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Unsecured Line of Credit - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 16, 2020
Mar. 31, 2022
Dec. 31, 2021
Jul. 31, 2021
Debt Disclosure [Abstract]        
Uncommitted line of credit $ 100,000      
Increase in borrowing capacity       $ 450,000
Line of Credit Facility, Expiration Date   Dec. 16, 2023    
Line of Credit Facility, Description   The Line of Credit expires on December 16, 2023, at which time the Company may request additional one-year extensions thereafter. Interest under the Line of Credit is determined based on one-month U.S. dollar-denominated LIBOR plus 3.0%.    
Line of Credit Facility, Interest Rate Description   one-month U.S. dollar-denominated LIBOR plus 3.0%    
Outstanding borrowings   $ 0 $ 375,000