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Accrued Expenses and Other Current Liabilities | 3 Months Ended
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Mar. 31, 2021
Accrued Expenses and Other Current Liabilities |
Accrued Expenses and Other Current Liabilities | ​ 10.Accrued Expenses and Other Current Liabilities ​ Accrued expenses and other current liabilities are summarized as follows: ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ | ​ | 2021 | ​ | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Payroll and related costs | ​ | $ | 7,019 | ​ | $ | 10,240
Employee benefits | ​ | ​ | 8,592 | ​ | ​ | 7,642
Accrued warranty | ​ | ​ | 2,800 | ​ | ​ | 3,392
Interest rate swaps | ​ | ​ | 4,074 | ​ | ​ | 4,075
Other | ​ | ​ | 4,878 | ​ | ​ | 5,482
​ | ​ | $ | 27,363 | ​ | $ | 30,831

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + 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 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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