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Investment Securities - Comparison of Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 161,145	$ 81,448
Gross Unrealized Gains	1,491	1,134
Gross Unrealized Losses	(904)	(241)
Fair Value (Carrying Amount)	161,732	82,341
U.S. Government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	35,830	33,800
Gross Unrealized Gains	289	142
Gross Unrealized Losses	(81)	(232)
Fair Value (Carrying Amount)	36,038	33,710
U.S. Government sponsored entities & agencies collateralized by mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	64,720	37,732
Gross Unrealized Gains	454	722
Gross Unrealized Losses	(142)	(9)
Fair Value (Carrying Amount)	65,032	38,445
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,674	3,871
Gross Unrealized Gains	22	38
Gross Unrealized Losses	0	0
Fair Value (Carrying Amount)	4,696	3,909
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	50,921	1,045
Gross Unrealized Gains	217	13
Gross Unrealized Losses	(681)	0
Fair Value (Carrying Amount)	50,457	1,058
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,000	5,000
Gross Unrealized Gains	509	219
Gross Unrealized Losses	0	0
Fair Value (Carrying Amount)	$ 5,509	$ 5,219

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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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