Stock-Based Compensation - Additional Information (Details)	Sep. 30, 2019 USD ($) $ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Unrecognized stock-based compensation	$ 11,046,000
Intrinsic value of exercisable stock options	$ 7,594,000
Intrinsic value of exercisable fair value per share \| $ / shares	$ 8.43

Share based compensation arrangement by share based payment award fair value of options exercisable intrinsic fair value per share.

No definition available.

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- References

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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