Income Taxes Income Tax Expense Detail (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Abstract]
Current Federal Tax Expense (Benefit)	$ 10,835	$ 14,122	$ 11,985
Current State and Local Tax Expense (Benefit)	4,472	5,698	4,498
Current Income Tax Expense (Benefit)	15,307	19,820	16,483
Deferred Federal Income Tax Expense (Benefit)	736	5,595	5,537
Deferred State and Local Income Tax Expense (Benefit)	7,412	(1,204)	(2,780)
Deferred Income Tax Expense (Benefit)	8,148	4,391	2,757
Income Tax Expense (Benefit)	$ 23,455	$ 24,211	$ 19,240