Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 34,083	$ 46,061	$ 70,474	$ 92,903
Other Comprehensive Income (Loss), Net of Tax:
Net Unrealized Gains (Losses) on Investment Securities	9,052	(18,217)	21,990	11,059
Defined Benefit Plans	168	84	337	168
Total Other Comprehensive Income (Loss)	9,220	(18,133)	22,327	11,227
Comprehensive Income	$ 43,303	$ 27,928	$ 92,801	$ 104,130