Investments Realized Gain (Loss) on Investments (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Gain (Loss) on Securities [Line Items]
Credit valuation loss on fixed maturities AFS	$ 0	$ 0
Sale of other long-term investments	24,238,000	3,671,000	$ 6,983,000
Gain (Loss) on Sale of Properties	981,000	0	5,513,000
Proceeds from Sale of Property, Plant, and Equipment	14,000	11,000	16,000
Net Realized Investment Gains (Losses) [Abstract]
Gain (Loss) on Sale of Properties	981,000	0	5,513,000
Gain (Loss) on Disposition of Property Plant Equipment	13,000	9,000	(48,000)
Proceeds from Sale of Long-term Investments	1,892,000	9,000	0
Gain (Loss) on Investments	2,977,000	(94,000)
Gain (Loss) on Investments, Excluding Other than Temporary Impairments			(7,392,000)
Change in fair value of equity securities	376,000	1,596,000	962,000
Change in fair value of limited partnerships	7,452,000	0	0
Change in credit loss allowance	186,000	0	0
Gains (Losses) on Sales of Investment Real Estate	0	0
Realized loss on Other than Temporary Impairments			(3,105,000)
Investment related gains (losses), net	10,991,000	1,502,000	5,249,000
Proceeds of Investments [Abstract]
Sale of fixed maturities, available-for-sale	8,238,000	20,537,000	66,900,000
Debt Securities, Available-for-sale, Realized Gain	189,000	239,000	2,538,000
Debt Securities, Available-for-sale, Realized Loss	1,000	351,000	973,000
Proceeds from sale of equity securities, FV-NI	7,383,000	0	0
Equity Securities, FV-NI, Realized Gain	0	0	0
Equity Securities, FV-NI, Realized Loss	$ 149,000	$ 0	$ 0
Number of Equity Securities Sold	1	0	0
Debt Securities [Member]
Net Realized Investment Gains (Losses) [Abstract]
Gain (Loss) on Sales, Calls and Maturities of Fixed Maturities	$ 243,000	$ (112,000)	$ 1,927,000
Available-for-sale Securities [Member]
Proceeds of Investments [Abstract]
Number of Debt Securities Sold	28	29	68
Equity Securities [Member]
Net Realized Investment Gains (Losses) [Abstract]
Equity Securities, FV-NI, Realized Gain (Loss)	$ (152,000)	$ 0	$ 0
Life Insurance Segment [Member]
Gain (Loss) on Securities [Line Items]
Gain (Loss) on Sale of Properties			5,500,000
Proceeds from Sale of Property, Plant, and Equipment			7,500,000
Net Realized Investment Gains (Losses) [Abstract]
Gain (Loss) on Sale of Properties			5,500,000
Investment related gains (losses), net	9,176,000	1,340,000	6,795,000
Other Non-Insurance Enterprises [Member]
Gain (Loss) on Securities [Line Items]
Gain (Loss) on Sale of Properties	1,000,000
Net Realized Investment Gains (Losses) [Abstract]
Gain (Loss) on Sale of Properties	1,000,000
Investment related gains (losses), net	1,197,000	$ (61,000)	(3,016,000)
Proceeds of Investments [Abstract]
Real Estate Owned, Valuation Allowance, Component			$ (3,100,000)
Other Non-Insurance Enterprises [Member] | Land and Land Improvements
Gain (Loss) on Securities [Line Items]
Sale of other long-term investments	$ 3,800,000