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Product Warranty (Tables)
 9 Months Ended
Sep. 30, 2019
Guarantees [Abstract]  
Reconciliation of Reserve for Warranty Expense
The following table provides a reconciliation of the activity related to the Company’s reserve for warranty expense (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended
September 30,
 
2019
 
2018
 
2019
 
2018
Beginning balance
$
10,976

 
$
8,035

 
$
7,610

 
$
6,657

Provision
1,494

 
3,110

 
6,492

 
8,633

Provision liability assumed from acquisition
—

 
—

 
2,208

 
—

Claims paid/costs incurred
(2,349
)
 
(2,613
)
 
(6,189
)
 
(6,758
)
Ending balance
$
10,121

 
$
8,532

 
$
10,121

 
$
8,532