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Stock-Based and Other Long-Term Incentive Compensation - Restricted Stock Narrative (Details) - Restricted Stock $ in Millions				12 Months Ended
	Jun. 17, 2021 shares	Apr. 01, 2021 shares	Mar. 18, 2021 independent_director executive_officer shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 shares	Jun. 20, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)				276,319	258,101	279,766
Granted (in shares)				156,339	123,185
Stock based compensation expense | $				$ 1.7	$ 2.2
Total unrecognized compensation expense | $				$ 1.4
Recognition period				3 years
Chief Financial Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			129,212
Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years		3 years
Number of executive officers | executive_officer			2
Vice President of Technical Services
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	5,000
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				1 year
Granted (in shares)		5,291	5,612
Number of independent directors | independent_director			3
Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)							500,000
Shares outstanding (in shares)				276,319
Award vesting period				3 years
2009 Restricted Stock/Units Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance under the equity incentive plan (in shares)				47,135

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