Represents dividends declared to restricted stock awards of which the market conditions will not be met.

No definition available.

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- Definition

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

+ References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

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

+ References

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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.

+ References

No definition available.

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Stock-Based Compensation (Restricted Stock Awards) - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Declared dividends charged to earnings		$ 113		$ 227
Other Operating Income (Expense) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Declared dividends charged to earnings		28		57
General and Administrative Personnel Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Declared dividends charged to earnings		85		170
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expenses	$ 1,722	$ 1,269	$ 3,280	$ 2,523
Total unrecognized compensation expense, Nonvested restricted stock arrangements granted	$ 17,483		$ 17,483		$ 12,661
Recognition of remaining compensation expense over a weighted-average period			2 years 10 months 24 days