INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
INCOME TAXES
US corporate income tax rate	21.00%	21.00%	35.00%
Current federal deemed repatriation		$ (477)	$ 1,102
Federal deemed repatriation liability		625
Valuation allowance related to deferred tax asset on state net operating loss carryforward		44
Accrued interest of unrecognized tax benefits			1
Penalties of unrecognized tax benefits			61
Gross decreases - tax positions in prior period			$ 1,157
Federal net operating loss carryforward	0
State net operating loss carryforward	$ 0	$ 834

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount of interest expense accrued for an underpayment of income taxes.

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