayments of corporate notes payable	(331,856,000)	(8,019,000)	(122,046,000)
Borrowings of corporate notes payable	398,875,000		196,000,000
Repurchase of common stock	(10,453,000)	(12,381,000)	(20,511,000)
Cash dividends paid	(91,802,000)	(88,634,000)	(84,836,000)
Payment of contingent consideration	(12,347,000)	(34,317,000)	(26,090,000)
Purchase of noncontrolling interests		(17,709,000)
Debt issuance costs	(16,011,000)	(2,442,000)	(5,834,000)
Other financing activities, net	(2,824,000)	653,000	185,000
Net cash provided by (used in) financing activities	758,128,000	(154,729,000)	6,769,000
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents (NOTE 2)	16,477,000	(63,505,000)	133,120,000
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	327,898,000	391,403,000	258,283,000
Total of cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	344,375,000	327,898,000	391,403,000
Supplemental Disclosure of Cash Flow Information:
Cash paid to third parties for interest	107,148,000	105,412,000	114,095,000
Cash paid for income taxes, net of cash refunds received	$ 22,622,000	$ 32,340,000	$ 30,903,000