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Investment Securities - Schedule of Investment Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Investment securities available-for-sale, Amortized Cost	$ 23,791	$ 3,806
Investment securities available-for-sale, Gross Unrealized Gains	327	13
Investment securities available-for-sale, Gross Unrealized Losses	(113)	(1)
Investment securities available-for-sale, Estimated Fair Value	24,005	3,818
U.S. Government Sponsored Enterprises
Schedule Of Available For Sale Securities [Line Items]
Investment securities available-for-sale, Amortized Cost	11,870	501
Investment securities available-for-sale, Gross Unrealized Gains	1
Investment securities available-for-sale, Gross Unrealized Losses	(12)	(1)
Investment securities available-for-sale, Estimated Fair Value	11,859	500
Government Agency Mortgage-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available-for-sale, Amortized Cost	9,206	3,305
Investment securities available-for-sale, Gross Unrealized Gains	326	13
Investment securities available-for-sale, Estimated Fair Value	9,532	$ 3,318
Trust Preferred Securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available-for-sale, Amortized Cost	2,715
Investment securities available-for-sale, Gross Unrealized Losses	(101)
Investment securities available-for-sale, Estimated Fair Value	$ 2,614

X

- Definition

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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