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Income Taxes - Components of Net Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Deferred tax assets |  |
Allowance for loan losses | $ 9,738 | $ 14,540
Net unrealized losses on securities | 512 | 1,714
OREO expenses | 748 | 1,233
Non-accrual interest | 515 | 589
Net operating losses | 1,199 | 2,137
Deferred compensation | 1,181 | 1,523
Equity-based compensation | 2,748 | 5,548
Cash flow hedge | 84 | 1,413
Incentive compensation | 634 | 3,041
Net deferred loan fees | 47 | 0
Other | 2,215 | 1,972
Total deferred tax assets | 19,621 | 33,710
Deferred tax liabilities |  |
Fair value adjustments on acquisitions | (618) | (1,039)
Net deferred loan fees | 0 | (1,090)
Bank premises and equipment | (986) | (713)
Lease adjustments | (4,899) | (206)
Other | (980) | (1,173)
Total deferred tax liabilities | (7,483) | (4,221)
Net deferred tax asset | $ 12,138 | $ 29,489

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