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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]  
Schedule of Cash and Cash Equivalents
The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheets that sum to the total of the same amounts shown in the condensed consolidated statement of cash flows:
(In thousands)September 30,
2021
December 31,
2020
Cash and cash equivalents$46,730 $48,767 
Restricted cash6,333 6,842 
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows$53,063 $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:
Contract Balances
(In thousands)Net ReceivablesContract Liabilities, CurrentContract Liabilities, Long-Term
Opening, January 1, 2020$16,944 $14 $15 
Closing, September 30, 202018,758 14 
Increase (decrease)1,814 — (9)
Opening, January 1, 2021$17,618 $14 $
Closing, September 30, 202118,567 14 — 
Increase (decrease)949 — (3)