Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Jul. 31, 2013 item	Mar. 31, 2013	Dec. 31, 2012
Consolidating financial statements
Percentage of subsidiaries owned	100.00%
Current Assets:
Cash and Cash Equivalents	$ 169,906	$ 120,526		$ 229,999	$ 243,415
Restricted Cash	33,860	33,860
Accounts Receivable	626,116	616,797
Other Current Assets	157,747	162,424
Total Current Assets	987,629	933,607
Property, Plant and Equipment, Net	2,561,786	2,578,260
Other Assets, Net:
Goodwill	2,466,001	2,463,352
Other	691,201	677,786
Total Other Assets, Net	3,157,202	3,141,138
Total Assets	6,706,617	6,653,005		6,298,180
Liabilities and Equity
Current Portion of Long-term Debt	55,084	52,583
Total Other Current Liabilities	812,766	906,518
Long-term Debt, Net of Current Portion	4,288,605	4,119,139
Other Long-term Liabilities	498,991	516,931
Commitments and Contingencies (see Note 8)
Total Iron Mountain Incorporated Stockholders' Equity	1,042,818	1,047,338
Noncontrolling Interests	8,353	10,496
Total Equity	1,051,171	1,057,834		1,128,077	1,162,448
Total Liabilities and Equity	6,706,617	6,653,005
Eliminations
Current Assets:
Intercompany Receivable	(391,241)	(763,108)
Other Current Assets	(30)	(30)
Total Current Assets	(391,271)	(763,138)
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	(1,835,899)	(1,779,242)
Investment in Subsidiaries	(3,060,155)	(2,986,258)
Other	(114)	(114)
Total Other Assets, Net	(4,896,168)	(4,765,614)
Total Assets	(5,287,439)	(5,528,752)
Liabilities and Equity
Intercompany Payable	(391,241)	(763,108)
Current Portion of Long-term Debt	(30)	(30)
Long-term Notes Payable to Affiliates and Intercompany Payable	(1,835,899)	(1,779,242)
Other Long-term Liabilities	(114)	(114)
Total Iron Mountain Incorporated Stockholders' Equity	(3,060,155)	(2,986,258)
Total Equity	(3,060,155)	(2,986,258)
Total Liabilities and Equity	(5,287,439)	(5,528,752)
Parent | Reportable legal entities
Current Assets:
Cash and Cash Equivalents		1,243
Restricted Cash	33,860	33,860
Intercompany Receivable	391,241	761,501
Other Current Assets	625	1,120
Total Current Assets	425,726	797,724
Property, Plant and Equipment, Net	974	1,019
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	1,832,317	1,775,570
Investment in Subsidiaries	1,607,312	1,570,505
Other	37,519	38,862
Total Other Assets, Net	3,477,148	3,384,937
Total Assets	3,903,848	4,183,680
Liabilities and Equity
Total Other Current Liabilities	98,517	125,705
Long-term Debt, Net of Current Portion	2,761,404	3,009,597
Long-term Notes Payable to Affiliates and Intercompany Payable	1,012	1,000
Other Long-term Liabilities	97	40
Total Iron Mountain Incorporated Stockholders' Equity	1,042,818	1,047,338
Total Equity	1,042,818	1,047,338
Total Liabilities and Equity	3,903,848	4,183,680
Guarantors | Reportable legal entities
Current Assets:
Cash and Cash Equivalents	7,484	10,366		4,132	13,472
Accounts Receivable	367,056	358,118
Other Current Assets	100,803	98,717
Total Current Assets	475,343	467,201
Property, Plant and Equipment, Net	1,555,366	1,569,248
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	1,012	1,000
Investment in Subsidiaries	1,348,607	1,313,835
Goodwill	1,622,018	1,638,534
Other	376,992	376,939
Total Other Assets, Net	3,348,629	3,330,308
Total Assets	5,379,338	5,366,757
Liabilities and Equity
Intercompany Payable	264,578	581,029
Current Portion of Long-term Debt	28,982	30,236
Total Other Current Liabilities	472,853	530,169
Long-term Debt, Net of Current Portion	820,101	508,382
Long-term Notes Payable to Affiliates and Intercompany Payable	1,832,172	1,772,144
Other Long-term Liabilities	373,628	392,545
Total Iron Mountain Incorporated Stockholders' Equity	1,587,024	1,552,252
Total Equity	1,587,024	1,552,252
Total Liabilities and Equity	5,379,338	5,366,757
Canada Company | Reportable legal entities
Consolidating financial statements
Number of wholly owned entities into which assets and liabilities were contributed			2
Current Assets:
Cash and Cash Equivalents	7,571	1,094		96,965	103,346
Accounts Receivable	35,609	38,928
Intercompany Receivable		1,607
Other Current Assets	3,420	5,995
Total Current Assets	46,600	47,624
Property, Plant and Equipment, Net	164,181	172,246
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	2,570	2,672
Investment in Subsidiaries	31,924	31,130
Goodwill	180,345	187,259
Other	10,663	11,257
Total Other Assets, Net	225,502	232,318
Total Assets	436,283	452,188
Liabilities and Equity
Intercompany Payable	7,129
Total Other Current Liabilities	24,690	29,513
Long-term Debt, Net of Current Portion	268,936	289,105
Other Long-term Liabilities	31,292	31,652
Total Iron Mountain Incorporated Stockholders' Equity	104,236	101,918
Total Equity	104,236	101,918
Total Liabilities and Equity	436,283	452,188
Non-Guarantors | Reportable legal entities
Current Assets:
Cash and Cash Equivalents	154,851	107,823		128,902	126,597
Accounts Receivable	223,451	219,751
Other Current Assets	52,929	56,622
Total Current Assets	431,231	384,196
Property, Plant and Equipment, Net	841,265	835,747
Other Assets, Net:
Investment in Subsidiaries	72,312	70,788
Goodwill	663,638	637,559
Other	266,141	250,842
Total Other Assets, Net	1,002,091	959,189
Total Assets	2,274,587	2,179,132
Liabilities and Equity
Intercompany Payable	119,534	182,079
Current Portion of Long-term Debt	26,132	22,377
Total Other Current Liabilities	216,706	221,131
Long-term Debt, Net of Current Portion	438,164	312,055
Long-term Notes Payable to Affiliates and Intercompany Payable	2,715	6,098
Other Long-term Liabilities	94,088	92,808
Total Iron Mountain Incorporated Stockholders' Equity	1,368,895	1,332,088
Noncontrolling Interests	8,353	10,496
Total Equity	1,377,248	1,342,584
Total Liabilities and Equity	$ 2,274,587	$ 2,179,132