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, including fees	$ 54,185	$ 60,211	$ 131,698	$ 137,039
Taxable investment securities	2,712	3,284	5,495	6,875
Federal Home Loan Bank stock and other	194	2,169	1,057	4,383
Total interest income	57,091	65,664	138,250	148,297
INTEREST EXPENSE:
Deposits	3,647	6,903	9,949	13,651
Securities sold under agreements to repurchase and other short-term borrowings	17	330	136	751
Federal Reserve Payment Protection Plan Liquidity Facility	105		105
Federal Home Loan Bank advances	822	4,062	2,470	6,792
Subordinated note	295	423	647	858
Total interest expense	4,886	11,718	13,307	22,052
NET INTEREST INCOME	52,205	53,946	124,943	126,245
Provision for expected credit loss expense	6,534	4,460	29,294	21,691
NET INTEREST INCOME AFTER PROVISION	45,671	49,486	95,649	104,554
NONINTEREST INCOME:
Service charges on deposit accounts	2,451	3,598	5,587	6,901
Net refund transfer fees	2,913	3,629	18,736	20,729
Mortgage banking income	8,398	2,416	13,193	3,955
Interchange fee income	2,808	3,257	5,360	6,014
Program fees	1,138	1,037	3,762	2,111
Increase in cash surrender value of bank owned life insurance	395	377	784	759
Net gains on other real estate owned	1	90	4	220
Other	647	721	1,894	1,853
Total noninterest income	18,751	15,125	49,320	42,542
NONINTEREST EXPENSE:
Salaries and employee benefits	26,324	25,286	52,946	50,362
Occupancy and equipment, net	6,715	6,472	13,561	13,056
Communication and transportation	1,353	1,071	2,642	2,232
Marketing and development	1,018	1,278	1,851	2,380
FDIC insurance expense	299	295	299	743
Bank franchise tax expense	914	935	3,420	3,431
Data processing	2,753	2,217	5,292	4,313
Interchange related expense	1,173	1,302	2,249	2,617
Supplies	539	582	991	1,066
Other real estate owned and other repossession expense	21	148	39	194
Legal and professional fees	1,025	844	2,262	1,730
Other	2,691	2,998	6,242	6,813
Total noninterest expense	44,825	43,428	91,794	88,937
INCOME BEFORE INCOME TAX EXPENSE	19,597	21,183	53,175	58,159
INCOME TAX EXPENSE	3,793	3,176	10,674	10,636
NET INCOME	$ 15,804	$ 18,007	$ 42,501	$ 47,523
Class A Common Stock
BASIC EARNINGS PER SHARE:
Basic earnings per share (in dollars per share)	$ 0.77	$ 0.86	$ 2.04	$ 2.29
DILUTED EARNINGS PER SHARE:
Diluted earnings per share (in dollars per share)	0.76	0.86	2.04	2.28
Class B Common Stock
BASIC EARNINGS PER SHARE:
Basic earnings per share (in dollars per share)	0.69	0.79	1.86	2.08
DILUTED EARNINGS PER SHARE:
Diluted earnings per share (in dollars per share)	$ 0.69	$ 0.78	$ 1.85	$ 2.07