| Lessee, Operating Leases [Text Block] |
| Note 7. | Lease Obligations |
The finance leases in effect at June 30, 2026 terminate from June 2028 through November 2033 and contain guarantees of the residual value of the related equipment by us.
A summary of our lease obligations at June 30, 2026 and 2025 are as follows:
| (dollars in thousands) | | Three Months Ended | | | Three Months Ended | | | Six Months Ended | | | Six Months Ended | |
| | | June 30, 2026 | | | June 30, 2025 | | | June 30, 2026 | | | June 30, 2025 | |
| Finance lease cost: | | | | | | | | | | | | | | | | |
| Amortization of right-of-use assets | | $ | 225 | | | $ | 218 | | | $ | 443 | | | $ | 437 | |
| Interest on lease liabilities | | | 101 | | | | 120 | | | | 206 | | | | 243 | |
| Operating lease cost | | | 3,645 | | | | 3,993 | | | | 7,314 | | | | 7,834 | |
| Variable lease cost | | | 38 | | | | 17 | | | | 54 | | | | (68 | ) |
| Short-term lease cost | | | 1,850 | | | | 1,473 | | | | 4,149 | | | | 2,679 | |
| Total lease cost | | | 5,859 | | | | 5,821 | | | | 12,166 | | | | 11,125 | |
| | | | | | | | | | | | | | | | | |
| Other information | | | | | | | | | | | | | | | | |
| Cash paid for amounts included in the measurement of lease liabilities: | | | | | | | | | | | | | | | | |
| Operating cash flows from finance leases | | | 101 | | | | 120 | | | | 206 | | | | 243 | |
| Operating cash flows from operating leases | | | 3,084 | | | | 3,026 | | | | 6,139 | | | | 6,046 | |
| Financing cash flows from finance leases | | | 227 | | | | 185 | | | | 460 | | | | 365 | |
| Right-of-use assets obtained in exchange for new finance lease liabilities | | | 503 | | | | - | | | | 503 | | | | - | |
| Right-of-use assets obtained in exchange for new operating lease liabilities | | | - | | | | 1,484 | | | | 818 | | | | 4,359 | |
| Weighted-average remaining lease term—finance leases (in years) | | | 4.0 | | | | 4.5 | | | | | | | | | |
| Weighted-average remaining lease term—operating leases (in years) | | | 3.2 | | | | 4.0 | | | | | | | | | |
| Weighted-average discount rate—finance leases | | | 12.3 | % | | | 12.8 | % | | | | | | | | |
| Weighted-average discount rate—operating leases | | | 8.7 | % | | | 8.9 | % | | | | | | | | |
As of June 30, 2026 and December 31, 2025, right-of-use assets of $30.3 million and $35.5 million for operating leases and $2.9 million and $2.8 million for finance leases, respectively. Finance leases are included in net property and equipment in our condensed consolidated balance sheets. Operating lease right-of-use asset amortization is included in revenue equipment rentals and purchased transportation, communications and utilities, and general supplies and expenses, depending on the underlying asset, in the condensed consolidated statement of operations. Amortization of finance leased assets is included in depreciation and amortization expense in the condensed consolidated statement of operations.
Our future minimum lease payments as of June 30, 2026, are summarized as follows by lease category:
| (in thousands) | | Operating | | | Finance | |
| 2026 (1) | | | 7,350 | | | $ | 665 | |
| 2027 | | | 13,216 | | | | 1,331 | |
| 2028 | | | 7,046 | | | | 1,050 | |
| 2029 | | | 4,074 | | | | 459 | |
| 2030 | | | 2,602 | | | | 333 | |
| Thereafter | | | 2,100 | | | | 321 | |
| Total minimum lease payments | | $ | 36,388 | | | $ | 4,159 | |
| Less: amount representing interest | | | (4,256 | ) | | | (923 | ) |
| Present value of minimum lease payments | | $ | 32,132 | | | $ | 3,236 | |
| Less: current portion | | | (12,646 | ) | | | (978 | ) |
| Lease obligations, long-term | | $ | 19,486 | | | $ | 2,258 | |
(1) Excludes the six months ended June 30, 2026.
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