Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 170,230	$ 179,845	$ 271,424	$ 258,693
Restricted cash	36,612	35,110
Accounts Receivable	572,377	543,467
Other Current Assets	111,935	148,772
Assets of Discontinued Operations		7,256
Total Current Assets	891,154	914,450
Property, Plant and Equipment, Net	2,376,347	2,407,083
Other Assets, net:
Goodwill	2,321,810	2,254,268
Other	497,901	465,457
Total Other Assets, net	2,819,711	2,719,725
Total Assets	6,087,212	6,041,258	6,417,359
LIABILITIES AND EQUITY
Current Portion of Long-term Debt	62,837	73,320
Liabilities of Discontinued Operations		3,317
Total Other Current Liabilities	717,889	772,393
Long-term Debt, Net of Current Portion	3,430,157	3,280,268
Other Long-term Liabilities	626,005	657,704
Commitments and Contingencies (see Note 8)
Total Iron Mountain Incorporated Stockholders' Equity	1,239,611	1,245,688
Noncontrolling Interests	10,713	8,568
Total Equity	1,250,324	1,254,256	2,051,712	1,952,865
Total Liabilities and Equity	6,087,212	6,041,258
Parent
Current Assets:
Cash and cash equivalents		3,428		13,909
Restricted cash	36,612	35,110
Intercompany Receivable	812,395	905,451
Other Current Assets	2,569	2,016
Total Current Assets	851,576	946,005
Property, Plant and Equipment, Net	1,402	1,490
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	982,974	928,182
Investment in Subsidiaries	1,863,816	1,828,712
Other	25,066	27,226
Total Other Assets, net	2,871,856	2,784,120
Total Assets	3,724,834	3,731,615
LIABILITIES AND EQUITY
Current Portion of Long-term Debt	682	658
Total Other Current Liabilities	100,285	100,921
Long-term Debt, Net of Current Portion	2,373,372	2,378,040
Long-term Notes Payable to Affiliates and Intercompany Payable	1,000	1,000
Other Long-term Liabilities	9,884	5,308
Total Iron Mountain Incorporated Stockholders' Equity	1,239,611	1,245,688
Total Equity	1,239,611	1,245,688
Total Liabilities and Equity	3,724,834	3,731,615
Guarantors
Current Assets:
Cash and cash equivalents	11,479	10,750	153,604	121,584
Accounts Receivable	353,628	334,658
Other Current Assets	63,769	103,899
Total Current Assets	428,876	449,307
Property, Plant and Equipment, Net	1,453,288	1,480,785
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	1,000	1,000
Investment in Subsidiaries	1,602,642	1,563,690
Goodwill	1,534,476	1,529,359
Other	242,249	240,557
Total Other Assets, net	3,380,367	3,334,606
Total Assets	5,262,531	5,264,698
LIABILITIES AND EQUITY
Intercompany Payable	708,287	856,808
Current Portion of Long-term Debt	43,961	46,967
Total Other Current Liabilities	421,212	453,648
Long-term Debt, Net of Current Portion	793,847	630,118
Long-term Notes Payable to Affiliates and Intercompany Payable	982,488	946,153
Other Long-term Liabilities	471,677	528,897
Total Iron Mountain Incorporated Stockholders' Equity	1,841,059	1,802,107
Total Equity	1,841,059	1,802,107
Total Liabilities and Equity	5,262,531	5,264,698
Canada Company
Current Assets:
Cash and cash equivalents	78,636	68,907	40,721	37,652
Accounts Receivable	42,028	40,115
Intercompany Receivable	6,765	4,639
Other Current Assets	5,160	3,323
Total Current Assets	132,589	116,984
Property, Plant and Equipment, Net	201,329	200,755
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	5,420	2,961
Goodwill	197,995	196,989
Other	9,572	9,804
Total Other Assets, net	212,987	209,754
Total Assets	546,905	527,493
LIABILITIES AND EQUITY
Current Portion of Long-term Debt	2,747	2,658
Total Other Current Liabilities	29,003	31,407
Long-term Debt, Net of Current Portion	187,288	185,953
Other Long-term Liabilities	35,144	31,418
Total Iron Mountain Incorporated Stockholders' Equity	292,723	276,057
Total Equity	292,723	276,057
Total Liabilities and Equity	546,905	527,493
Non-Guarantors
Current Assets:
Cash and cash equivalents	80,115	96,760	77,099	85,548
Accounts Receivable	176,721	168,694
Other Current Assets	40,437	40,538
Assets of Discontinued Operations		7,256
Total Current Assets	297,273	313,248
Property, Plant and Equipment, Net	720,328	724,053
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable		15,010
Goodwill	589,339	527,920
Other	221,014	187,870
Total Other Assets, net	810,353	730,800
Total Assets	1,827,954	1,768,101
LIABILITIES AND EQUITY
Intercompany Payable	110,873	53,282
Current Portion of Long-term Debt	15,447	23,037
Liabilities of Discontinued Operations		3,317
Total Other Current Liabilities	167,389	187,421
Long-term Debt, Net of Current Portion	75,650	86,157
Long-term Notes Payable to Affiliates and Intercompany Payable	5,906
Other Long-term Liabilities	109,300	92,081
Total Iron Mountain Incorporated Stockholders' Equity	1,332,676	1,314,238
Noncontrolling Interests	10,713	8,568
Total Equity	1,343,389	1,322,806
Total Liabilities and Equity	1,827,954	1,768,101
Eliminations
Current Assets:
Intercompany Receivable	(819,160)	(910,090)
Other Current Assets		(1,004)
Total Current Assets	(819,160)	(911,094)
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	(989,394)	(947,153)
Investment in Subsidiaries	(3,466,458)	(3,392,402)
Total Other Assets, net	(4,455,852)	(4,339,555)
Total Assets	(5,275,012)	(5,250,649)
LIABILITIES AND EQUITY
Intercompany Payable	(819,160)	(910,090)
Total Other Current Liabilities		(1,004)
Long-term Notes Payable to Affiliates and Intercompany Payable	(989,394)	(947,153)
Total Iron Mountain Incorporated Stockholders' Equity	(3,466,458)	(3,392,402)
Total Equity	(3,466,458)	(3,392,402)
Total Liabilities and Equity	$ (5,275,012)	$ (5,250,649)