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Reinsurance - Schedule of Reinsurance Impacts on Net Premiums Written and Earned (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Ceded Credit Risk [Line Items] |  |  |
Direct premiums written | $ 1,024,361 | $ 994,323 | $ 992,418
Ceded premiums written | (82,165) | (79,868) | (12,652)
Total net premiums written | 942,196 | 914,455 | 983,791
Direct premiums earned | 1,061,420 | 1,040,406 | 1,050,029
Assumed premiums earned | 0 | 0 | 4,025
Ceded premiums earned | (110,137) | (120,828) | (72,923)
Total net premiums earned | 951,283 | 919,578 | 981,131
Ceding commissions earned | 26,099 | 21,719 | 18,998
Ceded losses | 11,153 | 773 |
Ceded losses |  |  | (41,980)
Deferred ceding commissions | 14,437 | 19,962 |
Mortgage Insurance revenues |  |  |
Ceded Credit Risk [Line Items] |  |  |
Direct premiums written | 1,011,955 | 983,858 | 967,996
Assumed premiums written | 0 | 0 | 4,025
Ceded premiums written | (81,806) | (79,618) | (12,148)
Direct premiums earned | 1,049,014 | 1,029,941 | 1,025,607
Assumed premiums earned | 0 | 0 | 4,025
Ceded premiums earned | (109,777) | (120,578) | (72,419)
Title Insurance |  |  |
Ceded Credit Risk [Line Items] |  |  |
Direct premiums written | 12,406 | 10,465 | 24,422
Ceded premiums written | (359) | (250) | (504)
Direct premiums earned | 12,406 | 10,465 | 24,422
Ceded premiums earned | $ (360) | $ (250) | $ (504)

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- Definition Amount of earned premiums assumed from other entities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 + Details
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