Commitments and Contingencies - Operating Lease Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
AviClear Revenue
Disaggregation of Revenue [Line Items]
Operating lease income	$ 15,837	$ 4,456
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Total net revenue	Total net revenue
AviClear operating lease license fee revenue
Disaggregation of Revenue [Line Items]
Operating lease income	$ 5,386	$ 922
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Total net revenue	Total net revenue
AviClear operating lease treatment revenue
Disaggregation of Revenue [Line Items]
Operating lease income	$ 10,451	$ 3,534
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Total net revenue	Total net revenue