Consolidated balance sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks	$ 206,250	$ 110,991
Federal funds sold	104,153	121,153
Interest-bearing deposits in financial institutions	1,584,730	1,085,754
Cash and cash equivalents	1,895,133	1,317,898
Investments:
Available-for-sale debt securities, at fair value	1,225,178	1,172,400
Equity securities, at fair value	4,667	4,591
Federal Home Loan Bank stock, at cost	31,757	31,232
Loans held for sale, at fair value	1,009,762	899,173
Loans	7,047,342	7,082,959
Less: allowance for credit losses	157,954	170,389
Net loans	6,889,388	6,912,570
Premises and equipment, net	143,467	145,115
Other real estate owned, net	11,177	12,111
Operating lease right-of-use assets	48,453	49,537
Interest receivable	44,393	43,603
Mortgage servicing rights, at fair value	104,192	79,997
Goodwill	242,561	242,561
Core deposit and other intangibles, net	20,986	22,426
Other assets	264,712	274,116
Total assets	11,935,826	11,207,330
Deposits
Noninterest-bearing	2,431,077	2,274,103
Interest-bearing checking	3,097,648	2,491,765
Money market and savings	3,347,731	3,254,915
Customer time deposits	1,342,717	1,375,695
Brokered and internet time deposits	37,713	61,559
Total deposits	10,256,886	9,458,037
Borrowings	180,179	238,324
Operating lease liabilities	54,232	55,187
Accrued expenses and other liabilities	115,333	164,400
Total liabilities	10,606,630	9,915,948
Commitments and contingencies (Note 9)
SHAREHOLDERS' EQUITY
Common stock, $1 par value per share; 75,000,000 shares authorized; 47,331,680 and 47,220,743 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	47,332	47,222
Additional paid-in capital	900,521	898,847
Retained earnings	365,192	317,625
Accumulated other comprehensive income, net	16,058	27,595
Total FB Financial Corporation shareholders' equity	1,329,103	1,291,289
Noncontrolling interest	93	93
Total equity	1,329,196	1,291,382
Total liabilities and shareholders' equity	$ 11,935,826	$ 11,207,330