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Other Assets and Accrued Liabilities - Long Term Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]    
Noncurrent portion of deferred lease revenue $ 19,449 $ 19,749
FCC spectrum license obligations 3,814 3,807
Noncurrent portion of financing leases 1,513 1,614
Other 860 461
Other liabilities $ 25,636 $ 25,631