Income Taxes Federal and State income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 22,769	$ 14,797	$ 12,700
Current State and Local Tax Expense (Benefit)	1,432	1,191	352
Other Tax Expense (Benefit)	7,046	6,927	7,322
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	(4,812)	(815)	481
Deferred State and Local Income Tax Expense (Benefit)	287	(29)	57
Income taxes	$ 26,722	$ 22,071	$ 20,912