Investments, Securities with Continuous Unrealized Loss Position (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) Security	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) Security
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	$ 23,386		$ 23,461
12 months or longer	159,340		163,974
Total	182,726		187,435
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	593		798
12 months or longer	21,117		23,803
Total	$ 21,710		$ 24,601
Number of securities in unrealized loss position | Security	207		213
Allowance for expected credit losses on available-for-sale fixed maturities	$ 0		$ 0
Realized investment gains	0	$ 0
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	1,980		3,753
12 months or longer	14,241		16,136
Total	16,221		19,889
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	1		33
12 months or longer	1,827		2,111
Total	1,828		2,144
Allowance for expected credit losses on available-for-sale fixed maturities	0		0
Loan Backed and Structured Securities [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	3,279		1,010
12 months or longer	15,882		16,069
Total	19,161		17,079
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	11		5
12 months or longer	2,342		2,452
Total	2,353		2,457
Allowance for expected credit losses on available-for-sale fixed maturities	0		0
Obligations of States and Political Subdivisions [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	0		0
12 months or longer	5,977		5,839
Total	5,977		5,839
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	0		0
12 months or longer	1,378		1,517
Total	1,378		1,517
Allowance for expected credit losses on available-for-sale fixed maturities	0		0
Corporate Securities [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	17,939		18,510
12 months or longer	123,240		125,930
Total	141,179		144,440
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	576		755
12 months or longer	15,570		17,723
Total	16,146		18,478
Allowance for expected credit losses on available-for-sale fixed maturities	0		0
Redeemable Preferred Stocks [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	188		188
12 months or longer	0		0
Total	188		188
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses [Abstract]
Less than 12 months	5		5
12 months or longer	0		0
Total	5		5
Allowance for expected credit losses on available-for-sale fixed maturities	$ 0		$ 0