Consolidated Statements of Equity and Accumulated Earnings (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Dividends to common shareholders	$ 1.72	$ 1.56	$ 1.24
Post Apartment Homes, L.P. [Member]
Dividends to common shareholders	$ 1.72	$ 1.56	$ 1.24