CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total Revenues	$ 1,357,936	$ 1,289,534	$ 2,672,285	$ 2,537,580
Operating Expenses:
Cost of sales (excluding depreciation and amortization)	592,644	556,476	1,164,270	1,103,098
Selling, general and administrative	311,805	295,394	606,325	576,117
Depreciation and amortization	195,367	178,254	377,461	361,869
Acquisition and Integration Costs	1,511	16,878	3,106	32,539
Restructuring and other transformation	45,588	0	82,501	0
(Gain) Loss on disposal/write-down of property, plant and equipment, net	(1,505)	(51,249)	(14,566)	(51,954)
Total Operating Expenses	1,145,410	995,753	2,219,097	2,021,669
Operating Income (Loss)	212,526	293,781	453,188	515,911
Interest Expense, Net (includes Interest Income of $2,290 and $2,171 for the three months ended June 30, 2023 and 2022, respectively)	144,178	115,057	281,347	229,499
Other Expense (Income), Net	62,950	(41,217)	84,150	14,684
Net Income (Loss) Before Provision (Benefit) for Income Taxes	5,398	219,941	87,691	271,728
Provision (Benefit) for Income Taxes	4,255	18,083	21,013	28,163
Net Income (Loss)	1,143	201,858	66,678	243,565
Less: Net Income (Loss) Attributable to Noncontrolling Interests	1,029	1,777	1,969	1,185
Net Income (Loss) Attributable to Iron Mountain Incorporated	$ 114	$ 200,081	$ 64,709	$ 242,380
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:
Basic (in dollars per share)	$ 0.00	$ 0.69	$ 0.22	$ 0.83
Diluted (in dollars per share)	$ 0.00	$ 0.68	$ 0.22	$ 0.83
Weighted average common shares outstanding-basic (in shares)	291,825,000	290,756,000	291,633,000	290,542,000
Weighted average common shares outstanding-diluted (in shares)	293,527,000	292,487,234	293,288,000	292,166,419
Storage Rental
Revenues:
Total Revenues	$ 830,756	$ 753,126	$ 1,640,845	$ 1,504,196
Service
Revenues:
Total Revenues	$ 527,180	$ 536,408	$ 1,031,440	$ 1,033,384