The number of units available for sale in a stock transaction.

No definition available.

Name:	ldha_NumberOfUnitsAuthorizedForSale
Namespace Prefix:	ldha_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of securities into which each unit may be converted. For example, but not limited to, each unit may be converted into two shares of common stock.

+ References

No definition available.

+ Details

Name:	ldha_UnitsNumberOfSecuritiesCalledByUnits
Namespace Prefix:	ldha_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ldha_RedeemableWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ldha_ForwardPurchaseArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=ldha_ForwardPurchaseUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_InvestorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions, Forward Purchase Agreement (Details) - USD ($)			9 Months Ended
	Mar. 23, 2021	Mar. 18, 2021	Sep. 30, 2021
Related Party Transactions [Abstract]
Exercise price of warrant (in dollars per share)			$ 11.50
Gross proceeds from issuance of units	$ 7,900,000		$ 7,900,000
Class A Ordinary Shares [Member]
Related Party Transactions [Abstract]
Number of securities called by each Unit (in shares)	1
Number of shares issued upon exercise of warrant (in shares)	1		1
Public Warrants [Member]
Related Party Transactions [Abstract]
Number of securities called by each Unit (in shares)	0.20
Exercise price of warrant (in dollars per share)	$ 11.50
Forward Purchase Agreement [Member] \| Class A Ordinary Shares [Member]
Related Party Transactions [Abstract]
Number of securities called by each Unit (in shares)		1	1
Number of shares issued upon exercise of warrant (in shares)		1	1
Forward Purchase Agreement [Member] \| Forward Purchase Units [Member]
Related Party Transactions [Abstract]
Number of units available for purchase (in shares)		5,000,000	50,000,000
Exercise price of warrant (in dollars per share)		$ 10.00
Forward Purchase Agreement [Member] \| Forward Purchase Units [Member] \| Sponsor [Member]
Related Party Transactions [Abstract]
Gross proceeds from issuance of units		$ 50,000,000.0
Forward Purchase Agreement [Member] \| Public Warrants [Member]
Related Party Transactions [Abstract]
Number of securities called by each Unit (in shares)		0.20	0.20