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v3.3.1.900

Real Estate Assets Real Estate Assets (Details) ft² in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) ft² property | Dec. 31, 2014 USD ($) ft² property | Dec. 31, 2013 USD ($) ft² property | Dec. 31, 2012 USD ($)
Acquisitions [Abstract] |  |  |  |
Asset acquisition, contingent consideration liability | $ 900 | $ 3,300 | $ 0 |
Gain on acquisition of controlling interest in unconsolidated affiliate | 0 | 0 | 7,451 |
Acquisition-related costs | 1,000 | 500 | 1,800 |
Dispositions [Abstract] |  |  |  |
Gains/(losses) on disposition of discontinued operations | 0 | 384 | 63,792 |
Gains/(losses) on disposition of property | 11,444 | 44,352 | (3) |
Impairments [Abstract] |  |  |  |
Impairments of real estate assets | $ 0 | $ 588 | $ 0 |
Tampa, FL Building Acquisition (09/2015) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² | 528 |  |  |
Acquisition purchase price | $ 113,500 |  |  |
Tampa, FL Land Acquisition (09/2015) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Acquisition purchase price | $ 2,200 |  |  |
Atlanta, GA Building Acquisition (09/2015) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of office properties acquired | property | 2 |  |  |
Net rentable square feet of acquisition (in sqft) | ft² | 896 |  |  |
Acquisition purchase price | $ 290,300 |  |  |
Atlanta, GA Land Acquisition [Member] (6/2015) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Acquisition purchase price | 5,200 |  |  |
Asset acquisition, contingent consideration liability | $ 900 |  |  |
Orlando, FL Building Acquisition [Member] (6/2015) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² | 168 |  |  |
Percentage of equity interest acquired in affiliate (in hundredths) | 77.20% |  |  |
Fair value of debt assumed from the acquisition | $ 19,300 |  |  |
Orlando, FL Office Property Acquisition (12/2014) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² |  | 246 |  |
Acquisition purchase price |  | $ 67,400 |  |
Richmond, VA Office Property Acquisition (12/2014) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² |  | 66 |  |
Percentage of equity interest acquired in affiliate (in hundredths) |  | 50.00% |  |
Acquisition purchase price |  | $ 4,200 |  |
Nashville, TN Land Acquisition (12/2014) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Acquisition purchase price |  | 15,800 |  |
Asset acquisition, contingent consideration liability |  | $ 3,300 |  |
Raleigh, NC Office Property Acquisition (9/2014) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² |  | 374 |  |
Acquisition purchase price |  | $ 83,800 |  |
Atlanta, GA Office Properties Acquisition (9/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of office properties acquired | property |  |  | 2 |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 505 |
Percentage of equity interest acquired in affiliate (in hundredths) |  |  | 57.00% |
Acquisition purchase price |  |  | $ 44,500 |
Fair value of debt assumed from the acquisition |  |  | $ 37,600 |
Effective interest rate of secured debt assumed from the acquisition (in hundredths) |  |  | 3.34% |
Nashville, TN Office Property Acquisition (9/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 520 |
Acquisition purchase price |  |  | $ 150,100 |
Orlando, FL Office Properties Acquisition (9/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of office properties acquired | property |  |  | 5 |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 1,300 |
Percentage of equity interest acquired in affiliate (in hundredths) |  |  | 60.00% |
Purchase price of acquisition of unconsolidated affiliate |  |  | $ 112,800 |
Percentage of equity interest in joint venture, previously held (in hundredths) |  |  | 40.00% |
Fair value of assets recorded from the acquisition |  |  | $ 188,000 |
Fair value of debt assumed from the acquisition |  |  | $ 127,900 |
Effective interest rate of secured debt assumed from the acquisition (in hundredths) |  |  | 3.11% |
Previously held equity interest remeasured at fair value |  |  | $ 75,200 |
Gain on acquisition of controlling interest in unconsolidated affiliate |  |  | $ 7,500 |
Atlanta, GA Office Property Acquisition (6/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 553 |
Acquisition purchase price |  |  | $ 140,100 |
Greensboro, NC Office Properties Acquisition (3/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of office properties acquired | property |  |  | 2 |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 195 |
Acquisition purchase price |  |  | $ 30,800 |
Tampa, FL Office Properties Acquisition (3/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Number of office properties acquired | property |  |  | 2 |
Net rentable square feet of acquisition (in sqft) | ft² |  |  | 372 |
Acquisition purchase price |  |  | $ 52,500 |
Memphis, TN Development Land Acquisition (3/2013) [Member] |  |  |  |
Acquisitions [Abstract] |  |  |  |
Acquisition purchase price |  |  | $ 4,800 |
2015 Dispositions [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of buildings sold | property | 3 |  |  |
Purchase price of real estate | $ 27,800 |  |  |
Gains/(losses) on disposition of property | 9,200 |  |  |
Income tax expense netted against gain | $ 500 |  |  |
2014 Dispositions [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of buildings sold | property |  | 33 |  |
Purchase price of real estate |  | $ 187,300 |  |
Closing credits excluded for unfunded building and/or tenant improvements |  | 8,600 |  |
Closing credits excluded for free rent |  | 2,900 |  |
Gains/(losses) on disposition of property |  | 44,400 |  |
2013 Dispositions [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of buildings sold | property |  |  | 47 |
Purchase price of real estate |  |  | $ 260,500 |
Closing credits for unfunded tenant improvements |  |  | 3,600 |
Closing credits included for free rent |  |  | 2,000 |
Gains/(losses) on disposition of discontinued operations |  |  | 62,300 |
Gains/(losses) on disposition of property |  |  | 1,500 |
Additional purchase price consideration |  |  |  | $ 1,500
Greensboro, NC Office Property Impairment (6/2014) [Member] |  |  |  |
Impairments [Abstract] |  |  |  |
Impairments of real estate assets |  | $ 600 |  |
Winston-Salem, NC Office Properties (6/2013) [Member] |  |  |  |
Impairments [Abstract] |  |  |  |
Impairments of real estate assets |  |  | $ 1,100 |
Number of impaired properties | property |  |  | 4 |
Atlanta, GA Industrial Properties (3/2013) [Member] |  |  |  |
Impairments [Abstract] |  |  |  |
Impairments of real estate assets |  |  | $ 1,100 |
Number of impaired properties | property |  |  | 7 |

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