Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of cash, cash equivalents and restricted cash

The following table provides a reconciliation of cash and cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same amounts shown in the consolidated statements of cash flows:

(in thousands)	December 31, 2021		December 31, 2020
Cash and cash equivalents	$	32,756	$	48,767
Restricted cash	6,251		6,842
Total cash and cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$	39,007	$	55,609

Schedule of balances of contract receivables and liabilities

The opening and closing balances of the Company’s contract receivables and liabilities are as follows:

(in thousands)	Net Receivables		Contract Liabilities, Current		Contract Liabilities, Long-Term
Opening January 1, 2020	$	16,944	$	14	$	15
Closing, December 31, 2020	17,618		14		3
Increase (decrease)	674		—		(12)
Opening January 1, 2021	$	17,618	$	14	$	3
Closing, December 31, 2021	18,158		14		—
Increase (decrease)	540		—		(3)