Parent Company Condensed Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Cash and due from banks, including interest-bearing deposits of $857,192 and $158,903 at December 31, 2021 and December 31, 2020	$ 922,215	$ 229,666
Investments in:
Other assets	226,430	304,716
Total Assets	9,488,529	8,967,897
LIABILITIES
Other liabilities	124,237	164,721
Total Liabilities	8,282,075	7,813,186
Total Shareholders’ Equity	1,206,454	1,154,711	$ 1,191,998	$ 935,761
Total Liabilities and Shareholders’ Equity	9,488,529	8,967,897
Parent Company
ASSETS
Cash and due from banks, including interest-bearing deposits of $857,192 and $158,903 at December 31, 2021 and December 31, 2020	10,769	6,585
Investments in:
Bank subsidiary	1,209,796	1,168,831
Non-bank subsidiaries	5,684	10,493
Other assets	9,993	8,614
Total Assets	1,236,242	1,194,523
LIABILITIES
Long-term debt	29,521	39,317
Other liabilities	267	495
Total Liabilities	29,788	39,812
Total Shareholders’ Equity	1,206,454	1,154,711
Total Liabilities and Shareholders’ Equity	$ 1,236,242	$ 1,194,523