Contract assets and contract liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Contract assets and contract liabilities

Schedule of contract asset, net and contract liability, net balance from customers

	Contract		Contract
	Assets, Net		Liabilities, Net
Balance at December 31, 2019	$	967	$	227,889
Balance at March 31, 2020		608		237,690
Change	$	(359)	$	9,801

Schedule of remaining performance obligations included in revenue

	Three Months Ended
	March 31, 2020
Amounts included in the beginning of period contract liability balance	$	24,970
Amounts associated with performance obligations satisfied in previous periods		13