Parent Company Financial Information - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
HTM, Amortized cost, after allowance	$ 1,093,374	$ 0
Other assets	162,192	134,711
Total Assets	11,150,854	11,847,310
Liabilities
Other liabilities	94,332	81,527
Long-term borrowings	69,794	69,670
Total Liabilities	9,922,533	10,496,535
Shareholders’ Equity
Common stock	310	316
Additional paid in capital	412,303	434,640
Retained earnings	1,015,215	930,061
Accumulated other comprehensive (loss)	(199,507)	(14,242)
Total Shareholders’ Equity	1,228,321	1,350,775	$ 1,240,892	$ 1,190,681
Total Liabilities and Shareholders’ Equity	11,150,854	11,847,310
Parent Company
Assets
Cash	21,540	41,997
Investment securities available-for-sale, at fair value, net of allowance for credit loss of $0 in 2021	0	43,680
HTM, Amortized cost, after allowance	44,673	0
Investment in subsidiaries	1,240,473	1,342,784
Other assets	9,065	5,150
Total Assets	1,315,751	1,433,611
Liabilities
Other liabilities	17,636	13,166
Long-term borrowings	69,794	69,670
Total Liabilities	87,430	82,836
Shareholders’ Equity
Common stock	310	316
Additional paid in capital	412,303	434,640
Retained earnings	1,015,215	930,061
Accumulated other comprehensive (loss)	(199,507)	(14,242)
Total Shareholders’ Equity	1,228,321	1,350,775
Total Liabilities and Shareholders’ Equity	$ 1,315,751	$ 1,433,611