Non-controlling Interests (Details) - USD ($) $ in Thousands |
9 Months Ended | ||||
|---|---|---|---|---|---|
Jan. 02, 2013 |
Sep. 30, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Noncontrolling Interest [Line Items] | |||||
| Stockholders' Equity Attributable to Noncontrolling Interest | $ 14,089 | $ 7,116 | |||
| Noncontrolling Interest [Member] | |||||
| Noncontrolling Interest [Line Items] | |||||
| Stockholders' Equity Attributable to Noncontrolling Interest | $ 14,089 | 7,116 | $ 8,850 | $ 6,903 | |
| Non-controlling interest in Operating Partnership [Member] | Noncontrolling Interest [Member] | |||||
| Noncontrolling Interest [Line Items] | |||||
| Operating Partnership Units Issued | 212,000 | ||||
| Operating Partnership Units | 212,000 | ||||
| Noncontrolling Interest in Operating Partnerships | $ 4,000 | 4,100 | |||
| Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 0.60% | ||||
| Non-controlling interest of joint venture partner [Member] | Noncontrolling Interest [Member] | |||||
| Noncontrolling Interest [Line Items] | |||||
| Stockholders' Equity Attributable to Noncontrolling Interest | $ 9,900 | $ 3,000 |