Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Contract Assets and Contract Liabilities

The changes in our contract assets are as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Beginning of period balance	$	4,718	$	3,849	$	4,578	$	2,881
Commission costs and upfront payments to a customer capitalized in period	607		333		2,429		2,438
Amortization of contract assets	(1,046)		(613)		(2,728)		(1,750)
End of period balance	$	4,279	$	3,569	$	4,279	$	3,569

The changes in our contract liabilities are as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Beginning of period balance	$	11,537	$	10,980	$	10,498	$	11,176
Revenue deferred in period	3,425		542		9,118		3,013
Revenue recognized from amounts included in contract liabilities	(2,090)		(1,499)		(6,744)		(4,166)
End of period balance	$	12,872	$	10,023	$	12,872	$	10,023