INCOME TAXES - RECONCILIATION OF CORPORATE TAX RATE (Details)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
U.S. statutory corporate rate	21.00%	21.00%
Non-taxable income and nondeductible benefits, net	(0.50%)	(1.50%)
State taxes	1.80%	1.70%
Estimated annual effective tax rate calculated before discrete items	22.30%	21.20%
Carryback of net operating losses to years with a higher statutory corporate rate pursuant to provisions of the CARES Act (as defined below)	(16.90%)	0.00%
Effective tax rate	5.40%	21.20%