Notes Payable, Long-Term Debt and Other Obligations (Other Schedules) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 24, 2014
Debt Instrument [Line Items]
Interest expense associated with embedded derivatives	$ 439	$ 393	$ 5,628
Fair Value Of Derivatives [Roll Forward]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	Change in fair value of derivatives embedded within convertible debt
Variable Interest Senior Convertible Debt | 5.5% Convertible Notes
Debt Instrument [Line Items]
Interest rate				5.50%
Interest expense associated with embedded derivatives	$ 0	0	4,053
Gain on changes in fair value of derivatives embedded within convertible debt	0	0	4,999
Fair Value Of Derivatives [Roll Forward]
Gain from changes in fair value of embedded derivatives	0	0	(4,999)
Interest expense associated with beneficial conversion feature	0	0	1,223
Unamortized Debt Discount Reconciliation [Roll Forward]
Beginning balance of unamortized discount		0	5,276
Amortization of embedded derivatives			(4,053)
Amortization of beneficial conversion feature	$ 0	0	(1,223)
Ending balance of unamortized discount			0
Variable Interest Senior Convertible Debt | 5.5% Convertible Notes | Embedded Derivatives
Debt Instrument [Line Items]
Gain on changes in fair value of derivatives embedded within convertible debt			4,999
Fair Value Of Derivatives [Roll Forward]
Beginning balance of derivative liability fair value		$ 0	4,999
Gain from changes in fair value of embedded derivatives			(4,999)
Beginning balance of derivative liability fair value			$ 0