Discontinued Operations (Details) (USD $)	3 Months Ended										12 Months Ended
	Dec. 31, 2012 sqft		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011 sqft		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012 sqft		Dec. 31, 2011 sqft		Dec. 31, 2010 sqft	Jan. 17, 2013 sqft	Mar. 09, 2012 sqft	Feb. 10, 2012 sqft
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Feet (in square feet)	3,978,000					3,711,000					3,978,000		3,711,000		163,000
Net Sales Price	$ 382,126,000					$ 455,917,000					$ 382,126,000		$ 455,917,000		$ 14,924,000
Net Book Value of Real Estate	369,187,000					438,092,000					369,187,000		438,092,000		6,406,000
Gain on Sale											12,939,000		17,825,000		8,518,000
Impairment loss on real estate discontinued operations											107,839,000		86,221,000		0
Non-cash impairment loss											9,200,000		6,420,000		0
Number of office buildings sold	43										43
Area of real estate property (in square feet)	11,900,000										11,900,000					260,000	337,000	300,000
Revenues and expenses for office properties reported in discontinued operations [Abstract]
Income from office and parking properties											13,752,000		135,964,000		162,057,000
Total Revenues											13,752,000		135,964,000		162,057,000
Expenses [Abstract]
Operating expenses											6,525,000		61,424,000		69,930,000
Management company expense											350,000		288,000		380,000
Interest expense											5,199,000		29,794,000		34,693,000
Gain on extinguishment of debt											(1,494,000)		(7,635,000)		0
Non-cash expense on interest rate swap											(215,000)		2,338,000		0
Depreciation and amortization											933,000		54,628,000		63,815,000
Impairment loss											0		189,940,000		4,120,000
Total Expenses											11,298,000		330,777,000		172,938,000
Income (loss) from discontinued operations	(85,000)		(330,000)	(524,000)	3,393,000	(56,279,000)		(131,780,000)	(3,965,000)	(2,790,000)	2,454,000		(194,813,000)		(10,881,000)
Gain on sale of real estate from discontinued operations											12,939,000		17,825,000		8,518,000
Total discontinued operations											15,393,000		(176,988,000)		(2,363,000)
Net income (loss) attributable to noncontrolling interest from discontinued operations											(4,184,000)		75,836,000		7,221,000
Total discontinued operations - Parkway's Share											11,209,000		(101,152,000)		4,858,000
One Park Ten [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location															Houston, TX
Square Feet (in square feet)															163,000
Date of Sale															04/15/2010
Net Sales Price															14,924,000
Net Book Value of Real Estate															6,406,000
Gain on Sale															8,518,000
Impairment loss on real estate discontinued operations															0
Expenses [Abstract]
Gain on sale of real estate from discontinued operations															8,518,000
233 North Michigan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Chicago, IL							Chicago, IL
Square Feet (in square feet)						1,070,000							1,070,000
Date of Sale						05/11/2011							05/11/2011
Net Sales Price						156,546,000							156,546,000
Net Book Value of Real Estate						152,254,000							152,254,000
Gain on Sale													4,292,000
Impairment loss on real estate discontinued operations													0
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													4,292,000
Greenbrier I & II [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Hampton Roads, VA							Hampton Roads, VA
Square Feet (in square feet)						172,000							172,000
Date of Sale						07/19/2011							07/19/2011
Net Sales Price						16,275,000							16,275,000
Net Book Value of Real Estate						15,070,000							15,070,000
Gain on Sale													1,205,000
Impairment loss on real estate discontinued operations													0
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													1,205,000
Glen Forest [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Richmond, VA							Richmond, VA
Square Feet (in square feet)						81,000							81,000
Date of Sale						08/16/2011							08/16/2011
Net Sales Price						8,950,000							8,950,000
Net Book Value of Real Estate						7,880,000							7,880,000
Gain on Sale													1,070,000
Impairment loss on real estate discontinued operations													0
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													1,070,000
Tower at Gervais [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Columbia, SC	[1]						Columbia, SC	[1]
Square Feet (in square feet)						298,000	[1]						298,000	[1]
Date of Sale						09/08/2011	[1]						09/08/2011	[1]
Net Sales Price						18,421,000	[1]						18,421,000	[1]
Net Book Value of Real Estate						18,421,000	[1]						18,421,000	[1]
Gain on Sale													0	[1]
Impairment loss on real estate discontinued operations													6,147,000	[1]
Non-cash impairment loss													2,700,000		3,400,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													0	[1]
Sugar Grove [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Houston, TX										Houston, TX
Square Feet (in square feet)	124,000										124,000
Date of Sale	10/23/2012										10/23/2012
Net Sales Price	10,303,000										10,303,000
Net Book Value of Real Estate	7,057,000										7,057,000
Gain on Sale											3,246,000
Impairment loss on real estate discontinued operations											0
Area of real estate property (in square feet)	124,000										124,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											3,246,000
Wells Fargo [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Houston, TX							Houston, TX
Square Feet (in square feet)						134,000							134,000
Date of Sale						12/09/2011							12/09/2011
Net Sales Price						0							0
Net Book Value of Real Estate						0							0
Gain on Sale													0
Impairment loss on real estate discontinued operations													11,561,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													0
Falls Pointe [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Atlanta, GA										Atlanta, GA
Square Feet (in square feet)	107,000										107,000
Date of Sale	01/06/2012										01/06/2012
Net Sales Price	5,824,000										5,824,000
Net Book Value of Real Estate	4,467,000										4,467,000
Gain on Sale											1,357,000
Impairment loss on real estate discontinued operations											0
