CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Storage rental	$ 718,614	$ 696,294	$ 2,144,942	$ 2,056,797
Service	411,534	340,353	1,187,002	1,030,820
Total Revenues	1,130,148	1,036,647	3,331,944	3,087,617
Operating Expenses:
Cost of sales (excluding depreciation and amortization)	481,663	434,505	1,408,151	1,308,119
Selling, general and administrative	241,596	232,095	760,098	712,775
Depreciation and amortization	174,818	157,252	507,145	483,686
Acquisition and Integration Costs	1,138	0	3,415	0
Restructuring Charges	50,432	48,371	129,686	128,715
Intangible impairments	0	0	0	23,000
(Gain) Loss on disposal/write-down of property, plant and equipment, net	(935)	(75,840)	(134,321)	(78,170)
Total Operating Expenses	948,712	796,383	2,674,174	2,578,125
Operating Income (Loss)	181,436	240,264	657,770	509,492
Interest Expense, Net (includes Interest Income)	103,809	104,303	313,451	313,408
Other (Income) Expense, Net	(18,501)	83,465	(200,018)	66,439
Net Income (Loss) Before Provision (Benefit) for Income Taxes	96,128	52,496	544,337	129,645
Provision (Benefit) for Income Taxes	28,017	13,934	153,073	33,304
Net Income (Loss)	68,111	38,562	391,264	96,341
Less: Net Income (Loss) Attributable to Noncontrolling Interests	428	168	2,693	1,058
Net Income (Loss) Attributable to Iron Mountain Incorporated	$ 67,683	$ 38,394	$ 388,571	$ 95,283
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:
Income (Loss) from Continuing Operations, Basic (in dollars per share)	$ 0.23	$ 0.13	$ 1.34	$ 0.33
Income (Loss) from Continuing Operations, Diluted (in dollars per share)	$ 0.23	$ 0.13	$ 1.34	$ 0.33
Weighted Average Common Shares Outstanding-Basic (in shares)	289,762,000	288,403,000	289,255,000	288,105,000
Weighted Average Common Shares Outstanding-Diluted (in shares)	291,482,255	288,810,701	290,696,596	288,471,311