Income Taxes Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 7,577	$ 14,485	$ 29,377
State	2,126	5,066	6,452
Deferred:
Federal	(1,929)	(7,702)	(1,174)
State	680	(1,784)	738
Income Tax Expense (Benefit)	$ 8,454	$ 10,065	$ 35,393