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Accrued Expenses and Other Current Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2021
Accrued Expenses and Other Current Liabilities |
Summary of accrued expenses and other current liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ | ​ | 2021 | ​ | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Payroll and related costs | ​ | $ | 10,311 | ​ | $ | 10,240
Employee benefits | ​ | ​ | 7,977 | ​ | ​ | 7,642
Accrued warranty | ​ | ​ | 3,499 | ​ | ​ | 3,392
Interest rate swaps | ​ | ​ | 4,106 | ​ | ​ | 4,075
Other | ​ | ​ | 6,759 | ​ | ​ | 5,482
​ | ​ | $ | 32,652 | ​ | $ | 30,831

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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