GENERAL (Details) $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($)
Accounting Policies [Abstract]
Decrease of general and administrative expenses	$ 17.5

Increase (Decrease) In General And Administrative Expenses

No definition available.

Name:	tell_IncreaseDecreaseInGeneralAndAdministrativeExpenses
Namespace Prefix:	tell_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration