Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Line Items]
Common stock, shares authorized			50,000,000
Common stock, no par value			$ 0
Preferred stock, shares authorized			10,000,000
Preferred stock, no par value			$ 0
Preferred stock dividends	$ 18,000	$ 18,000
Preferred stock, dividends, per share, cash paid	$ 30	$ 30
Common Stock [Member]
Earnings Per Share [Line Items]
Shares, outstanding	12,962,032	13,284,998	12,886,977	13,231,522	13,131,672	13,422,692
Preferred stock dividends			$ 0	$ 0
Series A preferred stock [Member]
Earnings Per Share [Line Items]
Preferred stock, shares issued			600,000		600,000
Preferred stock, shares outstanding			600,000		600,000