Share Repurchase Plans	3 Months Ended
Mar. 31, 2025
Equity [Abstract]
Share Repurchase Plans	Share Repurchase Plans In April 2022, the Board approved the repurchase of up to $350.0 million of the Company's outstanding common stock (the "2022 Knight-Swift Share Repurchase Plan"). The Company made no share repurchases during the quarters ended March 31, 2025 and 2024.no As of March 31, 2025 and December 31, 2024, the Company had $200.0 million remaining under the 2022 Knight-Swift Share Repurchase Plan.

The entire disclosure for equity.

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