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Commitments and Contingencies - Future Minimum Annual Lease Payments (Details) $ in Thousands	Mar. 31, 2017 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Operating leases Remainder of 2017	$ 1,205
Operating leases 2018	1,556
Operating leases 2019	1,543
Operating leases 2020	1,538
Operating leases 2021 and thereafter	971
Total Operating leases	6,813
Capital leases Remainder of 2017	261
Capital leases 2018	68
Total Capital leases	329
Less: amount representing interest	(15)
Present value of minimum lease payments	314
Current portion of capital leases	(270)
Capital leases, less current portion	$ 44

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Operating Leases, Future Minimum Payments, Due in Five Years and Thereafter

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for 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. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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