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INCOME TAXES - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Contingency [Line Items]      
Deferred tax expense $ 564,000 $ 12,213,000 $ 31,629,000
Decrease in net deferred tax assets 8,600,000    
Decrease in deferred tax assets related to purchase accounting adjustments 17,900,000    
Decrease in deferred tax assets related to deferred tax expense 8,800,000    
Change in valuation allowance 0    
Deferred tax assets, net operating losses, federal 1,000,000.0    
Federal      
Income Tax Contingency [Line Items]      
Operating loss carryforwards $ 4,500,000