Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest income:
Interest and fees on loans	$ 99,655	$ 89,861	$ 186,519	$ 179,273
Interest on securities
Taxable	6,499	3,844	11,919	6,663
Tax-exempt	1,842	1,933	3,708	3,889
Other	2,218	691	3,195	1,289
Total interest income	110,214	96,329	205,341	191,114
Interest expense:
Interest expense on deposits	6,591	7,919	12,053	17,745
Interest expense on borrowings	1,452	1,847	2,935	4,230
Total interest expense	8,043	9,766	14,988	21,975
Net interest income	102,171	86,563	190,353	169,139
Provision for credit losses	8,181	(12,885)	2,052	(24,517)
Provision for credit losses on unfunded commitments	4,137	(954)	6,019	(3,176)
Net interest income after provisions for credit losses	89,853	100,402	182,282	196,832
Noninterest income:
(Loss) gain from securities, net	(109)	144	(261)	227
(Loss) gain on sales or write-downs of other real estate owned	(26)	(23)	(524)	473
Gain (loss) from other assets	18	(4)	82	(15)
Other income	236	3,038	2,550	5,180
Total noninterest income	33,214	49,300	74,606	116,030
Noninterest expenses:
Salaries, commissions and employee benefits	55,181	62,367	114,624	126,938
Occupancy and equipment expense	5,853	5,356	11,256	11,205
Legal and professional fees	3,116	2,090	5,723	4,524
Data processing	2,404	2,542	4,885	4,861
Amortization of core deposit and other intangibles	1,194	1,394	2,438	2,834
Advertising	2,031	3,559	6,064	5,812
Mortgage restructuring expense	12,458	0	12,458	0
Other expense	14,760	15,652	28,821	31,484
Total noninterest expense	96,997	92,960	186,269	187,658
Income before income taxes	26,070	56,742	70,619	125,204
Income tax expense	6,717	13,440	16,030	29,028
Net income applicable to FB Financial Corporation and noncontrolling interest	19,353	43,302	54,589	96,176
Net income applicable to noncontrolling interest	8	8	8	8
Net income applicable to FB Financial Corporation	$ 19,345	$ 43,294	$ 54,581	$ 96,168
Earnings per common share
Basic (in dollars per share)	$ 0.41	$ 0.91	$ 1.15	$ 2.03
Diluted (in dollars per share)	$ 0.41	$ 0.90	$ 1.15	$ 2.00
Mortgage banking income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	$ 22,559	$ 35,499	$ 52,090	$ 90,831
Service charges on deposit accounts
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	2,908	2,266	5,822	4,605
ATM and interchange fees
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	5,353	5,381	10,440	9,722
Investment services and trust income
Noninterest income:
Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income	$ 2,275	$ 2,999	$ 4,407	$ 5,007