Property and Casualty Insurance Activity (Details 5) - USD ($)	6 Months Ended	7 Months Ended	13 Months Ended
Jun. 30, 2021	Dec. 30, 2020	Jun. 30, 2020	Dec. 30, 2020
Catastrophe [Member]
Risk retained per catastrophe occurrence			$ 5,625,000
Catastrophe loss coverage in excess of quota share coverage	$ 475,000,000	$ 475,000,000	602,500,000
Initial loss subject to personal lines quota share treaty		$ 7,500,000	$ 7,500,000
Reinstatement premium protection	Yes	Yes	Yes
Property And Casualty Personal Insurance Product Line Member
Percent ceded				25.00%
Risk retained on initial $1,000,000 of losses	$ 1,000,000	$ 750,000	$ 750,000
Excess of loss coverage and facultative facility coverage	8,000,000	8,000,000	9,000,000
In excess of	1,000,000	1,000,000	1,000,000
Total reinsurance coverage per occurrence	$ 8,000,000	$ 8,250,000	$ 9,250,000
Expiration date	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Losses per occurrence subject to reinsurance coverage	$ 8,000,000	$ 9,000,000	$ 10,000,000
Risk retained per catastrophe occurrence	10,000,000	8,125,000
Catastrophe loss coverage in excess of quota share coverage	$ 475,000,000
Losses per occurrence subject to quota share reinsurance coverage		1,000,000	$ 1,000,000
Initial loss subject to personal lines quota share treaty		$ 7,500,000