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Income Taxes - Differences Between Tax Basis of Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets: |  |
Allowance for credit losses | $ 78,193 | $ 76,221
Deferred compensation | 6,056 | 6,783
Stock compensation | 3,523 | 4,981
Non-accrual interest income | 1,547 | 1,798
Real estate owned | 311 | 674
Unrealized loss on investment securities, available-for-sale | 56,460 | 79,847
Loan discounts | 2,369 | 3,323
Investments | 22,699 | 26,042
Accelerated depreciation on premises and equipment | 2,089 | 664
Other | 12,683 | 14,634
Gross deferred tax assets | 185,930 | 214,967
Deferred tax liabilities: |  |
Tax basis on acquisitions | 9,963 | 7,439
Core deposit intangibles | 7,672 | 8,997
FHLB dividends | 2,054 | 1,919
Other | 10,278 | 9,915
Gross deferred tax liabilities | 29,967 | 28,270
Net deferred tax assets | $ 155,963 | $ 186,697

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