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Balance Sheet Accounts (Prepaid Expenses and Other Current Assets) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Contract asset $ 1,896 $ 1,736
Vendor deposits 2,712 2,802
Deferred costs 512 561
Prepaid insurance 1,640 2,944
Other 3,544 3,942
Total $ 10,304 $ 11,985