Real Estate (Real Estate and Accumulated Depreciation) (Details) - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Cost | |||||
| Balance, beginning of year | $ 1,527,478,000 | $ 1,515,206,000 | |||
| Properties transferred to held for sale | (184,639,000) | (22,512,000) | $ (36,265,000) | ||
| Outparcel dispositions | (387,000) | (840,000) | |||
| Property impairments | (83,224,000) | ||||
| Improvements and betterments | 29,296,000 | 35,624,000 | 37,089,000 | ||
| Balance, end of the year | 1,288,524,000 | 1,527,478,000 | 1,515,206,000 | ||
| Accumulated depreciation | |||||
| Balance, beginning of the year | 428,569,000 | 389,861,000 | |||
| Properties transferred held for sale | (55,165,000) | (3,947,000) | (10,143,000) | ||
| Outparcel dispositions | (90,000) | ||||
| Depreciation expense | [1] | 36,338,000 | 42,745,000 | 41,142,000 | |
| Balance, end of the year | 409,742,000 | 428,569,000 | 389,861,000 | ||
| Net book value | $ 878,782,000 | $ 1,098,909,000 | $ 1,125,345,000 | ||
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