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Related Party Transactions (Details)	1 Months Ended	2 Months Ended	12 Months Ended
	Jan. 31, 2019 USD ($)	Mar. 11, 2021 USD ($)	Dec. 31, 2020 engine	Dec. 31, 2020 USD ($)	Dec. 31, 2020 noteReceivable	Dec. 31, 2020 aircraft.	Dec. 31, 2019 engine	Dec. 31, 2019 USD ($)	Dec. 31, 2019 aircraft.
Related Party and Similar Transactions
Proceeds from sale of assets								$ 2,600,000
WMES
Related Party and Similar Transactions
Number of assets sold					1				5
Proceeds from sale of assets				$ 8,400,000				76,400,000
WMES | Other Revenue
Related Party and Similar Transactions
Spare parts, managed services, and other revenues				1,600,000				2,900,000
Willis Aeronautical Services, Inc.
Related Party and Similar Transactions
Number of assets sold | engine							1
CASC Willis
Related Party and Similar Transactions
Number of assets sold			0			0	0		0
Chief Executive Officer
Related Party and Similar Transactions
Daily lease payment made to related party				500
Annual insurance premium				6,800
One-time subscriber fee				695
Aggregate lease payment made to related party				9,750
Payment received for use of vessel				4,000
Related party transaction, proceeds from sale of artwork				$ 9,100
Chief Executive Officer | Subsequent Event
Related Party and Similar Transactions
Daily lease payment made to related party		$ 750
Mikchalk Lake LLC
Related Party and Similar Transactions
Expenses paid								36,000
Sale of Vehicle | Chief Executive Officer
Related Party and Similar Transactions
Amounts related party transaction	$ 100,000
Use of Marine Vessel | Chief Executive Officer
Related Party and Similar Transactions
Amounts related party transaction								$ 200,000

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