Fair Value Measurements and Fair Value of Financial Instruments (Narrative) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Impaired loans	$ 22,624,000	$ 14,591,000
Valuation allowance	$ 7,828,000	$ 4,461,000

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant