Fair Value Measurements (Fair Value Measurement and Assumptions) (Details) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Assumptions used in discounted cash flow model to determine fair value of investments classified within level 3
Doubtful and Impaired commercial collateral dependent loans	$ 1,030,000	$ 1,030,000	$ 993,000
Impaired commercial collateral dependent receivables appraisals to determine fair value within immediately preceding twelve months	0	0	0
Impaired collateral dependent commercial loans with internal evaluation completed within last twelve months	1,030,000	1,030,000	896,000
Charges to allowance for probable loan losses in connection with other real estate owned	0	0	2,000
Adjustment to fair value in connection with other real estate owned	16,000	16,000	2,655,000
Fair Value, Measurements, Nonrecurring [Member]
Assumptions used in discounted cash flow model to determine fair value of investments classified within level 3
Change in net provision, impaired loans	29,000	29,000	209,000
Change in net provision, other real estate owned	16,000	16,000	2,655,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Watch-List doubtful loans	105,000	105,000	55,000
Non-financial assets:
Other real estate owned	144,000	144,000	18,095,000
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member]
Assets:
Watch-List doubtful loans	105,000	105,000	55,000
Non-financial assets:
Other real estate owned	$ 144,000	$ 144,000	$ 18,095,000