Business Combinations - Acquisition of Custom Truck One Source L.P (Details) - USD ($)			3 Months Ended	9 Months Ended
	Apr. 01, 2021	Dec. 03, 2020	Jun. 30, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Shares issued in business combination			$ 1,064,549,000
Common stock trading price (in dollars per share)		$ 5.00
Private Placement
Business Acquisition [Line Items]
Consideration received on sale of stock		$ 140,000,000
Price per share (in dollars per share)		$ 5.00
Shares purchased (in shares)	28,000,000	28,000,000
Rollover Agreement
Business Acquisition [Line Items]
Shares purchased (in shares)	20,100,000
Subscription
Business Acquisition [Line Items]
Shares purchased (in shares)	148,600,000
Custom Truck
Business Acquisition [Line Items]
Percentage of voting rights acquired		100.00%
Shares issued in business combination		$ 100,500,000
Common stock issued (in shares)	20,100,000
Common stock share price (in dollars per share)	$ 9.35
Cash considerations paid	$ 790,324,000			$ 3,400,000
PE One Source
Business Acquisition [Line Items]
Price per share (in dollars per share)		$ 5.00
PE One Source | Minimum
Business Acquisition [Line Items]
Consideration received on sale of stock		$ 700,000,000
PE One Source | Maximum
Business Acquisition [Line Items]
Consideration received on sale of stock		$ 763,000,000