Securities - Realized Gains and Losses (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($) security segment	Dec. 31, 2019 USD ($) security
Schedule of Investments
Realized gains	$ 44	$ 317	$ 35
Realized losses	0	0	0
Securities realized gain (loss)	44	317	$ 35
Available-for-sale securities pledged as collateral	$ 1,200	$ 1,600
2 Mortgage Backed Securities | Mortgage-backed securities
Schedule of Investments
Number of securities sold | security			2
Book value			$ 3,500
Securities realized gain (loss)			$ 64
2 SBA Securities | SBA Securities
Schedule of Investments
Number of securities sold | security			2
Book value			$ 2,100
Securities realized gain (loss)			$ (29)
1 Security Sold | Municipal Securities
Schedule of Investments
Number of securities sold | security		1
Book value		$ 381
Securities realized gain (loss)		$ 27
1 Security Sold | Taxable Municipal Securities
Schedule of Investments
Number of securities sold | security		1
Book value		$ 456
Securities realized gain (loss)		$ 140
3 Mortgage Backed Securities | Mortgage-backed securities
Schedule of Investments
Number of securities sold | segment		3
Book value		$ 2,800
Securities realized gain (loss)		$ 57
2 Corporate Bonds | Corporate Bond Securities
Schedule of Investments
Number of securities sold | security		2
Book value		$ 2,700
Securities realized gain (loss)		$ 77
6 Corporate Bonds | Corporate Bond Securities
Schedule of Investments
Number of securities sold | security	6
Book value	$ 7,000
Securities realized gain (loss)	$ 39
1 Security Called | Taxable Municipal Securities
Schedule of Investments
Number of securities sold | security	1
Book value	$ 496
Securities realized gain (loss)	$ 5
3 Security call | Municipal Securities
Schedule of Investments
Number of securities sold | security		3
Book value		$ 1,800
Securities realized gain (loss)		$ 16