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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Changes in Claims
The following table sets forth the number of claims filed, the number of claims settled, dismissed or otherwise resolved, and the aggregate settlement amount during the periods presented:
Year ended December 31,Opening Number of ClaimsClaims Dismissed, Settled, or
Resolved
New ClaimsClosing Number of ClaimsAmounts Paid (thousands) to
Settle or Resolve
20153,821116863,791$164
20163,7911481023,745758
20173,745105903,73055
20183,7301521063,684100
20193,68451753,70825
20203,708152593,615$57