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Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 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 consolidated balance sheet that sum to the total of the same amounts shown in the statement of cash flows:
March 31,
2021		December 31,
2020
Cash and cash equivalents$39,843 $48,767 
Restricted cash6,333 6,842 
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows$46,176 $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
Net ReceivablesContract Liabilities, CurrentContract Liabilities, Long-Term
Opening, January 1, 2020$16,944 $14 $15 
Closing, March 31, 202013,020 14 12 
Increase (decrease)(3,924)— (3)
Opening, January 1, 2021$17,618 $14 $3 
Closing, March 31, 202119,825 14 2 
Increase (decrease)2,207 — (1)