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Income Taxes - Differences Between Tax Basis of Assets and Liabilities (Detail) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Allowance for credit losses | $ 82,359 | $ 81,251
Deferred compensation | 6,034 | 7,619
Stock compensation | 5,258 | 6,803
Non-accrual interest income | 1,627 | 1,463
Real estate owned | 70 | 79
Unrealized loss on investment securities, available-for-sale | 83,938 | 81,493
Loan discounts | 4,117 | 5,119
Investments | 23,925 | 25,789
Other | 19,431 | 14,691
Gross deferred tax assets | 226,759 | 224,307
Deferred tax liabilities: |  |
Accelerated depreciation on premises and equipment | 288 | 1,477
Tax basis on acquisitions | 5,814 | 4,061
Core deposit intangibles | 10,073 | 11,021
FHLB dividends | 2,677 | 2,351
Other | 12,866 | 8,233
Gross deferred tax liabilities | 31,718 | 27,143
Net deferred tax assets | $ 195,041 | $ 197,164

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