Transactions With Affiliated Parties	12 Months Ended
	Dec. 31, 2020
Related Party Transactions [Abstract]
Transactions With Affiliated Parties	Transactions With Affiliated PartiesWe paid certain officers and directors, or insurance agencies of which they are shareholders, commissions of $7 million in 2020, $8 million in 2019 and $7 million in 2018, on premium volume of $45 million, $48 million and $45 million for 2020, 2019 and 2018, respectively.