XML 55 R28.htm IDEA: XBRL DOCUMENT v3.21.1

Fair Value Measurements (Details) - Schedule of value assets measured on recurring basis	Dec. 31, 2020 USD ($)
Level 1 [Member]
Fair Value Measurements (Details) - Schedule of value assets measured on recurring basis [Line Items]
Cash and marketable securities held in trust account	$ 250,052,906

X

- References

No definition available.

+ Details

Name:	empw_FairValueMeasurementsDetailsScheduleofvalueassetsmeasuredonrecurringbasisLineItems
Namespace Prefix:	empw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: