Share-based Compensation Arrangement by Share-based Payment Award, Award Required Holding Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Offering Period

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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Number of shares authorized for issuance under share-based payment arrangement.

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Number of options outstanding, including both vested and non-vested options.

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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Amount of stock repurchase plan authorized.

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Stockholders' Equity - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Oct. 23, 2019	Dec. 31, 2018	Aug. 31, 2018	May 16, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized (shares)	75,000,000		75,000,000
Common stock par value (usd per share)	$ 0.0001		$ 0.0001
Preferred stock authorized (shares)	25,000,000		25,000,000
Preferred stock par value (usd per share)	$ 0.0001		$ 0.0001
Options outstanding (shares)	0		0			0
Common stock outstanding (shares)	18,827,770		18,827,770			19,389,066
Preferred stock outstanding (shares)	0		0			0
Stock repurchase authority							$ 10,000,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend rate (usd per share)					$ 0.125
Dividends declared					$ 2,400,000
2012 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)								2,194,986
2012 Equity Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			1 year
2012 Equity Plan \| Restricted Stock and Restricted Stock Units with Contingent Performance Requirements
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
2012 Equity Plan \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Performance-based RSUs \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, nonvested (shares)	616,080		616,080			404,325
2011 Long Term Incentive Plan \| Restricted Stock and Restricted Stock Units with Contingent Performance Requirements
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, nonvested (shares)	358,218		358,218
2011 Long Term Incentive Plan \| Restricted Stock and Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized, share-based awards other than options	$ 4,000,000		$ 4,000,000
Weighted-average period over which cost is expected to be recognized			1 year 8 months
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)	250,000		250,000
Award required holding period			2 years
Stock purchased during period (shares)	9,876	11,581	9,876	11,581
Stock purchased during period	$ 100,000	$ 100,000	$ 100,000	$ 100,000
ESPP \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering period, maximum			6 months