Investment Securities (Summary of Amortized Cost of Investment Securities Classified as Available-For-Sale and their Approximate Fair Values) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 33,015	$ 41,195
Gross Unrealized Gains	1,417	666
Gross Unrealized Losses	11	71
Fair Value	34,421	41,790
State And Municipal Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,225	10,808
Gross Unrealized Gains	605	398
Fair Value	10,830	11,206
Asset-Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,704	5,433
Gross Unrealized Gains	321	71
Gross Unrealized Losses		4
Fair Value	5,025	5,500
Government Mortgage-Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	18,086	24,954
Gross Unrealized Gains	491	197
Gross Unrealized Losses	11	67
Fair Value	$ 18,566	$ 25,084

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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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
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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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