Income Taxes (Summary Of Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Federal									$ 20,481	$ 17,248	$ 16,599
State									3,313	3,681	2,478
Total current tax expense									23,794	20,929	19,077
Total deferred tax expense									1,469	2,185	2,640
Income tax expense	$ 6,824	$ 7,421	$ 5,767	$ 5,251	$ 6,237	$ 6,250	$ 5,640	$ 4,987	$ 25,263	$ 23,114	$ 21,717