v3.25.2
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Revenues from external customers $ 734,075 $ 742,718 $ 1,427,445 $ 1,492,255
Total revenues 753,148 760,798 1,465,262 1,529,878
Less operating expenses:        
Salaries, wages and benefits 250,451 259,754 493,676 525,157
Fuel 60,401 71,998 123,493 149,620
Supplies and maintenance 62,260 61,988 122,300 123,763
Taxes and licenses 23,100 25,494 45,444 50,658
Insurance and claims (6,813) 31,897 36,964 68,259
Depreciation and amortization 70,757 72,672 140,806 146,942
Rent and purchased transportation 228,280 210,417 434,422 414,342
Communications and utilities 3,730 4,127 8,087 8,833
Gains on sales of property and equipment     (8,769) (6,244)
Other segment items (5,339) 2,840 (419) 7,105
Total operating expenses 686,827 741,187 1,404,773 1,494,679
Operating income 66,321 19,611 60,489 35,199
Change in fair value     (7,815) 0
Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Revenues from external customers (4,749) (3,263) (8,812) (7,334)
Total revenues (4,749) (3,263) (8,812) (7,334)
Reportable segment revenues        
Segment Reporting Information [Line Items]        
Revenues from external customers 738,824 745,981 1,436,257 1,499,589
Less operating expenses:        
Salaries, wages and benefits 243,167 252,126 479,126 509,967
Fuel 60,069 71,634 122,862 148,946
Supplies and maintenance 56,626 55,643 110,637 111,657
Taxes and licenses 22,906 25,327 45,086 50,343
Insurance and claims (7,049)      
Insurance and claims   31,901 36,647 68,164
Depreciation and amortization 69,075 69,317 135,813 139,917
Rent and purchased transportation 230,403 212,602 438,075 419,263
Communications and utilities 3,335 3,732 7,300 8,133
Gains on sales of property and equipment (6,219) (1,731) (9,806) (6,415)
Other segment items (1,906) 3,882 3,491 9,555
Total operating expenses 670,407 724,433 1,369,231 1,459,530
Operating income 68,417 21,548 67,026 40,059
Corporate and Other        
Segment Reporting Information [Line Items]        
Total revenues 19,073 18,080 37,817 37,623
Other operating segments        
Less operating expenses:        
Operating income (2,096) (1,937) (6,537) (4,860)
Truckload Transportation Services        
Segment Reporting Information [Line Items]        
Revenues from external customers 512,898 533,806 1,010,710 1,080,861
Less operating expenses:        
Severance costs 900      
Insurance and claims expense 45,700   45,700  
Change in fair value 7,900   7,800  
Truckload Transportation Services | Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Revenues from external customers (4,749) (3,263) (8,812) (7,334)
Truckload Transportation Services | Reportable segment revenues        
Segment Reporting Information [Line Items]        
Revenues from external customers 517,647 537,069 1,019,522 1,088,195
Total revenues 517,647 537,069 1,019,522 1,088,195
Less operating expenses:        
Salaries, wages and benefits 225,123 231,640 442,826 468,171
Fuel 59,731 71,232 122,164 148,106
Supplies and maintenance 53,710 53,654 105,048 107,784
Taxes and licenses 22,662 25,099 44,619 49,875
Insurance and claims (7,555)      
Insurance and claims   30,501 35,519 65,535
Depreciation and amortization 65,207 65,572 128,253 132,505
Rent and purchased transportation 40,110 33,783 78,563 66,278
Communications and utilities 3,107 3,267 6,715 6,901
Gains on sales of property and equipment (5,799) (1,466) (9,087) (5,931)
Other segment items (2,738) 2,789 1,729 7,133
Total operating expenses 453,558 516,071 956,349 1,046,357
Operating income 64,089 20,998 63,173 41,838
Werner Logistics        
Segment Reporting Information [Line Items]        
Revenues from external customers 221,177 208,912 416,735 411,394
Less operating expenses:        
Severance costs     400  
Werner Logistics | Inter-segment eliminations        
Segment Reporting Information [Line Items]        
Revenues from external customers 0 0 0 0
Werner Logistics | Reportable segment revenues        
Segment Reporting Information [Line Items]        
Revenues from external customers 221,177 208,912 416,735 411,394
Total revenues 221,177 208,912 416,735 411,394
Less operating expenses:        
Salaries, wages and benefits 18,044 20,486 36,300 41,796
Fuel 338 402 698 840
Supplies and maintenance 2,916 1,989 5,589 3,873
Taxes and licenses 244 228 467 468
Insurance and claims 506      
Insurance and claims   1,400 1,128 2,629
Depreciation and amortization 3,868 3,745 7,560 7,412
Rent and purchased transportation 190,293 178,819 359,512 352,985
Communications and utilities 228 465 585 1,232
Gains on sales of property and equipment (420) (265) (719) (484)
Other segment items 832 1,093 1,762 2,422
Total operating expenses 216,849 208,362 412,882 413,173
Operating income $ 4,328 $ 550 $ 3,853 $ (1,779)