0001709682 2021-04-06 2021-04-06 0001709682 us-gaap:CommonStockMember 2021-04-06 2021-04-06 0001709682 nsco:RedeemableWarrantsMember 2021-04-06 2021-04-06 false 0001709682 8-K 2022-01-06 CUSTOM TRUCK ONE SOURCE, INC. DE 001-38186 84-2531628 7701 Independence Avenue Kansas City MO 64125 816 241-4888 false false false false Common Stock, $0.0001 par value CTOS NYSE Redeemable warrants, exercisable for Common Stock, $0.0001 par value CTOS.WS NYSE false