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Restructuring and Related Charges (Details) - Lease and related costs [Member] - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Schedule of restructuring liability    
Balance at beginning of period [1] $ 20,055 $ 27,283
Adjustments [2] (1,526) 112
Payments (1,535) (1,765)
Balance at end of period [1] $ 16,994 $ 25,630
[1] The current portion of restructuring liabilities was $4.8 million and $5.1 million as of December 31, 2015 and March 31, 2016, respectively, which are included in accounts payable and accrued expenses. The long-term portion is included in other long-term liabilities.
[2] Adjustments include accretion of interest on lease costs, partially offset by changes in the timing and expected income from sublease agreements.