Investments - Available for Sale Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Available for sale investments
Amortized Cost	$ 561,580	$ 426,122
Gross Unrealized Gains	407	9,265
Gross Unrealized Losses	(46,923)	(2,705)
Fair Value	515,064	432,682
U.S. Governments
Available for sale investments
Amortized Cost	50,802	16,713
Gross Unrealized Gains	2	347
Gross Unrealized Losses	(2,253)	(190)
Fair Value	48,551	16,870
States, territories, and possessions
Available for sale investments
Amortized Cost	5,857	3,789
Gross Unrealized Gains	49	288
Gross Unrealized Losses	(552)	(63)
Fair Value	5,354	4,014
Political subdivisions
Available for sale investments
Amortized Cost	4,919	6,295
Gross Unrealized Gains		107
Gross Unrealized Losses	(621)	(22)
Fair Value	4,298	6,380
Special revenue excluding mortgage/asset-backed securities
Available for sale investments
Amortized Cost	37,260	43,301
Gross Unrealized Gains	26	1,273
Gross Unrealized Losses	(4,487)	(76)
Fair Value	32,799	44,498
Industrial and miscellaneous
Available for sale investments
Amortized Cost	278,164	245,064
Gross Unrealized Gains	79	5,873
Gross Unrealized Losses	(24,148)	(1,891)
Fair Value	254,095	249,046
Mortgage/asset-backed securities
Available for sale investments
Amortized Cost	184,578	110,960
Gross Unrealized Gains	251	1,377
Gross Unrealized Losses	(14,862)	(463)
Fair Value	$ 169,967	$ 111,874

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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