XML 52 R29.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Schedule IV - Reinsurance
12 Months Ended
Dec. 31, 2019
Schedule IV - Reinsurance  
Schedule IV - Reinsurance

Safety Insurance Group, Inc.

Reinsurance

Schedule IV

(Dollars in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

​

​

    

​

​

    

​

​

    

​

​

Percent of

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amount

Property and Casualty

​

Gross

​

Ceded to Other

​

Assumed from

​

Net

​

Assumed

Insurance Earned Premiums

​

Amount

​

Companies

​

Other Companies

​

Amount

​

to Net

Years ended December 31,

​

​

​

​

​

​

​

​

​

​

​

​

​

​

2019

​

$

845,102

​

$

89,178

​

$

32,853

​

$

788,777

 

4.2%

2018

​

 

836,759

​

​

87,368

​

​

32,196

​

 

781,587

 

4.1%

2017

​

 

818,804

​

​

76,886

​

​

32,502

​

 

774,420

 

4.2%

​