Related-party Transactions	12 Months Ended
Dec. 31, 2019
Related Party Transactions [Abstract]
Related-Party Transactions	11. Related-Party Transactions The Company had a $25.5 million note payable to a limited liability company controlled by certain officers of the Company as of December 31, 2017. The Company repaid the note in the amount of $26.6 million which included paid in kind interest of $8.6 million as of June 2018. The Company leased a terminal facility from entities owned by the two principal stockholders of New Mountain Lake and their respective family trusts. The lease agreement was set to expire in 2020. Rent expense of approximately $0.5 million and $0.9 million was recognized in connection with these leases during 2018 and 2017, respectively. In June 2018, the Company purchased the terminal facility for $7.5 million with proceeds from the offering. The Company and two principal stockholders of the Company collectively own 32.73% of the outstanding stock of DriverTech. Total payments by the Company to this provider were $2.4 million, $1.5 million and $1.5 million in 2019, 2018 and 2017, respectively, primarily for communications hardware. This product is designed specifically for in-cab use on a Windows platform to enhance communications with the driver. In connection with the sale of Arnold to Parker, the Company entered into a number of agreements with Parker. Under the Transition Services Agreement, the Company agreed to perform certain services for Parker, such as accounting, payroll, human resources, information technology and others. Parker paid the Company approximately $0.2 million, $0.2 million and $0.2 million under this agreement during 2019, 2018 and 2017, respectively. The Company entered into a ten-year lease with Arnold for the use of real property located in Grand Prairie, Texas. Arnold paid the Company approximately $0.4 million, $0.4 million and $0.4 million under these agreements during 2019, 2018 and 2017, respectively. During 2019, the Company converted $5.0 million in trade receivables to a promissory note and under the note advanced an additional $2.0 million. In the fourth quarter of 2019, Company recorded a $6.8 million impairment charge as the collectability of the note was remote. At December 31, 2019 and 2018, $0.2 million and $3.1 million was due from Arnold and was included in other receivables in the accompanying consolidated balance sheets, respectively.

11. Related-Party Transactions

The Company had a $25.5 million note payable to a limited liability company controlled by certain officers of the Company as of December 31, 2017. The Company repaid the note in the amount of $26.6 million which included paid in kind interest of $8.6 million as of June 2018.

The Company leased a terminal facility from entities owned by the two principal stockholders of New Mountain Lake and their respective family trusts. The lease agreement was set to expire in 2020. Rent expense of approximately $0.5 million and $0.9 million was recognized in connection with these leases during 2018 and 2017, respectively. In June 2018, the Company purchased the terminal facility for $7.5 million with proceeds from the offering.

The Company and two principal stockholders of the Company collectively own 32.73% of the outstanding stock of DriverTech. Total payments by the Company to this provider were $2.4 million, $1.5 million and $1.5 million in 2019, 2018 and 2017, respectively, primarily for communications hardware. This product is designed specifically for in-cab use on a Windows platform to enhance communications with the driver.

In connection with the sale of Arnold to Parker, the Company entered into a number of agreements with Parker. Under the Transition Services Agreement, the Company agreed to perform certain services for Parker, such as accounting, payroll, human resources, information technology and others. Parker paid the Company approximately $0.2 million, $0.2 million and $0.2 million under this agreement during 2019, 2018 and 2017, respectively.

The Company entered into a ten-year lease with Arnold for the use of real property located in Grand Prairie, Texas. Arnold paid the Company approximately $0.4 million, $0.4 million and $0.4 million under these agreements during 2019, 2018 and 2017, respectively.

During 2019, the Company converted $5.0 million in trade receivables to a promissory note and under the note advanced an additional $2.0 million. In the fourth quarter of 2019, Company recorded a $6.8 million impairment charge as the collectability of the note was remote. At December 31, 2019 and 2018, $0.2 million and $3.1 million was due from Arnold and was included in other receivables in the accompanying consolidated balance sheets, respectively.