v3.21.1

Document And Entity Information	Jun. 08, 2021
Document Information [Line Items]
Entity, Registrant Name	WASHINGTON PRIME GROUP INC.
Document, Type	8-K
Document, Period End Date	Jun. 08, 2021
Entity, Incorporation, State or Country Code	IN
Entity, File Number	001-36252
Entity, Tax Identification Number	46-4323686
Entity, Address, Address Line One	180 East Broad Street
Entity, Address, City or Town	Columbus
Entity, Address, State or Province	OH
Entity, Address, Postal Zip Code	43215
City Area Code	614
Local Phone Number	621-9000
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity, Emerging Growth Company	false
Amendment Flag	false
Entity, Central Index Key	0001594686
CommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock
Trading Symbol	WPG
Security Exchange Name	NYSE
SeriesHCumulativeRedeemablePreferredStock75 Custom [Member]
Document Information [Line Items]
Title of 12(b) Security	7.5% Series H Cumulative Redeemable Preferred Stock
Trading Symbol	WPGPRH
Security Exchange Name	NYSE
SeriesICumulativeRedeemablePreferredStock6875 Custom [Member]
Document Information [Line Items]
Title of 12(b) Security	6.875% Series I Cumulative Redeemable Preferred Stock
Trading Symbol	WPGPRI
Security Exchange Name	NYSE
Washington Prime Group L.P.
Document Information [Line Items]
Entity, Registrant Name	WASHINGTON PRIME GROUP, L.P.
Entity, Central Index Key	0001610911

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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WASHINGTON PRIME GROUP INC. 8-K