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INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Allowance for credit losses and other contingent liabilities | $ 29,777 | $ 13,261
Employee benefit plans |  | 4,227
Tax effect of purchase accounting fair value adjustments |  | 287
Tax effect of other components of income on derivatives |  | 5,831
Tax effect of other components of income on securities available-for-sale | 3,608 |
Operating lease liability | 20,532 | 12,673
Other | 1,976 | 2
Total deferred tax assets | 55,893 | 36,281
Deferred tax liabilities: |  |
Tax effect of other components of income on derivatives | 1,371 |
Tax effect of other components of income on securities available-for-sale and derivatives |  | 6,161
Employee benefit plans | 2,803 |
Tax effect of purchase accounting fair value adjustments | 3,945 |
Difference in book and tax carrying value of fixed assets | 3,950 | 906
Difference in book and tax basis of unearned loan fees | 2,413 | 2,490
Operating lease asset | 19,871 | 10,774
Other | 1,141 | 685
Total deferred tax liabilities | 35,494 | 21,016
Net deferred tax asset (recorded in other assets) | $ 20,399 | $ 15,265

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