Investments - Available for Sale Investments (Details) $ in Thousands	Mar. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Available for sale investments
Number of unrealized loss positions \| security	223	51
Available for sale investments
Amortized Cost	$ 274,864	$ 211,278
Gross Unrealized Gains	6,465	5,990
Gross Unrealized Losses	(7,971)	(117)
Fair Value	273,358	217,151
Amortized Cost	21,459	21,336
Equity securities at fair value	22,876	22,328
U.S. Governments
Available for sale investments
Amortized Cost	16,623	13,371
Gross Unrealized Gains	927	321
Gross Unrealized Losses		(13)
Fair Value	17,550	13,679
States, territories, and possession
Available for sale investments
Amortized Cost	2,836	2,298
Gross Unrealized Gains	208	147
Fair Value	3,044	2,445
Political subdivisions
Available for sale investments
Amortized Cost	2,304	1,913
Gross Unrealized Gains	45	29
Gross Unrealized Losses	(16)
Fair Value	2,333	1,942
Special revenue excluding mortgage/asset-backed securities
Available for sale investments
Amortized Cost	26,982	18,139
Gross Unrealized Gains	686	343
Gross Unrealized Losses	(229)	(46)
Fair Value	27,439	18,436
Industrial and miscellaneous
Available for sale investments
Amortized Cost	167,292	124,726
Gross Unrealized Gains	3,296	4,326
Gross Unrealized Losses	(5,503)	(39)
Fair Value	165,085	129,013
Mortgage/asset-backed securities
Available for sale investments
Amortized Cost	58,827	50,831
Gross Unrealized Gains	1,303	824
Gross Unrealized Losses	(2,223)	(19)
Fair Value	$ 57,907	$ 51,636

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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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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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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