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Stock-Based Compensation - Summary of Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 4,252	$ 4,936	$ 7,476
Restricted shares | Advisory services fee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	3,716	3,897	6,268
Restricted shares | Management fees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	199	594	768
Restricted shares | Corporate, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	151	298	350
Restricted shares | Corporate, general and administrative | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	186	147	90
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 3,177	$ 958	$ 4,937

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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