Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest income
Loans	$ 115,005,000	$ 120,606,000
Securities
Taxable	4,917,000	7,302,000
Tax-exempt	1,657,000	1,454,000
Other	183,000	811,000
Total interest income	121,762,000	130,173,000
Interest expense
Deposits	8,279,000	18,494,000
Borrowings	3,835,000	5,077,000
Total interest expense	12,114,000	23,571,000
Net interest income	109,648,000	106,602,000
Provision for loan losses	0	26,350,000
Provision for other credit losses	0	0
Provision for credit losses	0	26,350,000
Net interest income after provision for credit losses	109,648,000	80,252,000
Noninterest income
Service charges on deposit accounts	8,023,000	9,070,000
Fees and commissions	3,900,000	3,054,000
Insurance commissions	2,237,000	1,991,000
Wealth management revenue	4,792,000	4,002,000
Mortgage banking income	50,733,000	15,535,000
Net gain on sales of securities	1,357,000	0
BOLI income	2,072,000	1,163,000
Other	7,923,000	2,755,000
Total noninterest income	81,037,000	37,570,000
Noninterest expense
Salaries and employee benefits	78,696,000	73,189,000
Data processing	5,451,000	5,006,000
Net occupancy and equipment	12,538,000	14,120,000
Other real estate owned	41,000	418,000
Professional fees	2,921,000	2,641,000
Advertising and public relations	3,252,000	3,400,000
Intangible amortization	1,598,000	1,895,000
Communications	2,292,000	2,198,000
Restructuring charges	292,000	0
Other	8,854,000	12,174,000
Noninterest expense	115,935,000	115,041,000
Income (loss) before income taxes	74,750,000	2,781,000
Income taxes	16,842,000	773,000
Net income (loss)	$ 57,908,000	$ 2,008,000
Basic earnings per share (usd per share)	$ 1.03	$ 0.04
Diluted earnings per share (usd per share)	1.02	0.04
Cash dividends per common share (usd per share)	$ 0.22	$ 0.22