10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2023

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______________ to __________________.

Commission File No. 0-13660

Seacoast Banking Corporation of Florida

(Exact Name of Registrant as Specified in its Charter)

Florida	59-2260678
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

815 COLORADO AVENUE,	STUART	FL	34994
(Address of Principal Executive Offices)			(Zip Code)

	(772)	287-4000
(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	SBCF	Nasdaq Global Select Market

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.                Yes ☒ No☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).                                Yes ☒ No☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes ☐ No ☒

Common Stock, $0.10 Par Value – 84,609,320 shares as of March 31, 2023

INDEX

 SEACOAST BANKING CORPORATION OF FLORIDA

		PAGE #
Part I	FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Consolidated statements of income – Three months ended March 31, 2023 and 2022	3
	Consolidated statements of comprehensive income – Three months ended March 31, 2023 and 2022	5
	Consolidated balance sheets - March 31, 2023 and December 31, 2022	6
	Consolidated statements of cash flows – Three months ended March 31, 2023 and 2022	7
	Consolidated statements of shareholders' equity - Three months ended March 31, 2023 and 2022	9
	Notes to consolidated financial statements	10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	38
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	62
Item 4.	Controls and Procedures	63
Part II	OTHER INFORMATION
Item 1.	Legal Proceedings	63
Item 1A.	Risk Factors	63
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	64
Item 3.	Defaults upon Senior Securities	64
Item 4.	Mine Safety Disclosures	64
Item 5.	Other Information	64
Item 6.	Exhibits	65
SIGNATURES		67

2

Part I. FINANCIAL INFORMATION

Item 1. Financial Statements

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

	Three Months Ended March 31,
(In thousands, except per share data)	2023		2022
Interest and fees on loans	$	135,168	$	67,118
Interest and dividends on securities	19,349		10,181
Interest on interest bearing deposits and other investments	3,474		933
Total Interest Income	157,991		78,232
Interest on deposits	16,033		767
Interest on time certificates	5,552		468
Interest on borrowed money	5,254		475
Total Interest Expense	26,839		1,710
Net Interest Income	131,152		76,522
Provision for credit losses	31,598		6,556
Net Interest Income after Provision for Credit Losses	99,554		69,966
Noninterest income:
Service charges on deposit accounts	4,242		2,801
Interchange income	4,694		4,128
Wealth management income	3,063		2,659
Mortgage banking fees	426		1,686
Insurance agency income	1,101		—
SBA gains	322		156
BOLI income	1,916		1,334
Other	6,574		3,061
	22,338		15,825
Securities gains (losses), net	107		(452)
Total Noninterest Income	22,445		15,373
Noninterest Expense:
Salaries and wages	47,616		28,219
Employee benefits	8,562		5,501
Outsourced data processing costs	14,553		6,156
Telephone / data lines	1,081		733
Occupancy	6,938		3,986
Furniture and equipment	2,267		1,426
Marketing	2,238		1,171
Legal and professional fees	7,479		4,789
FDIC assessments	1,443		789
Amortization of intangibles	6,727		1,446
Foreclosed property expense and net loss (gain) on sale	195		(164)

3

Provision for credit losses on unfunded commitments	1,239		142
Other	7,137		4,723
Total Noninterest Expense	107,475		58,917
Income Before Income Taxes	14,524		26,422
Provision for income taxes	2,697		5,834
Net Income	$	11,827	$	20,588
Share Data
Net income per share of common stock
Diluted	$	0.15	$	0.33
Basic	0.15		0.34
Average common shares outstanding
Diluted	80,717		61,704
Basic	80,151		61,127

See notes to unaudited consolidated financial statements.

4

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

	Three Months Ended March 31,
(In thousands)	2023		2022
Net Income	$	11,827	$	20,588
Other comprehensive income (loss):
Unrealized gains (losses) on available-for-sale securities, net of tax expense of $5.9 million and net of tax benefit of $20.6 million for the three months ended March 31, 2023 and 2022, respectively	$	18,516	$	(66,012)
Amortization of unrealized (gains) losses on securities transferred to held-to-maturity, net of tax benefit of $3 thousand and net of tax expense of $7 thousand for the three months ended March 31, 2023 and 2022, respectively	(10)		36
Reclassification adjustment for gains included in net income, net of tax expense of $1 thousand for the three months ended March 31, 2023	(4)		—
Unrealized gains (losses) on derivatives designated as cash flow hedges, net of reclassifications to income, net of tax expense of $33 thousand and net of tax benefit of $22 thousand for the three months ended March 31, 2023 and 2022, respectively	98		(64)
Total other comprehensive income (loss)	$	18,600	$	(66,040)
Comprehensive Income (Loss)	$	30,427	$	(45,452)

See notes to unaudited consolidated financial statements.

5

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS (Unaudited)

	March 31,		December 31,
(In thousands, except share data)	2023		2022
Assets
Cash and due from banks	$	180,607	$	120,748
Interest bearing deposits with other banks	610,636		81,192
Total cash and cash equivalents	791,243		201,940
Time deposits with other banks	3,236		3,236
Debt securities:
Securities available-for-sale (at fair value)	2,015,967		1,871,742
Securities held-to-maturity (fair value $618.8 million at March 31, 2023   and $617.7 million at December 31, 2022)	737,911		747,408
Total debt securities	2,753,878		2,619,150
Loans held for sale (at fair value)	2,838		3,151
Loans	10,134,395		8,144,724
Less: Allowance for credit losses	(155,640)		(113,895)
Loans, net of allowance for credit losses	9,978,755		8,030,829
Bank premises and equipment, net	116,522		116,892
Other real estate owned	7,756		2,301
Goodwill	728,396		480,319
Other intangible assets, net	117,409		75,451
Bank owned life insurance	292,545		237,824
Net deferred tax assets	124,301		94,457
Other assets	338,529		280,212
Total Assets	$	15,255,408	$	12,145,762
Liabilities
Deposits	$	12,309,701	$	9,981,595
Securities sold under agreements to repurchase, maturing within 30 days	267,606		172,029
Federal Home Loan Bank ("FHLB") borrowings	385,000		150,000
Subordinated debt	105,804		84,533
Other liabilities	136,213		149,830
Total Liabilities	13,204,324		10,537,987
Shareholders' Equity
Common stock, par value $0.10 per share, authorized 120,000,000 shares, issued 85,093,864 and outstanding 84,609,320 at March 31, 2023, and authorized 120,000,000, issued 72,099,136 and outstanding 71,617,852 shares at December 31, 2022	8,461		7,162
Additional paid-in-capital	1,803,898		1,377,802
Retained earnings	421,271		423,863
Less: Treasury stock	(13,113)		(13,019)
	2,220,517		1,795,808
Accumulated other comprehensive loss, net	(169,433)		(188,033)
Total Shareholders' Equity	2,051,084		1,607,775
Total Liabilities and Shareholders' Equity	15,255,408		12,145,762

See notes to unaudited consolidated financial statements.

6

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Three Months Ended March 31,
(In thousands)	2023		2022
Cash Flows from Operating Activities
Net income	$	11,827	$	20,588
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,066		1,420
Amortization of premiums and discounts on securities, net	(44)		361
Amortization of operating lease right-of-use assets	1,863		990
Other amortization and accretion, net	(6,636)		(1,173)
Stock based compensation	2,642		1,419
Origination of loans designated for sale	(27,576)		(57,625)
Sale of loans designated for sale	28,749		71,210
Provision for credit losses	31,598		6,556
Deferred income taxes	(17,952)		866
Gains on sale of securities	(5)		—
Gains on sale of loans	(860)		(2,324)
Gains on sale and write-downs of other real estate owned	—		(255)
Losses on disposition of fixed assets and write-downs upon transfer of bank premises to other real estate owned	1,154		31
Changes in operating assets and liabilities, net of effects from acquired companies:
Net decrease in other assets	22,516		15,471
Net decrease in other liabilities	(36,297)		(3,001)
Net cash provided by operating activities	$	13,045	$	54,534
Cash Flows from Investing Activities
Maturities and repayments of debt securities available-for-sale	36,850		95,398
Maturities and repayments of debt securities held-to-maturity	11,829		26,430
Proceeds from sale of debt securities available-for-sale	30,490		26,011
Purchases of debt securities available-for-sale	(22,402)		(244,551)
Purchases of debt securities held-to-maturity	—		(134,941)
Maturities of time deposits with other banks	—		498
Net new loans and principal repayments	25,883		(44,256)
Purchases of loans held for investment	—		(111,292)
Proceeds from sale of other real estate owned	—		3,742
Additions to other real estate owned	—		(319)
Proceeds from sale of FHLB and Federal Reserve Bank Stock	28,848		—
Purchase of FHLB and Federal Reserve Bank Stock	(54,642)		(3,347)
Net cash from bank acquisitions	141,674		208,933
Additions to bank premises and equipment	(5,812)		(825)
Net cash provided by (used in) investing activities	$	192,718	$	(178,519)

 See notes to unaudited consolidated financial statements.

