Commitments and contingencies.

No definition available.

Name:	lq_CommitmentsAndContingenciesLineItems
Namespace Prefix:	lq_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Committed cost to provide certain incentive payments, reimbursements, rebates, and other payments.

+ References

No definition available.

+ Details

Name:	lq_FranchiseCommitmentsRemaining
Namespace Prefix:	lq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

IRS proposed adjustment in draft notice.

+ References

No definition available.

+ Details

Name:	lq_IRSProposedAdjustmentInDraftNotice
Namespace Prefix:	lq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Imposed tax rate on REIT.

+ References

No definition available.

+ Details

Name:	lq_ImposedTaxRateOnReit
Namespace Prefix:	lq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of excise tax would be imposed on real estate investment trust equal to excess rent.

+ References

No definition available.

+ Details

Name:	lq_PercentageOfExciseTaxWouldBeImposedOnRealEstateInvestmentTrustEqualToExcessRent
Namespace Prefix:	lq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Proposed adjustment to transfer-pricing related assessment.

+ References

No definition available.

+ Details

Name:	lq_ProposedAdjustmentToTransferPricingRelatedAssessment
Namespace Prefix:	lq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

+ Details

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

- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(19))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(17))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(25))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=us-gaap_TaxYear2013Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Jul. 07, 2014	Dec. 31, 2017	Dec. 31, 2016
Commitments And Contingencies [Line Items]
Operating Loss Carryforwards		$ 26.1	$ 26.1
Purchase commitments		51.2
Outstanding commitments owed to various franchisees		$ 28.7
Internal Revenue Service (IRS) [Member]
Commitments And Contingencies [Line Items]
Notice of taxable adjustment from IRS	$ 158.0
Operating Loss Carryforwards	$ 89.0
Tax rate impose on REIT, federal and state tax authorities	100.00%
Percentage of excise tax would be imposed on real estate investment trust equal to excess rent		100.00%
Internal Revenue Service (IRS) [Member] \| Tax Year 2013 [Member]
Commitments And Contingencies [Line Items]
Proposed adjustment to transfer-pricing related assessment		$ 18.0