Investments (Tables)

12 Months Ended

Dec. 31, 2024

Investments Including Short Term And Cash And Cash Equivalents [Abstract]

Investments Including Short Term And Cash And Cash Equivalents [Table Text Block]

Carrying Value as of December 31, (In thousands, except for %)	2024		%		2023		%
Cash and invested assets:
Fixed maturity securities	$	1,220,961	86.0	%	$	1,238,981	86.7	%
Equity securities	5,447		0.4		5,282		0.4
Policy loans	71,216		5.0		75,359		5.3
Other long-term investments	93,604		6.6		82,725		5.8
Cash and cash equivalents	29,271		2.0		26,997		1.8
Total cash and invested assets	$	1,420,499	100.0	%	$	1,429,344	100.0	%

Debt Securities, Unrealized Gain (Loss) on Investments [Abstract]

Unrealized Gain (Loss) on Investments [Table Text Block]

The following tables represents the amortized cost, gross unrealized gains and losses and fair value of fixed maturity securities as of the dates indicated.

December 31, 2024 (In thousands)	Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
Fixed maturity securities:
U.S. Treasury securities	$	5,939	85	115	5,909
U.S. Government-sponsored enterprises	3,152		152	—	3,304
States and political subdivisions	300,757		1,087	33,542	268,302
Corporate:
Financial	272,925		1,593	33,285	241,233
Consumer	263,242		899	45,955	218,186
Utilities	126,361		220	22,770	103,811
Energy	79,247		40	9,959	69,328
Communications	70,896		111	9,910	61,097
All other	117,387		315	16,368	101,334
Commercial mortgage-backed	315		1	5	311
Residential mortgage-backed	106,661		7	13,026	93,642
Asset-backed	54,419		891	806	54,504
Total fixed maturity securities	$	1,401,301	5,401	185,741	1,220,961

December 31, 2023 (In thousands)	Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
Fixed maturity securities:
U.S. Treasury securities	$	5,983	127	48	6,062
U.S. Government-sponsored enterprises	3,404		250	1	3,653
States and political subdivisions	314,203		2,160	29,132	287,231
Corporate:
Financial	266,485		2,066	31,255	237,296
Consumer	250,672		2,145	37,094	215,723
Utilities	123,625		615	20,253	103,987
Energy	73,808		64	8,049	65,823
Communications	74,029		309	8,892	65,446
All other	111,124		647	12,439	99,332
Commercial mortgage-backed	171		—	—	171
Residential mortgage-backed	107,174		9	10,060	97,123
Asset-backed	58,360		290	1,516	57,134
Total fixed maturity securities	$	1,389,038	8,682	158,739	1,238,981

Schedule of Equity Securities [Table Text Block]

The Company's investments in equity securities are shown below.

Fair Value as of December 31, (In thousands)	2024		2023
Equity securities:
Bond mutual funds	$	739	740
Common stock	810		665
Non-redeemable preferred stock	7		7
Non-redeemable preferred stock fund	3,891		3,870
Total equity securities	$	5,447	5,282

Unrealized Continuous Losses on Investments [Abstract]

Schedule of Unrealized Loss on Investments [Table Text Block]

For fixed maturity security investments that have unrealized losses as of December 31, 2024 and 2023, the gross unrealized losses and related fair values that have been in a continuous unrealized loss position by timeframe are as follows.