7

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Three Months Ended March 31,
(In thousands)	2023		2022
Cash Flows from Financing Activities
Net increase in deposits	$	208,765	$	613,899
Net increase (decrease) in repurchase agreements	95,577		(643)
Net decrease in FHLB borrowings with original maturities of three months or less	40,000		—
Proceeds from FHLB borrowings with original maturities of more than three months	50,000		—
Stock based employee benefit plans	3,617		3,509
Dividends paid	(14,419)		(7,994)
Net cash provided by financing activities	$	383,540	$	608,771
Net increase in cash and cash equivalents	589,303		484,786
Cash and cash equivalents at beginning of period	201,940		737,729
Cash and cash equivalents at end of period	$	791,243	$	1,222,515
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	$	23,457	$	1,673
Cash paid during the period for taxes	6		—
Recognition of operating lease right-of-use assets, other than through bank acquisitions, net of terminations	1,610		3,370
Recognition of operating lease liabilities, other than through bank acquisitions, net of terminations	1,610		3,370
Supplemental disclosure of non-cash investing activities: 1
Transfers from bank premises to other real estate owned	5,455		1,008
1See "Note 11 - Business Combinations" for common stock issued in business combinations.

See notes to unaudited consolidated financial statements.

8

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited)

										Accumulated Other Comprehensive Income (Loss)
	Common Stock			Paid-in Capital		Retained Earnings		Treasury Stock
(In thousands)	Shares	Amount										Total
Balance at December 31, 2022	71,618	$	7,162	$	1,377,802	$	423,863	$	(13,019)	$	(188,033)	$	1,607,775
Comprehensive income (loss)	—	—		—		11,827		—		18,600		30,427
Stock based compensation expense	—	—		2,642		—		—		—		2,642
Common stock transactions related to stock based employee benefit plans	71	8		(79)		—		(94)		—		(165)
Common stock issued for stock options	128	12		3,770		—		—		—		3,782
Issuance of common stock, pursuant to acquisition	12,792	1,279		409,459		—		—		—		410,738
Conversion of options, pursuant to acquisition	—	—		10,304		—		—		—		10,304
Dividends on common stock ($0.17 per share)	—	—		—		(14,419)		—		—		(14,419)
Three months ended March 31, 2023	12,991	1,299		426,096		(2,592)		(94)		18,600		443,309
Balance at March 31, 2023	84,609	$	8,461	$	1,803,898	$	421,271	$	(13,113)	$	(169,433)	$	2,051,084

										Accumulated Other Comprehensive Income (Loss)
	Common Stock			Paid-in Capital		Retained Earnings		Treasury Stock
(In thousands)	Shares	Amount										Total
Balance at December 31, 2021	58,504	$	5,850	$	963,851	$	358,598	$	(10,569)	$	(6,994)	$	1,310,736
Comprehensive income (loss)	—	—		—		20,588		—		(66,040)		(45,452)
Stock based compensation expense	—	—		1,419		—		—		—		1,419
Common stock transactions related to stock based employee benefit plans	7	1		(5)		—		110		—		106
Common stock issued for stock options	178	18		3,385		—		—		—		3,403
Issuance of common stock, pursuant to acquisitions	2,550	255		89,979		—		—		—		90,234
Conversion of options, pursuant to acquisitions	—	—		3,833		—		—		—		3,833
Dividends on common stock ($0.13 per share)	—	—		—		(7,994)		—		—		(7,994)
Three months ended March 31, 2022	2,735	274		98,611		12,594		110		(66,040)		45,549
Balance at March 31, 2022	61,239	$	6,124	$	1,062,462	$	371,192	$	(10,459)	$	(73,034)	$	1,356,285

 See notes to unaudited consolidated financial statements.

9

SEACOAST BANKING CORPORATION OF FLORIDA AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Note 1 – Basis of Presentation

Basis of Presentation: The accompanying unaudited consolidated financial statements of Seacoast Banking Corporation of Florida and its subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain prior period amounts have been reclassified to conform to the current period presentation.

Operating results for the three months ended March 31, 2023, are not necessarily indicative of the results that may be expected for the year ending December 31, 2023, or any other period. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

Use of Estimates: The preparation of these consolidated financial statements requires management to make judgments in the application of certain accounting policies that involve significant estimates and assumptions. The Company has established policies and control procedures that are intended to ensure valuation methods are well controlled and applied consistently from period to period. These estimates and assumptions, which may materially affect the reported amounts of certain assets, liabilities, revenues and expenses, are based on information available as of the date of the financial statements, and changes in this information over time and the use of revised estimates and assumptions could materially affect amounts reported in subsequent financial statements. Specific areas, among others, requiring the application of management’s estimates include determination of the allowance for credit losses, acquisition accounting and purchased loans, intangible assets and impairment testing, other fair value measurements and contingent liabilities.

Adoption of New Accounting Pronouncement

On January 1, 2023, the Company adopted Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2022-02, “Troubled Debt Restructurings and Vintage Disclosures”. ASU 2022-02 eliminates the accounting guidance for troubled debt restructurings (“TDRs”) in ASC 310-40, Receivables – Troubled Debt Restructurings by Creditors, and introduces new disclosures related to modifications with borrowers that are experiencing financial difficulties. ASU 2022-02 also requires the disclosure of current-period gross write-offs by year of origination for financing receivables held at amortized cost. Upon adoption, the Company eliminated the separate allowance for credit loss estimation process for loans classified as TDRs. The adoption did not have a material impact to the consolidated financial statements. For additional information on the loans modified for borrowers in financial difficulty and for the disclosure of current-period gross write-offs by year of origination, see “Note 4 – Loans”.

10

Note 2 – Earnings per Share

Basic earnings per common share is computed by dividing net income available to common shareholders by the weighted average number of shares of common stock outstanding during the period.

For the three months ended March 31, 2023, 161,251 options to purchase shares of the Company’s common stock were anti-dilutive. For the three months ended March 31, 2022, no options to purchase shares of the Company's common stock were anti-dilutive.

	Three Months Ended March 31,
(Dollars in thousands, except per share data)	2023		2022
Basic earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Net income per share	$	0.15	$	0.34
Diluted earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Add: Dilutive effect of employee restricted stock and stock options	566		577
Average diluted shares outstanding	80,717		61,704
Net income per share	$	0.15	$	0.33
Net income has not been allocated to unvested restricted stock awards that are participating securities because the amounts that would be allocated are not material to net income per share of common stock. Unvested restricted stock awards that are participating securities represent less than one percent of all of the outstanding shares of common stock for each of the periods presented.

