Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Current Assets:
Cash and cash equivalents	$ 178,293	$ 179,845	$ 189,817	$ 258,693
Restricted cash	35,112	35,110
Accounts Receivable	558,357	543,467
Assets of discontinued operations	7,294	7,256
Other Current Assets	152,943	148,772
Total Current Assets	931,999	914,450
Property, Plant and Equipment, Net	2,402,658	2,407,083
Other Assets, net:
Goodwill	2,282,621	2,254,268
Other	469,344	465,457
Total Other Assets, net	2,751,965	2,719,725
Total Assets	6,086,622	6,041,258	6,487,604
LIABILITIES AND EQUITY
Current portion of long-term debt	63,229	73,320
Liabilities of discontinued operations	7,859	3,317
Total Other Current Liabilities	707,052	772,393
Long-term Debt, net of current portion	3,390,447	3,280,268
Other Long-term Liabilities	649,232	657,704
Commitments and Contingencies (see Note 8)
Total Iron Mountain Incorporated Stockholders' Equity	1,259,616	1,245,688
Noncontrolling Interests	9,187	8,568
Total Equity	1,268,803	1,254,256	2,017,589	1,952,865
Total Liabilities and Equity	6,086,622	6,041,258
Parent
Current Assets:
Cash and cash equivalents	71	3,428	1,098	13,909
Restricted cash	35,112	35,110
Intercompany Receivable	862,748	905,451
Other Current Assets	48	2,016
Total Current Assets	897,979	946,005
Property, Plant and Equipment, Net	1,450	1,490
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	982,167	928,182
Investment in Subsidiaries	1,863,354	1,828,712
Other	26,084	27,226
Total Other Assets, net	2,871,605	2,784,120
Total Assets	3,771,034	3,731,615
LIABILITIES AND EQUITY
Current portion of long-term debt	670	658
Total Other Current Liabilities	107,840	100,921
Long-term Debt, net of current portion	2,395,066	2,378,040
Long-term Notes Payable to Affiliates and Intercompany Payable	1,000	1,000
Other Long-term Liabilities	6,842	5,308
Total Iron Mountain Incorporated Stockholders' Equity	1,259,616	1,245,688
Total Equity	1,259,616	1,245,688
Total Liabilities and Equity	3,771,034	3,731,615
Guarantors
Current Assets:
Cash and cash equivalents	8,052	10,750	54,380	121,584
Accounts Receivable	341,827	334,658
Other Current Assets	107,763	103,899
Total Current Assets	457,642	449,307
Property, Plant and Equipment, Net	1,458,216	1,480,785
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	1,000	1,000
Investment in Subsidiaries	1,595,137	1,563,690
Goodwill	1,534,176	1,529,359
Other	250,484	240,557
Total Other Assets, net	3,380,797	3,334,606
Total Assets	5,296,655	5,264,698
LIABILITIES AND EQUITY
Intercompany Payable	808,307	856,808
Current portion of long-term debt	43,408	46,967
Total Other Current Liabilities	403,010	453,648
Long-term Debt, net of current portion	716,601	630,118
Long-term Notes Payable to Affiliates and Intercompany Payable	983,987	946,153
Other Long-term Liabilities	507,788	528,897
Total Iron Mountain Incorporated Stockholders' Equity	1,833,554	1,802,107
Total Equity	1,833,554	1,802,107
Total Liabilities and Equity	5,296,655	5,264,698
Canada Company
Current Assets:
Cash and cash equivalents	68,178	68,907	38,734	37,652
Accounts Receivable	42,752	40,115
Intercompany Receivable	7,983	4,639
Other Current Assets	5,354	3,323
Total Current Assets	124,267	116,984
Property, Plant and Equipment, Net	205,166	200,755
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	5,494	2,961
Goodwill	201,558	196,989
Other	9,766	9,804
Total Other Assets, net	216,818	209,754
Total Assets	546,251	527,493
LIABILITIES AND EQUITY
Current portion of long-term debt	2,747	2,658
Total Other Current Liabilities	28,491	31,407
Long-term Debt, net of current portion	190,186	185,953
Other Long-term Liabilities	34,474	31,418
Total Iron Mountain Incorporated Stockholders' Equity	290,353	276,057
Total Equity	290,353	276,057
Total Liabilities and Equity	546,251	527,493
Non-Guarantors
Current Assets:
Cash and cash equivalents	101,992	96,760	95,605	85,548
Accounts Receivable	173,778	168,694
Assets of discontinued operations	7,294	7,256
Other Current Assets	40,805	40,538
Total Current Assets	323,869	313,248
Property, Plant and Equipment, Net	737,826	724,053
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable		15,010
Goodwill	546,887	527,920
Other	183,010	187,870
Total Other Assets, net	729,897	730,800
Total Assets	1,791,592	1,768,101
LIABILITIES AND EQUITY
Intercompany Payable	62,424	53,282
Current portion of long-term debt	16,404	23,037
Liabilities of discontinued operations	7,859	3,317
Total Other Current Liabilities	168,738	187,421
Long-term Debt, net of current portion	88,594	86,157
Long-term Notes Payable to Affiliates and Intercompany Payable	3,674
Other Long-term Liabilities	100,128	92,081
Total Iron Mountain Incorporated Stockholders' Equity	1,334,584	1,314,238
Noncontrolling Interests	9,187	8,568
Total Equity	1,343,771	1,322,806
Total Liabilities and Equity	1,791,592	1,768,101
Eliminations
Current Assets:
Intercompany Receivable	(870,731)	(910,090)
Other Current Assets	(1,027)	(1,004)
Total Current Assets	(871,758)	(911,094)
Other Assets, net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	(988,661)	(947,153)
Investment in Subsidiaries	(3,458,491)	(3,392,402)
Total Other Assets, net	(4,447,152)	(4,339,555)
Total Assets	(5,318,910)	(5,250,649)
LIABILITIES AND EQUITY
Intercompany Payable	(870,731)	(910,090)
Total Other Current Liabilities	(1,027)	(1,004)
Long-term Notes Payable to Affiliates and Intercompany Payable	(988,661)	(947,153)
Total Iron Mountain Incorporated Stockholders' Equity	(3,458,491)	(3,392,402)
Total Equity	(3,458,491)	(3,392,402)
Total Liabilities and Equity	$ (5,318,910)	$ (5,250,649)