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Stock-Based and Other Long-Term Incentive Compensation - Stock Options Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 16, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	5,000	0
Weighted average grant date fair value of options granted (in dollars per share)	$ 2.07	$ 0	$ 0
Total intrinsic value of options exercised	$ 0	$ 474,000
Proceeds from exercise of stock options	0	506,000
Unrecognized compensation cost related to stock options	0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 19,366	$ 124,000
Stock Options | 1998 Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Award expiration period	10 years
Stock Options | 1998 Stock Option Plan | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)				1,000,000.0
Number of shares available for grant (in shares)	384,503

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

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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