Organization - Additional Information (Detail) - $ / shares	May 05, 2019	Jan. 03, 2017
Park Intermediate Holdings LLC [Member]
Organization [Line Items]
Percentage of ownership interest		100.00%
Chesapeake Lodging Trust [Member]
Organization [Line Items]
Business acquisition,par value per common share	$ 0.01
Business acquisition, cash consideration transferred, per share	$ 11.00
Business acquisition, consideration transferred number of shares per share	0.628
Fractional shares of common stock to be issued in merger agreement	0

Business acquisition consideration transferred shareholders cash per share.

No definition available.

Name:	pk_BusinessAcquisitionConsiderationTransferredShareholdersCashPerShare
Namespace Prefix:	pk_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Business acquisition consideration transferred shareholders number of shares per share.

No definition available.

Name:	pk_BusinessAcquisitionConsiderationTransferredShareholdersNumberOfSharesPerShare
Namespace Prefix:	pk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Business acquisition fractional shares of common stock to be issued.

No definition available.

Name:	pk_BusinessAcquisitionFractionalSharesOfCommonStockToBeIssued
Namespace Prefix:	pk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Organization.

No definition available.

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

No definition available.

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

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Name:	srt_OwnershipAxis=pk_ParkIntermediateHoldingsLimitedLiabilityCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_BusinessAcquisitionAxis=pk_ChesapeakeLodgingTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: