Stockholders' Equity - Preferred Stock (Details) - $ / shares			1 Months Ended				3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jan. 31, 2024	Jul. 31, 2021	May 31, 2021	Apr. 30, 2021	Sep. 30, 2024
Series G Preferred Stock [Member]
Stockholders' equity
Preferred stock, Cumulative Redeemable Preferred Stock, shares outstanding (in shares)	2,650,000	2,650,000
Liquidation preference (in dollars per share)	$ 25	$ 25
Series G Preferred Stock [Member] | Montage Healdsburg
Stockholders' equity
Preferred Stock, Redemption Price Per Share						$ 25
Stock Issued During Period, Shares, Other						2,650,000
Series G Preferred Stock [Member] | Maximum [Member] | Montage Healdsburg
Stockholders' equity
Preferred stock, Cumulative Redeemable Preferred Stock, dividend rate (as a percent)			3.00%				4.50%
Series H Preferred Stock [Member]
Stockholders' equity
Preferred stock, Cumulative Redeemable Preferred Stock, dividend rate (as a percent)	6.125%	6.125%			6.125%
Preferred Stock, Redemption Price Per Share					$ 25
Preferred stock, Cumulative Redeemable Preferred Stock, shares outstanding (in shares)	4,600,000	4,600,000
Stock Issued During Period, Shares, Other					4,600,000
Liquidation preference (in dollars per share)	$ 25	$ 25			$ 25
Series I Cumulative Redeemable Preferred Stock
Stockholders' equity
Preferred stock, Cumulative Redeemable Preferred Stock, dividend rate (as a percent)	5.70%	5.70%		5.70%
Preferred Stock, Redemption Price Per Share				$ 25
Preferred stock, Cumulative Redeemable Preferred Stock, shares outstanding (in shares)	4,000,000	4,000,000
Stock Issued During Period, Shares, Other				4,000,000
Liquidation preference (in dollars per share)	$ 25	$ 25		$ 25