Area of real estate property (in square feet)	107,000										107,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											1,357,000
Additional Assets Sold [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross proceeds from sale of real estate discontinued operations	168,800,000										168,800,000
Number of real estate properties sold	4										4
Net proceeds from the sale											14,800,000
Subsequent Event [Line Items]
Gross Proceeds From Sale of Real Estate Discontinued Operations	168,800,000										168,800,000
111 East Wacker [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Chicago, IL										Chicago, IL
Square Feet (in square feet)	1,013,000										1,013,000
Date of Sale	01/09/2012										01/09/2012
Net Sales Price	153,240,000										153,240,000
Net Book Value of Real Estate	153,237,000										153,237,000
Gain on Sale											3,000
Impairment loss on real estate discontinued operations											19,050,000
Area of real estate property (in square feet)	1,013,000										1,013,000
Mortgage loans assumed by buyer for property sold	147,900,000										147,900,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											3,000
Renaissance Center [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Memphis, TN										Memphis, TN
Square Feet (in square feet)	189,000										189,000
Date of Sale	03/01/2012										03/01/2012
Net Sales Price	27,661,000										27,661,000
Net Book Value of Real Estate	24,629,000										24,629,000
Gain on Sale											3,032,000
Impairment loss on real estate discontinued operations											9,200,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											3,032,000
Overlook II [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Atlanta, GA										Atlanta, GA
Square Feet (in square feet)	260,000										260,000
Date of Sale	04/30/2012										04/30/2012
Net Sales Price	29,467,000										29,467,000
Net Book Value of Real Estate	28,689,000										28,689,000
Gain on Sale											778,000
Impairment loss on real estate discontinued operations											10,500,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											778,000
Wink Building [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	New Orleans, LA										New Orleans, LA
Square Feet (in square feet)	32,000										32,000
Date of Sale	06/08/2012										06/08/2012
Net Sales Price	705,000										705,000
Net Book Value of Real Estate	803,000										803,000
Gain on Sale											(98,000)
Impairment loss on real estate discontinued operations											0
Area of real estate property (in square feet)	32,000										32,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											(98,000)
Non-Core Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Various	[2]									Various	[2]
Square Feet (in square feet)	1,932,000	[2]									1,932,000	[2]
Date of Sale	Various	[2]									Various	[2]
Net Sales Price	125,486,000	[2]									125,486,000	[2]
Net Book Value of Real Estate	122,157,000	[2]									122,157,000	[2]
Gain on Sale											3,329,000	[2]
Impairment loss on real estate discontinued operations											51,889,000	[2]
Non-cash impairment loss													51,200,000		640,000
Gross proceeds from sale of real estate discontinued operations	147,700,000										147,700,000
Number of real estate properties sold	15										15
Mortgage loans assumed by buyer for property sold	41,700,000										41,700,000
Proportionate share of mortgage loans assumed	31,900,000										31,900,000
Number of additional assets sold											15
Net proceeds from the sale											94,300,000
Subsequent Event [Line Items]
Gross Proceeds From Sale of Real Estate Discontinued Operations	147,700,000										147,700,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											3,329,000	[2]
Non-Core Assets [Member] | Jackson, MS [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties sold	6										6
Number of additional assets sold											6
Non-Core Assets [Member] | Memphis, TN [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties sold	4										4
Number of additional assets sold											4
Non-Core Assets [Member] | Richmond, VA [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties sold	5										5
Number of additional assets sold											5
Ashford/Peachtree [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location	Atlanta, GA										Atlanta, GA
Square Feet (in square feet)	321,000										321,000
Date of Sale	07/01/2012										07/01/2012
Net Sales Price	29,440,000										29,440,000
Net Book Value of Real Estate	28,148,000										28,148,000
Gain on Sale											1,292,000
Impairment loss on real estate discontinued operations											17,200,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations											1,292,000
Fund I Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Various							Various
Square Feet (in square feet)						1,956,000							1,956,000
Date of Sale						12/31/2011							12/31/2011
Net Sales Price						255,725,000							255,725,000
Net Book Value of Real Estate						244,467,000							244,467,000
Gain on Sale													11,258,000
Impairment loss on real estate discontinued operations													68,513,000
Gross proceeds from sale of real estate discontinued operations	344,300,000										344,300,000
Area of real estate property (in square feet)	2,700,000										2,700,000
Number of real estate properties sold	13					9					13		9
Area of property sold under agreement to sell (in square feet)											770,000
Mortgage loans assumed by buyer for property sold	292,000,000										292,000,000
Proportionate share of mortgage loans assumed	82,400,000										82,400,000
Number of additional assets sold											4
Weighted average interest rate on mortgage loans assumed by the buyer for properties sold (in hundredths)	5.60%										5.60%
Net proceeds from the sale											14,200,000
Subsequent Event [Line Items]
Gross Proceeds From Sale of Real Estate Discontinued Operations	344,300,000										344,300,000
Expenses [Abstract]
Gain on sale of real estate from discontinued operations													$ 11,258,000

[1] (1)During 2010 and 2011, the Company recognized non-cash impairment losses on this property of $3.4 million and $2.7 million, respectively.

[2] (2)During 2010 and 2011, the Company recognized non-cash impairment losses associated with these properties of $640,000 and $51.2 million, respectively.