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Fair Value - Undesignated Derivative Instruments (Detail) - Mortgage Banking - Level 2 - Fair Value, Recurring - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Other Assets | Rate Lock Commitments |  |
Derivatives, Fair Value [Line Items] |  |
Gross assets | $ 46,992 | $ 32,246
Gross liabilities | 3,499 | 20,946
Net rate lock commitments and forward sales contracts | 43,493 | 11,300
Accrued Liabilities | Forward Sales Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Gross assets | 912 | 4,843
Gross liabilities | 15,087 | 20,903
Net rate lock commitments and forward sales contracts | $ (14,175) | $ (16,060)

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