XML 47 R30.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Schedule V - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2019
Schedule V - Valuation and Qualifying Accounts  
Schedule V - Valuation and Qualifying Accounts

Safety Insurance Group, Inc.

Valuation and Qualifying Accounts

Schedule V

(Dollars in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Additions

​

​

​

​

​

​

​

​

Balance at

​

Charged to

​

Charged to

​

​

​

​

Balance at

​

​

Beginning

​

Costs and

​

Other

​

​

​

​

End of

​

​

of Period

​

Expenses

​

Accounts

​

Deductions(1)

​

Period

Allowance for doubtful accounts Years Ended December 31,

    

​

    

    

​

    

    

​

    

    

​

    

    

​

    

2019

​

$

482

​

$

1,358

​

$

—

​

$

1,262

​

$

578

2018

​

 

414

​

​

1,338

​

​

—

​

​

1,270

​

 

482

2017

​

 

435

​

 

1,203

​

 

—

​

 

1,224

​

 

414

​

(1) Deductions represent write-offs of accounts determined to be uncollectible.