Share-Based Compensation Arrangements (Share Options Activity) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Share Options:
Options outstanding at beginning of period	371,890
Granted	49,000	57,700	53,700
Exercised	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period	(11,033)
Options outstanding at end of period	409,857	371,890
Options exercisable at end of period	253,257
Weighted Average Exercise Price (in dollars per share):
Options outstanding at beginning of period	$ 46.67
Granted	26.42
Exercised	0
Forfeited or expired	36.53
Options outstanding at end of period	44.52	$ 46.67
Options exercisable at end of period	$ 45.09
Outstanding Weighted Average Remaining Contractual Term	6 years 4 months 2 days
Exercisable Weighted Average Remaining Contractual Term	4 years 9 months 29 days
Outstanding Aggregate Intrinsic Value	$ 303
Exercisable Aggregate Intrinsic Value	$ 11

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.