Fair Value Measurements (Narrative) (Details)	12 Months Ended
Dec. 31, 2023 Number
Fair Value Measurements [Abstract]
Number of private companies which entity has investments in common equity securities	2

The number of private companies which entity has investments made in common equity securities.

No definition available.

Name:	else_NumberOfPrivateCompaniesWhichEntityHasInvestmentsInCommonEquitySecurities
Namespace Prefix:	else_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration