Debt - Components of interest expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Interest income on Notes Due from Affiliates (Note 10)		$ (4,663)	$ (7,953)
Interest expense incurred on Notes Due to Affiliates (Note 12)	$ 1,955	23,969	160
Interest expense incurred on ABL facilities and Notes	28,608	2,400	2,686
Amortization of deferred financing costs	3,204	608
Amortization of original issue discount	425
Interest capitalized	(791)	0	0
Interest expense (income), net	33,401	24,198	$ (5,107)
New ABL Facility
Debt Instrument [Line Items]
Amortization of deferred financing costs	688
Algeco ABL facility
Debt Instrument [Line Items]
Amortization of deferred financing costs	464	$ 2,492
Senior Secured Notes 2024
Debt Instrument [Line Items]
Amortization of deferred financing costs	2,052
Amortization of original issue discount	$ 425