Deferred Charges, Goodwill And Other Assets (Summary Of Scheduled Amortization) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| 2018 | $ 1,804 | ||
| 2019 | 467 | ||
| 2020 | 906 | ||
| 2021 | 1,407 | ||
| 2022 | 1,398 | ||
| Above Market Leases [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| 2018 | (5,084) | ||
| 2019 | (4,716) | ||
| 2020 | (3,398) | ||
| 2021 | (2,779) | ||
| 2022 | (2,665) | ||
| Acquired Below-Market Lease Intangibles [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| 2018 | 6,888 | ||
| 2019 | 5,183 | ||
| 2020 | 4,304 | ||
| 2021 | 4,186 | ||
| 2022 | 4,063 | ||
| In-Place Leases [Member] | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| 2018 | 10,657 | ||
| 2019 | 8,406 | ||
| 2020 | 7,078 | ||
| 2021 | 6,347 | ||
| 2022 | 5,526 | ||
| Amortization expense | $ 32,200 | $ 14,300 | $ 1,400 |