Commitments and Contingencies (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2015 | |||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||
| Summary of Future Minimum Lease Payments Required under Operating Leases that Have Initial or Remaining Non-Cancelable Lease Terms in Excess of One Year | Future minimum lease payments required under operating leases that have initial or remaining non-cancelable lease terms in excess of one year as of June 30, 2015, are as follows (in thousands):
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