Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest and dividend income
Loans, including fees	$ 21,315	$ 21,980	$ 64,337	$ 67,924
Loans held-for-sale	39	95	132	241
Securities:
Taxable	1,835	1,458	5,282	5,315
Tax exempt	1,285	1,327	3,851	4,178
Dividends from FHLBC and FRBC stock	114	118	342	366
Interest bearing deposits with financial institutions	203	68	432	185
Total interest and dividend income	24,791	25,046	74,376	78,209
Interest expense
Savings, NOW, and money market deposits	209	299	667	1,319
Time deposits	330	1,084	1,239	4,292
Securities sold under repurchase agreements	15	28	67	167
Other short-term borrowings		24		167
Junior subordinated debentures	286	285	850	1,932
Subordinated debentures	547		1,064
Senior notes	673	673	2,019	2,019
Notes payable and other borrowings	113	144	355	439
Total interest expense	2,173	2,537	6,261	10,335
Net interest and dividend income	22,618	22,509	68,115	67,874
(Release of) provision for credit losses	(1,500)	300	(8,000)	10,413
Net interest and dividend income after (release of) provision for credit losses	24,118	22,209	76,115	57,461
Noninterest income
Mortgage servicing rights mark to market loss	(282)	(160)	(202)	(2,739)
Net gain on sales of mortgage loans	2,186	5,246	7,802	12,123
Securities gains (losses), net	244	(1)	246	(25)
Change in cash surrender value of BOLI	406	459	1,163	942
Death benefit realized on BOLI		(2)		57
Card related income	1,624	1,499	4,737	4,097
Other income	610	420	1,637	1,572
Total noninterest income	9,340	11,685	28,559	28,702
Noninterest expense
Salaries and employee benefits	12,964	12,586	39,366	36,846
Occupancy, furniture and equipment	2,418	2,003	7,188	6,239
Computer and data processing	1,477	1,226	4,079	3,808
FDIC insurance	211	191	604	403
General bank insurance	301	281	854	764
Amortization of core deposit intangible	113	122	348	374
Advertising expense	107	62	262	228
Card related expense	662	566	1,881	1,612
Legal fees	455	169	645	476
Other real estate expense, net	25	125	138	505
Other expense	3,396	2,935	9,903	8,909
Total noninterest expense	22,129	20,266	65,268	60,164
Income before income taxes	11,329	13,628	39,406	25,999
Provision for income taxes	2,917	3,363	10,295	6,221
Net income	$ 8,412	$ 10,265	$ 29,111	$ 19,778
Basic earnings per share	$ 0.30	$ 0.35	$ 1.01	$ 0.67
Diluted earnings per share	0.29	0.34	0.99	0.65
Dividends declared per share	$ 0.05	$ 0.01	$ 0.11	$ 0.03
Deposit Account
Noninterest income
Service charges on deposits	$ 1,368	$ 1,322	$ 3,784	$ 4,168
Trust Income
Noninterest income
Service charges on deposits	2,372	1,889	6,912	5,793
Bank Servicing
Noninterest income
Service charges on deposits	572	521	1,646	1,447
Secondary mortgage fees
Noninterest income
Service charges on deposits	$ 240	$ 492	$ 834	$ 1,267