December 31, 2024	Less than 12 months				Greater than 12 months			Total
(In thousands, except for # of securities)	Fair Value		Unrealized Losses	# of Securities	Fair Value	Unrealized Losses	# of Securities	Fair Value	Unrealized Losses	# of Securities
Fixed maturity securities:
U.S. Treasury securities	$	835	51	3	435	64	5	1,270	115	8
States and political subdivisions	42,583		1,484	63	147,534	32,058	177	190,117	33,542	240
Corporate:
Financial	29,258		756	53	154,448	32,529	192	183,706	33,285	245
Consumer	37,231		2,053	57	161,795	43,902	216	199,026	45,955	273
Utilities	16,750		687	47	79,488	22,083	142	96,238	22,770	189
Energy	11,654		438	29	52,537	9,521	65	64,191	9,959	94
Communications	9,973		250	11	48,462	9,660	60	58,435	9,910	71
All Other	25,208		1,237	38	68,756	15,131	87	93,964	16,368	125
Commercial mortgage-backed	100		—	1	89	5	1	189	5	2
Residential mortgage-backed	160		2	11	93,231	13,024	84	93,391	13,026	95
Asset-backed	10,330		243	14	14,741	563	16	25,071	806	30
Total fixed maturity securities	$	184,082	7,201	327	821,516	178,540	1,045	1,005,598	185,741	1,372

December 31, 2023	Less than 12 months				Greater than 12 months			Total
(In thousands, except for # of securities)	Fair Value		Unrealized Losses	# of Securities	Fair Value	Unrealized Losses	# of Securities	Fair Value	Unrealized Losses	# of Securities
Fixed maturity securities:
U.S. Treasury securities	$	1,203	40	5	65	8	2	1,268	48	7
U.S. Government-sponsored enterprises	221		1	1	—	—	—	221	1	1
States and political subdivisions	19,540		357	35	164,264	28,775	192	183,804	29,132	227
Corporate:
Financial	12,584		383	19	176,521	30,872	217	189,105	31,255	236
Consumer	10,175		265	16	176,725	36,829	223	186,900	37,094	239
Utilities	3,596		66	20	85,169	20,187	137	88,765	20,253	157
Energy	3,291		57	1	59,392	7,992	76	62,683	8,049	77
Communications	5,784		153	5	56,108	8,739	69	61,892	8,892	74
All Other	2,080		32	5	85,757	12,407	100	87,837	12,439	105
Residential mortgage-backed	849		38	5	95,806	10,022	86	96,655	10,060	91
Asset-backed	4,757		111	8	32,764	1,405	40	37,521	1,516	48
Total fixed maturity securities	$	64,080	1,503	120	932,571	157,236	1,142	996,651	158,739	1,262

Schedule of Fixed Maturities [Abstract]

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of fixed maturity securities at December 31, 2024 by contractual maturity are shown in the table below.  Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date have been reflected based upon final stated maturity.

(In thousands)	Amortized Cost		Fair Value
Fixed maturity securities:
Due in one year or less	$	20,091	19,999
Due after one year through five years	141,692		140,359
Due after five years through ten years	252,359		244,946
Due after ten years	987,159		815,657
Total fixed maturity securities	$	1,401,301	1,220,961

Debt and Equity Securities, Realized Gain (Loss) [Abstract]

Schedule of Realized Gain (Loss) [Table Text Block]

The Company uses the specific identification method of the individual security to determine the cost basis used in the calculation of realized gains and losses related to security sales.

Years ended December 31, (In thousands)	2024		2023
Fixed maturity securities:
Proceeds	$	15,161	29,883
Gross realized gains	$	131	53
Gross realized losses	$	225	602

Investment Income [Table Text Block]

Major categories of net investment income are summarized as follows:

Years ended December 31, (In thousands)	2024		2023
Gross investment income:
Fixed maturity securities	$	60,940	60,127
Equity securities	302		630
Policy loans	5,597		6,011
Other long-term investments	4,846		4,509
Other	834		576
Total investment income	72,519		71,853
Investment expenses	(2,807)		(2,599)
Net investment income	$	69,712	69,254

Realized Gain (Loss) on Investments [Table Text Block]

Investment related gains and losses are as follows:

Years ended December 31, (In thousands)	2024		2023
Investment related gains (losses):
Sales, calls and maturities:
Fixed maturity securities	$	(699)	(756)
Equity securities	—		513
Other long-term investments	(788)		342
Investment related gains (losses)	(1,487)		99
Change in fair value of equity securities	164		(190)
Change in fair value of limited partnerships	(969)		912
Change in credit loss allowance	(334)		(61)
Net investment related gains (losses)	$	(2,626)	760