Segment Reporting (Schedule of Capital Additions and Acquisitions by Reportable Segments) (Details) $ in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2015
USD ($)
| |
| Capital additions and acquisitions by segment [Line Items] | |
| Total capital additions and acquisitions | $ 123,963 |
| Operating Segments [Member] | Data Centers [Member] | |
| Capital additions and acquisitions by segment [Line Items] | |
| Total capital additions and acquisitions | 13,534 |
| Operating Segments [Member] | Healthcare [Member] | |
| Capital additions and acquisitions by segment [Line Items] | |
| Total capital additions and acquisitions | $ 110,429 |