Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Financial Information

The following tables present selected financial information with respect to the Company’s reportable segments for the three and nine months ended September 30, 2025 and 2024.

Three Months Ended September 30, 2025	Banking		Mortgage		Consolidated
Interest income	$	236,073	$	825	$	236,898
Interest expense	91,214		(1,556)		89,658
Net interest income	144,859		2,381		147,240
Provisions for credit losses	34,070		347		34,417
Net interest income after provision for credit losses	110,789		2,034		112,823
Mortgage banking income	—		16,874		16,874
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(3,390)		(3,390)
Other noninterest income	13,078		73		13,151
Total noninterest income	13,078		13,557		26,635
Salaries, commissions and employee benefits	51,441		7,769		59,210
Merger and integration costs	16,057		—		16,057
Depreciation and amortization	3,167		18		3,185
Amortization of intangibles	2,079		—		2,079
Other noninterest expense(2)	24,225		5,100		29,325
Total noninterest expense	96,969		12,887		109,856
Income before income taxes	$	26,898	$	2,704	$	29,602
Income tax expense					6,227
Net income applicable to FB Financial Corporation and noncontrolling interest					23,375
Net income applicable to noncontrolling interest					—
Net income applicable to FB Financial Corporation					$	23,375
Total assets	$	15,598,629	$	637,830	$	16,236,459
Goodwill	350,353		—		350,353

(1) Change in fair value of mortgage servicing rights, net of hedging is included in Mortgage banking income in the Company's consolidated statements of income.

(2) Other noninterest expense includes expenses for occupancy and equipment expense, data processing, advertising, legal and professional fees and other expenses. Additionally, other noninterest expense for Mortgage includes servicing expenses.

Nine Months Ended September 30, 2025	Banking(3)		Mortgage		Consolidated
Interest income	$	595,948	$	2,740	$	598,688
Interest expense	236,421		(4,029)		232,392
Net interest income	359,527		6,769		366,296
Provisions for credit losses	36,841		5,205		42,046
Net interest income after provision for credit losses	322,686		1,564		324,250
Mortgage banking income	—		49,629		49,629
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(10,690)		(10,690)
Other noninterest (loss) income	(23,982)		158		(23,824)
Total noninterest (loss) income	(23,982)		39,097		15,115
Salaries, commissions and employee benefits	131,545		22,647		154,192
Merger and integration costs	19,192		—		19,192
Depreciation and amortization	8,759		61		8,820
Amortization of intangibles	3,366		—		3,366
Other noninterest expense(2)	68,346		16,750		85,096
Total noninterest expense	231,208		39,458		270,666
Income before income taxes	$	67,496	$	1,203	$	68,699
Income tax expense					3,046
Net income applicable to FB Financial Corporation and noncontrolling interest					65,653
Net income applicable to noncontrolling interest(3)					8
Net income applicable to FB Financial Corporation					$	65,645
Total assets	$	15,598,629	$	637,830	$	16,236,459
Goodwill	350,353		—		350,353

(1) Change in fair value of mortgage servicing rights, net of hedging is included in Mortgage banking income in the Company's consolidated statements of income.

(2) Other noninterest expense includes expenses for occupancy and equipment expense, data processing, advertising, legal and professional fees and other expenses. Additionally, other noninterest expense for Mortgage includes servicing expenses.

(3) Banking segment includes noncontrolling interest.

Three Months Ended September 30, 2024	Banking		Mortgage		Consolidated
Interest income	$	185,824	$	(196)	$	185,628
Interest expense	81,489		(1,878)		79,611
Net interest income	104,335		1,682		106,017
Provisions for credit losses	1,861		53		1,914
Net interest income after provision for credit losses	102,474		1,629		104,103
Mortgage banking income	—		16,043		16,043
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(4,490)		(4,490)
Other noninterest (loss) income	(28,370)		320		(28,050)
Total noninterest income	(28,370)		11,873		(16,497)
Salaries, commissions and employee benefits	39,938		7,600		47,538
Depreciation and amortization	3,141		114		3,255
Amortization of intangibles	719		—		719
Other noninterest expense(2)	19,316		5,384		24,700
Total noninterest expense	63,114		13,098		76,212
Income before income taxes	$	10,990	$	404	$	11,394
Income tax expense					1,174
Net income applicable to FB Financial Corporation and noncontrolling interest					10,220
Net income applicable to noncontrolling interest					—
Net income applicable to FB Financial Corporation					$	10,220
Total assets	$	12,337,135	$	583,087	$	12,920,222
Goodwill	242,561		—		242,561

(1) Change in fair value of mortgage servicing rights, net of hedging is included in Mortgage banking income in the Company's consolidated statements of income.

(2) Other noninterest expense includes expenses for occupancy and equipment expense, data processing, advertising, legal and professional fees and other expenses. Additionally, other noninterest expense for Mortgage includes servicing expenses.

Nine Months Ended September 30, 2024	Banking(3)		Mortgage		Consolidated
Interest income	$	539,814	$	(645)	$	539,169
Interest expense	235,824		(4,777)		231,047
Net interest income	303,990		4,132		308,122
Provisions for (reversals of) credit losses	5,131		(211)		4,920
Net interest income after provision for credit losses	298,859		4,343		303,202
Mortgage banking income	—		47,915		47,915
Change in fair value of mortgage servicing rights, net of hedging(1)	—		(11,867)		(11,867)
Other noninterest (loss) income	(19,687)		712		(18,975)
Total noninterest income	(19,687)		36,760		17,073
Salaries, commissions and employee benefits	116,521		21,860		138,381
Depreciation and amortization	8,594		363		8,957
Amortization of intangibles	2,260		—		2,260
Other noninterest expense(2)	58,111		16,016		74,127
Total noninterest expense	185,486		38,239		223,725
Income before income taxes	$	93,686	$	2,864	$	96,550
Income tax expense					18,393
Net income applicable to FB Financial Corporation and noncontrolling interest					78,157
Net income applicable to noncontrolling interest(3)					8
Net income applicable to FB Financial Corporation					$	78,149
Total assets	$	12,337,135	$	583,087	$	12,920,222
Goodwill	242,561		—		242,561

(1) Change in fair value of mortgage servicing rights, net of hedging is included in Mortgage banking income in the Company's consolidated statements of income.

(2) Other noninterest expense includes expenses for occupancy and equipment expense, data processing, advertising, legal and professional fees and other expenses. Additionally, other noninterest expense for Mortgage includes servicing expenses.

(3) Banking segment includes noncontrolling interest.