Insurance Company Subsidiary Operations - Effects of Reinsurance on Premiums Written and Earned (Details) $ in Millions	9 Months Ended
Sep. 30, 2022 USD ($)
Written
Net premiums	$ 31.7
Earned
Net premiums	18.1
WNFIC
Written
Direct premiums	567.9
Ceded premiums	(567.9)
Earned
Direct premiums	563.0
Ceded premiums	(563.0)
Quota Share Captive and Excess of Loss Layer Captive
Written
Assumed Premiums	54.0
Net premiums	31.7
Earned
Assumed Premium	27.6
Net premiums	18.1
Quota Share Captive
Written
Ceded premiums	(22.3)
Net premiums	31.7
Earned
Ceded premiums	(9.5)
Net premiums	$ 13.5

Amount of earned premiums assumed from other entities.

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