Schedule II - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating Activities
Net Income (Loss)	$ 21,686	$ 23,903
Depreciation	2,760	2,298
Share-based compensation expense related to stock appreciation rights	425	362
Net gains on disposal of property	(204)	(58)
Net investment (gains) losses on securities	(3,448)	11,226
Net realized losses on other investments	118	366
Net losses from other investments	(3,206)	(2,224)
Benefit for deferred income taxes	(4,234)	(4,644)
Decrease (increase) in current income taxes receivable	93	(1,174)
Decrease (increase) in other assets	621	532
Decrease in current income taxes payable	0	(3,329)
(Decrease) increase in accounts payable and accrued liabilities	(10,408)	3,410
Net cash provided by (used in) operating activities	7,426	36,204
Investing Activities
Purchases of short-term securities	(174,742)	(101,718)
Purchases of and net earnings from other investments	(3,006)	(1,574)
Proceeds from sales and maturities of short-term investments	166,362	44,236
Proceeds from sales and distributions of other investments	4,499	5,332
Proceeds from sales of other assets	0	29
Purchases of property	(9,186)	(5,681)
Proceeds from disposals of property	529	26
Net cash provided by (used in) investing activities	(6,699)	(28,746)
Financing Activities
Repurchases of common stock	(959)	(133)
Exercise of stock appreciation rights	0	(1)
Dividends paid	(11,048)	(9,181)
Net cash provided by (used in) financing activities	(12,007)	(9,315)
Net Increase (Decrease) in Cash and Cash Equivalents	(11,280)	(1,857)
Cash and Cash Equivalents, Beginning of Period	35,311
Cash and Cash Equivalents, End of Period	24,031	35,311
Supplemental Disclosures:
Receivables From Delayed Tax Exempt Exchange	(2,589)	0
Parent Company
Operating Activities
Net Income (Loss)	21,686	23,903
Equity in net earnings of subsidiaries	(19,670)	(24,584)
Depreciation	126	115
(Accretion) amortization of investments, net	(2,924)	(272)
Share-based compensation expense related to stock appreciation rights	425	362
Net gains on disposal of property	(194)	0
Net investment (gains) losses on securities	142	343
Net realized losses on other investments	0	396
Net losses from other investments	21	11
Benefit for deferred income taxes	(433)	(927)
(Increase) decrease in receivables	(1,652)	1,249
Decrease (increase) in current income taxes receivable	1,506	(2,799)
Decrease (increase) in other assets	3,204	(153)
Decrease in current income taxes payable	0	(433)
(Decrease) increase in accounts payable and accrued liabilities	(1,326)	3,212
Net cash provided by (used in) operating activities	911	423
SEC Schedule, 12-04, Cash Dividends Paid to Registrant, Consolidated Subsidiaries	32,478	55,643
Investing Activities
Purchases of fixed maturity and equity securities	(1,203)	(3,851)
Purchases of short-term securities	(127,789)	(64,513)
Purchases of and net earnings from other investments	(81)	(46)
Proceeds from sales and maturities of fixed maturity and equity securities	2,892	5,278
Proceeds from sales and maturities of short-term investments	107,083	23,487
Proceeds from sales and distributions of other investments	2	776
Proceeds from sales of other assets	0	0
Purchases of property	(9)	(201)
Proceeds from disposals of property	206	60
Net cash provided by (used in) investing activities	13,579	16,633
Financing Activities
Repurchases of common stock	(959)	(133)
Exercise of stock appreciation rights	0	(1)
Capital contribution to subsidiaries	(1,524)	(4,875)
Dividends paid	(11,048)	(9,181)
Net cash provided by (used in) financing activities	(13,531)	(14,190)
Net Increase (Decrease) in Cash and Cash Equivalents	959	2,866
Cash and Cash Equivalents, Beginning of Period	3,450	584
Cash and Cash Equivalents, End of Period	4,409	3,450
Supplemental Disclosures:
Income tax payments, net	8,320	15,186
Receivables From Delayed Tax Exempt Exchange	$ (2,589)	$ 0