Net Income (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Income Loss Per Common Share [Abstract]
Basic and diluted net income (loss) attributable to common stockholders	$ (582)	$ (55,738)	$ 464	$ (77,193)
Basic weighted average shares (in shares)	36,487,000	21,502,000	27,199,000	21,489,000
Dilutive weighted average shares (in shares)	36,487,000	21,502,000	27,199,000	21,489,000
Diluted net income (loss) attributable to Parkway Properties, Inc.	$ (0.02)	$ (2.59)	$ 0.02	$ (3.59)
Number of shares of common stock related to TPG investment			17,800,000