Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum payments for non-cancellable operating lease agreements
Aggregate future minimum payments in respect of non-cancellable operating lease agreements as of December 31, 2014, which extend until 2025, are as follows (in thousands):

 
Operating Leases
2015
$
20,747

2016
19,529

2017
19,847

2018
16,901

2019
15,752

After 2019
53,633

 
$
146,409