Note 3 – Securities

The amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale and held-to-maturity at March 31, 2023 and December 31, 2022 are summarized as follows:

	March 31, 2023
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	43,448	$	267	$	(331)	$	43,384
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,657,149		1,002		(203,663)		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	175,629		104		(12,359)		163,374
Collateralized loan obligations	312,086		—		(6,609)		305,477
Obligations of state and political subdivisions	22,016		38		(1,383)		20,671
Other debt securities	28,799		184		(410)		28,573
Totals	$	2,239,127	$	1,595	$	(224,755)	$	2,015,967
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	737,911	$	—	$	(119,135)	$	618,776
Totals	$	737,911	$	—	$	(119,135)	$	618,776

11

	December 31, 2022
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	13,813	$	173	$	(339)	$	13,647
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,561,197		539		(223,083)		1,338,653
Private mortgage-backed securities and collateralized mortgage obligations	179,148		70		(12,831)		166,387
Collateralized loan obligations	313,155		—		(10,251)		302,904
Obligations of state and political subdivisions	29,350		122		(1,731)		27,741
Other debt securities	22,640		197		(427)		22,410
Totals	$	2,119,303	$	1,101	$	(248,662)	$	1,871,742
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	747,408	$	64	$	(129,731)	$	617,741
Totals	$	747,408	$	64	$	(129,731)	$	617,741

During the three months ended March 31, 2023, debt securities with a fair value of $22.1 million obtained in the acquisition of Professional Holding Corp. (“Professional”) were sold. No gain or loss was recognized on the sale. There were $8.4 million in other sales of securities during the three months ended March 31, 2023, with gross gains of $24 thousand and gross losses of $19 thousand. Also included in “Securities gains (losses), net” is an increase of $0.1 million and a decrease of $0.5 million for the three months ended March 31, 2023 and 2022, respectively, in the value of an investment in shares of a mutual fund that invests in CRA-qualified debt securities.

At March 31, 2023, debt securities with a fair value of $2.0 billion were pledged primarily as collateral for public deposits and secured borrowings.

The amortized cost and fair value of securities at March 31, 2023, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because prepayments of the underlying collateral for these securities may occur, due to the right to call or repay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately.

	March 31, 2023
	Held-to-Maturity				Available-for-Sale
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	—	$	—	$	1,708	$	1,684
Due after one year through five years	—		—		14,321		14,270
Due after five years through ten years	—		—		15,460		15,377
Due after ten years	—		—		33,975		32,724
	—		—		65,464		64,055
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	737,911		618,776		1,657,149		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	—		—		175,629		163,374
Collateralized loan obligations	—		—		312,086		305,477
Other debt securities	—		—		28,799		28,573
Totals	$	737,911	$	618,776	$	2,239,127	$	2,015,967

12

The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flows analyses, or using observable market data. The tables below indicate the fair value of available-for-sale debt securities with unrealized losses for which no allowance for credit losses has been recorded.

	March 31, 2023
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	31,886	$	(316)	$	451	$	(15)	$	32,337	$	(331)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	499,606		(23,670)		907,243		(179,993)		1,406,849		(203,663)
Private mortgage-backed securities and collateralized mortgage obligations	76,503		(3,870)		58,387		(8,489)		134,890		(12,359)
Collateralized loan obligations	58,915		(1,395)		246,562		(5,214)		305,477		(6,609)
Obligations of state and political subdivisions	10,417		(128)		5,551		(1,255)		15,968		(1,383)
Other debt securities	18,058		(410)		—		—		18,058		(410)
Totals	$	695,385	$	(29,789)	$	1,218,194	$	(194,966)	$	1,913,579	$	(224,755)

	December 31, 2022
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	3,788	$	(328)	$	249	$	(11)	$	4,037	$	(339)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	646,651		(54,956)		667,520		(168,127)		1,314,171		(223,083)
Private mortgage-backed securities and collateralized mortgage obligations	130,488		(8,255)		25,234		(4,576)		155,722		(12,831)
Collateralized loan obligations	242,370		(8,343)		60,534		(1,908)		302,904		(10,251)
Obligations of state and political subdivisions	23,804		(1,656)		425		(75)		24,229		(1,731)
Other debt securities	11,459		(427)		—		—		11,459		(427)
Totals	$	1,058,560	$	(73,965)	$	753,962	$	(174,697)	$	1,812,522	$	(248,662)

At March 31, 2023, the Company had unrealized losses of $203.7 million on mortgage-backed securities and collateralized mortgage obligations issued by government-sponsored entities having a fair value of $1.4 billion. These securities are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. The implied government guarantee of principal and interest payments and the high credit rating of the portfolio provide a sufficient basis for the current expectation that there is no risk of loss if default were to occur. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $12.4 million of unrealized losses on private label residential and commercial mortgage-backed securities and collateralized mortgage obligations having a fair value of $134.9 million. The securities have weighted average credit support of 22%. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

13

At March 31, 2023, the Company had $6.6 million of unrealized losses in floating rate collateralized loan obligations (“CLOs”) having a fair value of $305.5 million. CLOs are special purpose vehicles and those in which the Company has invested acquire nearly all first-lien, broadly syndicated corporate loans across a diversified band of industries while providing support to senior tranche investors. As of March 31, 2023, all positions held by the Company are in AAA and AA tranches, with weighted average credit support of 36% and 25%, respectively. The Company evaluates the securities for potential credit losses by modeling expected loan-level defaults, recoveries, and prepayments for each CLO security. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $1.4 million of unrealized losses on municipal securities having a fair value of $16.0 million. These securities are highly rated issuances of state or local municipalities, all of which are continuing to make timely contractual payments. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. As a result, as of March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $0.3 million of unrealized losses on floating rate student loan asset-backed securities having a fair value of $10.8 million. These securities were issued under the U.S. Department of Education’s Federal Family Education Loan program, which generally provides a minimum of 97% U.S. Department of Education guarantee of principal. These securities also have added credit enhancement through over-collateralization and have average credit support of 9%. Based on the assessment of all relevant factors, the Company believes any unrealized loss positions are a function of changes in investment spreads and interest rate movement and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

All held-to-maturity (“HTM”) debt securities are issued by government-sponsored entities, which are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. While the potential for default on these securities may be something greater than zero, the long history with no credit losses, the implied government guarantee of principal and interest payments and the high credit rating of the HTM portfolio provide sufficient basis for the current expectation that there is no risk of loss if default were to occur. As a result, as of March 31, 2023, no allowance for credit losses has been recorded. The Company has the intent and ability to hold these securities until maturity.

Included in Other Assets at March 31, 2023 is $78.9 million of Federal Home Loan Bank and Federal Reserve Bank stock stated at par value. The Company has not identified events or changes in circumstances which may have a significant adverse effect on the fair value of these cost method investment securities. Accrued interest receivable on available-for-sale (“AFS”) and HTM debt securities of $7.8 million and $1.3 million, respectively, at March 31, 2023, and $7.0 million and $1.3 million, respectively, at December 31, 2022, is included in Other Assets. Also included in Other Assets are investments in CRA-qualified mutual funds carried at fair value of $13.7 million and $8.2 million at March 31, 2023 and December 31, 2022, respectively.

The Company holds 11,330 shares of Visa Class B stock, which, following resolution of Visa litigation, will be converted to Visa Class A shares. Under the current conversion ratio that became effective December 29, 2022, the Company would receive 1.5991 shares of Class A stock for each share of Class B stock for a total of 18,117 shares of Visa Class A stock. The ownership of Visa stock is related to prior ownership in Visa's network while Visa operated as a cooperative, and is recorded on the Company's financial records at a zero basis.

Note 4 – Loans

Loans held for investment are categorized into the following segments:

•Construction and land development: Loans are extended to both commercial and consumer customers which are collateralized by and for the purpose of funding land development and construction projects, including 1-4 family residential construction, multi-family property and non-farm residential property where the primary source of repayment is from proceeds of the sale, refinancing or permanent financing of the property.

•Commercial real estate - owner occupied: Loans are extended to commercial customers for the purpose of acquiring real estate to be occupied by the borrower's business. These loans are collateralized by the subject property and the repayment of these loans is largely dependent on the performance of the company occupying the property.

14

•Commercial real estate - non-owner occupied: Loans are extended to commercial customers for the purpose of acquiring commercial property where occupancy by the borrower is not their primary intent. These loans are viewed primarily as cash flow loans, collateralized by the subject property, and the repayment of these loans is largely dependent on rental income from the successful operation of the property.

•Residential real estate: Loans are extended to consumer customers and collateralized primarily by 1-4 family residential properties and include fixed and variable rate mortgages, home equity mortgages, and home equity lines of credit. Loans are primarily written based on conventional loan agency guidelines, including loans that exceed agency value limitations. Sources of repayment are largely dependent on the occupant of the residential property.

