Investment Securities, Maturities (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Available-for-Sale, Amortized Cost
Due within one year	$ 7,476,000
Due from one to five years	87,421,000
Due from five to ten years	113,868,000
Due after ten years	1,030,000
Amortized Cost Basis	209,795,000
Amortized Cost	308,153,000	$ 203,966,000
Available-for-Sale, Fair Value
Due within one year	7,563,000
Due from one to five years	88,315,000
Due from five to ten years	113,528,000
Due after ten years	1,016,000
Total available-for-sale, maturities	210,422,000
Fair Value	310,515,000	209,471,000
Held-to-Maturity, Amortized Cost
Due within one year	1,830,000
Due from one to five years	5,641,000
Due from five to ten years	2,038,000
Due after ten years	14,733,000
Amortized Cost	24,242,000	24,810,000
Held-to-Maturity, Fair Value
Due within one year	1,837,000
Due from one to five years	5,688,000
Due from five to ten years	2,066,000
Due after ten years	14,798,000
Held-to-maturity, fair value	24,389,000	24,960,000
Available-for-sale securities pledged as collateral	142,938,000	118,599,000
U.S. Agency mortgage-backed securities [Member]
Available-for-Sale, Amortized Cost
Amortized Cost	98,358,000	88,455,000
Available-for-Sale, Fair Value
Fair Value	100,093,000	$ 91,634,000
Held-to-Maturity, Amortized Cost
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-maturity, fair value	$ 0