Business Combinations - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total interest income	$ 233,691	$ 184,079	$ 596,991	$ 545,688
Total interest expense	18,109	12,809	41,268	47,570
Net Interest Income	215,582	171,270	555,723	498,118
Net Interest Income After Provision for Credit Losses	196,624	171,870	542,215	507,718
Total noninterest income	59,162	62,577	172,809	209,864
Total noninterest expense	169,558	144,596	465,266	463,811
Income taxes	15,357	$ 14,268	$ 44,610	$ 40,160
Prudential
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total interest income	10,871
Total interest expense	2,733
Net Interest Income	8,138
Provisions for credit losses	7,571
Net Interest Income After Provision for Credit Losses	567
Total noninterest income	197
Total noninterest expense	3,583
Income Before Income Taxes	(2,819)
Income taxes	(753)
Net Loss	$ (2,066)