•Commercial and financial: Loans are extended to commercial customers. The purpose of the loans can be working capital, physical asset expansion, asset acquisition or other business purposes. Loans may be collateralized by assets owned by the borrower or the borrower's business. Commercial loans are based primarily on the historical and projected cash flow of the borrower's business and secondarily on the capacity of credit enhancements, guarantees and underlying collateral provided by the borrower.

•Consumer: Loans are extended to consumer customers. The segment includes both installment loans and lines of credit which may be collateralized or non-collateralized.

The following tables present net loan balances by segment as of:

	March 31, 2023
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	358,960	$	370,353	$	28,522	$	757,835
Commercial real estate - owner occupied	998,479		613,636		40,376		1,652,491
Commercial real estate - non-owner occupied	1,787,839		1,476,543		147,669		3,412,051
Residential real estate	1,589,025		739,396		25,973		2,354,394
Commercial and financial	1,143,961		447,593		58,931		1,650,485
Consumer	169,088		128,865		3,787		301,740
PPP Loans	1,101		4,298		—		5,399
Totals	$	6,048,453	$	3,780,684	$	305,258	$	10,134,395

	December 31, 2022
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	364,900	$	201,333	$	21,100	$	587,332
Commercial real estate - owner occupied	995,154		451,202		31,946		1,478,302
Commercial real estate - non-owner occupied	1,695,411		767,138		127,225		2,589,774
Residential real estate	1,558,643		271,378		19,482		1,849,503
Commercial and financial	1,151,273		182,124		15,238		1,348,636
Consumer	177,338		89,458		19,791		286,587
PPP Loans	1,474		3,116		—		4,590
Totals	$	5,944,193	$	1,965,749	$	234,782	$	8,144,724

The amortized cost basis of loans at March 31, 2023 included net deferred costs of $35.7 million. At December 31, 2022, the amortized cost basis included net deferred costs of $35.1 million. At March 31, 2023, the remaining fair value adjustments on acquired loans were $216.0 million, or 5.0% of the outstanding acquired loan balances, compared to $97.7 million, or 4.3% of the acquired loan balances at December 31, 2022. The discount is accreted into interest income over the remaining lives of the related loans on a level yield basis.

Accrued interest receivable is included within Other Assets and was $34.4 million and $28.2 million at March 31, 2023 and December 31, 2022, respectively.

15

The following tables present the status of net loan balances as of March 31, 2023 and December 31, 2022.

	March 31, 2023
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	358,954	$	—	$	—	$	—	$	6	$	358,960
Commercial real estate - owner occupied	997,282		142		—		—		1,055		998,479
Commercial real estate - non-owner occupied	1,772,837		—		421		—		14,581		1,787,839
Residential real estate	1,578,686		2,972		69		—		7,298		1,589,025
Commercial and financial	1,134,951		2,396		—		—		6,614		1,143,961
Consumer	168,106		743		50		—		189		169,088
PPP Loans	1,018		—		—		83		—		1,101
Total Portfolio Loans	$	6,011,834	$	6,253	$	540	$	83	$	29,743	$	6,048,453
Acquired Non-PCD Loans
Construction and land development	$	370,305	$	—	$	48	$	—	$	—	$	370,353
Commercial real estate - owner occupied	613,636		—		—		—		—		613,636
Commercial real estate - non-owner occupied	1,472,452		926		—		—		3,165		1,476,543
Residential real estate	736,548		1,296		188		—		1,364		739,396
Commercial and financial	446,684		218		—		—		691		447,593
Consumer	122,844		4,374		781		866		—		128,865
PPP Loans	4,277		—		21		—		—		4,298
Total Acquired Non-PCD Loans	$	3,766,746	$	6,814	$	1,038	$	866	$	5,220	$	3,780,684
PCD Loans
Construction and land development	$	28,150	$	370	$	—	$	—	$	2	$	28,522
Commercial real estate - owner occupied	36,324		—		279		—		3,773		40,376
Commercial real estate - non-owner occupied	142,111		—		47		—		5,511		147,669
Residential real estate	23,426		504		715		—		1,328		25,973
Commercial and financial	53,643		280		—		—		5,008		58,931
Consumer	3,373		122		90		—		202		3,787
Total PCD Loans	$	287,027	$	1,276	$	1,131	$	—	$	15,824	$	305,258
Total Loans	$	10,065,607	$	14,343	$	2,709	$	949	$	50,787	$	10,134,395

16

	December 31, 2022
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	364,841	$	—	$	—	$	—	$	59	$	364,900
Commercial real estate - owner occupied	993,690		—		67		440		957		995,154
Commercial real estate - non-owner occupied	1,695,381		—		—		—		30		1,695,411
Residential real estate	1,550,040		1,172		147		—		7,284		1,558,643
Commercial and financial	1,142,536		1,032		476		—		7,229		1,151,273
Consumer	176,444		550		252		1		91		177,338
PPP Loans	1,099		33		—		342		—		1,474
Total Portfolio Loans	$	5,924,031	$	2,787	$	942	$	783	$	15,650	$	5,944,193
Acquired Non-PCD Loans
Construction and land development	$	201,263	$	—	$	—	$	—	$	70	$	201,333
Commercial real estate - owner occupied	450,109		796		297		—		—		451,202
Commercial real estate - non-owner occupied	765,633		162		—		—		1,343		767,138
Residential real estate	270,215		577		—		—		586		271,378
Commercial and financial	180,837		790		87		—		410		182,124
Consumer	87,317		779		616		525		221		89,458
PPP Loans	3,116		—		—		—		—		3,116
Total Acquired Non-PCD Loans	$	1,958,490	$	3,104	$	1,000	$	525	$	2,630	$	1,965,749
PCD Loans
Construction and land development	$	20,680	$	—	$	—	$	—	$	420	$	21,100
Commercial real estate - owner occupied	30,517		23		23		—		1,383		31,946
Commercial real estate - non-owner occupied	124,115		—		—		—		3,110		127,225
Residential real estate	17,885		10		—		—		1,587		19,482
Commercial and financial	11,201		4		—		—		4,033		15,238
Consumer	17,884		1,001		336		540		30		19,791
Total PCD Loans	$	222,282	$	1,038	$	359	$	540	$	10,563	$	234,782
Total Loans	$	8,104,803	$	6,929	$	2,301	$	1,848	$	28,843	$	8,144,724

All interest accrued but not received for loans placed on nonaccrual is reversed against interest income. Interest subsequently received on such loans is accounted for under the cost-recovery method, whereby interest income is not recognized until the loan balance is reduced to zero. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current, and future payments are reasonably assured. The Company recognized $0.1 million and $0.8 million in interest income on nonaccrual loans during each of the three months ended March 31, 2023 and 2022, respectively.

17

The following tables present net balances of loans on nonaccrual status and the related allowance for credit losses, if any, as of:

	March 31, 2023
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	6	$	2	$	8	$	—
Commercial real estate - owner occupied	2,078		2,751		4,829		126
Commercial real estate - non-owner occupied	982		22,274		23,256		585
Residential real estate	2,966		7,023		9,989		135
Commercial and financial	4,220		8,093		12,313		2,677
Consumer	37		355		392		290
Totals	$	10,289	$	40,498	$	50,787	$	3,813

	December 31, 2022
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	615	$	—	$	615	$	—
Commercial real estate - owner occupied	957		1,641		2,597		41
Commercial real estate - non-owner occupied	3,347		837		4,184		230
Residential real estate	8,072		1,036		9,109		58
Commercial and financial	4,724		6,891		11,615		2,319
Consumer	40		683		723		257
Totals	$	17,755	$	11,088	$	28,843	$	2,905

Collateral-Dependent Loans

Loans are considered collateral-dependent when the repayment, based on the Company's assessment as of the reporting date, is expected to be provided substantially through the operation or sale of the underlying collateral and there are no other available and reliable sources of repayment. The following table presents collateral-dependent loans as of:

(In thousands)	March 31, 2023		December 31, 2022
Construction and land development	$	6	$	59
Commercial real estate - owner occupied	5,278		2,733
Commercial real estate - non-owner occupied	37,902		1,698
Residential real estate	21,678		11,333
Commercial and financial	7,480		10,448
Consumer	202		426
Totals	$	72,546	$	26,697

Loans by Risk Rating

The Company utilizes an internal asset classification system as a means of identifying problem and potential problem loans. The following classifications are used to categorize loans under the internal classification system:

•Pass: Loans that are not problem loans or potential problem loans are considered to be pass-rated.

