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Debt - Senior Unsecured Credit Facility and Unsecured Term Loans (Details)
 9 Months Ended 10 Months Ended 12 Months Ended 19 Months Ended 24 Months Ended
Jan. 20, 2021
USD ($)
Jun. 09, 2020
USD ($)
Dec. 31, 2021
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2021
Mar. 31, 2023
Jan. 01, 2022
Apr. 01, 2021
Aug. 14, 2020
USD ($)
Line of Credit Facility [Line Items]                        
Principal balance         $ 997,702,000              
Percent of unused portion line of credit facility triggering lower commitment fee (as a percent)         50.00%              
Senior unsecured credit facility         $ 55,000,000 $ 75,000,000            
Maximum annual preferred dividends                       $ 17,500,000
Minimum                        
Line of Credit Facility [Line Items]                        
Line of credit facility, unused capacity, commitment fee (as a percent)         0.20%              
Maximum                        
Line of Credit Facility [Line Items]                        
Line of credit facility, unused capacity, commitment fee (as a percent)         0.30%              
Senior Unsecured Credit Facility                        
Line of Credit Facility [Line Items]                        
Senior unsecured credit facility           75,000,000            
Unsecured Term Loan                        
Line of Credit Facility [Line Items]                        
Accordion feature, higher borrowing capacity         $ 1,200,000,000              
Interest incurred on the facility         13,400,000 13,700,000 $ 10,600,000          
Revolving Credit Facility | Senior Unsecured Credit Facility                        
Line of Credit Facility [Line Items]                        
Maximum borrowing capacity   $ 400,000,000     400,000,000              
Principal balance         350,000,000              
Senior unsecured credit facility         55,000,000              
Interest and unused credit facility fees         $ 4,500,000 3,700,000 $ 1,200,000          
Revolving Credit Facility | Senior Unsecured Credit Facility | LIBOR                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate         2.40%              
Revolving Credit Facility | Senior Unsecured Credit Facility | London Interbank Offered Rate (LIBOR) Swap Rate | Minimum                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate   0.25%                    
Unsecured Term Loan Due October 2023 | Unsecured Term Loan                        
Line of Credit Facility [Line Items]                        
Principal balance         $ 50,000,000 $ 50,000,000            
Unsecured Term Loan Due October 2023 | Unsecured Term Loan | LIBOR                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate         2.35%              
Subsequent Event                        
Line of Credit Facility [Line Items]                        
Minimum liquidity covenant $ 125,000,000.0     $ 100,000,000.0                
Covenant, acquisition limitation       $ 300,000,000                
Maximum annual preferred dividends $ 25,000,000.0                      
Subsequent Event | Senior Unsecured Credit Facility | LIBOR                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate 2.55%                      
Subsequent Event | Revolving Credit Facility | Senior Unsecured Credit Facility | LIBOR                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate 2.40%                      
Testing Period One | Subsequent Event | Minimum                        
Line of Credit Facility [Line Items]                        
Unencumbered implied debt service coverage ratio     1.00           1.00      
Testing Period Two | Subsequent Event | Minimum                        
Line of Credit Facility [Line Items]                        
Unencumbered implied debt service coverage ratio     1.00                  
Forecast                        
Line of Credit Facility [Line Items]                        
Maximum leverage ratio (as a percent)       0.60           0.65 0.65  
Unencumbered leverage ratio       60.00%           65.00% 65.00%  
Forecast | Unsecured Term Loan Due October 2023 | Unsecured Term Loan | LIBOR                        
Line of Credit Facility [Line Items]                        
Basis spread on variable rate               2.35%        
Forecast | Testing Period Three | Minimum                        
Line of Credit Facility [Line Items]                        
Unencumbered implied debt service coverage ratio     1.10                  
Forecast | Testing Periods Thereafter | Minimum                        
Line of Credit Facility [Line Items]                        
Unencumbered implied debt service coverage ratio     1.20