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Basis of Presentation and Significant Accounting Policies - Other Long Term Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Other Liabilities Disclosure [Abstract] | ||
| Holdback for resolution of certain indemnifiable matters | $ 22,500 | |
| Long term portion of deferred rent liability | 4,387 | 2,292 |
| Liability for uncertain tax positions | 916 | 462 |
| Acquisition lease liability | 233 | 280 |
| Long term portion of vacant rent liability | 143 | 164 |
| Other | 45 | 187 |
| Total Other Long Term Liabilities | $ 28,224 | $ 3,385 |