Fair Value Measurements - Schedule of Loans HFS at Fair Value Activity and Aggregate Fair Value of HFS Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of loans held for investment	$ 1,008,168		$ 1,008,168		$ 636,352
Loans Held For Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value at beginning of period	703,378	$ 550,415	636,352	$ 407,773
Originations and purchases	1,654,313	1,397,930	2,918,045	2,680,180
Sales	(1,217,166)	(1,042,166)	(2,314,095)	(2,101,814)
Principal payments	(101,107)	(63,605)	(169,662)	(97,877)
Realized charge-offs, net of recoveries, recorded in earnings	(4,663)	(4,205)	(11,367)	(8,436)
Fair value adjustments recorded in earnings	(26,587)	(47,310)	(51,105)	(88,767)
Fair value at end of period	1,008,168	$ 791,059	1,008,168	$ 791,059
Aggregate unpaid principal balance	1,034,287		1,034,287		657,984
Cumulative fair value adjustments	(26,119)		(26,119)		(21,632)
Fair value of loans held for investment	1,008,168		1,008,168		636,352
Loans Held For Sale \| 90 or more days past due
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Aggregate unpaid principal balance	1,758		1,758		3,719
Cumulative fair value adjustments	(1,426)		(1,426)		(3,012)
Fair value of loans held for investment	$ 332		$ 332		$ 707

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Write-offs, Net of Recoveries

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Financing Receivable Aggregate Unpaid Principal Before Allowance For Credit Loss

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Financing Receivable, Cumulative Fair Value Adjustments

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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