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INCOME TAXES - RECONCILIATION OF CORPORATE TAX RATE (Details)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
U.S. statutory corporate rate	21.00%	21.00%
Non-taxable income and nondeductible benefits, net	0.00%	(0.30%)
State taxes	1.70%	1.40%
Estimated annual effective tax rate calculated before discrete items	22.70%	22.10%
Carryback of net operating losses to years with a higher statutory corporate rate pursuant to provisions of the CARES Act	0.00%	(98.80%)
Effective tax rate	22.70%	(76.70%)

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Effective Income Tax Rate Reconciliation, Before Discrete Items, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses.

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