Cash credit entitlements as a percent of grant.

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- Definition

Restricted stock as a percent of grant.

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans

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- Definition

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

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No definition available.

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- Definition

The Unrecognized expense associated with the restricted stock grants and cash entitlements.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

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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

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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No definition available.

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- Definition

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

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- Definition

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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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Equity Plans and Equity Based Compensation (Additional Information) (Details)		3 Months Ended		6 Months Ended
	Oct. 01, 2019 shares	Jun. 30, 2019 USD ($) Plan shares	Jun. 30, 2018 USD ($) shares	Jun. 30, 2019 USD ($) installment Plan shares	Jun. 30, 2018 USD ($) shares	Dec. 31, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of plans \| Plan		2		2
Number of options granted (in shares)		0	0	0	0
Stock compensation expense \| $		$ 152,000	$ 172,000	$ 302,000	$ 342,000
Unrecognized stock expenses in restricted stock \| $				2,463,000	2,822,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $		0	0	0	0
Unrecognized compensation expense \| $		$ 0	$ 0	$ 0	$ 0
2009 LTIP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for grant (in shares)		0		0
Stock granted during period percentage				60.00%
Stock cash credit entitlement percentage				40.00%
Restricted stock granted during period (in shares)		0	450	24,780	35,310
2009 LTIP Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equal installments \| installment				3
Unvested restricted stock awards (in shares)		69,462		69,462		44,682
2009 LTIP Plan \| Restricted Stock \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period percentage				100.00%
2009 LTIP Plan \| Restricted Stock \| Installment 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period percentage				33.30%
2009 LTIP Plan \| Restricted Stock \| Installment 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period percentage				33.30%
2009 LTIP Plan \| Restricted Stock \| Installment 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period percentage				33.30%
2019 LTIP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for grant (in shares)		1,000,000		1,000,000
2009 Employee Stock Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for grant (in shares)		539,293		539,293
Stock compensation expense \| $		$ 0	$ 0	$ 0	$ 0
Unrecognized compensation expense \| $		$ 0	$ 0	$ 0	$ 0
Discount from market price, offering date				95.00%
Number of shares authorized provided by the plan (in shares)		750,000		750,000
2019 ESPP \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for grant (in shares)	750,000
Share-based Compensation Arrangement by Share-based Payment Award, Offering Period	3 months
Discount from market price, offering date	95.00%