|
Real Estate Transactions (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2013
Property
|
Jun. 30, 2012
|
Jun. 30, 2013
Property
|
Jun. 30, 2012
|
|
| Business Combinations [Abstract] | ||||
| Number of properties sold | 5 | 5 | ||
| Sale of productive assets, sale price | $ 14,600,000 | |||
| Proceeds from sale of real estate assets and property condemnation | 14,019,000 | 75,000 | ||
| Gain on sale of unconsolidated joint venture interests | 305,000 | |||
| Impairment of real estate assets | 0 | 1,979,000 | 1,152,000 | 1,979,000 |
| Disposal group, including discontinued operation, revenue | 388,000 | 764,000 | ||
| Disposal group, including discontinued operation, net income excluding gain on sale | $ 228,000 | $ 179,000 | ||