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Stock-Based and Other Long-Term Incentive Compensation - Restricted Stock Narrative (Details) $ in Thousands			3 Months Ended
	Mar. 18, 2022	Mar. 18, 2021 independent_director shares	Mar. 31, 2021 USD ($) shares	Mar. 31, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense \| $				$ 485
Total unrecognized compensation expense \| $			$ 0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			146,048
Share-based compensation expense \| $			$ 474
Total unrecognized compensation expense \| $			$ 2,600
Recognition period			2 years
Restricted Stock \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		109,212
Award vesting period		3 years
Restricted Stock \| Chief Financial Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		20,000
Restricted Stock \| Vice President of Technical Services
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		20,000
Restricted Stock \| Executive Officers \| Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Restricted Stock \| Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		5,612
Award vesting period		1 year
Number of independent directors \| independent_director		3