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Common and Preferred Stock (Details)
 1 Months Ended 3 Months Ended
Dec. 31, 2021
USD ($)
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
Jan. 31, 2021
USD ($)
shares
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
shares
Feb. 28, 2021
USD ($)
Class of Stock [Line Items]              
Common stock, shares authorized 180,000,000       180,000,000    
Net proceeds received | $         $ 250,684,000 $ 258,105,000  
Series A Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred stock, dividend rate, percentage   4.25%          
Preferred Stock, Liquidation Preference, Value | $ $ 25,000 $ 25,000     $ 25,000    
Redeemable Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred Stock, Liquidation Preference Per Share | $ / shares   $ 25.00          
Preferred Stock, Redemption Price Per Share | $ / shares   25.00          
Preferred stock, dividends to be declared monthly (in dollars per share) | $ / shares   0.08854          
Preferred stock, dividends declared per annum (in dollars per share) | $ / shares   $ 1.0625          
Common Stock [Member]              
Class of Stock [Line Items]              
Common stock, shares authorized     4,600,000 3,450,000      
Shares issued         3,791,964 4,028,410  
Common Stock [Member] | Forward Sale Agreement [Member]              
Class of Stock [Line Items]              
Common stock, shares authorized 5,750,000            
Shares issued         1,666,668    
Net proceeds received | $         $ 107,700,000    
At-Market Equity Program [Member] | Common Stock [Member] | Forward Sale Agreement [Member]              
Class of Stock [Line Items]              
Forward Contract Indexed to Issuer's Equity, Shares         2,125,296    
Size | $             $ 500,000,000.0
Net proceeds received | $         $ 143,100,000    
Over-Allotment Option [Member] | Series A Preferred Stock [Member]              
Class of Stock [Line Items]              
Shares issued   7,000          
Stockholders' Equity Note, Stock Split, Conversion Ratio   0.001          
Proceeds from Series A preferred stock offering, net | $   $ 170,300,000          
Over-Allotment Option [Member] | Redeemable Preferred Stock [Member]              
Class of Stock [Line Items]              
Shares issued   7,000,000          
Over-Allotment Option [Member] | Common Stock [Member]              
Class of Stock [Line Items]              
Common stock, shares authorized     600,000 450,000      
Net proceeds received | $     $ 327,000,000.0 $ 221,400,000      
Over-Allotment Option [Member] | Common Stock [Member] | Forward Sale Agreement [Member]              
Class of Stock [Line Items]              
Common stock, shares authorized 750,000            
Net proceeds received | $ $ 374,800,000