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Income Taxes - Deferred Income Tax Assets and (Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Gross deferred tax assets: |  |
Allowance for credit losses | $ 5,589 | $ 5,849
Minimum pension liability | 955 | 991
Research and development | 2,035 | 0
Stock-based compensation | 976 | 1,097
SERP | 327 | 317
Unrealized loss on securities available-for-sale | 7,892 | 11,024
Lease liabilities | 3,402 | 3,611
Other | 828 | 364
Total gross deferred tax assets | 22,004 | 23,253
Gross deferred tax liabilities: |  |
Depreciation | (1,197) | (1,726)
Pension | (1,091) | (1,062)
Unrealized gain on securities available-for-sale | 0 | (80)
Holding gain on equity securities | (3,976) | (3,969)
Equity method investment | (2,136) | (2,220)
Goodwill | (107) | (110)
Right-of-use assets | (3,163) | (3,383)
Other | (597) | (264)
Total gross deferred tax liabilities | (12,267) | (12,814)
Net deferred tax assets | $ 9,737 | $ 10,439

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