REVENUE RECOGNITION (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Changes in Contract Asset and Liability Balances

Summary of changes in contract liabilities for the three months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended March 31,
	2021		2020
Contract liabilities
Contract liabilities, beginning	$	1,783	$	1,731
Recognition of revenue included in beginning of year contract liabilities	$	(592)	$	(537)
Contract liabilities, net of revenue recognized on contracts during the period	$	104	$	275
Contract liabilities, ending	$	1,295	$	1,469