Quarterly report pursuant to Section 13 or 15(d)

Investments In Unconsolidated Joint Ventures (KPG-P 100 IMW JV, LLC) (Details)

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Investments In Unconsolidated Joint Ventures (KPG-P 100 IMW JV, LLC) (Details) (USD $)
3 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended
Mar. 31, 2014
KPG-IMW Owner, LLC [Member]
item
Dec. 09, 2013
KPG-IMW Owner, LLC [Member]
Mar. 31, 2014
KPG-MCG IMW, LLC [Member]
Mar. 31, 2014
KPG-P [Member]
Dec. 09, 2013
KPG-P 100 IMW JV, LLC [Member]
Dec. 09, 2013
100 IMW Property [Member]
sqft
item
Mar. 31, 2014
100 IMW Property [Member]
item
sqft
Mar. 31, 2014
Minimum [Member]
Mar. 31, 2014
Minimum [Member]
100 IMW Property [Member]
Mar. 31, 2014
KPG-MCG's Interest In KPG-P [Member]
Mar. 31, 2014
KPG's Interest In KPG-P [Member]
Mar. 31, 2014
Parkway's Interest In KPG-P [Member]
Schedule of Equity Method Investments [Line Items]                        
Percentage of interest in venture   33.33% 57.7677%         7.50%        
Number of stories           9            
Area of property (in square feet)           400,000            
Business acquisition, cash paid         $ 2,800,000 $ 40,500,000            
Total project costs                 20,000,000      
Area of property to be converted             55,000          
Number of parking spaces             110          
Investment ownership percentage                   57.7024% 17.8928% 24.4048%
Threshold of member unreturned capital for distribution of net operating cash flows       0                
Threshold of member unreturned capital for distribution of capital event flows       0                
Threshold of member deferred unreturned capital for distribution of capital event flows       0                
Mortgage loans, carrying amount 61,500,000                      
Interest rate 7.00%                      
Mortgage loan, maturity date September 2016                      
Number of extension options 2                      
Credit facility, extension period 1 year                      
Construction reserve $ 25,000,000                      
Holding and distribution pattern under operating agreement       In general, the operating agreement of KPG-P provides that net operating cash flows are distributed first, to the members in proportion to their unreturned capital contributions, until each member's unreturned capital contributions have been reduced to zero; and, thereafter, to the members, in accordance with their percentage interests. Net cash flows from a capital event are distributed first, to the members in proportion to the members' unreturned capital contributions, until each member's unreturned capital contributions have been reduced to zero; second, to the members in proportion to the members' unreturned deferred capital contributions, until each member's deferred unreturned capital contributions have been reduced to zero; and, thereafter, to the members in accordance with their percentage interests.