Segment Information - Revenues by Product and Service Lines by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Information [Line Items]
Total Revenues	$ 1,068,731	$ 1,053,863
Global RIM Business
Segment Information [Line Items]
Total Revenues	956,419	945,883
Global Data Center Business
Segment Information [Line Items]
Total Revenues	67,357	61,536
Corporate and Other Business
Segment Information [Line Items]
Total Revenues	44,955	46,444
Records Management
Segment Information [Line Items]
Total Revenues	756,492	733,396
Records Management | Global RIM Business
Segment Information [Line Items]
Total Revenues	727,616	701,098
Records Management | Global Data Center Business
Segment Information [Line Items]
Total Revenues	0	0
Records Management | Corporate and Other Business
Segment Information [Line Items]
Total Revenues	28,876	32,298
Data Management
Segment Information [Line Items]
Total Revenues	141,977	147,248
Data Management | Global RIM Business
Segment Information [Line Items]
Total Revenues	125,898	133,102
Data Management | Global Data Center Business
Segment Information [Line Items]
Total Revenues	0	0
Data Management | Corporate and Other Business
Segment Information [Line Items]
Total Revenues	16,079	14,146
Information Destruction
Segment Information [Line Items]
Total Revenues	102,905	111,683
Information Destruction | Global RIM Business
Segment Information [Line Items]
Total Revenues	102,905	111,683
Information Destruction | Global Data Center Business
Segment Information [Line Items]
Total Revenues	0	0
Information Destruction | Corporate and Other Business
Segment Information [Line Items]
Total Revenues	0	0
Data Center
Segment Information [Line Items]
Total Revenues	67,357	61,536
Data Center | Global RIM Business
Segment Information [Line Items]
Total Revenues	0	0
Data Center | Global Data Center Business
Segment Information [Line Items]
Total Revenues	67,357	61,536
Data Center | Corporate and Other Business
Segment Information [Line Items]
Total Revenues	$ 0	$ 0