Selected Consolidated Financial Statements of Parent, Guarantors, Canada Company and Non-Guarantors (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jul. 31, 2013 item	Jun. 30, 2013	Dec. 31, 2012
Consolidating financial statements
Percentage of subsidiaries owned	100.00%
Current Assets:
Cash and Cash Equivalents	$ 145,343	$ 120,526		$ 258,866	$ 243,415
Restricted Cash	33,860	33,860
Accounts Receivable	636,978	616,797
Other Current Assets	146,687	162,424
Total Current Assets	962,868	933,607
Property, Plant and Equipment, Net	2,606,903	2,578,260
Other Assets, Net:
Goodwill	2,473,336	2,463,352
Other	692,017	677,786
Total Other Assets, Net	3,165,353	3,141,138
Total Assets	6,735,124	6,653,005		6,334,819
Liabilities and Equity
Current Portion of Long-term Debt	56,604	52,583
Total Other Current Liabilities	845,104	916,518
Long-term Debt, Net of Current Portion	4,297,942	4,119,139
Other Long-term Liabilities	238,324	513,031
Commitments and Contingencies (See Note 8)
Total Iron Mountain Incorporated Stockholders' Equity	1,288,135	1,041,238
Noncontrolling Interests	9,015	10,496
Total Equity	1,297,150	1,051,734		1,087,843	1,157,148
Total Liabilities and Equity	6,735,124	6,653,005
Eliminations
Current Assets:
Intercompany Receivable	(332,301)	(763,108)
Other Current Assets	(34)	(30)
Total Current Assets	(332,335)	(763,138)
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	(2,117,603)	(1,779,242)
Investment in Subsidiaries	(3,157,167)	(2,980,158)
Other		(114)
Total Other Assets, Net	(5,274,770)	(4,759,514)
Total Assets	(5,607,105)	(5,522,652)
Liabilities and Equity
Intercompany Payable	(332,301)	(763,108)
Current Portion of Long-term Debt	(34)	(30)
Long-term Notes Payable to Affiliates and Intercompany Payable	(2,117,603)	(1,779,242)
Other Long-term Liabilities		(114)
Total Iron Mountain Incorporated Stockholders' Equity	(3,157,167)	(2,980,158)
Total Equity	(3,157,167)	(2,980,158)
Total Liabilities and Equity	(5,607,105)	(5,522,652)
Parent | Reportable legal entities
Current Assets:
Cash and Cash Equivalents		1,243
Restricted Cash	33,860	33,860
Intercompany Receivable	332,301	761,501
Other Current Assets	411	1,120
Total Current Assets	366,572	797,724
Property, Plant and Equipment, Net	929	1,019
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	2,114,591	1,775,570
Investment in Subsidiaries	1,650,670	1,564,405
Other	36,843	38,862
Total Other Assets, Net	3,802,104	3,378,837
Total Assets	4,169,605	4,177,580
Liabilities and Equity
Total Other Current Liabilities	121,696	125,705
Long-term Debt, Net of Current Portion	2,758,774	3,009,597
Long-term Notes Payable to Affiliates and Intercompany Payable	1,000	1,000
Other Long-term Liabilities		40
Total Iron Mountain Incorporated Stockholders' Equity	1,288,135	1,041,238
Total Equity	1,288,135	1,041,238
Total Liabilities and Equity	4,169,605	4,177,580
Guarantors | Reportable legal entities
Current Assets:
Cash and Cash Equivalents	7,948	10,366		4,152	13,472
Accounts Receivable	374,418	358,118
Other Current Assets	82,361	98,717
Total Current Assets	464,727	467,201
Property, Plant and Equipment, Net	1,571,494	1,569,248
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	351	1,000
Investment in Subsidiaries	1,389,836	1,313,835
Goodwill	1,602,470	1,638,534
Other	380,289	376,939
Total Other Assets, Net	3,372,946	3,330,308
Total Assets	5,409,167	5,366,757
Liabilities and Equity
Intercompany Payable	165,125	581,029
Current Portion of Long-term Debt	28,934	30,236
Total Other Current Liabilities	471,353	540,169
Long-term Debt, Net of Current Portion	892,991	508,382
Long-term Notes Payable to Affiliates and Intercompany Payable	2,114,537	1,772,144
Other Long-term Liabilities	107,974	388,645
Total Iron Mountain Incorporated Stockholders' Equity	1,628,253	1,546,152
Total Equity	1,628,253	1,546,152
Total Liabilities and Equity	5,409,167	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	5,578	1,094		107,587	103,346
Accounts Receivable	35,244	38,928
Intercompany Receivable		1,607
Other Current Assets	5,584	5,995
Total Current Assets	46,406	47,624
Property, Plant and Equipment, Net	168,090	172,246
Other Assets, Net:
Long-term Notes Receivable from Affiliates and Intercompany Receivable	2,661	2,672
Investment in Subsidiaries	31,721	31,130
Goodwill	186,681	187,259
Other	10,848	11,257
Total Other Assets, Net	231,911	232,318
Total Assets	446,407	452,188
Liabilities and Equity
Intercompany Payable	553
Total Other Current Liabilities	32,677	29,513
Long-term Debt, Net of Current Portion	263,871	289,105
Other Long-term Liabilities	32,645	31,652
Total Iron Mountain Incorporated Stockholders' Equity	116,661	101,918
Total Equity	116,661	101,918
Total Liabilities and Equity	446,407	452,188
Non-Guarantors | Reportable legal entities
Current Assets:
Cash and Cash Equivalents	131,817	107,823		147,127	126,597
Accounts Receivable	227,316	219,751
Other Current Assets	58,365	56,622
Total Current Assets	417,498	384,196
Property, Plant and Equipment, Net	866,390	835,747
Other Assets, Net:
Investment in Subsidiaries	84,940	70,788
Goodwill	684,185	637,559
Other	264,037	250,842
Total Other Assets, Net	1,033,162	959,189
Total Assets	2,317,050	2,179,132
Liabilities and Equity
Intercompany Payable	166,623	182,079
Current Portion of Long-term Debt	27,704	22,377
Total Other Current Liabilities	219,378	221,131
Long-term Debt, Net of Current Portion	382,306	312,055
Long-term Notes Payable to Affiliates and Intercompany Payable	2,066	6,098
Other Long-term Liabilities	97,705	92,808
Total Iron Mountain Incorporated Stockholders' Equity	1,412,253	1,332,088
Noncontrolling Interests	9,015	10,496
Total Equity	1,421,268	1,342,584
Total Liabilities and Equity	$ 2,317,050	$ 2,179,132