Redeemable Noncontrolling Interests (Schedule Of Changes In The Value Of The Redeemable Noncontrolling Interests) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
Mar. 31, 2018 |
Mar. 31, 2017 |
| Redeemable Noncontrolling Interest [Line Items] |
|
|
| Balance January 1, 2018 |
$ 212,208
|
|
| Income Attributed to Noncontrolling Interests |
(2,799)
|
$ (792)
|
| Redemption Value Adjustment |
(5,866)
|
|
| Redeemable noncontrolling interests as of March 31, 2018 |
225,326
|
|
| Redeemable Noncontrolling Interests [Member] |
|
|
| Redeemable Noncontrolling Interest [Line Items] |
|
|
| Balance January 1, 2018 |
212,208
|
|
| Redeemable Noncontrolling Interests Issued |
10,000
|
|
| Net |
222,208
|
|
| Income Attributed to Noncontrolling Interests |
2,799
|
|
| Distributions |
(2,799)
|
|
| Redemption Value Adjustment |
3,118
|
|
| Redeemable noncontrolling interests as of March 31, 2018 |
225,326
|
|
| Redeemable Noncontrolling Interests [Member] | Series A And Series A-1 Preferred Units [Member] |
|
|
| Redeemable Noncontrolling Interest [Line Items] |
|
|
| Balance January 1, 2018 |
52,324
|
|
| Redeemable Noncontrolling Interests Issued |
|
|
| Net |
52,324
|
|
| Income Attributed to Noncontrolling Interests |
455
|
|
| Distributions |
(455)
|
|
| Redemption Value Adjustment |
|
|
| Redeemable noncontrolling interests as of March 31, 2018 |
52,324
|
|
| Redeemable Noncontrolling Interests [Member] | Rockpoint [Member] |
|
|
| Redeemable Noncontrolling Interest [Line Items] |
|
|
| Balance January 1, 2018 |
159,884
|
|
| Redeemable Noncontrolling Interests Issued |
10,000
|
|
| Net |
169,884
|
|
| Income Attributed to Noncontrolling Interests |
2,344
|
|
| Distributions |
(2,344)
|
|
| Redemption Value Adjustment |
3,118
|
|
| Redeemable noncontrolling interests as of March 31, 2018 |
$ 173,002
|
|