Related Party Transactions - Narrative (Details) - USD ($)				1 Months Ended	3 Months Ended					12 Months Ended	41 Months Ended
	Sep. 23, 2021	Jun. 14, 2021	Oct. 30, 2019	Dec. 31, 2020	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Jan. 18, 2021
Related Party Transaction [Line Items]
Percentage of shares held by manager					16.82%						16.82%
Base management fees to be settled					$ 800,000	$ 1,056,000	$ 7,698,000	$ 7,551,000	$ 5,552,000
Performance fees					0	$ 0	$ 0	$ 0	0
Percentage of cap on base management fee											1.00%
Disposition agreement, qualifying termination event, minimum due upon sale or sales of businesses			$ 50,000,000
Disposition agreement, qualifying termination event, percentage applied above threshold			1.50%
Disposition agreement, qualifying termination event, threshold, net proceeds			$ 500,000,000
Disposition agreement, potential extension period for additional payment subject to qualifying termination event occurring on or prior to January 1, 2022			6 months
Disposition agreement, qualifying termination event, additional payment			$ 25,000,000
Disposition agreement, minimum management fee for years one and two			$ 20,000,000
Disposition agreement, minimum management fee for years one and two			2 years
Disposition agreement, minimum management fee for years three and thereafter			$ 10,000,000
Recapture amount of previously waived management fees			$ 8,500,000
Disposition agreement, maximum period without qualifying termination event			sixth anniversary
Disposition payment					$ 0				19,000
Revolving Credit Facility
Related Party Transaction [Line Items]
Borrowing capacity												$ 600,000,000
Management
Related Party Transaction [Line Items]
Number of shares held by manager					14,937,119	14,719,423					14,937,119
Base management fees to be settled					$ 800,000				5,600,000
Notice period (not less than)											1 year
Reimbursement of out-of-pocket expenses					1,000				0
Legal fees					$ 30,000
Legal fee credit										$ 30,000
Macquarie Capital Funding LLC | Revolving Credit Facility
Related Party Transaction [Line Items]
Borrowing capacity												$ 40,000,000
Interest costs incurred									$ 8,000
Minimum
Related Party Transaction [Line Items]
Disposition agreement, percentage of net proceeds due upon sale or sales of businesses			2.90%
Maximum
Related Party Transaction [Line Items]
Disposition agreement, percentage of net proceeds due upon sale or sales of businesses			6.10%
Discontinued Operations, Disposed of by Sale | IMTT
Related Party Transaction [Line Items]
Disposition payment				$ 28,200,000
Discontinued Operations, Disposed of by Sale | Atlantic Aviation Business
Related Party Transaction [Line Items]
Disposition payment	$ 228,600,000
Disposal Group, Held-for-sale, Not Discontinued Operations | MIC Hawaii Holdings, LLC | Completion Date After July 1, 2022
Related Party Transaction [Line Items]
Disposition payment		$ 56,700,000
Disposal Group, Held-for-sale, Not Discontinued Operations | MIC Hawaii Holdings, LLC | Completion Date July 1, 2022 Or Earlier
Related Party Transaction [Line Items]
Disposition payment		81,700,000
Additional disposition payment		$ 25,000,000