Revenue (Tables)

6 Months Ended

Jun. 30, 2019

Revenue From Contract With Customer [Abstract]

Summary of Company's Customer Receivables and Current and Long-term Contract Liabilities

The Company’s customer receivables and current and long-term contract liabilities balances as of June 30, 2019 and December 31, 2018 are as follows (in thousands):

	June 30, 2019		December 31, 2018
Customer receivables	$	115,396	$	97,566
Contract liabilities—current		6,189		5,810
Contract liabilities—noncurrent		10,464		8,354