Noncontrolling Interests (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended				12 Months Ended	18 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Parkway Properties Office Fund II, LP [Member] sqft	Jun. 30, 2012 Parkway Properties Office Fund II, LP [Member] Parkway [Member]	Jun. 30, 2012 Parkway Properties Office Fund II, LP [Member] TRST [Member]	Dec. 31, 2011 Parkway Properties Office Fund I, LP [Member] sqft	Jun. 30, 2012 Parkway Properties Office Fund I, LP [Member]	Jun. 30, 2012 Hayden Ferry Lakeside I [Member] sqft	Jun. 30, 2012 Hayden Ferry Lakeside II [Member] sqft	Feb. 10, 2012 Hayden Ferry Lakeside II [Member] sqft	Jun. 30, 2012 245 Riverside [Member] sqft	Jun. 30, 2012 Bank of America Center [Member] sqft	Jun. 30, 2012 Corporate Center Four at International Plaza [Member] sqft	Jun. 30, 2012 Cypress Center I - III [Member] sqft	Jun. 30, 2012 The Pointe [Member] sqft	Jun. 30, 2012 Lakewood II [Member] sqft	Jun. 30, 2012 3344 Peachtree [Member] sqft	Jun. 30, 2012 Two Ravinia [Member] sqft	Jun. 30, 2012 Carmel Crossing [Member] sqft	Jun. 30, 2012 Two Liberty Place [Member] sqft
Real Estate Properties [Line Items]
Number of joint ventures		1
Location							Phoenix, AZ	Phoenix, AZ		Jacksonville, FL	Orlando, FL	Tampa, FL	Tampa, FL	Tampa, FL	Atlanta, GA	Atlanta, GA	Atlanta, GA	Charlotte, NC	Philadelphia, PA
Parkway's ownership percentage (in hundredths)		27.90%					30.00%	30.00%		30.00%	30.00%	30.00%	30.00%	30.00%	30.00%	33.00%	30.00%	30.00%	19.00%
Square feet (in thousands of square feet)		4,161,000					203,000	300,000	300,000	135,000	421,000	250,000	286,000	252,000	124,000	485,000	438,000	326,000	941,000
Number of properties under agreement to sell					13
Area of property under agreement to sell (in millions of square feet)					2,700,000
Gross sales price of assets under agreement to sell					$ 344.3
Number of assets under agreement that have completed sale						13
Net proceeds from completed sales						14.2
Liabilities related to assets held for sale						292
Parkway's portion of debt assumed by buyer						82.4
Target value of discretionary fund		750
Target ownership percentage (in hundredths)			30.00%	70.00%
Target capital structure of equity capital		375
Target capital structure of non-recourse, fixed rate first mortgage debt		$ 375
Number of properties acquired		12
Area of real estate property acquired (in millions of square feet)		4,200,000
Cumulative preferred return threshold for pro rata cash distributions (in hundredths)		9.00%
Distribution percentage to partners (in hundredths)			44.00%	56.00%
Term of the fund	7 years 0 months 0 days
Number of term extension provisions	2
Length of extension term	1 year 0 months 0 days
Operating partnership units earned and issued to Eola's principals (in units)	1.8
Operating partnership units redeemed	1.5
Common stock issued upon operating partnership unit redemption	1.5
Number of operating partnership units outstanding	307,000