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Financial Instruments with Off-Balance Sheet Risk and Concentration of Risk (Details) - Geographic Concentration Risk - Title Insurance Premiums	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Texas
Concentration Risk [Line Items]
Concentration risk percentage	13.80%	14.30%	15.00%
California
Concentration Risk [Line Items]
Concentration risk percentage	12.90%	13.00%	12.00%
Florida
Concentration Risk [Line Items]
Concentration risk percentage	10.20%	10.70%	10.60%
Illinois
Concentration Risk [Line Items]
Concentration risk percentage	5.80%	6.00%	5.30%
Pennsylvania
Concentration Risk [Line Items]
Concentration risk percentage	5.20%	4.90%	5.20%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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