Commitment and Contingencies (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Operating Leased Assets [Line Items]
Loan Balance	$ 22,500
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	3,750
Long-term Debt, Maturing in Years Two and Three	7,500
Long-term Debt, Maturing in Years Four and Five	11,250
Contractual Obligation	27,456
Contractual Obligation, Less than 1 Year	4,866
Contractual Obligation, 1-3 Years	9,528
Contractual Obligation, 4-5 years	12,270
Contractual Obligation, after 5 years	792
Facility Leases [Member]
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due	4,422
Operating Leases, Less than 1 Year	965
Operating Leases, 1-3 Years	1,824
Operating Leases, 4-5 years	841
Operating Leases, after 5 years	792
Equipment Leases [Member]
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due	485
Operating Leases, Less than 1 Year	102
Operating Leases, 1-3 Years	204
Operating Leases, 4-5 years	179
Contractual Obligation	49
Contractual Obligation, Less than 1 Year	49
Contractual Obligation, 1-3 Years	$ 0