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Property and Casualty Insurance Activity (Details 2)
$ in Thousands
 6 Months Ended
Jun. 30, 2021
USD ($)
integer
2012 incurred claims $ 10,880
2013 incurred claims 10,512
2014 incurred claims 16,404
2015 incurred claims 23,459
2016 incurred claims 27,549
2017 incurred claims 36,213
2018 incurred claims 58,935
2019 incurred claims 72,322
2020 incurred claims 62,835
2021 incurred claims 41,012
Total incurred claims 360,121
Two Thousand Twelve Member  
2012 incurred claims 9,539
IBNR $ 14
Cumulative Number of Reported Claims | integer 4,704
Two Thousand Thirteen Member  
2012 incurred claims $ 9,344
2013 incurred claims 10,728
IBNR $ 4
Cumulative Number of Reported Claims | integer 1,564
Two Thousand Fourteen Member  
2012 incurred claims $ 10,278
2013 incurred claims 9,745
2014 incurred claims 14,193
IBNR $ 160
Cumulative Number of Reported Claims | integer 2,138
Two Thousand Fifteen Member  
2012 incurred claims $ 10,382
2013 incurred claims 9,424
2014 incurred claims 14,260
2015 incurred claims 22,340
IBNR $ 132
Cumulative Number of Reported Claims | integer 2,558
Two Thousand Sixteen Member  
2012 incurred claims $ 10,582
2013 incurred claims 9,621
2014 incurred claims 14,218
2015 incurred claims 21,994
2016 incurred claims 26,062
IBNR $ 488
Cumulative Number of Reported Claims | integer 2,879
Two Thousand Seventeen Member  
2012 incurred claims $ 10,790
2013 incurred claims 10,061
2014 incurred claims 14,564
2015 incurred claims 22,148
2016 incurred claims 24,941
2017 incurred claims 31,605
IBNR $ 496
Cumulative Number of Reported Claims | integer 3,393
Two Thousand Eighteen Member  
2012 incurred claims $ 10,791
2013 incurred claims 10,089
2014 incurred claims 15,023
2015 incurred claims 22,491
2016 incurred claims 24,789
2017 incurred claims 32,169
2018 incurred claims 54,455
IBNR $ 1,503
Cumulative Number of Reported Claims | integer 4,218
Two Thousand Nineteen Member  
2012 incurred claims $ 11,015
2013 incurred claims 10,607
2014 incurred claims 16,381
2015 incurred claims 23,386
2016 incurred claims 27,887
2017 incurred claims 35,304
2018 incurred claims 56,351
2019 incurred claims 75,092
IBNR $ 7,872
Cumulative Number of Reported Claims | integer 4,460
Two Thousand Twenty Member  
2012 incurred claims $ 10,885
2013 incurred claims 10,495
2014 incurred claims 16,428
2015 incurred claims 23,291
2016 incurred claims 27,966
2017 incurred claims 36,160
2018 incurred claims 58,441
2019 incurred claims 72,368
2020 incurred claims 63,083
IBNR $ 7,510
Cumulative Number of Reported Claims | integer 5,809
Two Thousand Twenty One Member  
IBNR $ 12,085
Cumulative Number of Reported Claims | integer 1,646