Parent Company Condensed Financial Information - Statements of Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Income Statements, Captions [Line Items]
Total Interest and Dividend Income	$ 340,751	$ 289,262	$ 320,464
Interest expense on long-term debt	411	458	1,201
Income tax benefit	33,410	25,325	(1)
Equity in undistributed net income (distribution in excess of net income) of:
Net Income	135,520	110,343	21,040
Parent Company
Condensed Income Statements, Captions [Line Items]
Dividends from subsidiaries	61,426	62,333	59,315
Investment income	0	0	0
Total Interest and Dividend Income	61,426	62,333	59,315
Interest expense on long-term debt	1,545	1,400	1,696
Other expenses	4,112	3,947	4,464
Total Expense	5,657	5,347	6,160
Income before income tax and undistributed net income of subsidiaries	55,769	56,986	53,155
Income tax benefit	(1,208)	(1,140)	(1,315)
Income before undistributed net income of subsidiaries	56,977	58,126	54,470
Equity in undistributed net income (distribution in excess of net income) of:
Bank subsidiary	79,566	57,025	(27,529)
Non-bank subsidiaries	(1,023)	(4,808)	(5,901)
Net Income	$ 135,520	$ 110,343	$ 21,040