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Subsequent Event (Notes) | 12 Months Ended
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Dec. 31, 2020
Subsequent Event [Line Items] |
Subsequent Events [Text Block] | Subsequent Events Intermodal Acquisition On February 5, 2021, the Company entered into an agreement to acquire substantially all of the assets of Proficient Transport for $15,000 in cash and a potential earn-out up to $2,000. Sale of Pool On February 12, 2021, the Company sold Pool to Ten Oaks Group, for total consideration of $20,000, consisting of an $8,000 upfront cash payment and a potential earn-out up to $12,000.

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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