Regulatory Capital Requirements (Tables)	12 Months Ended
	Dec. 31, 2021
Regulatory Capital Requirements [Abstract]
Reconciliation of GAAP Capital to Regulatory Tier 1 and Total Capital	December 31, 2021 2020 (Dollars in thousands) GAAP (Equity) Capital: $ 85,223 $ 82,782Plus: Unrealized gains on available-for-sale debt securities, net of tax (978) (2,148)Less: Additional tier 1 capital deductions - - Tier 1 Capital and CET1 Capital $ 84,245 $ 80,634