Parent Company Condensed Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks, including interest-bearing deposits of $138,149 and $857,192 at December 31, 2022 and December 31, 2021	$ 210,009	$ 922,215
Investments in:
Other assets	278,828	226,430
Total Assets	9,110,567	9,488,529
LIABILITIES
Other liabilities	266,744	124,237
Total Liabilities	7,925,908	8,282,075
Total Shareholders’ Equity	1,184,659	1,206,454	$ 1,154,711	$ 1,191,998
Total Liabilities and Shareholders’ Equity	9,110,567	9,488,529
Parent Company
ASSETS
Cash and due from banks, including interest-bearing deposits of $138,149 and $857,192 at December 31, 2022 and December 31, 2021	13,817	10,769
Investments in:
Bank subsidiary	1,184,327	1,209,796
Non-bank subsidiaries	4,662	5,684
Other assets	11,819	9,993
Total Assets	1,214,625	1,236,242
LIABILITIES
Long-term debt	29,713	29,521
Other liabilities	253	267
Total Liabilities	29,966	29,788
Total Shareholders’ Equity	1,184,659	1,206,454
Total Liabilities and Shareholders’ Equity	$ 1,214,625	$ 1,236,242