Employee and Non-Employee Benefit Plans (Details) $ in Thousands	3 Months Ended		9 Months Ended		117 Months Ended
	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) plan shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Dec. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of active equity-based compensation plans | plan			2
Gain (loss) on deferred compensation plan investments | $	$ (118)	$ (103)	$ 272	$ (931)
EDC plan investments | $	2,878		2,878		$ 2,878	$ 2,176
EDC plan current liabilities | $	650		650		650	510
EDC plan noncurrent liabilities | $	$ 2,615		$ 2,615		$ 2,615	$ 2,191
The 2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares approved (in shares)	1,500,000		1,500,000		1,500,000
The Director's Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares approved (in shares)	300,000		300,000		300,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units outstanding (in shares)	226,410		226,410		226,410
Restricted Stock Units (RSUs) | The 2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)					658,081
Restricted Stock Units (RSUs) | The Director's Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)					138,662