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Loans Receivable - Loans Receivable (Parenthetical) (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans receivable | $ 6,251,377 | $ 6,182,434
Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans receivable | 4,900,924 | 4,852,400
Real Estate | Home Equity Loans and Lines - Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans receivable | 1,300 | 1,900
Real Estate | Personal Loans - Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total gross loans receivable | $ 4,100 | $ 4,500

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