Summary of Significant Accounting Policies - Preferred Stock (Details) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 30, 2024 shares	Mar. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 $ / shares shares	Dec. 31, 2022 shares	Dec. 31, 2020 USD ($) series $ / shares shares
Summary Of Significant Accounting Policies [Line Items]
Proceeds from issuance of private placement | $					$ 125.0
Number of preferred stock series issued | series					2
Preferred stock payable | $		$ 12.6
Common stock, par value $0.01 per share
Summary Of Significant Accounting Policies [Line Items]
Exchange of shares (in shares)		9,464,524
Preferred stock, shares exchanged, shares issued and to be issued (in shares)		12,046,218
Common stock, par value $0.01 per share | Subsequent event
Summary Of Significant Accounting Policies [Line Items]
Exchange of shares (in shares)	2,581,694
Series A Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Shares Issued		135,930	424,949		2,307,400
Preferred stock, fixed-to-floating rate cumulative redeemable		7.25%	7.25%	7.25%	7.25%
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares		$ 25.00	$ 25.00		$ 25.00
Series A Preferred Stock | Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Stock repurchased and retired during period, shares (in shares)				1,882,451
Exchange of shares (in shares)		424,949
Series B Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, Shares Issued		363,245	1,135,590		2,892,600
Preferred stock, fixed-to-floating rate cumulative redeemable		5.00%	5.00%	5.00%	5.00%
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares		$ 25.00	$ 25.00		$ 25.00
Series B Preferred Stock | Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Stock repurchased and retired during period, shares (in shares)				1,757,010
Exchange of shares (in shares)		1,135,590