Commitments and Contingencies - Narrative - Capital Lease Commitments (Details) ft² in Thousands	1 Months Ended
Oct. 31, 2017 USD ($) ft²	Sep. 30, 2017 USD ($) ft²
Office Building
Loss Contingencies [Line Items]
Area of of real property \| ft²		122
Capital lease commitment period		20 years
Future minimum payments		$ 48,800,000
Present value of net minimum payments		25,100,000
Minimum lease payments in 2017		0
Minimum lease payments in 2018		1,200,000
Minimum lease payments in 2019		2,000,000
Minimum lease payments in 2020		2,000,000
Minimum lease payments in 2021		$ 2,000,000
Manufacturing Facility \| Subsequent Event
Loss Contingencies [Line Items]
Area of of real property \| ft²	136
Capital lease commitment period	31 years
Future minimum payments	$ 32,800,000
Present value of net minimum payments	21,000,000
Minimum lease payments in 2017	0
Minimum lease payments in 2018	900,000
Minimum lease payments in 2019	1,600,000
Minimum lease payments in 2020	1,600,000
Minimum lease payments in 2021	$ 1,600,000

Capital Leases of Lessee, Term of Contract

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Area of a real estate property.

+ References

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Amount of minimum lease payments for capital leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

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Amount of minimum lease payments for capital leases due in the fifth 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.

+ References

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Amount of minimum lease payments for capital leases 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.

+ References

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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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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 minimum lease payments for capital leases due in the remainder of the 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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