Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest revenue:
Loans, including fees	$ 118,063	$ 115,259
Investment securities, including tax exempt of $1,523 and $1,169	17,394	20,818
Deposits in banks and short-term investments	1,090	439
Total interest revenue	136,547	136,516
Interest expense:
Deposits	15,075	15,957
Short-term borrowings	1	161
Federal Home Loan Bank advances	1	1,422
Long-term debt	2,864	3,342
Total interest expense	17,941	20,882
Net interest revenue	118,606	115,634
Provision for credit losses	22,191	3,300
Net interest revenue after provision for credit losses	96,415	112,334
Noninterest income:
Brokerage fees	1,640	1,337
Gains from sales of other loans, net	1,674	1,303
Securities losses, net	0	(267)
Other	5,552	6,394
Total noninterest income	25,814	20,968
Total revenue	122,229	133,302
Noninterest expenses:
Salaries and employee benefits	51,358	47,503
Communications and equipment	5,946	5,788
Occupancy	5,714	5,584
Advertising and public relations	1,274	1,286
Postage, printing and supplies	1,670	1,586
Professional fees	4,097	3,161
Lending and loan servicing expense	2,293	2,334
Outside services - electronic banking	1,832	1,609
FDIC assessments and other regulatory charges	1,484	1,710
Amortization of intangibles	1,040	1,293
Merger-related and other charges	808	546
Other	4,022	3,684
Total noninterest expenses	81,538	76,084
Net income before income taxes	40,691	57,218
Income tax expense	8,807	12,956
Net income	31,884	44,262
Net income available to common shareholders	$ 31,641	$ 43,947
Net income per common share:
Basic (in dollars per share)	$ 0.40	$ 0.55
Diluted (in dollars per share)	$ 0.40	$ 0.55
Weighted average common shares outstanding:
Basic (in shares)	79,340	79,807
Diluted (in shares)	79,446	79,813
Service charges and fees
Noninterest income:
Service charges and other related fees	$ 8,638	$ 8,453
Mortgage loan gains and other related fees
Noninterest income:
Service charges and other related fees	$ 8,310	$ 3,748