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Investments (Investment Gains and Losses) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 1,403,782	$ 1,401,301
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	8,731	5,401
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	170,242	185,741
Fixed maturity securities	1,242,271	1,220,961
US Treasury Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	5,916	5,939
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	91	85
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	101	115
Fixed maturity securities	5,906	5,909
US Government Agencies Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	3,137	3,152
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	230	152
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	0
Fixed maturity securities	3,367	3,304
US States and Political Subdivisions Debt Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	301,135	300,757
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1,312	1,087
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	31,098	33,542
Fixed maturity securities	271,349	268,302
Corporate Debt Securities Financial Sector Member [Domain]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	268,869	272,925
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2,924	1,593
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	29,506	33,285
Fixed maturity securities	242,287	241,233
Corporate Debt Security Consumer Sector
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	260,529	263,242
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1,394	899
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	42,932	45,955
Fixed maturity securities	218,991	218,186
Corporate Debt Security Utilities Sector
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	127,904	126,361
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	458	220
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	21,479	22,770
Fixed maturity securities	106,883	103,811
Corporate Debt Security Energy Sector
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	80,167	79,247
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	156	40
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	9,141	9,959
Fixed maturity securities	71,182	69,328
Corporate Debt Security Communications Sector
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	66,572	70,896
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	235	111
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	8,488	9,910
Fixed maturity securities	58,319	61,097
Corporate Debt Security All Other Sector
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	130,035	117,387
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1,032	315
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	16,951	16,368
Fixed maturity securities	114,116	101,334
Commercial Mortgage Backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	310	315
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	4	1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	3	5
Fixed maturity securities	311	311
Residential Mortgage Backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	105,617	106,661
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	6	7
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	9,787	13,026
Fixed maturity securities	95,836	93,642
Asset-backed Securities [Member]
Gross Unrealized Gains and Losses [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	53,591	54,419
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	889	891
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	756	806
Fixed maturity securities	$ 53,724	$ 54,504

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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