Segments - Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 357,780	$ 357,305	$ 1,086,362	$ 810,715
Depreciation of rental equipment	42,612	50,153	130,900	111,176
Total cost of revenue	269,608	292,053	830,939	678,554
Gross Profit	88,172	65,252	255,423	132,161
ERS
Segment Reporting Information [Line Items]
Total revenue	149,130	132,225	459,353	315,076
Depreciation of rental equipment	41,776	49,125	128,126	108,202
Total cost of revenue	96,012	93,293	308,652	236,700
Gross Profit	53,118	38,932	150,701	78,376
TES
Segment Reporting Information [Line Items]
Total revenue	173,782	190,062	522,921	412,684
Depreciation of rental equipment	0	0	0	0
Total cost of revenue	146,573	172,445	444,798	374,180
Gross Profit	27,209	17,617	78,123	38,504
APS
Segment Reporting Information [Line Items]
Total revenue	34,868	35,018	104,088	82,955
Depreciation of rental equipment	836	1,028	2,774	2,974
Total cost of revenue	27,023	26,315	77,489	67,674
Gross Profit	7,845	8,703	26,599	15,281
Rental
Segment Reporting Information [Line Items]
Total revenue	115,010	109,108	336,210	255,936
Cost of revenue	28,207	25,932	82,791	71,873
Rental | ERS
Segment Reporting Information [Line Items]
Total revenue	112,009	105,124	325,679	244,935
Rental | TES
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Rental | APS
Segment Reporting Information [Line Items]
Total revenue	3,001	3,984	10,531	11,001
Equipment sales
Segment Reporting Information [Line Items]
Total revenue	210,903	217,163	656,595	482,825
Cost of revenue	173,588	191,991	545,461	434,995
Equipment sales | ERS
Segment Reporting Information [Line Items]
Total revenue	37,121	27,101	133,674	70,141
Cost of revenue	27,015	19,546	100,663	60,815
Equipment sales | TES
Segment Reporting Information [Line Items]
Total revenue	173,782	190,062	522,921	412,684
Cost of revenue	146,573	172,445	444,798	374,180
Equipment sales | APS
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Cost of revenue	0	0	0	0
Parts and services
Segment Reporting Information [Line Items]
Total revenue	31,867	31,034	93,557	71,954
Cost of revenue	25,201	23,977	71,787	60,510
Parts and services | ERS
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Parts and services | TES
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Parts and services | APS
Segment Reporting Information [Line Items]
Total revenue	31,867	31,034	93,557	71,954
Rentals/parts and services
Segment Reporting Information [Line Items]
Cost of revenue	53,408	49,909	154,578	132,383
Rentals/parts and services | ERS
Segment Reporting Information [Line Items]
Cost of revenue	27,221	24,622	79,863	67,683
Rentals/parts and services | TES
Segment Reporting Information [Line Items]
Cost of revenue	0	0	0	0
Rentals/parts and services | APS
Segment Reporting Information [Line Items]
Cost of revenue	$ 26,187	$ 25,287	$ 74,715	$ 64,700