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Stockholders' Equity - Schedule of Preferred Stock Issued and Outstanding (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Class of Stock [Line Items]    
Carrying Value $ 535,445,000 $ 535,445,000
Spread on variable interest rate 0.26161%  
Series D    
Class of Stock [Line Items]    
Preferred stock, shares authorized (in shares) 8,400,000 8,400,000
Preferred stock, shares issued (in shares) 6,107,318 6,107,318
Preferred stock, shares outstanding (in shares) 6,107,318 6,107,318
Carrying Value $ 147,745,000 $ 147,745,000
Liquidation Preference $ 152,683,000 $ 152,683,000
Preferred stock, contractual rate, percentage 8.00% 8.00%
Series D | London Interbank Offered Rate (LIBOR)    
Class of Stock [Line Items]    
Spread on variable interest rate 5.695% 5.695%
Series E    
Class of Stock [Line Items]    
Preferred stock, shares authorized (in shares) 9,900,000 9,900,000
Preferred stock, shares issued (in shares) 7,343,151 7,343,151
Preferred stock, shares outstanding (in shares) 7,343,151 7,343,151
Carrying Value $ 177,697,000 $ 177,697,000
Liquidation Preference $ 183,579,000 $ 183,579,000
Preferred stock, contractual rate, percentage 7.875% 7.875%
Series E | London Interbank Offered Rate (LIBOR)    
Class of Stock [Line Items]    
Spread on variable interest rate 6.429% 6.429%
Series F    
Class of Stock [Line Items]    
Preferred stock, shares authorized (in shares) 7,750,000 7,750,000
Preferred stock, shares issued (in shares) 5,740,209 5,740,209
Preferred stock, shares outstanding (in shares) 5,740,209 5,740,209
Carrying Value $ 138,418,000 $ 138,418,000
Liquidation Preference $ 143,505,000 $ 143,505,000
Preferred stock, contractual rate, percentage 6.875% 6.875%
Series F | Underwritten Public Offering    
Class of Stock [Line Items]    
Preferred stock, liquidation preference per share (in dollars per share) $ 25  
Series F | Secured Overnight Financing Rate (SOFR)    
Class of Stock [Line Items]    
Spread on variable interest rate 6.13% 6.13%
Series G    
Class of Stock [Line Items]    
Preferred stock, shares authorized (in shares) 5,450,000 5,450,000
Preferred stock, shares issued (in shares) 2,973,736 2,973,736
Preferred stock, shares outstanding (in shares) 2,973,736 2,973,736
Carrying Value $ 71,585,000 $ 71,585,000
Liquidation Preference $ 74,343,000 $ 74,343,000
Preferred stock, contractual rate, percentage 7.00% 7.00%
Preferred Stock, Series Shares    
Class of Stock [Line Items]    
Preferred stock, shares authorized (in shares) 31,500,000 31,500,000
Preferred stock, shares issued (in shares) 22,164,414 22,164,414
Preferred stock, shares outstanding (in shares) 22,164,414 22,164,414
Carrying Value $ 535,445,000 $ 535,445,000
Liquidation Preference $ 554,110,000 $ 554,110,000