•Special Mention: Loans that do not currently expose the Company to sufficient risk to warrant classification in the Substandard or Doubtful categories, but possess weaknesses that deserve management's close attention are deemed to be Special Mention.

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•Substandard: Loans with the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected.

•Substandard Impaired: Loans typically placed on nonaccrual and considered to be collateral-dependent.

•Doubtful: Loans that have all the weaknesses inherent in those classified Substandard with the added characteristic that the weakness present makes collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. The principal balance of loans classified as doubtful are likely to be charged off.

The following tables present the risk rating of loans by year of origination as of:

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	20,907	$	322,371	$	241,044	$	45,943	$	33,641	$	61,203	$	5,435	$	730,544
Special Mention	—		2,051		467		—		3,803		2		—		$	6,323
Substandard	—		—		9,407		—		—		11,555		—		$	20,962
Substandard Impaired	—		—		—		—		—		6		—		$	6
Doubtful	—		—		—		—		—		—		—		—
Total	$	20,907	$	324,422	$	250,918	$	45,943	$	37,444	$	72,766	$	5,435	$	757,835
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - owner occupied
Risk Ratings:
Pass	$	24,300	$	272,169	$	312,366	$	177,419	$	195,904	$	626,242	$	70	$	1,608,470
Special Mention	—		2		2,120		—		4,882		11,868		—		$	18,872
Substandard	—		691		2,336		7,105		2,604		9,552		—		$	22,288
Substandard Impaired	—		—		—		—		323		2,538		—		$	2,861
Doubtful	—		—		—		—		—		—		—		—
Total	$	24,300	$	272,862	$	316,822	$	184,524	$	203,713	$	650,200	$	70	$	1,652,491
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	86,801	$	861,624	$	673,294	$	331,702	$	421,185	$	952,125	$	145	$	3,326,876
Special Mention	—		—		1,727		11,228		7,839		16,534		—		$	37,328
Substandard	—		—		191		4,672		6,008		13,937		—		$	24,808
Substandard Impaired	—		—		—		15,526		1,849		5,664		—		$	23,039
Doubtful	—		—		—		—		—		—		—		—
Total	$	86,801	$	861,624	$	675,212	$	363,128	$	436,881	$	988,260	$	145	$	3,412,051
Gross Charge Offs	$	—	$	—	$	—	$	109	$	—	$	—	$	—	$	109
Residential real estate
Risk Ratings:
Pass	$	66,554	$	561,374	$	733,887	$	231,100	$	152,377	$	564,550	$	34,658	$	2,344,500
Special Mention	—		—		—		—		—		—		—		$	—
Substandard	—		—		—		—		—		—		—		$	—

19

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Substandard Impaired	—		75		566		155		612		8,418		68		$	9,894
Doubtful	—		—		—		—		—		—		—		—
Total	$	66,554	$	561,449	$	734,453	$	231,255	$	152,989	$	572,968	$	34,726	$	2,354,394
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	159	$	—	$	159
Commercial and financial
Risk Ratings:
Pass	$	58,767	$	482,995	$	462,755	$	170,255	$	104,402	$	281,433	$	13,797	$	1,574,404
Special Mention	—		5,230		15,682		3,530		4,156		3,779		—		$	32,377
Substandard	—		1,487		14,762		5,863		5,713		4,594		—		$	32,419
Substandard Impaired	—		55		59		3,973		1,077		4,682		—		$	9,846
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	58,767	$	489,767	$	493,258	$	183,686	$	115,348	$	295,862	$	13,797	$	1,650,485
Gross Charge Offs	$	—	$	—	$	56	$	1,334	$	204	$	848	$	200	$	2,642
Consumer
Risk Ratings:
Pass	$	9,269	$	100,987	$	91,072	$	28,799	$	34,956	$	32,088	$	3,442	$	300,613
Special Mention	—				—		—		—		—		—		$	—
Substandard	—		—		742		44		—		14		—		$	800
Substandard Impaired	—		39		—		13		—		275		—		$	327
Doubtful	—		—		—		—		—		—		—		—
Total	$	9,269	$	101,026	$	91,814	$	28,856	$	34,956	$	32,377	$	3,442	$	301,740
Gross Charge Offs	$	—	$	39	$	395	$	213	$	18	$	—	$	30	$	695
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	—	$	2,661	$	2,655	$	—	$	—	$	—	$	5,316
Substandard	—		—		14		69		—		—		—		$	83
Substandard Impaired	—		—		—		—		—		—		—		—
Total	$	—	$	—	$	2,675	$	2,724	$	—	$	—	$	—	$	5,399
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consolidated
Risk Ratings:
Pass	$	266,598	$	2,601,520	$	2,517,079	$	987,873	$	942,465	$	2,517,641	$	57,547	$	9,890,723
Special Mention	—		7,283		20,010		14,827		20,680		32,183		—		94,900
Substandard	—		2,178		27,438		17,684		14,325		39,652		—		101,360
Substandard Impaired	—		169		625		19,667		3,861		21,583		68		45,973
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	266,598	$	2,611,150	$	2,565,152	$	1,040,116	$	981,331	$	2,612,433	$	57,615	$	10,134,395
Gross Charge Offs	$	—	$	39	$	451	$	1,656	$	222	$	1,007	$	230	$	3,605

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	223,204	$	209,738	$	18,239	$	24,600	$	12,783	$	19,022	$	50,960	$	558,546
Special Mention	14,523		452		—		3,153		—		—		15		18,143
Substandard	—		9,227		—		—		959		—		—		10,186
Substandard Impaired	—		52		—		—		—		405		—		457
Doubtful	—		—		—		—		—		—		—		—
Total	$	237,727	$	219,469	$	18,239	$	27,753	$	13,742	$	19,427	$	50,975	$	587,332
Commercial real estate - owner occupied
Risk Ratings:

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	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Pass	$	215,453	$	251,638	$	180,081	$	185,286	$	121,568	$	467,963	$	32,253	$	1,454,242
Special Mention	694		—		2,363		4,403		2,548		2,869		—		12,877
Substandard	—		—		667		2,625		573		4,444		—		8,309
Substandard Impaired	—		—		—		311		294		2,269		—		2,874
Doubtful	—		—		—		—		—		—		—		—
Total	$	216,147	$	251,638	$	183,111	$	192,625	$	124,983	$	477,545	$	32,253	$	1,478,302
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	593,364	$	530,462	$	231,693	$	331,173	$	228,077	$	575,656	$	35,326	$	2,525,751
Special Mention	—		16,257		735		5,438		—		4,975		—		27,405
Substandard	—		192		19,315		—		5,515		7,412		—		32,434
Substandard Impaired	—		—		1,044		1,849		30		1,261		—		4,184
Doubtful	—		—		—		—		—		—		—		—
Total	$	593,364	$	546,911	$	252,787	$	338,460	$	233,622	$	589,304	$	35,326	$	2,589,774
Residential real estate
Risk Ratings:
Pass	$	270,054	$	552,950	$	121,879	$	77,100	$	97,900	$	292,867	$	423,764	$	1,836,514
Special Mention	—		—		50		—		25		269		884		1,228
Substandard	—		—		—		—		—		343		85		428
Substandard Impaired	—		—		133		32		83		9,515		1,570		11,333
Doubtful	—		—		—		—		—		—		—		—
Total	$	270,054	$	552,950	$	122,062	$	77,132	$	98,008	$	302,994	$	426,303	$	1,849,503
Commercial and financial
Risk Ratings:
Pass	$	359,833	$	320,307	$	140,450	$	77,562	$	57,924	$	58,648	$	292,818	$	1,307,542
Special Mention	1,244		423		106		474		195		259		2,998		5,699
Substandard	—		67		942		6,304		1,603		1,683		13,114		23,713
Substandard Impaired	5		58		5,109		147		3,642		2,545		176		11,682
Doubtful	—		—		—		—		—		—		—		—
Total	$	361,082	$	320,855	$	146,607	$	84,487	$	63,364	$	63,135	$	309,106	$	1,348,636
Consumer
Risk Ratings:
Pass	$	93,012	$	77,889	$	27,982	$	28,772	$	11,690	$	16,480	$	29,725	$	285,550
Special Mention	—		—		—		250		2		134		30		416
Substandard	—		—		11		—		—		191		—		202
Substandard Impaired	—		—		18		55		36		103		207		419
Doubtful	—		—		—		—		—		—		—		—
Total	$	93,012	$	77,889	$	28,011	$	29,077	$	11,728	$	16,908	$	29,962	$	286,587
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Substandard	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Substandard Impaired	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Consolidated
Risk Ratings:
Pass	$	1,754,920	$	1,945,692	$	720,324	$	724,493	$	529,942	$	1,430,636	$	864,846	$	7,972,735
Special Mention	16,461		17,132		3,254		13,718		2,770		8,506		3,927		65,768
Substandard	—		9,486		20,935		8,929		8,650		14,073		13,199		75,272
Substandard Impaired	5		110		6,304		2,394		4,085		16,098		1,953		30,949
Doubtful	—		—		—		—		—		—		—		—

