Real estate assets held for sale (Notes)

3 Months Ended

Mar. 31, 2016

Long Lived Assets Held-for-sale [Line Items]

Disclosure of Long Lived Assets Held-for-sale [Table Text Block]

REAL ESTATE TRANSACTIONS

During the first quarter of 2016, the Company sold 100 North Point Center East, a 129,000 square foot office building in Atlanta, Georgia for a gross sales price of $22.0 million.