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Securities (Narrative) (Details)	9 Months Ended		21 Months Ended
	Sep. 30, 2021 USD ($) security	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) security	Dec. 31, 2020 USD ($)
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment | security	59		59
Securities available-for-sale, at fair value	$ 152,298,000		$ 152,298,000	$ 90,185,000
Debt Securities, Held-to-maturity, Sale			$ 0
Sales of available for sale securities	$ 0	$ 13,312,000
Marketable Securities, Realized Gain (Loss)		$ 644,000
US Agency Obligations [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment | security	22		22
Securities available-for-sale, at fair value	$ 58,029,000		$ 58,029,000	41,320,000
Municipals [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities available-for-sale, at fair value	$ 45,956,000		$ 45,956,000	$ 24,773,000
S&P Rated AAA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment | security	23		23
S&P Rated AA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment | security	33		33

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Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and 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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-SubTopic 210
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