No definition available.

Name:	blng_FairValueMeasurementsDetailsScheduleofchangesinthefairvalueoflevel3warrantliabilitiesLineItems
Namespace Prefix:	blng_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value.

+ References

No definition available.

+ Details

Name:	blng_FairValues
Namespace Prefix:	blng_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Initial measurement.

+ References

No definition available.

+ Details

Name:	blng_InitialMeasurement
Namespace Prefix:	blng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

+ References

+ Details

Name:	us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of asset after deduction of liability.

+ References

No definition available.

+ Details

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

- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612

+ Details

Name:	us-gaap_FairValueOptionChangesInFairValueGainLoss1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=blng_PublicWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities - USD ($)	5 Months Ended	7 Months Ended
	Dec. 31, 2021	Jul. 27, 2021
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Fair value as of Beginning
Initial measurement on July 27, 2021		7,308,500
Fair value as of July 27, 2021		7,308,500
Change in fair value	$ (3,032,250)
Private Placement Warrants [Member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Fair value as of Beginning
Initial measurement on July 27, 2021		258,500
Fair value as of July 27, 2021		258,500
Change in fair value	(107,250)
Public Warrants {member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Fair value as of Beginning
Initial measurement on July 27, 2021		7,050,000
Fair value as of July 27, 2021		$ 7,050,000
Change in fair value	(2,925,000)
Transfer to level 1 [Member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 1	(4,125,000)
Transfer to level 1 [Member] \| Private Placement Warrants [Member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 1
Transfer to level 1 [Member] \| Public Warrants {member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 1	(4,125,000)
Transfer to level 2 [Member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 1	151,250
Transfer to level 2	(151,250)
Fair value as of Ending
Transfer to level 2 [Member] \| Private Placement Warrants [Member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 2	(151,250)
Fair value as of Ending
Transfer to level 2 [Member] \| Public Warrants {member]
Fair Value Measurements (Details) - Schedule of changes in the fair value of level 3 warrant liabilities [Line Items]
Transfer to level 2
Fair value as of Ending