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Stockholders' Equity Matters - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Nov. 06, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Debt Instrument [Line Items]
Dividend per share (in dollars per share)		$ 0.7150	$ 0.6500	$ 0.6500	$ 0.6500	$ 0.6500	$ 0.6185	$ 0.6185
Noncontrolling Interests		$ 156,605			$ 125
Iron Mountain Data Centers Virginia 4/5 JV, LP
Debt Instrument [Line Items]
Noncontrolling Interests		53,400
Iron Mountain Data Centers Virginia 6/7 JV, LLC
Debt Instrument [Line Items]
Noncontrolling Interests		$ 103,100
Subsequent Event
Debt Instrument [Line Items]
Dividend per share (in dollars per share)	$ 0.715

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