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Stock-Based and Other Long-Term Incentive Compensation - Other Long-Term Incentive Compensation Narrative (Details) - Other Long-Term Incentive Compensation $ in Thousands		12 Months Ended
	Apr. 28, 2020 USD ($) independent_director	Dec. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 1,100
Award vesting period	3 years
Stock based compensation expense		$ 400
Total unrecognized compensation expense		$ 800
Recognition period		2 years 3 months
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 50
Award vesting period	1 year
Number of independent directors | independent_director	4

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

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