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New Accounting Pronouncements (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Standards Update and Change in Accounting Principle [Abstract]  
Accounts Receivable, Allowance for Credit Losses
The change in the allowance for credit losses for the six months ended June 30, 2020 was as follows (in thousands):
Balance at December 31, 2019$14,466  
Cumulative-effect adjustment3,150  
Provision for credit losses4,957  
Amounts written off against the allowance(1,597) 
Balance at June 30, 2020$20,976