Segments - Schedule of Company’s Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting Information [Line Items]
Revenues	$ 563,446	$ 511,483	$ 1,025,068	$ 933,715
Segment Adjusted EBITDA	154,416	116,887	292,619	216,044
Rental
Segment Reporting Information [Line Items]
Revenues	145,060	120,814	282,275	237,075
Equipment sales
Segment Reporting Information [Line Items]
Revenues	383,559	356,112	676,193	629,975
Parts sales and services
Segment Reporting Information [Line Items]
Revenues	34,827	34,557	66,600	66,665
SER
Segment Reporting Information [Line Items]
Revenues	218,819	182,828	412,582	349,909
Total Segment Revenue	221,004	202,091	425,836	383,874
Total cost of segment revenue	89,458	93,076	174,932	174,516
Selling, general and administrative expenses	14,347	16,180	28,208	30,474
Total Segment Expenses	103,805	109,256	203,140	204,990
Segment Adjusted EBITDA	117,199	92,835	222,696	178,884
SER \| Floor Plan Financing Arrangements
Segment Reporting Information [Line Items]
Floorplan interest expense	0	0	0	0
SER \| Intersegment Transactions
Segment Reporting Information [Line Items]
Revenues, other segment items	4,113	15,726	10,903	27,326
Cost of goods and service, other segment items	3,728	15,726	9,838	27,326
SER \| Rental AR Provision
Segment Reporting Information [Line Items]
Revenues, other segment items	2,390	2,358	4,566	4,203
Cost of goods and service, other segment items	2,390	2,358	4,566	4,203
SER \| Sales-Type Lease Adjustment
Segment Reporting Information [Line Items]
Revenues, other segment items	(4,318)	1,179	(2,215)	2,436
SER \| Rental
Segment Reporting Information [Line Items]
Revenues	145,060	120,814	282,275	237,075
Cost of goods and services, excluding depreciation	34,542	30,040	65,290	60,132
SER \| Equipment sales
Segment Reporting Information [Line Items]
Revenues	51,659	39,661	89,436	69,516
Cost of equipment sales, net of purchase accounting, sales-type leases and depreciation	30,884	25,959	59,356	43,885
SER \| Parts sales and services
Segment Reporting Information [Line Items]
Revenues	22,100	22,353	40,871	43,318
Cost of goods and services, excluding depreciation	17,914	18,993	35,882	38,970
STEM
Segment Reporting Information [Line Items]
Revenues	344,627	328,655	612,486	583,806
Total Segment Revenue	437,780	426,254	801,089	776,194
Total cost of segment revenue	369,382	371,775	671,886	679,457
Selling, general and administrative expenses	20,042	16,663	37,622	32,516
Total Segment Expenses	400,563	402,202	731,166	739,034
Segment Adjusted EBITDA	37,217	24,052	69,923	37,160
STEM \| Floor Plan Financing Arrangements
Segment Reporting Information [Line Items]
Floorplan interest expense	11,139	13,764	21,658	27,061
STEM \| Intersegment Transactions
Segment Reporting Information [Line Items]
Revenues, other segment items	93,153	97,599	188,603	192,388
Cost of goods and service, other segment items	78,596	97,599	158,781	192,388
STEM \| Rental AR Provision
Segment Reporting Information [Line Items]
Revenues, other segment items	0	0	0	0
Cost of goods and service, other segment items	0	0	0	0
STEM \| Sales-Type Lease Adjustment
Segment Reporting Information [Line Items]
Revenues, other segment items	0	0	0	0
STEM \| Rental
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Cost of goods and services, excluding depreciation	0	0	0	0
STEM \| Equipment sales
Segment Reporting Information [Line Items]
Revenues	331,900	316,451	586,757	560,459
Cost of equipment sales, net of purchase accounting, sales-type leases and depreciation	281,235	265,542	494,460	470,991
STEM \| Parts sales and services
Segment Reporting Information [Line Items]
Revenues	12,727	12,204	25,729	23,347
Cost of goods and services, excluding depreciation	$ 9,551	$ 8,634	$ 18,645	$ 16,078