Income Taxes Income Tax Disclosure (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Other Tax Expense (Benefit)	$ 7,200
Deferred Tax Assets, Gross	29,295	$ 20,483
Deferred Tax Liabilities, Gross	23,112	10,852
Deferred Tax Assets, Net of Valuation Allowance	$ 6,183	$ 9,631
Effective Income Tax Rate, Continuing Operations	22.63%	23.15%	23.80%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0	$ 0	$ 0