Contract Liabilities (Tables)

6 Months Ended

Jun. 30, 2021

Change in Contract with Customer, Liability [Abstract]

Summary of Significant Changes In The Contract Liabilities

A summary of significant changes in the contract liabilities balance during the period is as follows:

(in thousands)	For the three months ended June 30, 2021
Balance as at March 31, 2021	$	6,264
Increases due to amounts collected		—
Revenues recognized from current period increases		(328	)
Balance as at June 30, 2021	$	5,936

(in thousands)	For the six months ended June 30, 2021
Balance as at January 1, 2021	$	5,265
Increases due to amounts collected		1,300
Revenues recognized from current period increases		(629	)
Balance as at June 30, 2021	$	5,936