Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income
Interest and fees on loans	$ 23,868	$ 31,294
Interest and dividends on investment securities and restricted stock	835	390
Other interest	215	263
Total interest income	24,918	31,947
Interest expense
Interest on deposits	2,330	6,702
Interest on Federal Home Loan Bank borrowings	352	838
Interest on subordinated notes	964	1,180
Total interest expense	3,646	8,720
Net interest income	21,272	23,227
Provision (recovery) for loan losses	(4,289)	(737)
Net interest income after provision (recovery) for loan losses	25,561	23,964
Non-interest income
Service charges and fees	$ 122	$ 159
Revenue, Product and Service [Extensible List]	sbt:ServiceChargesAndFeesMember	sbt:ServiceChargesAndFeesMember
Gain on sale of mortgage loans held for sale	$ 197	$ 398
Unrealized losses on equity securities	(236)	(90)
Net servicing income (loss)	443	(430)
Income on cash surrender value of bank-owned life insurance	328	313
Other	557	103
Total non-interest income	1,411	453
Non-interest expense
Salaries and employee benefits	9,617	7,848
Occupancy and equipment	2,142	2,196
Professional fees	5,157	8,755
FDIC assessments	369	719
Data processing	805	346
Net recovery of mortgage repurchase liability	(213)	(153)
Other	1,546	1,623
Total non-interest expense	19,423	21,334
Income before income taxes	7,549	3,083
Income tax expense	2,289	758
Net income	$ 5,260	$ 2,325
Income per share, basic	$ 0.10	$ 0.05
Income per share, diluted	$ 0.10	$ 0.05
Weighted average common shares outstanding:
Basic	50,191,288	49,851,202
Diluted	50,406,123	49,912,860