Segments - Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Rental revenue	$ 362,106	$ 375,111	$ 728,582	$ 453,410
Depreciation of rental equipment	43,324	43,179	88,288	61,023
Total cost of revenue	279,348	328,421	561,331	386,501
Gross Profit	82,758	46,690	167,251	66,909
ERS
Segment Reporting Information [Line Items]
Rental revenue	145,309	127,636	310,223	182,851
Depreciation of rental equipment	42,384	42,192	86,350	59,077
Total cost of revenue	100,653	104,245	212,640	143,407
Gross Profit	44,656	23,391	97,583	39,444
TES
Segment Reporting Information [Line Items]
Rental revenue	181,306	215,120	349,139	222,622
Depreciation of rental equipment	0	0	0	0
Total cost of revenue	154,177	194,810	298,225	201,735
Gross Profit	27,129	20,310	50,914	20,887
APS
Segment Reporting Information [Line Items]
Rental revenue	35,491	32,355	69,220	47,937
Depreciation of rental equipment	940	987	1,938	1,946
Total cost of revenue	24,518	29,366	50,466	41,359
Gross Profit	10,973	2,989	18,754	6,578
Rental
Segment Reporting Information [Line Items]
Rental revenue	112,055	98,539	221,200	146,828
Cost of rental revenue	28,791	29,013	54,584	45,941
Rental | ERS
Segment Reporting Information [Line Items]
Rental revenue	108,109	95,081	213,670	139,811
Rental | TES
Segment Reporting Information [Line Items]
Rental revenue	0	0	0	0
Rental | APS
Segment Reporting Information [Line Items]
Rental revenue	3,946	3,458	7,530	7,017
Equipment sales
Segment Reporting Information [Line Items]
Rental revenue	218,506	247,675	445,692	265,662
Cost of rental revenue	184,595	229,339	371,873	243,004
Equipment sales | ERS
Segment Reporting Information [Line Items]
Rental revenue	37,200	32,555	96,553	43,040
Cost of rental revenue	30,418	34,529	73,648	41,269
Equipment sales | TES
Segment Reporting Information [Line Items]
Rental revenue	181,306	215,120	349,139	222,622
Cost of rental revenue	154,177	194,810	298,225	201,735
Equipment sales | APS
Segment Reporting Information [Line Items]
Rental revenue	0	0	0	0
Cost of rental revenue	0	0	0	0
Parts and services
Segment Reporting Information [Line Items]
Rental revenue	31,545	28,897	61,690	40,920
Cost of rental revenue	22,638	26,890	46,586	36,533
Parts and services | ERS
Segment Reporting Information [Line Items]
Rental revenue	0	0	0	0
Parts and services | TES
Segment Reporting Information [Line Items]
Rental revenue	0	0	0	0
Parts and services | APS
Segment Reporting Information [Line Items]
Rental revenue	31,545	28,897	61,690	40,920
Rentals/parts and services
Segment Reporting Information [Line Items]
Cost of rental revenue	51,429	55,903	101,170	82,474
Rentals/parts and services | ERS
Segment Reporting Information [Line Items]
Cost of rental revenue	27,851	27,524	52,642	43,061
Rentals/parts and services | TES
Segment Reporting Information [Line Items]
Cost of rental revenue	0	0	0	0
Rentals/parts and services | APS
Segment Reporting Information [Line Items]
Cost of rental revenue	$ 23,578	$ 28,379	$ 48,528	$ 39,413