Property and Equipment - Summary of Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 291,178	$ 214,643
Less accumulated depreciation	(105,626)	(71,723)
Property and equipment, Net	185,552	142,920
Computer, Office and Communication Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	116,628	87,045
Computer, Office and Communication Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Computer, Office and Communication Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful Life	Life of lease
Property and equipment, Gross	49,411	48,276
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	20,327	19,231
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	10 years
Purchased and Capitalized Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 104,812	$ 60,091
Purchased and Capitalized Software [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Purchased and Capitalized Software [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	5 years

INTERACTIVE DATA CORP/MA/ 10-K