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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Deferred tax assets: |  |  |
Allowance for credit losses | $ 11,160 | $ 13,095 |
Lease liability | 7,277 | 7,858 |
Interest income on nonperforming loans | 470 | 500 |
Compensation and benefits | 12,303 | 11,580 |
Purchase accounting adjustments | 360 | 0 |
Liabilities held at fair value | 21 | 20 |
Deferred loan fees and costs | 1,664 | 1,783 |
Other | 1,017 | 1,097 |
Total | 34,272 | 35,933 |
Deferred tax liabilities: |  |  |
Prepaid pension | 10,875 | 10,254 |
Right of use asset | 7,092 | 7,270 |
Depreciation | 3,586 | 3,735 |
Intangibles | 1,401 | 1,266 |
Purchase accounting adjustments | 0 | 5 |
Leases | 1,985 | 2,425 |
Other | 1,657 | 1,504 |
Total deferred tax liabilities | 26,596 | 26,459 |
Net deferred tax asset at year-end | 7,676 | 9,474 | $ 3,776
Net deferred tax asset at beginning of year | 9,474 | 3,776 |
(Decrease) increase in net deferred tax asset | (1,798) | 5,698 |
CECL accounting standard adoption recorded through equity | 0 | 586 |
Deferred tax expense | $ 1,798 | $ (6,284) | $ 3,073

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