Recent Transactions (Unconsolidated Joint Venture Activity) (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2019 |
Dec. 31, 2019 |
Dec. 31, 2017 |
|
| Real Estate Properties [Line Items] | |||
| Gain (loss) on sale of investment in unconsolidated joint venture | $ 903 | $ 23,131 | |
| Red Bank [Member] | |||
| Real Estate Properties [Line Items] | |||
| Gain on sale | $ 900 | ||
| Red Bank [Member] | Unconsolidated Joint Venture Office Buildings [Member] | |||
| Real Estate Properties [Line Items] | |||
| Gain (loss) on sale of investment in unconsolidated joint venture | 4,200 | ||
| Gain on sale | $ 900 | ||
| X | ||||||||||
- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|