Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest Income
Investment securities	$ 25,381	$ 21,357	$ 72,228	$ 64,600
Residential real estate loans	11,592	12,156	35,216	34,345
Commercial loans	109,514	97,224	314,541	268,806
Consumer and other loans	11,000	11,658	33,771	33,145
Total interest income	157,487	142,395	455,756	400,896
Interest Expense
Deposits	3,952	6,214	14,120	17,179
Securities sold under agreements to repurchase	886	999	2,783	2,687
Federal Home Loan Bank advances	70	2,035	684	8,937
Other borrowed funds	173	47	473	123
Subordinated debentures	1,003	1,652	3,705	5,014
Total interest expense	6,084	10,947	21,765	33,940
Net Interest Income	151,403	131,448	433,991	366,956
Credit loss expense	2,869	0	39,165	57
Net interest income after credit loss expense	148,534	131,448	394,826	366,899
Non-Interest Income
Service charges and other fees	13,404	15,138	38,790	53,178
Miscellaneous loan fees and charges	2,084	1,775	5,051	3,934
Gain on sale of loans	35,516	10,369	73,236	23,929
Gain on sale of debt securities	24	13,811	1,015	14,158
Other income	2,639	1,956	10,071	7,158
Total non-interest income	53,667	43,049	128,163	102,357
Non-Interest Expense
Compensation and employee benefits	64,866	62,509	182,507	167,210
Occupancy and equipment	9,369	8,731	27,945	25,348
Advertising and promotions	2,779	2,719	7,404	7,874
Data processing	5,597	4,466	15,921	12,420
Other real estate owned	186	166	373	496
Regulatory assessments and insurance	1,495	593	3,622	3,726
Loss on termination of hedging activities	0	13,528	0	13,528
Core deposit intangibles amortization	2,612	2,360	7,758	5,919
Other expenses	18,786	15,603	50,229	43,154
Total non-interest expense	105,690	110,675	295,759	279,675
Income Before Income Taxes	96,511	63,822	227,230	189,581
Federal and state income tax expense	18,754	12,212	42,690	36,447
Net Income	$ 77,757	$ 51,610	$ 184,540	$ 153,134
Basic earnings per share (in dollars per share)	$ 0.81	$ 0.57	$ 1.95	$ 1.76
Diluted earnings per share (in dollars per share)	0.81	0.57	1.95	1.76
Dividends declared per share (in dollars per share)	$ 0.30	$ 0.29	$ 0.88	$ 0.82
Average outstanding shares - basic (in shares)	95,411,656	90,294,811	94,704,198	86,911,402
Average outstanding shares - diluted (in shares)	95,442,576	90,449,195	94,747,894	87,082,178