Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash and Cash Equivalents [Abstract]
Cash	$ 49,789	$ 57,008
Cash equivalents	47,609	70,689
Restricted cash - letters of credit	6,938	6,927
Total cash and cash equivalents	$ 104,336	$ 134,624	$ 112,703	$ 113,975