Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based compensation expense	$ 1.3	$ 1.1
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock granted (in shares)	142,247
Restricted stock granted, grant date fair value (in dollars per share)	$ 17.26
Employee restricted stock award, vesting period	2 years
Non-employee restricted stock award vest grant over period	1 year
Nonvested restricted shares outstanding (in shares)	153,955
Unrecognized compensation cost	$ 1.9
Unrecognized compensation cost, recognition period	24 years
Restricted Stock \| Grant Date
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock \| First Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock \| Second Anniversary
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock award, vesting percentage	33.33%
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Restricted stock granted (in shares)	10,600
Restricted stock granted, grant date fair value (in dollars per share)	$ 18.08
Amended and Restated 2013 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares reserved for issuance (in shares)	1,700,000
Shares available for issuance (in shares)	769,404
Long Term Incentive Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Performance period	3 years
Service period	2 years

Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period For Nonemployee Directors

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- Definition

The number of years in the performance period for the purpose of setting performance goals for a share-based compensation plan.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 weighted average fair value at grant date for nonvested equity-based awards issued 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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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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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Percentage of vesting of share-based compensation awards.

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Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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