Fair Value of Financial Instruments (Details-1) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Liabilities:
Unamortized discount and debt issuance costs, net		$ 4,200	$ 4,300
Carrying Amount [Member]
Liabilities:
Long-term debt	[1]	622,238	623,449
Fair Value [Member]
Liabilities:
Long-term debt	[1]	$ 643,259	$ 729,914

[1] Includes long-term debt due within one year. Excludes debt issuance costs and unamortized discount of $4.2 million and $4.3 million as of March 31, 2022, and December 31, 2021, respectively.