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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Summary of Significant Accounting Policies |
Credit losses for trade accounts receivable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Balance at | ​ | Additions | ​ | ​ | ​ | ​ | Changes to | ​ | Balance at
​ | December 31, | ​ | charged to | Writeoffs | ​ | reserve, net | ​ | December 31,
​ | 2020 | ​ | Earnings | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2021
Year Ended December 31, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Work Truck Attachments | $ | 1,480 | ​ | $ | (60) | ​ | $ | - | ​ | $ | 10 | ​ | $ | 1,430
Work Truck Solutions | ​ | 1,449 | ​ | ​ | 127 | ​ | ​ | (10) | ​ | ​ | (26) | ​ | ​ | 1,540
Total | $ | 2,929 | ​ | $ | 67 | ​ | $ | (10) | ​ | $ | (16) | ​ | $ | 2,970
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Balance at | ​ | Adoption of | ​ | Additions | ​ | ​ | ​ | Changes to | ​ | Balance at
​ | December 31, | ​ | ASU 2016-03 | ​ | charged to | ​ | Writeoffs | ​ | reserve, net | ​ | December 31,
​ | 2019 | ​ | ​ | ​ | earnings | ​ | ​ | ​ | ​ | ​ | 2020
Year Ended December 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Work Truck Attachments | $ | 600 | ​ | $ | 400 | ​ | $ | 401 | ​ | $ | (12) | ​ | $ | 91 | ​ | $ | 1,480
Work Truck Solutions | ​ | 887 | ​ | ​ | 350 | ​ | ​ | 680 | ​ | ​ | (416) | ​ | ​ | (52) | ​ | ​ | 1,449
Total | $ | 1,487 | ​ | $ | 750 | ​ | $ | 1,081 | ​ | $ | (428) | ​ | $ | 39 | ​ | $ | 2,929
Schedule of estimated useful lives of the assets | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years | ​
Land improvements and buildings | ​ | 15 | - | 40 | ​
Leasehold improvements | ​ | 12 | ​ | ​ | ​
Machinery and equipment | ​ | 3 | - | 20 | ​
Furniture and fixtures | ​ | 3 | - | 12 | ​
Mobile equipment and other | ​ | 3 | - | 10 | ​
Schedule of changes in deferred financing costs | ​
​ | ​ | ​ | ​
​ | ​ | ​ | ​
Balance at December 31, 2018 | ​ | $ | 2,386
Amortization of deferred financing costs | ​ | ​ | (823)
Balance at December 31, 2019 | ​ | ​ | 1,563
Deferred financing costs capitalized on new debt | ​ | ​ | 1,133
Write-off of unamortized deferred financing costs | ​ | ​ | (197)
Amortization of deferred financing costs | ​ | ​ | (763)
Balance at December 31, 2020 | ​ | ​ | 1,736
Deferred financing costs capitalized on new debt | ​ | ​ | 1,409
Write-off of unamortized deferred financing costs | ​ | ​ | (972)
Amortization of deferred financing costs | ​ | ​ | (493)
Balance at December 31, 2021 | ​ | $ | 1,680
Schedule of financial assets and liabilities measured at fair value on a recurring basis and disclosure of the fair value of long-term debt | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value at December 31, 2021 | ​ | ​ | Fair Value at December 31, 2020
Assets: | ​ | ​ | ​ | ​ | ​
Non-qualified benefit plan assets (a) | $ | 10,347 | ​ | $ | 9,041
​ | ​ | ​ | ​ | ​ | ​
Total Assets | $ | 10,347 | ​ | $ | 9,041
​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​
Interest rate swaps (b) | ​ | 6,428 | ​ | ​ | 13,073
Long term debt (c) | ​ | 218,875 | ​ | ​ | 241,278
​ | ​ | ​ | ​ | ​ | ​
Total Liabilities | $ | 225,303 | ​ | $ | 254,351
| (a) | Included in Non-qualified benefit plan assets is the cash surrender value of insurance policies on various individuals that are associated with the Company. The carrying amounts of these insurance policies approximates their fair value.
| (b) | Valuation models are calibrated to initial trade price. Subsequent valuations are based on observable inputs to the valuation model (e.g. interest rates and credit spreads). Model inputs are changed only when corroborated by market data. A credit risk adjustment is made on each swap using observable market credit spreads. Thus, inputs used to determine fair value of the interest rate swap are Level 2 inputs. Interest rate swaps of $3,479 and $2,949 at December 31, 2021 are included in Accrued expenses and other current liabilities and Other long-term liabilities, respectively. Interest rate swaps of $4,075 and $8,998 at December 31, 2020 are included in Accrued expenses and other current liabilities and Other long-term liabilities, respectively.
| (c) | The fair value of the Company’s long-term debt, including current maturities, is based on rates for instruments with comparable maturities and credit quality (Level 2 inputs), and approximates its carrying value. Prior to the Company’s most recent debt refinancing, the fair value of the Company’s long-term debt, including current maturities, was estimated using discounted cash flows based on the Company’s current incremental borrowing rates for similar types of borrowing arrangements, which was a Level 2 input for all periods presented. See Note 9 for additional information. Long-term debt is recorded at carrying amount, net of discount and deferred financing costs, as disclosed on the face of the balance sheet.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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