CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest income:
Loans and leases	$ 58,815	$ 65,599	$ 120,341	$ 128,282
Investment securities, taxable	4,487	5,186	10,037	10,701
Investment securities, tax-exempt	232	353	496	738
Other	316	499	662	937
Total interest income	63,850	71,637	131,536	140,658
Interest expense:
Deposits	8,265	12,978	19,116	24,448
Short-term borrowings	90	540	344	1,471
Subordinated notes	835	928	1,719	1,856
Long-term debt and mandatorily redeemable securities	659	764	1,512	1,508
Total interest expense	9,849	15,210	22,691	29,283
Net interest income	54,001	56,427	108,845	111,375
Provision for loan and lease losses	10,375	4,247	21,728	9,165
Net interest income after provision for loan and lease losses	43,626	52,180	87,117	102,210
Noninterest income:
Mortgage banking	3,315	999	5,651	1,935
Insurance commissions	1,695	1,518	3,576	3,692
Equipment rental	5,990	7,809	12,620	15,791
(Losses) gains on investment securities available-for-sale	(1)	0	279	0
Other	3,142	3,301	5,811	5,757
Total noninterest income	25,241	25,664	49,863	49,788
Noninterest expense:
Salaries and employee benefits	23,999	23,787	48,400	47,282
Net occupancy	2,504	2,481	5,225	5,253
Furniture and equipment	6,258	6,289	12,665	12,313
Professional fees	1,258	1,706	2,700	3,304
Supplies and communication	1,390	1,608	3,024	3,101
FDIC and other insurance	599	608	887	1,253
Business development and marketing	1,121	1,678	2,480	2,627
Loan and lease collection and repossession	838	230	1,601	1,591
Other	1,716	2,566	3,809	2,909
Total noninterest expense	44,825	47,353	91,360	92,557
Income before income taxes	24,042	30,491	45,620	59,441
Income tax expense	5,516	7,074	10,676	13,828
Net income	18,526	23,417	34,944	45,613
Net (income) loss attributable to noncontrolling interests	(24)	(32)	(29)	(32)
Net income available to common shareholders	$ 18,502	$ 23,385	$ 34,915	$ 45,581
Per common share:
Basic net income per common share (in dollars per share)	$ 0.72	$ 0.91	$ 1.36	$ 1.76
Diluted net income per common share (in dollars per share)	0.72	0.91	1.36	1.76
Cash dividends (in dollars per share)	$ 0.28	$ 0.27	$ 0.57	$ 0.54
Basic weighted average common shares outstanding (in shares)	25,540,855	25,615,718	25,532,105	25,687,056
Diluted weighted average common shares outstanding (in shares)	25,540,855	25,615,718	25,532,105	25,687,056
Trust and wealth advisory
Noninterest income:
Trust and wealth advisory, service charges on deposit accounts, and debit card income	$ 5,589	$ 5,583	$ 10,437	$ 10,441
Service charges on deposit accounts
Noninterest income:
Trust and wealth advisory, service charges on deposit accounts, and debit card income	1,910	2,785	4,515	5,283
Debit card
Noninterest income:
Trust and wealth advisory, service charges on deposit accounts, and debit card income	3,601	3,669	6,974	6,889
Leased equipment
Noninterest expense:
Depreciation - leased equipment	$ 5,142	$ 6,400	$ 10,569	$ 12,924