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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Summary of Change in Number of Asbestos Claims Outstanding
The following table summarizes the change in number of asbestos claims outstanding for the three months ended March 31, 2021:
Asbestos Claims
Claims outstanding as of January 1, 2020561 
New claims filed27 
Pending claims concluded(1)
(39)
Claims outstanding as of March 31, 2021
549 
(1) For the three months ended March 31, 2021, 37 claims were dismissed and 2 claims were settled. Settlements totaled approximately $0.1 million for the three months ended March 31, 2021.
Schedule of Asbestos-Related Claims and Insurance Receivables
Our projected asbestos-related liabilities and insurance receivables were as follows:
(Dollars in thousands)March 31, 2021December 31, 2020
Asbestos-related liabilities$73,174 $73,235 
Asbestos-related insurance receivables$66,793 $66,793