Organization And Summary Of Significant Accounting Policies (Narrative) (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023 USD ($) entity	Dec. 31, 2022 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of subsidiaries | entity	2
Total Stockholders’ Equity	$ 150,935	$ 153,993	$ 159,484	$ 149,851	$ 162,675	$ 183,892
Retained Earnings [Member]
Total Stockholders’ Equity	$ 128,468	123,356	$ 128,465	$ 117,319	$ 114,982	$ 108,024
Retained Earnings [Member] | ASU 2016-13 [Member]
Increase to allowance credit losses		2,700
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]
Total Stockholders’ Equity		(2,026)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member] | ASU 2016-13 [Member]
Total Stockholders’ Equity		$ (2,026)