Discontinued Operations (Details) (USD $)	3 Months Ended			12 Months Ended		3 Months Ended		12 Months Ended
	Mar. 31, 2013 sqft		Mar. 31, 2012	Dec. 31, 2012 sqft		Mar. 31, 2013 Atrium at Stoneridge [Member] sqft	Mar. 20, 2013 Atrium at Stoneridge [Member]	Dec. 31, 2012 Sugar Grove [Member] sqft	Dec. 31, 2012 Falls Pointe [Member] sqft	Dec. 31, 2012 111 East Wacker [Member] sqft	Dec. 31, 2012 Renaissance Center [Member] sqft	Dec. 31, 2012 Overlook II [Member] sqft	Dec. 31, 2012 Wink Building [Member] sqft	Dec. 31, 2012 Non-Core Assets [Member] sqft	Dec. 31, 2012 Ashford/Peachtree [Member] sqft
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Location						Columbia, SC		Houston, TX	Atlanta, GA	Chicago, IL	Memphis, TN	Atlanta, GA	New Orleans, LA	Various	Atlanta, GA
Square feet (in square feet)	108,000			3,978,000		108,000		124,000	107,000	1,013,000	189,000	260,000	32,000	1,932,000	321,000
Date of sale						03/20/2013		10/23/2012	01/06/2012	01/09/2012	03/01/2012	04/30/2012	06/08/2012	Various	07/01/2012
Net Sales Price	$ 2,966,000			$ 382,126,000		$ 2,966,000		$ 10,303,000	$ 5,824,000	$ 153,240,000	$ 27,661,000	$ 29,467,000	$ 705,000	$ 125,486,000	$ 29,440,000
Net Book Value of Real Estate	2,424,000			369,187,000		2,424,000		7,057,000	4,467,000	153,237,000	24,629,000	28,689,000	803,000	122,157,000	28,148,000
Gain on sale of real estate from discontinued operations	542,000	[1]	5,575,000	12,939,000	[2]	542,000		3,246,000	1,357,000	3,000	3,032,000	778,000	(98,000)	3,329,000	1,292,000
Parkway's proportionate share of gain on sales of assets				8,100,000
Gross Sales Price of Assets Sold							3,100,000
Net proceeds from the sale						3,000,000
Revenues and expenses for office properties reported in discontinued operations [Abstract]
Income from office and parking properties	(50,000)		10,065,000
Total Revenues	(50,000)		10,065,000
Expenses [Abstract]
Operating expense	244,000		4,233,000
Management company expense	8,000		152,000
Interest expense	0		1,791,000
Non-cash adjustment for interest rate swap	0		(138,000)
Depreciation and amortization	45,000		736,000
Total Expenses	297,000		6,774,000
Income (loss) from discontinued operations	(347,000)		3,291,000
Gain on sale of real estate from discontinued operations	542,000	[1]	5,575,000	12,939,000	[2]	542,000		3,246,000	1,357,000	3,000	3,032,000	778,000	(98,000)	3,329,000	1,292,000
Total discontinued operations	195,000		8,866,000
Net (income) loss attributable to noncontrolling interest from discontinued operations	13,000		(3,355,000)
Total discontinued operations-Parkway's share	$ 208,000		$ 5,511,000

[1] Total gain on the sale of real estate in discontinued operations recognized during the three months ended March 31, 2013 was $542,000.

[2] Total gain on the sale of real estate in discontinued operations recognized for the year ended December 31, 2012 was $12.9 million, of which $8.1 million was our proportionate share.