Contract Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Revenue From Contract With Customer [Abstract]

Schedule of Contract Assets and Liabilities

The balance of contract assets and contract liabilities consisted of the following (in thousands):

	June 30, 2019		December 31, 2018
Contract assets
Current	$	892	$	1,145
Non-Current		—		188
	$	892	$	1,333
Contract Liabilities
Current	$	6,379	$	5,963
Non-current		576		1,401
	$	6,955	$	7,364

	June 30, 2019
Estimate of when contract liabilities will be recognized as revenue
within 12 months	$	6,379
within 12 to 24 months		576
greater than 24 months		—