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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract] |  |  |
Tax at statutory rate, Amount | $ 27,478 | $ 27,882 | $ 36,304
Income Tax Reconciliation, Bank Owned Life Insurance Income | (1,260) | (1,404) | (1,995)
Tax-exempt interest income, net, Amount | (1,298) | (1,473) | (2,709)
Tax credits, Amount | (7) | (5) | (11)
Other, Amount | 374 | 400 | 99
Total tax provision (benefit), Amount | $ 25,516 | $ 25,274 | $ 48,561
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |  |
Tax at statutory rate, Pretax Income | 21.00% | 21.00% | 35.00%
Income from bank owned life insurance, Pretax Income | (1.00%) | (1.00%) | (2.00%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | $ 229 | $ 220 | $ 164
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent | 0.00% | 0.00% | 0.00%
Tax-exempt interest income, net, Pretax Income | (1.00%) | (1.00%) | (3.00%)
Tax credits, Pretax Income | 0.00% | 0.00% | 0.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount | $ 0 | $ 346 | $ (16,709)
Effective Income Tax Rate Reconciliation, Deduction, Percent | 0.00% | 0.00% | (17.00%)
Other, Pretax Income | 0.00% | 0.00% | 0.00%
Total tax provision (benefit), Pretax Income | 19.00% | 19.00% | 47.00%

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