Share-Based Compensation - Schedule of restricted stock activity (Details) - Restricted Stock - $ / shares	1 Months Ended	3 Months Ended	12 Months Ended
Oct. 31, 2018	Mar. 30, 2019	Dec. 31, 2018
Number of Shares of Restricted Stock
Outstanding, beginning balance (in shares)		100,127
Granted (in shares)	135,791	0
Vested/Released (in shares)		(12,946)
Cancelled/Forfeited (in shares)		0
Outstanding, ending balance (in shares)		87,181	100,127
Restricted Stock Activity, Additional Disclosures
Weighted Average Remaining Contractual Life (Years)		1 year 4 months 24 days	1 year 7 months 6 days
Weighted Average Grant Date Fair Value Per Share (in dollars per share)	$ 17.03	$ 17.03	$ 17.03

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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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).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Paragraph 2
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