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	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Total	$	1,771,386	$	1,972,420	$	750,817	$	749,534	$	545,447	$	1,469,313	$	883,925	$	8,144,724

Troubled Borrower Modifications

On January 1, 2023, the Company adopted ASU 2022-02 which includes disclosure requirements related to certain modifications of loans to borrowers experiencing financial difficulty, which the Company refers to as troubled borrower modifications (“TBMs”). TBMs are typically in the form of an interest rate reduction, an extension of the amortization period and/or converting the loan to interest only for a limited period of time. In addition to the change in payment terms, the Company seeks to obtain additional collateral and/or guarantors to provide additional support for the loan. The Company does not typically provide forgiveness of principal as a modification.

During the three months ended March 31, 2023, there was one loan totaling $29 thousand that was a TBM, which is considered immaterial. To the extent there are additional modifications in subsequent periods, the Company will disclose additional information about the nature of the modifications, the financial effect of the modifications and payment defaults of TBMs in the 12 months prior to default, among any other relevant disclosures.

Note 5 – Allowance for Credit Losses

Activity in the allowance for credit losses is summarized as follows:

	Three Months Ended March 31, 2023
(In thousands)	Beginning Balance		Initial Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		Ending Balance
Construction and land development	$	6,464	$	5	$	69	$	—	$	2	$	6,540
Commercial real estate - owner occupied	6,051		139		101		—		1		6,292
Commercial real estate - non-owner occupied	43,258		647		9,715		(109)		64		53,575
Residential real estate	29,605		400		9,898		(159)		150		39,894
Commercial and financial	15,648		11,983		6,414		(2,642)		190		31,593
Consumer	12,869		161		5,401		(695)		10		17,746
Totals	$	113,895	$	13,335	$	31,598	$	(3,605)	$	417	$	155,640

	Three Months Ended March 31, 2022
(In thousands)	Beginning Balance		Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		TDR Allowance Adjustments		Ending Balance
Construction and land development	$	2,751	$	—	$	(493)	$	—	$	10	$	—	$	2,268
Commercial real estate - owner occupied	8,579		—		715		—		—		—		9,294
Commercial real estate - non-owner occupied	36,617		31		7,274		—		—		—		43,922
Residential real estate	12,811		17		1,060		(1)		191		(3)		14,075
Commercial and financial	19,744		3		(1,628)		(569)		177		—		17,727
Consumer	2,813		—		(372)		(95)		208		(2)		2,552
Totals	$	83,315	$	51	$	6,556	$	(665)	$	586	$	(5)	$	89,838

Management establishes the allowance using relevant available information from both internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Forecast data is sourced from Moody’s Analytics (“Moody’s”), a firm widely recognized for its research, analysis, and economic forecasts. The forecasts of future economic conditions are over a period that has been deemed reasonable and supportable, and in segments where it can no longer develop

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reasonable and supportable forecasts, the Company reverts to longer-term historical loss experience to estimate losses over the remaining life of the loans.

As of March 31, 2023 and December 31, 2022, the Company utilized a blend of Moody’s most recent “U.S. Macroeconomic Outlook Baseline” and “Alternative Scenario 3 - Downside - 90th Percentile” scenarios and considered the uncertainty associated with the assumptions in both scenarios, including continued actions taken by the Federal Reserve with regard to monetary policy and interest rates and the potential impact of those actions, the ongoing Russia-Ukraine conflict and the magnitude of the resulting market disruption, the potential impact of persistent high inflation on economic growth and expectations around a recession occurring over the next 12 to 24 months. Outcomes in any or all of these factors could differ from the scenarios identified above, and the Company incorporated qualitative considerations reflecting the risk of uncertain economic conditions, and for additional dimensions of risk not captured in the quantitative model.

The following section discusses changes in the level of the allowance for credit losses for the three months ended March 31, 2023. The acquisition of Professional on January 31, 2023, added approximately $2.0 billion in loans, contributing to the increase in allowance in each segment.

In the Construction and Land Development segment, the increase in the allowance is attributed to higher loan balances. In this segment, the primary source of repayment is typically from proceeds of the sale, refinancing, or permanent financing of the underlying property; therefore, industry and collateral type and estimated collateral values are among the relevant factors in assessing expected losses.

In the Commercial Real Estate - Owner-Occupied segment, the increase in the allowance is attributed to higher loan balances. Risk characteristics include but are not limited to, collateral type, note structure and loan seasoning.

In the Commercial Real Estate - Non Owner-Occupied segment, the increase in the allowance is attributed to higher loan balances. Repayment is often dependent upon rental income from the successful operation of the underlying property. Loan performance may be adversely affected by general economic conditions or conditions specific to the real estate market, including property types. Collateral type, note structure and loan seasoning are among the risk characteristics analyzed for this segment.

The Residential Real Estate segment includes first mortgages secured by residential property, and home equity lines of credit. The increase in the allowance is due to higher loan balances and the increasing likelihood of economic recession reflected within the forecast. Risk characteristics considered for this segment include, but are not limited to, borrower FICO score, lien position, loan to value ratios and loan seasoning.

In the Commercial and Financial segment, borrowers are primarily small to medium sized professional firms and other businesses, and loans are generally supported by projected cash flows of the business, collateralized by business assets, and/or guaranteed by the business owners. The increase in reserves is attributed to the acquisition of Commercial and Financial loans from Professional, which includes a reserve for individually evaluated purchased credit deteriorated loans of $12.0 million. Industry, collateral type, estimated collateral values and loan seasoning are among the relevant factors in assessing expected losses.

Consumer loans include installment and revolving lines, loans for automobiles, boats, and other personal or family purposes. Risk characteristics considered for this segment include, but are not limited to, collateral type, loan to value ratios, loan seasoning and FICO score. The increase in the allowance reflects the increasing likelihood of economic recession reflected within the forecast, in addition to an increase in loan balances.

