Benefit Plans (Components of shares eligible to be issued under the Directors Plan) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Eligible shares, unissued	154,879	105,654
Director [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Eligible shares, unissued	52,961	83,710
Eligible shares, shares held in Rabbi Trust	154,879	105,654
Eligible shares, total	207,840	189,364
Market value, unissued	$ 1,245	$ 2,135
Market value, shares held in Rabbi Trust	3,640	2,694
Market value, total	$ 4,885	$ 4,829