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Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2019

Revenue From Contract With Customer [Abstract]

Summary of Information about Receivables, Contract Assets and Contract Liabilities from Contracts with Customers

The following table provides information about receivables, contract assets and contract liabilities from our contracts with customers (in thousands):

	June 30,			December 31,
	2019			2018
Trade receivables	$	153,638		$	160,463
Current contract assets ⁽¹⁾		7,398			6,832
Noncurrent contract assets ⁽¹⁾		2,107			2,107
Current contract liabilities (deferred revenue) ⁽¹⁾		(9,521	)		(2,803	)
Noncurrent contract liabilities (deferred revenue) ⁽¹⁾		(25,023	)		(17,723	)

⁽¹⁾

^{Contract assets and contract liabilities may reflect balances which have been netted together on a contract basis. Net current contract asset and liability balances are included in “Prepaid expenses and other current assets” and “Accrued liabilities,” respectively, and net noncurrent contract asset and liability balances are included in “Other assets” and “Other liabilities,” respectively, in our unaudited Condensed Consolidated Balance Sheets.}

Summary of Significant Changes in Contract Assets and Contract Liabilities Balances

Significant changes in the contract assets and the contract liabilities balances during the period are as follows (in thousands):

	Net Contract
	Balances
Contract assets at January 1, 2019	$	8,939
Contract liabilities at January 1, 2019		(20,526	)
Net balance at January 1, 2019		(11,587	)
Decrease due to amortization of revenue included in the beginning contract liability balance		3,681
Increase due to cash received, excluding amounts recognized as revenue during the period		(17,698	)
Increase due to revenue recognized during the period but contingent on future performance		2,535
Decrease due to transfer to receivables during the period		(926	)
Adjustments		(1,044	)
Net balance at June 30, 2019	$	(25,039	)
Contract assets at June 30, 2019	$	9,505
Contract liabilities at June 30, 2019		(34,544	)

Summary of Specified Types Revenue Expected to be Recognized in Future Related to Unsatisfied Performance Obligations

The following table reflects the specified types of revenue expected to be recognized in the future related to unsatisfied performance obligations as of June 30, 2019 (in thousands):

	For the Years Ending December 31,
	2019 ⁽¹⁾		2020		2021		2022		Total
Mobilization and contract preparation revenue	$	3,071	$	571	$	632	$	124	$	4,398
Capital modification revenue		3,364		4,937		229		—		8,530
Blended rate revenue		—		16,933		5,542		—		22,475
Total	$	6,435	$	22,441	$	6,403	$	124	$	35,403

⁽¹⁾	^{Represents the six-month period beginning July 1, 2019.}