Investments - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	$ 125,274	$ 127,119
Debt securities, Gross Unrealized Gain	1	1
Debt securities, Gross Unrealized Losses	(14,642)	(16,919)
Debt securities, Estimated Fair Value	110,633	110,201
U.S. Government
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	7,220	7,833
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(249)	(335)
Debt securities, Estimated Fair Value	6,971	7,498
State and local government
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	26,063	25,487
Debt securities, Gross Unrealized Gain	1	1
Debt securities, Gross Unrealized Losses	(3,866)	(4,672)
Debt securities, Estimated Fair Value	22,198	20,816
Corporate debt
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	35,070	35,347
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(4,139)	(4,788)
Debt securities, Estimated Fair Value	30,931	30,559
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	21,150	21,742
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(1,045)	(1,246)
Debt securities, Estimated Fair Value	20,105	20,496
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	28,524	29,194
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(4,739)	(5,157)
Debt securities, Estimated Fair Value	23,785	24,037
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	3,413	3,414
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(125)	(186)
Debt securities, Estimated Fair Value	3,288	3,228
Collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Debt securities, Cost or Amortized Cost	3,834	4,102
Debt securities, Gross Unrealized Gain	0	0
Debt securities, Gross Unrealized Losses	(479)	(535)
Debt securities, Estimated Fair Value	$ 3,355	$ 3,567

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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-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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