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Income Taxes - Company's Net Deferred Tax Asset Recorded in Other Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Deferred tax assets: |  |
Allowance for losses and reserve for unfunded commitments | $ 32,519 | $ 26,361
Deferred compensation | 1,696 | 1,758
Other accrued expenses | 2,720 | 1,994
Additional unfunded status of the supplemental retirement plans | 16,036 | 13,693
Operating lease liability | 8,575 | 7,769
State taxes | 3,649 | 3,251
Share based compensation | 1,132 | 952
Nonaccrual interest | 643 | 937
Acquisition cost basis | 14,640 | 506
Unrealized loss on securities | 85,897 | 116
Tax credits | 852 | 513
Net operating loss carryforwards | 2,098 | 1,131
Other | 120 | 813
Total deferred tax assets | 170,577 | 59,794
Deferred tax liabilities: |  |
Securities income | (777) | (762)
Depreciation | (8,270) | (6,198)
Right of use asset | (7,941) | (7,588)
Funded pension liability | (4,110) | (709)
Securities accretion | (1,265) | (846)
Mortgage servicing rights valuation | (1,976) | (1,726)
Core deposit intangible | (4,778) | (3,248)
Junior subordinated debt | (1,293) | (1,422)
Prepaid expenses and other | (991) | (488)
Total deferred tax liability | (31,401) | (22,987)
Net deferred tax asset | $ 139,176 | $ 36,807

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