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INCOME TAXES - Schedule of the deferred tax assets and liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred tax assets: |  |
ACL | $ 26,979 | $ 25,884
Unrealized loss on cash flow hedge | 8,365 | 273
Unrealized losses on securities available for sale | 88,666 | 9,199
Unrealized losses on securities held to maturity | 11,919 | 0
Stock-based compensation | 5,504 | 4,204
Deferred compensation | 53 | 55
Purchase accounting adjustments | 656 | 1,213
Accrued vacation | 411 | 398
Lease liabilities | 3,564 | 2,893
Employee costs | 3,298 | 2,847
Other | 376 | 390
Total deferred tax assets | 149,791 | 47,356
Deferred tax liabilities: |  |
Basis in premises and equipment | (1,541) | (1,347)
Affordable housing partnerships and other investments | (6,669) | (3,696)
Purchase accounting adjustments | (1,207) | (1,362)
Mortgage servicing assets | (2,132) | (2,853)
Basis in core deposit, customer intangible assets, and asset purchase goodwill | (6,956) | (9,485)
Deferred loan origination costs | (3,845) | (2,454)
Right of use assets | (3,518) | (2,877)
Unrealized gain on equity securities | (512) | (1,099)
Other | (586) | (560)
Total deferred tax liabilities | (26,966) | (25,733)
Net deferred tax asset | $ 122,825 | $ 21,623

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