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The allowance for credit losses is composed of specific allowances for loans individually evaluated and general allowances for loans grouped into loan pools based on similar characteristics, which are collectively evaluated. The Company’s loan portfolio and related allowance at March 31, 2023 and December 31, 2022 are shown in the following tables:

	March 31, 2023
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	6	$	—	$	757,829	$	6,540	$	757,835	$	6,540
Commercial real estate - owner occupied	4,843		126		1,647,648		6,166		1,652,491		6,292
Commercial real estate - non-owner occupied	23,072		386		3,388,979		53,189		3,412,051		53,575
Residential real estate	12,986		177		2,341,408		39,717		2,354,394		39,894
Commercial and financial	39,355		14,798		1,616,529		16,795		1,655,884		31,593
Consumer	1,254		1,189		300,486		16,557		301,740		17,746
Totals	$	81,516	$	16,676	$	10,052,879	$	138,964	$	10,134,395	$	155,640

	December 31, 2022
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	59	$	—	$	587,273	$	6,464	$	587,332	$	6,464
Commercial real estate - owner occupied	3,346		41		1,474,956		6,010		1,478,302		6,051
Commercial real estate - non-owner occupied	4,183		230		2,585,591		43,028		2,589,774		43,258
Residential real estate	11,333		275		1,838,170		29,330		1,849,503		29,605
Commercial and financial	12,167		2,639		1,341,059		13,009		1,353,226		15,648
Consumer	426		362		286,161		12,507		286,587		12,869
Totals	$	31,514	$	3,547	$	8,113,210	$	110,348	$	8,144,724	$	113,895

Note 6 – Derivatives

Back-to-Back Swaps

The Company offers interest rate swaps when requested by customers to allow them to hedge the risk of rising interest rates on their variable rate loans. Upon entering into these swaps, the Company enters into offsetting positions with counterparties in order to minimize the interest rate risk. These back-to-back swaps qualify as freestanding financial derivatives with the fair values reported in Other Assets and Other Liabilities. The Company is party to master netting arrangements with its financial institution counterparties; however, the Company does not offset assets and liabilities under the arrangements for financial statement presentation purposes. Gains and losses on these back-to-back swaps, which offset, are recorded through noninterest income. No net gains or losses have been recognized to date on these instruments. As of March 31, 2023, the interest rate swaps had an aggregate notional value of $430.4 million, with a fair value of $25.2 million recorded in Other Assets and Other Liabilities. As of December 31, 2022, the interest rate swaps had an aggregate notional value of $312.8 million, with a fair value of $23.1 million recorded in Other Assets and Other Liabilities. The weighted average maturity was 7.1 years at March 31, 2023 and 6.7 years at December 31, 2022.

Interest Rate Floors Designated as Cash Flow Hedges

The Company has entered into interest rate floor contracts to mitigate exposure to the variability of future cash flows due to changes in interest rates on certain segments of its variable-rate loans. During 2020, the Company entered into two interest rate floor contracts, each with a notional amount of $150.0 million, maturing in October 2023 and November 2023. The Company considers these derivatives to be highly effective at achieving offsetting changes in cash flows attributable to changes in interest rates and has designated them as cash flow hedges. Therefore, changes in the fair value of these derivative instruments are recognized in other comprehensive income. Amortization of the premium paid on cash flow hedges is recognized in earnings over the term of the hedge in the same caption as the hedged item. As of March 31, 2023 and December 31, 2022, the interest

24

rate floors had a fair value of $6 thousand and $2 thousand, respectively, and are recorded in Other Assets in the consolidated balance sheet. For the three months ended March 31, 2023, the Company recognized nominal gains through other comprehensive income in the three months ended March 31, 2023 and losses of $0.2 million in the prior year quarter, and reclassified $0.1 million and $0.1 million, respectively, out of accumulated other comprehensive income and into interest income. During the next twelve months, the Company expects to reclassify $0.4 million from accumulated other comprehensive income into interest income related to these agreements.

(In thousands)	Notional Amount		Fair Value		Balance Sheet Category
At March 31, 2023
Back-to-back swaps	$	430,380	$	25,241	Other Assets and Other Liabilities
Interest rate floors	300,000		6		Other Assets
At December 31, 2022
Back-to-back swaps	$	312,808	$	23,140	Other Assets and Other Liabilities
Interest rate floors	300,000		2		Other Assets

Note 7 – Securities Sold Under Agreements to Repurchase

Securities sold under agreements to repurchase are accounted for as secured borrowings. For securities sold under agreements to repurchase, the Company is required to pledge collateral with value sufficient to fully collateralize borrowings. Company securities pledged were as follows by collateral type and maturity as of: 

(In thousands)	March 31, 2023		December 31, 2022
Fair value of pledged securities - overnight and continuous:
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	278,252	$	184,967

Note 8 – Equity Capital

The Company is well-capitalized and at March 31, 2023, the Company and the Company’s principal banking subsidiary, Seacoast Bank, exceeded the common equity Tier 1 (CET1) capital ratio regulatory threshold of 6.5% for well-capitalized institutions under the Basel III standardized transition approach, as well as risk-based and leverage ratio requirements for well-capitalized banks under the regulatory framework for prompt corrective action.

Note 9 – Contingent Liabilities

The Company and its subsidiaries, because of the nature of their business, are at all times subject to numerous legal actions, threatened or filed. Management presently believes that none of the legal proceedings to which it is a party are likely to have a materially adverse effect on the Company’s consolidated financial condition, operating results or cash flows.

25

Note 10 – Fair Value

Under ASC Topic 820, fair value measurements for items measured at fair value on a recurring and nonrecurring basis at March 31, 2023 and December 31, 2022 included:

(In thousands)	Fair Value Measurements		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
At March 31, 2023
Financial Assets
Available-for-sale debt securities1	$	2,015,967	$	188	$	2,015,779	$	—
Derivative financial instruments2	25,247		—		25,247		—
Loans held for sale2	2,838		—		2,838		—
Loans3	55,245		—		10,277		44,968
Other real estate owned4	7,756		—		7,756		—
Equity securities5	13,683		13,683		—		—
Financial Liabilities
Derivative financial instruments2	$	25,241	$	—	$	25,241	$	—
At December 31, 2022
Financial Assets
Available-for-sale debt securities1	$	1,871,742	$	186	$	1,871,556	$	—
Derivative financial instruments2	23,142		—		23,142		—
Loans held for sale2	3,151		—		3,151		—
Loans3	8,513		—		1,183		7,330
Other real estate owned4	2,301		—		2,301		—
Equity securities5	8,220		8,220		—		—
Financial Liabilities
Derivative financial instruments2	$	23,142	$	—	$	23,142	$	—
1See “Note 3 – Securities” for further detail of fair value of individual investment categories.
2Recurring fair value basis determined using observable market data.
3See “Note 4 – Loans.” Nonrecurring fair value adjustments to collateral-dependent loans reflect full or partial write-downs that are based on current appraised values of the collateral in accordance with ASC Topic 310.
4Fair value is measured on a nonrecurring basis in accordance with ASC Topic 360.
5Investment in shares of mutual funds that invest primarily in CRA-qualified debt securities, reported at fair value in Other Assets. Recurring fair value basis is determined using market quotations.

Available-for-sale debt securities: Level 1 securities consist of U.S. Treasury securities. Other securities are reported at fair value utilizing Level 2 inputs. The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flow analyses, using observable market data where available.

The Company reviews the prices supplied by independent pricing services, as well as their underlying pricing methodologies, for reasonableness and to ensure such prices are aligned with traditional pricing matrices. The fair value of collateralized loan obligations is determined from broker quotes. From time to time, the Company will validate, on a sample basis, prices supplied by the independent pricing service by comparison to prices obtained from other brokers and third-party sources or derived using internal models.

Derivative financial instruments: The Company offers interest rate swaps to certain loan customers to allow them to hedge the risk of rising interest rates on their variable rate loans. The Company originates a variable rate loan and enters into a variable-to-fixed interest rate swap with the customer. The Company also enters into an offsetting swap with a correspondent bank. These back-to-back agreements are intended to offset each other and allow the Company to originate a variable rate loan, while

26

providing a contract for fixed interest payments for the customer. The fair value of these derivatives is based on a discounted cash flow approach. Due to the observable nature of the inputs used in deriving the fair value of these derivative contracts, the valuation of interest rate swaps is classified as Level 2. Other derivatives consist of interest rate floors designated as cash flow hedges. The fair values of these instruments are based upon the estimated amount the Company would receive or pay to terminate the instruments, taking into account current interest rates and, when appropriate, the current creditworthiness of the counterparties. Interest rate floors designated as cash flow hedges are classified within Level 2.

