Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.22.1
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Mar. 31, 2022
Dec. 31, 2021
Assets and liabilities measured at fair value on a recurring basis      
Marketable securities in deferred compensation plan   $ 2,322 $ 2,556
Fair value measurement on a recurring basis | Deferred compensation plan | Trustees and Management      
Assets and liabilities measured at fair value on a recurring basis      
Maximum percentage of participants' compensation which is deferrable 100.00%    
Marketable securities in deferred compensation plan   $ 2,300