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Commitments and Contingencies - Restricted cash, Litigation, Concentrations of Credit Risk (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024 USD ($) customer	Sep. 30, 2023 USD ($) customer	Sep. 30, 2024 USD ($) customer	Sep. 30, 2023 USD ($) customer	Dec. 31, 2023 USD ($) customer
Customer Concentration
Escrow Deposit	$ 80,000		$ 80,000		$ 76,800
Security deposit	307,900		307,900		370,700
Accrual related to legal matters	600		600
Federal depository insurance coverage	250		250
Revenue	173,730	$ 198,711	437,344	$ 669,179
Sale/Leaseback Financings
Customer Concentration
Restricted cash	507,800		507,800		573,500
Security deposit	276,500		276,500		340,000
Customs Related Transactions [Member]
Customer Concentration
Security deposit	31,400		31,400		30,700
Collateral Related to Acquisitions \| Joule Processing LLC
Customer Concentration
Restricted cash	100		100
Collateral Related to Acquisitions \| Cyrogenic Industrial Solutions, LLC, Alloy Custom Products, LLC and WesMor Cryogenics, LLC [Member]
Customer Concentration
Restricted cash	1,200		1,200
Collateral Related to Acquisitions \| Frames Holding B.V.
Customer Concentration
Restricted cash	$ 9,300		$ 9,300		$ 11,700
Accounts receivable \| Customer concentration
Customer Concentration
Number of customers \| customer	1		1		1
Accounts receivable \| Customer concentration \| One customer
Customer Concentration
Revenue			$ 34,100		$ 52,400
Concentration risk (as a percent)			20.40%		21.50%
Revenues \| Customer concentration
Customer Concentration
Number of customers \| customer	2	3	2	3
Revenues \| Customer concentration \| One customer
Customer Concentration
Number of customers \| customer	1	1	1	1
Revenue	$ 29,000	$ 35,100	$ 81,200	$ 169,000
Concentration risk (as a percent)	16.70%	17.70%	18.60%	25.20%
Revenues \| Customer concentration \| Two customers
Customer Concentration
Number of customers \| customer	1	1	1	1
Revenue	$ 24,600	$ 30,700	$ 77,700	$ 72,300
Concentration risk (as a percent)	14.20%	15.40%	17.80%	10.80%
Revenues \| Customer concentration \| Three customers
Customer Concentration
Number of customers \| customer		1		1
Revenue		$ 22,200		$ 70,600
Concentration risk (as a percent)		11.20%		10.60%