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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share based compensation cost	$ 1,797	$ 1,797
Compensation expense recognized		123	$ 95
Share-based compensation expense not yet recognized	$ 1,046	$ 1,046	$ 964
Plan 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Capital shares reserved for future issuance (in shares)				400,000
Plan 2010 | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants during the period (in shares)	163,192
Shares	75,804	75,804

X

- Definition

Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Recognized And Not yet Recognized

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate number of common shares reserved for future issuance.

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Unrecognized cost of unvested share-based compensation awards.

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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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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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