Investments - Available for Sale Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Available for sale investments
Amortized Cost	$ 513,166	$ 426,122
Gross Unrealized Gains	263	9,265
Gross Unrealized Losses	(34,952)	(2,705)
Fair Value	478,477	432,682
U.S. Governments
Available for sale investments
Amortized Cost	46,397	16,713
Gross Unrealized Gains	3	347
Gross Unrealized Losses	(1,232)	(190)
Fair Value	45,168	16,870
States, territories, and possessions
Available for sale investments
Amortized Cost	5,866	3,789
Gross Unrealized Gains	74	288
Gross Unrealized Losses	(360)	(63)
Fair Value	5,580	4,014
Political subdivisions
Available for sale investments
Amortized Cost	6,744	6,295
Gross Unrealized Gains	7	107
Gross Unrealized Losses	(707)	(22)
Fair Value	6,043	6,380
Special revenue excluding mortgage/asset-backed securities
Available for sale investments
Amortized Cost	43,126	43,301
Gross Unrealized Gains	5	1,273
Gross Unrealized Losses	(4,154)	(76)
Fair Value	38,977	44,498
Corporate and other
Available for sale investments
Amortized Cost	265,896	245,064
Gross Unrealized Gains	121	5,873
Gross Unrealized Losses	(19,610)	(1,891)
Fair Value	246,407	249,046
Mortgage/asset-backed securities
Available for sale investments
Amortized Cost	145,137	110,960
Gross Unrealized Gains	53	1,377
Gross Unrealized Losses	(8,889)	(463)
Fair Value	$ 136,301	$ 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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