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Commitments and Contingent Liabilities (Tables)
 12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Summary of Changes in Product Warranties Reserve
The following table reflects the changes in our Warranty Reserve (see Note 1 herein for further discussion of warranty/product liability reserves):
 
 
Year Ended December 31,
 
 
2019
 
2018
 
2017
Warranty reserve, beginning of year
 
$
103,700

 
$
94,513

 
$
93,895

Provision
 
69,065

 
62,553

 
44,652

Payments
 
(64,712
)
 
(53,366
)
 
(44,034
)
Warranty reserve, end of year
 
$
108,053

 
$
103,700

 
$
94,513