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Warehouse Facilities Collateralized by U.S. Government Sponsored Enterprises (Details) - USD ($) |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
May 05, 2026 | Jan. 30, 2026 | Dec. 01, 2025 | Mar. 31, 2026 | Dec. 31, 2025
Securities Financing Transaction |  |  |  |  |
Outstanding draws |  |  |  | $ 1,124,651,000 | $ 892,439,000
Committed Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | 1,450,000,000 |
Uncommitted Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | 1,600,000,000 |
Warehouse facility due May 5, 2026 |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Outstanding draws |  |  |  | $ 240,934,000 | 129,645,000
Basis spread on variable rate |  |  |  | 1.30% |
Warehouse facility due May 5, 2026 | Subsequent Event |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Basis spread on variable rate | 1.20% |  |  |  |
Warehouse facility due May 5, 2026 | Committed Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | $ 450,000,000 |
Warehouse facility due May 5, 2026 | Uncommitted Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | 300,000,000 |
Warehouse facility due September 25, 2026 |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Outstanding draws |  |  |  | $ 287,984,000 | 232,356,000
Basis spread on variable rate |  |  |  | 1.30% |
Warehouse facility due September 25, 2026 | Committed Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | $ 200,000,000 |
Warehouse facility due September 25, 2026 | Uncommitted Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | 200,000,000 |
Warehouse facility due October 3, 2026 |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Outstanding draws |  |  |  | $ 533,710,000 | 334,642,000
Basis spread on variable rate |  | 1.20% |  | 1.20% |
Warehouse facility due October 3, 2026 | Committed Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | $ 800,000,000 |
Warehouse line was temporarily increased |  |  | $ 400,000,000.0 |  |
Warehouse facility due October 3, 2026 | Uncommitted Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | 600,000,000 |
Fannie Mae repurchase agreement, open maturity |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Outstanding draws |  |  |  | $ 62,023,000 | $ 195,796,000
Basis spread on variable rate |  |  |  | 1.15% |
Fannie Mae repurchase agreement, open maturity | Committed Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | $ 0 |
Fannie Mae repurchase agreement, open maturity | Uncommitted Lines |  |  |  |  |
Securities Financing Transaction |  |  |  |  |
Lines available |  |  |  | $ 500,000,000 |

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- Definition The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer. + References No definition available. + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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- Definition Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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