Subsequent Events - Additional Information (Details) - 2017 Equity Incentive Plan - Subsequent Event	Mar. 27, 2019 shares
Subsequent Event [Line Items]
Number of shares, granted	28,755
Remaining vesting period	4 years
Performance Based Grants
Subsequent Event [Line Items]
Number of shares, granted	15,025
Chief Executive Officer and President
Subsequent Event [Line Items]
Number of shares, granted	8,025
Chief Executive Officer and President \| Continued Employment
Subsequent Event [Line Items]
Number of shares, granted	8,025
Chief Financial Officer and General Counsel
Subsequent Event [Line Items]
Number of shares, granted	3,500
Chief Financial Officer and General Counsel \| Continued Employment
Subsequent Event [Line Items]
Number of shares, granted	3,500
Minimum
Subsequent Event [Line Items]
Stock vested percentage based on achievement of goal	0.00%
Maximum
Subsequent Event [Line Items]
Stock vested percentage based on achievement of goal	200.00%

Share based compensation arrangement by share based payment award award remaining vesting period.

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- Definition

Sharebased compensation arrangement by sharebased payment award award vesting rights percentage based on achievement of goal.

+ References

No definition available.

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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 (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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