Investments, Securities with Continuous Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2024 USD ($) Security	Dec. 31, 2023 USD ($) Security
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	$ 23,461	$ 6,878
12 months or longer	163,974	183,695
Total	187,435	190,573
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	798	53
12 months or longer	23,803	21,638
Total	$ 24,601	$ 21,691
Number of securities in unrealized loss position | Security	213	222
Allowance for expected credit losses on available-for-sale fixed maturities	$ 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	3,753	4,197
12 months or longer	16,136	15,639
Total	19,889	19,836
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	33	17
12 months or longer	2,111	1,934
Total	2,144	1,951
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	1,010	997
12 months or longer	16,069	23,837
Total	17,079	24,834
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	5	20
12 months or longer	2,452	2,973
Total	2,457	2,993
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	1,145
12 months or longer	5,839	5,936
Total	5,839	7,081
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	0	3
12 months or longer	1,517	1,421
Total	1,517	1,424
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	18,510	539
12 months or longer	125,930	138,283
Total	144,440	138,822
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	755	13
12 months or longer	17,723	15,310
Total	18,478	15,323
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
12 months or longer	0
Total	188
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	5
12 months or longer	0
Total	5
Allowance for expected credit losses on available-for-sale fixed maturities	$ 0	$ 0