Common Stock, Aggregate Offering Price

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- Definition

Common Stock, Available for Issuance

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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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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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Aggregate dividends paid during the period for each share of preferred stock outstanding.

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The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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- Definition

Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.

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Common Stock and Other Equity Related Transactions - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands											9 Months Ended
	Oct. 12, 2018	Jul. 13, 2018	Apr. 13, 2018	Jan. 12, 2018	Oct. 13, 2017	Sep. 25, 2017	Jul. 14, 2017	Jun. 30, 2017	Apr. 14, 2017	Mar. 31, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Nov. 02, 2017	Nov. 01, 2017
Class of Stock [Line Items]
Common stock, dividends paid (usd per share)		$ 0.5500	$ 0.550	$ 0.4875	$ 0.4875		$ 0.4875		$ 0.4875
Common stock, par value (usd per share)											$ 0.01		$ 0.01
Common stock, available for issuance											$ 71,200
OP units were exchanged for an equal number of shares of common stock (OP Units)											87,718	1,335,247
Preferred stock, dividend rate (percentage)											6.75%
Series C Preferred stock redemption												$ 138,400
Dividends paid per share (usd per share)						$ 0.421875		$ 0.421875		$ 0.421875
Subsequent Event
Class of Stock [Line Items]
Common stock, dividends paid (usd per share)	$ 0.5500
Private Placement
Class of Stock [Line Items]
Aggregate offering price														$ 200,000	$ 125,000