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Income Taxes - Significant Components of The Company's Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets |  |
Allowance for credit losses | $ 53,963 | $ 53,432
Loans | 1,437 | 1,631
Deferred compensation | 12,192 | 15,310
Net unrealized losses on securities | 52,103 | 51,211
Impairment of assets | 284 | 138
Tax credits | 4,711 | 4,035
Net operating loss carryforwards | 4 | 33
Investment in partnerships | 1,637 | 1,491
Lease liabilities under operating leases | 12,974 | 13,066
Realized losses on securities | 48 | 4,892
Other | 2,748 | 2,660
Total deferred tax assets | 142,101 | 147,899
Deferred tax liabilities |  |
Fixed assets | 11,022 | 11,023
Mortgage servicing rights | 16,367 | 21,282
Junior subordinated debt | 1,647 | 1,708
Intangibles | 2,371 | 2,447
Lease right-of-use asset | 12,322 | 12,399
Other | 3,490 | 3,344
Total deferred tax liabilities | 47,219 | 52,203
Net deferred tax assets | $ 94,882 | $ 95,696

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