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Stock-Based Compensation - Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Total stock-based compensation expense	$ 10,520	$ 12,072	$ 10,441
Equity awards
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Total stock-based compensation expense	11,336	10,551	8,105
Liability awards
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Total stock-based compensation expense	(816)	$ 1,521	$ 2,336
Reversal of stock-based compensation expense	$ 2,100

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

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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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-Section S99
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