VALUATION AND QUALIFYING ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

	Balance at Beginning of Year		Additions	Deductions/ Write offs		Balance at End of Year
Year Ended December 31, 2019
Allowance for doubtful accounts for trade receivables and contract assets	$	1,557	2,072	(419	)	$	3,210
Valuation allowance on deferred tax assets	$	3,189	688	—		$	3,877
Year Ended December 31, 2018
Allowance for doubtful accounts for trade receivables and contract assets	$	1,186	2,722	(2,351	)	$	1,557
Valuation allowance on deferred tax assets	$	924	2,265	—		$	3,189
Year Ended December 31, 2017
Allowance for doubtful accounts for trade receivables and contract assets	$	2,014	998	(1,826	)	$	1,186
Valuation allowance on deferred tax assets	$	—	924	—		$	924