v3.26.3
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Cash flows from operating activities:          
Net income attributable to FB Financial Corporation and noncontrolling interest $ 60,202 $ 23,375 $ 176,385 $ 65,653  
Adjustments to reconcile net income to net cash provided by operating activities:          
Depreciation and amortization of fixed assets and software     9,335 8,820  
Amortization of core deposit and other intangibles     5,414 3,366  
Amortization of subordinated debt issuance costs and fair value discount, net     1,002 556  
Capitalization of mortgage servicing rights     (3,232) (2,498)  
Net change in fair value of mortgage servicing rights (4,820) 4,473 1,154 14,696  
Stock-based compensation expense     8,201 11,567  
Provision for credit losses on loans HFI 1,167 29,957 14,644 30,761  
(Reversal of) provision for credit losses on unfunded commitments 257 4,460 (80) 11,285  
Provision for mortgage loan repurchases     526 233  
Accretion of discounts and premiums on acquired loans, net     (15,660) (6,965)  
Accretion of premiums and discounts on securities, net     (2,585) (2,183)  
Loss from investment securities, net 241 (12) 240 60,521  
Originations of loans held for sale     (971,694) (1,012,802)  
Proceeds from sale of loans held for sale     939,320 989,777  
Gain on sale and change in fair value of loans held for sale     (24,365) (28,780)  
Net loss on write-downs of premises and equipment, other real estate owned and other assets 34 646 731 1,035  
Provision for (reversal of) deferred income taxes     4,298 (4,910)  
Equity method investment loss     1,572 1,733  
Earnings on bank-owned life insurance     (2,865) (1,589)  
Changes in:          
Operating lease assets and liabilities, net     (1,210) (432)  
Other assets and interest receivable     (9,001) (8,585)  
Accrued expenses and other liabilities     (5,946) (28,210)  
Net cash provided by operating activities     126,184 103,049  
Activity in available-for-sale securities:          
Sales 0 440 0 266,894  
Maturities, prepayments and calls 67,409 83,204 200,233 217,865  
Purchases     (304,190) (289,601)  
Purchases of equity securities     (6,000) 0  
Proceeds from sales of equity securities     156 1,345  
Net change in loans     (791,397) (432,487)  
Net purchases of FHLB stock     (4,856) (6)  
Net purchases of Federal Reserve stock     (266) 0  
Purchases of premises and equipment     (4,837) (7,215)  
Proceeds from the sale of premises and equipment     0 1,850  
Proceeds from the sale of other real estate owned     6,338 5,071  
Proceeds from the sale of other assets     1,818 841  
Proceeds from bank-owned life insurance     2,837 690  
Net cash acquired in business combinations     0 370,147  
Net cash (used in) provided by investing activities     (900,164) 135,394  
Cash flows from financing activities:          
Net increase in deposits     756,035 133,991  
Net (decrease) increase in securities sold under agreements to repurchase and federal funds purchased     (72,381) 93,987  
Redemptions of subordinated debt     0 (130,930)  
Issuance of subordinated debt, net of issuance costs     123,050 0  
Stock-based compensation withholding payments     (4,061) (2,787)  
Net proceeds from sale of common stock under employee stock purchase program     1,095 897  
Repurchase of common stock     (135,323) (68,013)  
Dividends paid on common stock     (32,183) (27,729)  
Dividend equivalent payments made upon vesting of equity compensation     (450) (306)  
Noncontrolling interest distribution     (8) (8)  
Net cash provided by (used in) financing activities     635,774 (898)  
Net change in cash and cash equivalents     (138,206) 237,545  
Cash and cash equivalents at beginning of the period     1,155,895 1,042,488 $ 1,042,488
Cash and cash equivalents at end of the period 1,017,689 1,280,033 1,017,689 1,280,033 $ 1,155,895
Supplemental cash flow information:          
Interest paid     242,009 240,014  
Taxes paid, net of refunds     13,940 12,393  
Supplemental noncash disclosures:          
Transfers from loans HFI to other real estate owned 963 1,975 4,555 5,272  
Transfers from loans HFI to other assets     5,503 4,534  
Transfers from loans HFI to loans held for sale     1,549 5,306  
Transfers from loans held for sale to loans HFI     5,327 7,481  
Loans HFI provided for sales of other assets     1,828 2,074  
Increase (decrease) in rebooked GNMA loans under optional repurchase program     1,032 (9,697)  
Stock consideration paid in business combination     0 368,028  
Trade date payable - securities 9,900 25,036 9,900 25,036  
Dividends declared not paid on restricted stock units and performance stock units $ 397 $ 309 397 309  
Right-of-use assets obtained in exchange for operating lease liabilities     $ 1,082 $ 6,404