Related Party Transactions (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Alexanders Inc | |||
Related Party Transaction | |||
Percentage of affiliated entity owned by company | 32.40% | ||
Percentage of affiliated entity owned by related parties | 26.10% | ||
Interstate Properties | |||
Related Party Transaction | |||
Percentage of company owned by related party | 6.90% | ||
Related party transaction annual fee percentage | 4.00% | ||
Term of management agreement | 1 year | ||
Period allowed for termination of automatic renewal of management agreement | 60 days | ||
Fee and other income from related parties (in US dollars) | $ 203 | $ 203 | $ 300 |