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

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	May 01, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense not yet recognized	$ 9,967		$ 9,967
Stock-based compensation expense	$ 1,420	$ 1,320	$ 1,948	$ 2,165
Unvested Time- Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average price per share (in dollars per share)	$ 3.14		$ 3.14		$ 3.14	$ 3.14