Subsequent Events	6 Months Ended
Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Credit Facility In July 2016, the Company paid off the $142.0 million of borrowings that had been outstanding on our credit facility as of June 30, 2016, using proceeds from our 6.35% Series E perpetual preferred share offering. Subsequent Dispositions From July 1, 2016, through July 31, 2016, we disposed of 180 properties for aggregate net proceeds of approximately $14.0 million. These dispositions are primarily related to properties obtained through the ARPI merger that had been classified as held for sale as they did not meet our portfolio criteria. Subsequent Acquisitions From July 1, 2016, through July 31, 2016, we acquired 157 properties for an aggregate purchase price of approximately $32.9 million. Declaration of Dividends On August 2, 2016, our board of trustees declared quarterly dividends of $0.05 per Class A common share payable on September 30, 2016, to shareholders of record on September 15, 2016, and $0.05 per Class B common share payable on September 30, 2016, to shareholders of record on September 15, 2016. Additionally, our board of trustees also declared quarterly dividends of $0.3125 per share on the Company’s 5.000% Series A participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.3125 per share on the Company’s 5.000% Series B participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.34375 per share on the Company’s 5.500% Series C participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.40625 per share on the Company’s 6.5% Series D perpetual preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016 and $0.405690 per share on the Company’s 6.35% Series E perpetual preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016.

Subsequent Events

Credit Facility

In July 2016, the Company paid off the $142.0 million of borrowings that had been outstanding on our credit facility as of June 30, 2016, using proceeds from our 6.35% Series E perpetual preferred share offering.

Subsequent Dispositions

From July 1, 2016, through July 31, 2016, we disposed of 180 properties for aggregate net proceeds of approximately $14.0 million. These dispositions are primarily related to properties obtained through the ARPI merger that had been classified as held for sale as they did not meet our portfolio criteria.

Subsequent Acquisitions

From July 1, 2016, through July 31, 2016, we acquired 157 properties for an aggregate purchase price of approximately $32.9 million.

Declaration of Dividends

On August 2, 2016, our board of trustees declared quarterly dividends of $0.05 per Class A common share payable on September 30, 2016, to shareholders of record on September 15, 2016, and $0.05 per Class B common share payable on September 30, 2016, to shareholders of record on September 15, 2016. Additionally, our board of trustees also declared quarterly dividends of $0.3125 per share on the Company’s 5.000% Series A participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.3125 per share on the Company’s 5.000% Series B participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.34375 per share on the Company’s 5.500% Series C participating preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016, $0.40625 per share on the Company’s 6.5% Series D perpetual preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016 and $0.405690 per share on the Company’s 6.35% Series E perpetual preferred shares payable on September 30, 2016, to shareholders of record on September 15, 2016.