Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Name:	us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Leasehold Improvements and Equipment (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 4,318	$ 4,425
Asset not yet in service [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 1,716		$ 1,715