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Investments Securities - Amortized Cost and Fair Values of Investments in Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Available-for-sale
Amortized Cost	$ 100,268	$ 35,322
Gross Unrealized Gains	0	6
Gross Unrealized Losses	(2,647)	(1)
Fair Value	97,621	35,327
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Amortized Cost	1,250	1,296
Fair Value	1,132
Amortized Cost	101,518	36,618
Gross Unrealized Gains	0	58
Gross Unrealized Losses	(2,765)	(1)
Fair Value	98,753	36,675
U.S. Treasury securities
Available-for-sale
Amortized Cost	99,960	34,999
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2,644)	(1)
Fair Value	97,316	34,998
U.S. Agency collateralized mortgage obligations
Available-for-sale
Amortized Cost	57	68
Gross Unrealized Gains	0	2
Gross Unrealized Losses	(3)	0
Fair Value	54	70
Municipal bonds
Available-for-sale
Amortized Cost	250	252
Gross Unrealized Gains	0	4
Gross Unrealized Losses	0	0
Fair Value	250	256
U.S. Agency residential mortgage-backed securities
Available-for-sale
Amortized Cost	1	3
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	1	3
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Amortized Cost	1,250	1,296
Gross Unrealized Gains	0	52
Gross Unrealized Losses	(118)	0
Fair Value	$ 1,132	$ 1,348

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