v3.26.1
SEGMENT INFORMATION - Schedule of Revenue, Operating Income, and Assets, by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Revenues $ 1,168,179 $ 614,468 $ 1,993,854 $ 1,045,417  
Cost of revenues (878,222) (471,328) (1,509,601) (807,437)  
Gross profit 289,957 143,140 484,253 237,980  
General and administrative expense (53,130) (33,987) (100,980) (68,618)  
Intangible asset amortization (7,492) (4,536) (14,585) (9,039)  
Other operating income, net 4,942 3,785 7,298 5,677  
Operating Income (219,261) (104,564) (357,075) (160,640)  
Acquisition related costs (12,528) (2,495) (13,935) (2,674)  
Earn-out Expense (2,488) (1,343) (4,976) (2,686)  
Depreciation (17,485) (13,086) (33,426) (25,574)  
Assets 3,194,240   3,194,240   $ 2,633,831
E-Infrastructure Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 905,001 310,406      
Transportation Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 156,692 196,797      
Building Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 106,486 107,265      
Operating Segments          
Segment Reporting [Line Items]          
Revenues 1,168,179 614,468 1,993,854 1,045,417  
Cost of revenues (878,222) (471,328) (1,509,601) (807,437)  
Gross profit 289,957 143,140 484,253 237,980  
General and administrative expense (39,892) (22,792) (74,718) (44,774)  
Intangible asset amortization (7,492) (4,536) (14,585) (9,039)  
Other operating income, net 4,942 3,785 7,298 5,677  
Operating Income (247,515) (119,597) (402,248) (189,844)  
Operating Segments | E-Infrastructure Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 905,001 310,406 1,502,733 528,669  
Cost of revenues (658,943) (211,181) (1,094,015) (367,702)  
Gross profit 246,058 99,225 408,718 160,967  
General and administrative expense (30,011) (12,491) (54,226) (24,624)  
Intangible asset amortization (5,768) (2,967) (11,137) (5,934)  
Other operating income, net 570 0 1,258 0  
Operating Income (210,849) (83,767) (344,613) (130,409)  
Depreciation (12,860) (10,011) (24,708) (19,771)  
Assets 2,453,058   2,453,058   1,870,246
Operating Segments | Transportation Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 156,692 196,797 289,555 317,458  
Cost of revenues (125,810) (167,334) (238,320) (271,999)  
Gross profit 30,882 29,463 51,235 45,459  
General and administrative expense (7,078) (7,273) (14,345) (13,908)  
Intangible asset amortization 0 0 0 0  
Other operating income, net 4,372 3,785 6,040 5,677  
Operating Income (28,176) (25,975) (42,930) (37,228)  
Depreciation (3,866) (2,361) (7,253) (4,426)  
Assets 177,564   177,564   181,867
Operating Segments | Building Solutions Revenues          
Segment Reporting [Line Items]          
Revenues 106,486 107,265 201,566 199,290  
Cost of revenues (93,469) (92,813) (177,266) (167,736)  
Gross profit 13,017 14,452 24,300 31,554  
General and administrative expense (2,803) (3,028) (6,147) (6,242)  
Intangible asset amortization (1,724) (1,569) (3,448) (3,105)  
Other operating income, net 0 0 0 0  
Operating Income (8,490) (9,855) (14,705) (22,207)  
Depreciation (367) (389) (731) (735)  
Assets 238,368   238,368   240,174
Corporate          
Segment Reporting [Line Items]          
General and administrative expense (13,238) (11,195) (26,262) (23,844)  
Operating Income (13,238) (11,195) (26,262) (23,844)  
Depreciation (392) $ (325) (734) $ (642)  
Assets $ 325,250   $ 325,250   $ 341,544