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Income Taxes - Significant Components of Temporary Differences (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Deferred Tax Assets: |  |
Allowance for loan losses | $ 23,383 | $ 22,083
Net unrealized holding losses on securities available-for-sale | 21,843 | 0
Lease liabilities | 10,767 | 10,876
State net operating loss carryforwards | 5,924 | 5,565
Net unrealized losses on interest rate swaps | 4,562 | 0
Cumulative adjustment to funded status of pension | 4,029 | 3,922
Low income housing partnerships | 3,098 | 3,270
Other employee benefits | 3,070 | 3,433
Other | 3,842 | 3,973
Deferred Tax Assets | 80,518 | 53,122
Less: Valuation allowance | (5,924) | (5,565)
Total Deferred Tax Assets | 74,594 | 47,557
Deferred Tax Liabilities: |  |
Right-of-use lease assets | (9,385) | (9,603)
Deferred loan income | (6,113) | (6,697)
Prepaid pension | (4,084) | (4,566)
Purchase accounting adjustments | (1,853) | (1,954)
Depreciation on premises and equipment | (629) | (1,107)
Net unrealized holding gains on securities available-for-sale | 0 | (2,004)
Other | (922) | (1,466)
Total Deferred Tax liabilities | (22,986) | (27,397)
Net Deferred Tax Asset | $ 51,608 | $ 20,160

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