Basis of Presentation and Significant Accounting Policies (Schedule of Cash and Cash Equivalents and Restricted Cash) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Cash and cash equivalents	$ 16,579	$ 19,291	$ 28,811	$ 37,412
Restricted cash (included in Other assets, net)	1,916	2,225	2,903	2,073
Cash and cash equivalents and restricted cash	$ 18,495	$ 21,516	$ 31,714	$ 39,485