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Schedule II-Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Movement in Valuation Allowances and Reserves [Abstract]    
Balance at beginning of period $ 28,639 $ 20,367
Charged to expense 26,794 26,887
Accounts written-off (23,512) (18,615)
Balance at end of period $ 31,921 $ 28,639