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Income Taxes - Differences Between Tax Basis of Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Allowance for credit losses | $ 81,251 | $ 80,232
Deferred compensation | 7,619 | 7,817
Stock compensation | 6,803 | 6,180
Non-accrual interest income | 1,463 | 1,518
Real estate owned | 79 | 103
Unrealized loss on Securities AFS | 82,613 | 98,587
Loan discounts | 5,119 | 7,007
Tax basis on acquisitions | 0 | 1,222
Investments | 24,669 | 28,523
Other | 14,691 | 8,007
Gross deferred tax assets | 224,307 | 239,196
Deferred tax liabilities: |  |
Accelerated depreciation on premises and equipment | 1,477 | 4,252
Tax basis on acquisitions | 4,061 | 0
Core deposit intangibles | 11,021 | 14,755
FHLB dividends | 2,351 | 2,681
Other | 8,233 | 8,187
Gross deferred tax liabilities | 27,143 | 29,875
Net deferred tax assets | $ 197,164 | $ 209,321

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