CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Interest income:
Loans, including fees	$ 121,733	$ 116,904
Securities:
Taxable	12,267	8,890
Non taxable	3,546	1,018
Federal funds sold and interest-bearing deposits in banks	685	6,130
Total interest income	138,231	132,942
Interest expense:
Deposits	11,894	22,491
Notes payable & other borrowings	662	2,314
Subordinated debt securities	2,223	1,616
Junior subordinated deferrable interest debentures	1,167	1,946
Total interest expense	15,946	28,367
Net interest income	122,285	104,575
Provision for loan losses	25,570	2,799
Net interest income, after provision for loan losses	96,715	101,776
Noninterest income:
Service charges on deposit accounts	7,032	8,129
Income from insurance activities	7,644	7,016
Net gain on sales of loans	63,531	23,521
Bank card services and interchange fees	10,035	8,692
Realized gain on sale of securities	2,318	0
Investment commissions	1,698	1,710
Fiduciary fees	3,185	2,306
Other	6,160	5,259
Total noninterest income	101,603	56,633
Noninterest expense:
Salaries and employee benefits	89,220	75,392
Occupancy and equipment, net	14,658	13,572
Professional services	6,322	7,334
Marketing and development	3,088	3,017
IT and data services	3,574	2,830
Bank card expenses	4,253	3,346
Appraisal expenses	2,782	1,625
Other	17,818	14,592
Total noninterest expense	141,715	121,708
Income before income taxes	56,603	36,701
Income tax expense	11,250	7,481
Net income	$ 45,353	$ 29,220
Earnings per share:
Basic (in dollars per share)	$ 2.51	$ 1.74
Diluted (in dollars per share)	$ 2.47	$ 1.71
Net income	$ 45,353	$ 29,220
Other comprehensive income:
Change in net unrealized gain (loss) on securities available for sale	28,193	4,025
Change in net gain (loss) on cash flow hedges	(76)	0
Reclassification adjustment for (gain) loss included in net income	(2,318)	28
Tax effect	(5,418)	(852)
Other comprehensive income	20,381	3,201
Comprehensive income	$ 65,734	$ 32,421