Prepaid And Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid And Other Assets [Abstract]
Prepaid expenses	$ 2,295	$ 1,859
Prepaid taxes	2,025	1,687
Income taxes receivable	61
Prepaid rent	1,256
Deposits	242	233
Other receivables	11
Interest receivable		8
Investment in marketable securities	15	17
Total prepaid and other current assets	5,905	3,804
Other non-cinema and non-rental real estate assets	1,134	1,134
Investment in Reading International Trust I	838	838
Straight-line rent asset	8,442	8,302
Long-term deposits	8	10
Total other non-current assets	$ 10,422	$ 10,284