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INCOME TAXES - Additional information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income taxes
Statutory federal income tax rate	21.00%	21.00%	35.00%
Discrete income tax provision adjustment			$ 1,700,000
Adjusted enactment date provisional amounts of decreasing tax expense		$ 100,000
Estimated tax benefit associated with FDII	$ 168,000
Total net income tax payments	$ 7,330,000	$ 6,290,000	$ 9,733,000
Latest tax year
Income taxes
Statutory federal income tax rate	21.00%
Earliest tax year
Income taxes
Statutory federal income tax rate	35.00%
State income taxes
Income taxes
Net operating loss carry forwards	$ 11,100,000
Other State Credits
Income taxes
Net operating loss carry forwards	$ 2,300,000

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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