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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2015
Commitments and Contingencies [Abstract]  
Summary of Contractual Cash Obligation of Operating Lease Commitments
  Amount of Commitment Expiration per Period                 
      Less than   1-3   3-5   Over 5
(In thousands)   Total   1 Year   Years   Years   Years
Operating lease commitments   $ 6,834   $ 1,321   $ 2,350   $ 1,459   $ 1,704
Time deposits     70,484   56,742   12,690   1,052  
       Total     $ 77,318   $ 58,063   $ 15,040   $ 2,511   $ 1,704