Organization - Narrative (Details) $ in Thousands |
9 Months Ended |
|
|
Sep. 30, 2016
USD ($)
Property
|
Dec. 31, 2015
USD ($)
Property
|
| Summary Of Business And Significant Accounting Policies [Line Items] |
|
|
| Gross investment in real estate properties and loans | $ |
$ 8,388,494
|
$ 8,302,688
|
| Number of real estate properties |
2,705
|
2,629
|
| Owned Properties |
|
|
| Summary Of Business And Significant Accounting Policies [Line Items] |
|
|
| Gross investment in real estate properties and loans | $ |
$ 8,319,276
|
$ 8,198,685
|
| Number of real estate properties |
2,630
|
2,485
|
| Gross investment in real estate, percentage |
99.20%
|
|
| Number of owned real estate properties |
2,630
|
|
| Financed Properties |
|
|
| Summary Of Business And Significant Accounting Policies [Line Items] |
|
|
| Gross investment in real estate properties and loans | $ |
$ 69,218
|
$ 104,003
|
| Number of real estate properties |
75
|
144
|
| Securing mortgage properties, percentage |
0.80%
|
|
| Securing mortgage properties |
75
|
|
| General Partner |
|
|
| Summary Of Business And Significant Accounting Policies [Line Items] |
|
|
| Percentage ownership of operating partnership |
1.00%
|
|
| Limited Partner |
|
|
| Summary Of Business And Significant Accounting Policies [Line Items] |
|
|
| Percentage ownership of operating partnership |
99.00%
|
|