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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Supplemental disclosure of non-cash investing activities:    
Capitalized equipment related to the Company's co-location facility $ 144 $ 1,300,000
Net cash paid for income taxes $ 118 $ 1,500,000