(9) Income Taxes (Details - Income tax expense) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Current federal tax expense	$ (23,576)	$ (574)	$ (7,526)
Current state tax expense	472	105	(2,064)
Deferred federal tax expense	18,937	2,759	9,074
Deferred state tax expense	2,610	1,466	4,357
Income tax expense	$ (1,557)	$ 3,756	$ 3,841