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INCOME TAXES - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax assets: |  |
Allowance for loan losses | $ 3,143 | $ 2,919
Deferred compensation | 723 | 355
Retirement and salary continuation plans | 1,416 | 1,301
Share-based compensation | 742 | 597
Off-balance sheet reserves | 219 | 207
Nonaccrual loan interest | 537 | 258
Net unrealized losses on securities available for sale | 791 | 0
Purchase accounting adjustments | 1,795 | 39
Bonus accrual | 470 | 25
Low-income housing credit carryforward | 641 | 2,313
Other | 321 | 390
Total deferred tax assets | 10,798 | 8,404
Deferred tax liabilities: |  |
Depreciation | 458 | 488
Net unrealized gains on securities available for sale | 0 | 757
Mortgage servicing rights | 590 | 536
Purchase accounting adjustments | 1,021 | 251
Other | 150 | 122
Total deferred tax liabilities | 2,219 | 2,154
Net deferred tax asset, included in Other Assets | $ 8,579 | $ 6,250

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