Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details 1) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Cash and Cash Equivalents	$ 53,223		$ 61,464	$ 75,389
Restricted Cash Equivalents	1,723			1,427
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 54,946	$ 58,560	$ 63,169	$ 76,816	$ 75,555	$ 58,289