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Accrued Expenses and Other Current Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2021
Accrued Expenses and Other Current Liabilities |
Summary of accrued expenses and other current liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ | ​ | 2021 | ​ | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Payroll and related costs | ​ | $ | 10,489 | ​ | $ | 10,240
Employee benefits | ​ | ​ | 8,760 | ​ | ​ | 7,642
Accrued warranty | ​ | ​ | 3,220 | ​ | ​ | 3,392
Interest rate swaps | ​ | ​ | 4,110 | ​ | ​ | 4,075
Other | ​ | ​ | 6,744 | ​ | ​ | 5,482
​ | ​ | $ | 33,323 | ​ | $ | 30,831

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