Commitments and Contingencies - Schedule of Aggregate Minimum Future Payments Required on Non-Cancelable Leases (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Minimum Capital Lease Payments
2017	$ 100
2018	100
2019	100
2020	77
2021	4
Total Minimum Lease Payments - Capital Leases	381
Less: Amount Representing Interest	16
Capital Lease Obligation	365
Minimum Operating Lease Payments
2017	22,768
2018	20,564
2019	19,980
2020	19,033
2021	19,528
Thereafter	105,527
Total Minimum Lease Payments - Operating Leases	207,400
Less: Sublease Proceeds	18,588
Net Minimum Lease Payments - Operating Leases	$ 188,812