Commitments and Contingencies - Schedule of Future Minimum Rental Payments Required Under Operating Leases in Place (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Future minimum rental payments
2019	$ 14,968	$ 19,742
2020	13,959	13,836
2021	8,802	8,682
2022	8,591	8,471
2023	7,212	7,090
Thereafter	12,477	12,349
Total Payments	66,009	70,170
Present Value Adjustment	6,676
Total	59,333
Sublease Income
2019	(436)	(530)
2020	(872)	(849)
2021	(872)	(849)
2022	(872)	(849)
2023	(872)	(849)
Thereafter	(1,308)	(1,273)
Total Payments	(5,232)	(5,199)
Net Minimum Payments
2019	14,532	19,212
2020	13,087	12,987
2021	7,930	7,833
2022	7,719	7,622
2023	6,340	6,241
Thereafter	11,169	11,076
Total Payments	$ 60,777	$ 64,971

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements in the fifth fiscal year.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year.

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements in the fourth fiscal year.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year.

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements in next twelve months.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year.

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements in the third fiscal year.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year.

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements in second fiscal year.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year.

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Contractually required future rental payments receivable on non-cancelable subleasing arrangements after the fifth fiscal year following the latest fiscal year.

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Amount of required minimum rental payments for net operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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