PS Business Parks, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Real Estate Facilities (Narrative) (Details)

Real Estate Facilities (Narrative) (Details) $ in Thousands							3 Months Ended		9 Months Ended
Real Estate Facilities (Narrative) (Details) $ in Thousands	Oct. 19, 2021 USD ($) ft²	Sep. 17, 2021 USD ($) ft²	Jul. 16, 2021 USD ($) ft²	Jun. 17, 2021 USD ($) ft²	Sep. 16, 2020 USD ($) ft² item	Jan. 07, 2020 USD ($) ft²	Sep. 30, 2021 USD ($) ft² a	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) ft² a property	Sep. 30, 2020 USD ($)	Sep. 01, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Jan. 10, 2020 USD ($) ft²
Real Estate Facilities [Line Items]
Area of land (in acres) \| a							44.5		44.5
Rentable area (in square feet) \| ft²							28,100,000		28,100,000
Committed transaction costs for executed leases									$ 10,500
Purchase price							$ 123,268	$ 13,513	123,268	$ 13,513
Gross real estate investment property							3,072,157		3,072,157			$ 2,924,660
Estimated development costs							51,000		51,000
Proceeds from sale of real estate facilities									76,566	40,674
Gain on sale of real estate facilities							$ 29,924	$ 7,652	$ 49,117	$ 27,273
Grapevine Acquisition [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²											718,000
Purchase price											$ 123,300
La Mirada Acquisition [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²													73,000
Purchase price													$ 13,500
Metro Park North [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²						113,000
Proceeds from sale of real estate facilities						$ 29,300
Gain on sale of real estate facilities						$ 19,600
Industrial Property [Member]
Real Estate Facilities [Line Items]
Area of real estate property (in square feet) \| ft²							83,000		83,000
Development costs incurred							$ 8,100		$ 8,100
Gross real estate investment property							$ 9,100		$ 9,100
Highgate at the Mile [Member]
Real Estate Facilities [Line Items]
Number of units developed \| property									395
Area of land (in acres) \| a							5		5
Highgate at the Mile [Member] \| Investment in Joint Venture [Member]
Real Estate Facilities [Line Items]
Economic interest in joint venture, percentage							95.00%		95.00%
Highgate at the Mile [Member] \| JV Partner [Member]
Real Estate Facilities [Line Items]
Economic interest in joint venture, percentage							5.00%		5.00%
Irving, TX [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²		22,000
Proceeds from sale of real estate facilities		$ 3,400
Gain on sale of real estate facilities		$ 2,900
Redmond, WA [Member] \| Industrial Property [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²					40,000
Number of buildings sold \| item					2
Proceeds from sale of real estate facilities					$ 11,400
Gain on sale of real estate facilities					$ 7,700
Chantilly, VA [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²				198,000
Proceeds from sale of real estate facilities				$ 32,600
Gain on sale of real estate facilities				$ 19,200
Herndon, VA [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²			244,000
Gross real estate investment property			$ 40,500
Gain on sale of real estate facilities			$ 27,000
San Diego, CA [Member] \| Subsequent Event [Member]
Real Estate Facilities [Line Items]
Rentable area (in square feet) \| ft²	371,000
Purchase price	$ 315,400
Proceeds from sale of real estate facilities	$ 311,100