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Schedule V - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule V - Valuation and Qualifying Accounts
SCHEDULE V – VALUATION AND QUALIFYING ACCOUNTS
The following table summarizes activity in the Company’s estimated credit losses and allowance for doubtful accounts for the periods presented (in thousands):
 
  Additions  
Beginning
Balance		Charges to
Earnings		Charges to
Other
Accounts		DeductionsEnding
Balance
Description     
Year Ended December 31, 2021     
Estimated credit losses (1)$631 466 — 513 $584 
Year Ended December 31, 2020     
Estimated credit losses (1)$749 528 — 646 $631 
Year Ended December 31, 2019     
Allowance for doubtful accounts$711 456 — 418 $749 

(1) Effective January 1, 2020, the Company adopted ASU 2016-13, Financial Instruments-Credit Losses (Topic ASC 326), which introduced a new process for recognizing credit losses on financial instruments based on an estimate of current expected credit losses. The new ASU applied to premiums receivable and results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with previously applicable U.S. GAAP.