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Equity - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
$ / shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Class of Stock    
Proceeds from sale of common stock, net of transaction costs $ 44,820,000 $ 44,820,000
Stock repurchase program, amount authorized 250,000,000.0 250,000,000.0
Share repurchased net   14,700,000
Stock repurchase program, repurchase of common stock, cumulative 144,900,000 144,900,000
At-the-Market    
Class of Stock    
Maximum sales authorized   $ 125,000,000.0
Shares issued (in shares) | shares   1,526,163,000,000
Proceeds from sale of common stock, net of transaction costs   $ 45,700,000
Cumulative total sold $ 65,800,000 $ 65,800,000
Low | At-the-Market    
Class of Stock    
Shares issued price per share (usd per share) | $ / shares $ 29,530,000 $ 29,530,000
High | At-the-Market    
Class of Stock    
Shares issued price per share (usd per share) | $ / shares $ 30,170,000 $ 30,170,000