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Leases - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
Leases - Narrative (Details) $ in Thousands	Mar. 31, 2021 satellite_hub	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2018 hub
Lessee, Lease, Description [Line Items]
Lease expense		$ 3,963	$ 3,413
Short-term operating lease costs		237	244
Sublease Income		134
Finance lease term				5 years
Number of satellite hubs leased \| hub				3
Number of satellite hubs disposed \| satellite_hub	2
Property and equipment, gross		124,374	114,265
Capital assets, depreciation expense		181
Net investment in lease, current		3,881
Net investment in lease, noncurrent		6,777
Interest income		$ 882	859
Lease term		3 years
Operating lease asset		$ 1,444
Lease, accumulated depreciation		154
Operating lease depreciation		$ 154
Useful life		5 years
Lease revenue		$ 243
Minimum
Lessee, Lease, Description [Line Items]
Sales-type leases, term of contracts		3 years
Maximum
Lessee, Lease, Description [Line Items]
Sales-type leases, term of contracts		5 years
Assets held under capital leases
Lessee, Lease, Description [Line Items]
Leased assets, useful life		7 years
Assets Held Under Finance Leases
Lessee, Lease, Description [Line Items]
Property and equipment, gross		$ 1,268	$ 710