Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income:
Interest and fees on loans	$ 149,220	$ 99,655	$ 289,576	$ 186,519
Interest on securities
Taxable	6,480	6,499	13,050	11,919
Tax-exempt	1,808	1,842	3,612	3,708
Other	12,675	2,218	23,425	3,195
Total interest income	170,183	110,214	329,663	205,341
Interest expense:
Interest (expense) income on deposits	65,257	6,591	118,120	12,053
Interest (expense) income on borrowings	3,383	1,452	6,340	2,935
Total interest expense	68,640	8,043	124,460	14,988
Net interest income	101,543	102,171	205,203	190,353
Provision for credit losses on loans HFI	2,575	8,181	7,572	2,052
Provision for credit losses on unfunded commitments	(3,653)	4,137	(8,159)	6,019
Net interest income after provisions for credit losses	102,621	89,853	205,790	182,282
Noninterest income:
(Loss) gain from securities, net	(28)	(109)	41	(261)
Gain (loss) on sales or write-downs of other real estate owned and     other assets	533	(8)	350	(442)
Other income	2,485	236	6,035	2,550
Total noninterest income	23,813	33,214	47,162	74,606
Noninterest expenses:
Salaries, commissions and employee benefits	52,020	55,181	100,808	114,624
Occupancy and equipment expense	6,281	5,853	12,190	11,256
Legal and professional fees	2,199	3,116	5,307	5,723
Data processing	2,345	2,404	4,458	4,885
Amortization of core deposit and other intangibles	940	1,194	1,930	2,438
Advertising	2,001	2,031	4,134	6,064
Mortgage restructuring expense	0	12,458	0	12,458
Other expense	15,506	14,760	32,905	28,821
Total noninterest expense	81,292	96,997	161,732	186,269
Income before income taxes	45,142	26,070	91,220	70,619
Income tax expense	9,835	6,717	19,532	16,030
Net income applicable to FB Financial Corporation and noncontrolling interest	35,307	19,353	71,688	54,589
Net income applicable to noncontrolling interest	8	8	8	8
Net income applicable to FB Financial Corporation	$ 35,299	$ 19,345	$ 71,680	$ 54,581
Earnings per common share:
Basic (in dollars per share)	$ 0.75	$ 0.41	$ 1.53	$ 1.15
Diluted (in dollars per share)	$ 0.75	$ 0.41	$ 1.53	$ 1.15
Mortgage banking income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	$ 12,232	$ 22,559	$ 24,318	$ 52,090
Service charges on deposit accounts
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	3,185	2,908	6,238	5,822
Investment services and trust income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	2,777	2,275	5,155	4,407
ATM and interchange fees
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	$ 2,629	$ 5,353	$ 5,025	$ 10,440