Investments Amortized Cost, Gross Unrealized Gains and Losses, and Estimated Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 17,269	$ 12,432
Gross Unrealized Gains	72	1
Gross Unrealized Losses	32	173
Estimated Fair Value	17,309	12,260
U.S. government, government agencies and authorities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,544	5,594
Gross Unrealized Gains	59	1
Gross Unrealized Losses	9	48
Estimated Fair Value	11,594	5,547
States, municipalities and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	603	621
Gross Unrealized Gains	1	0
Gross Unrealized Losses	2	14
Estimated Fair Value	602	607
Mortgage-backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,137	3,256
Gross Unrealized Gains	2	0
Gross Unrealized Losses	17	70
Estimated Fair Value	2,122	3,186
Corporate
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,985	2,961
Gross Unrealized Gains	10	0
Gross Unrealized Losses	4	41
Estimated Fair Value	$ 2,991	$ 2,920

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).

+ References

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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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-Publisher FASB
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Amount of 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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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