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Accrued Liabilities
 6 Months Ended
Jun. 30, 2019
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued Liabilities

Accrued liabilities were comprised of the following:

 
June 30,
2019
 
December 31, 2018
 
(in thousands)
Warranty
$
11,666

 
$
11,421

Due to representatives
12,561

 
11,024

Payroll
6,333

 
4,182

Profit sharing
1,892

 
1,835

Worker's compensation
552

 
567

Medical self-insurance
876

 
1,207

Customer prepayments
2,273

 
2,367

Employee vacation time
3,701

 
3,173

Other
2,859

 
1,679

Total
$
42,713

 
$
37,455