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Commitments and Contingencies - Operating Leases (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Operating Leases      
Lease Term 6 years    
As Lessor      
Remainder of 2017 $ 13,882    
2018 18,510    
2019 18,313    
2020 17,157    
2021 12,922    
2022 and Thereafter 4,193    
Total future minimum lease payments 84,977    
As Lessee      
Remainder of 2017 9,256    
2018 12,125    
2019 10,936    
2020 9,802    
2021 5,535    
2022 and Thereafter 759    
Total future minimum lease payments 48,413    
Rental expense and rental income for all operating leases      
Rental expense for all operating lease 3,300 $ 3,300  
Prepaid rent and security deposit 11,700   $ 11,800
Prepaid expenses and other current assets      
Rental expense and rental income for all operating leases      
Prepaid rent and security deposit 1,900   1,900
Other assets      
Rental expense and rental income for all operating leases      
Prepaid rent and security deposit $ 9,800   $ 9,900