Loans held for sale: Fair values are based upon estimated values to be received from independent third party purchasers. These loans are intended for sale and the Company believes that the fair value is the best indicator of the resolution of these loans. Fair market value changes occur due to changes in interest rates, the borrower’s credit, the secondary loan market and the market for a borrower’s debt. Interest income is recorded based on the contractual terms of the loan and in accordance with the Company’s policy on loans held for investment. None of the loans were 90 days or more past due or on nonaccrual as of March 31, 2023 and December 31, 2022.

The aggregate fair value and contractual balance of loans held for sale as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	March 31, 2023		December 31, 2022
Aggregate fair value	$	2,838	$	3,151
Contractual balance	2,765		3,071
Excess	73		80

Loans: Loans carried at fair value consist of collateral-dependent real estate loans. Fair value is based on recent real estate appraisals less estimated costs of sale. For these loans, evaluations may use either a single valuation approach or a combination of approaches, such as comparative sales, cost and/or income approach. A significant unobservable input in the income approach is the estimated capitalization rate for a given piece of collateral. At March 31, 2023, capitalization rates utilized to determine fair value of the underlying collateral averaged approximately 6.7%. Adjustments to comparable sales may be made by an appraiser to reflect local market conditions or other economic factors and may result in changes in the fair value of an asset over time. If such adjustments are made, the fair value of these loans is considered Level 3 in the fair value hierarchy. Collateral-dependent loans measured at fair value totaled $71.9 million with a specific reserve of $16.7 million at March 31, 2023, compared to $10.2 million with a specific reserve of $2.9 million at December 31, 2022.

For loans classified as Level 3, changes included loan additions of $39.1 million offset by $1.6 million in paydowns and charge-offs for the three months ended March 31, 2023.

Other real estate owned: When appraisals are used to determine fair value and the appraisals are based on a market approach, the fair value of other real estate owned (“OREO”) is classified as a Level 2 input. When the fair value of OREO is based on appraisals which require significant adjustments to market-based valuation inputs or apply an income approach based on unobservable cash flows, the fair value of OREO is classified as Level 3.

Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally coincides with the Company’s monthly and/or quarterly valuation process. During the three months ended March 31, 2023, there were no such transfers.

27

The carrying amount and fair value of the Company’s other financial instruments that were not disclosed previously in the balance sheet and for which carrying amount is not fair value as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2023
Financial Assets
Debt securities held-to-maturity1	$	737,911	$	—	$	618,776	$	—
Time deposits with other banks	3,236		—		3,000		—
Loans, net	9,923,510		—		—		9,764,669
Financial Liabilities
Deposit liabilities	12,309,701		—		—		12,297,399
Federal Home Loan Bank (“FHLB”) borrowings	385,000		—		—		382,523
Subordinated debt, net	105,804		—		97,985		—
December 31, 2022
Debt securities held-to-maturity1	$	747,408	$	—	$	617,741	$	—
Time deposits with other banks	3,236		—		2,989		—
Loans, net	8,022,316		—		—		7,845,375
Financial Liabilities
Deposit liabilities	9,981,595		—		—		9,976,125
Federal Home Loan Bank (“FHLB”) borrowings	150,000		—		—		149,450
Subordinated debt	84,533		—		82,226		—
1See “Note 3 – Securities” for further detail of recurring fair value basis of individual investment categories.

The short maturity of Seacoast’s assets and liabilities results in having a significant number of financial instruments whose fair value equals or closely approximates carrying value. Such financial instruments are reported in the following balance sheet captions: cash and due from banks, interest bearing deposits with other banks, short-term FHLB borrowings and securities sold under agreements to repurchase.

The following methods and assumptions were used to estimate the fair value of each class of financial instrument for which it is practicable to estimate that value at March 31, 2023 and December 31, 2022:

Held-to-maturity debt securities: These debt securities are reported at fair value utilizing Level 2 inputs. The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flow analyses, using observable market data where available.

The Company reviews the prices supplied by independent pricing services, as well as their underlying pricing methodologies, for reasonableness and to ensure such prices are aligned with traditional pricing matrices. From time to time, the Company will validate, on a sample basis, prices supplied by the independent pricing service by comparison to prices obtained from other brokers and third-party sources or derived using internal models.

Loans: Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, such as commercial or mortgage. Each loan category is further segmented into fixed and adjustable-rate interest terms as well as performing and nonperforming categories. The fair value of loans is calculated by discounting scheduled cash flows through the estimated life including prepayment considerations, using estimated market discount rates that reflect the risks inherent in the loan. The fair value approach considers market-driven variables including credit related factors and reflects an “exit price” as defined in ASC Topic 820.

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Deposit liabilities: The fair value of demand deposits, savings accounts and money market deposits is the amount payable at the reporting date. The fair value of fixed maturity certificates of deposit is estimated using the rates currently offered for funding of similar remaining maturities.

Note 11 – Business Combinations

Acquisition of Professional Holding Corp.

On January 31, 2023, the Company completed its acquisition of Professional Holding Corp. (“Professional”). Simultaneously, upon completion of the merger of Professional and the Company, Professional Bank was merged with and into Seacoast Bank. Prior to the acquisition, Professional Bank operated nine branches across South Florida. The transaction further expands the Company’s presence in the tri-county South Florida market, which includes Miami-Dade, Broward, and Palm Beach counties, Florida’s largest MSA and the 8th largest in the nation. The Company acquired 100% of the outstanding common stock of Professional. Under the terms of the merger agreement, Professional shareholders received 0.8909 shares of Seacoast common stock for each share of Professional common stock held immediately prior to the merger, and Professional option holders received options to purchase Seacoast common stock, with the number of shares underlying each such option and the applicable exercise price adjusted using the same 0.8909 exchange ratio.

(In thousands, except per share data)	January 31, 2023
Number of Professional common shares outstanding	14,358
Per share exchange ratio	0.8909
Number of shares of SBCF common stock issued	12,792
Multiplied by common stock price per share at January 31, 2023	$	32.11
Value of SBCF common stock issued	$	410,738
Cash paid for fractional shares	5
Fair value of Professional options converted	10,304
Total purchase price	$	421,047

The acquisition of Professional was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $248.1 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

As part of the acquisition of Professional, options were granted to replace outstanding Professional options. These options were fully vested upon acquisition. The full value of the replacement options, $10.3 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

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	Measured
(In thousands)	January 31, 2023
Assets:
Cash and cash equivalents	$	141,680
Investment securities	167,059
Loans	1,991,713
Bank premises and equipment	2,478
Core deposit intangibles	48,885
Goodwill	248,091
BOLI	55,071
Other Assets	74,232
Total Assets	$	2,729,209
Liabilities:
Deposits	$	2,119,341
Subordinated debt	21,141
Other Liabilities	167,680
Total Liabilities	$	2,308,162

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 31, 2023
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	156,048	$	151,012
Commercial real estate - owner occupied	293,473		274,068
Commercial real estate - non-owner occupied	752,393		692,746
Residential real estate	509,305		483,611
Commercial and financial	392,396		356,172
Consumer	33,656		32,153
PPP Loans	1,951		1,951
Total acquired loans	$	2,139,222	$	1,991,713

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 31, 2023
Book balance of loans at acquisition	$	155,031
Allowance for credit losses at acquisition	(13,335)
Non-credit related discount	(12,361)
Total PCD loans acquired	$	129,335

The acquisition of Professional resulted in the addition of $39.9 million in allowance for credit losses, including the $13.3 million identified in the table above for PCD loans, and $26.6 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

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The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Apollo Bancshares, Inc.

On October 7, 2022, the Company completed its acquisition of Apollo Bancshares, Inc. (“Apollo”). Simultaneously, upon completion of the merger of Apollo and the Company, Apollo Bank was merged with and into Seacoast Bank. Prior to the acquisition, Apollo Bank operated five branches in Miami-Dade County.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating costs through economies of scale, and positively affect the Company’s operating results.

Apollo shareholders received 1.006529 shares of Seacoast common stock for each share of Apollo common stock, and the minority interest holders in Apollo Bank received 1.195651 shares of Seacoast common stock for each share of Apollo Bank common stock.

(In thousands, except per share data)	October 7, 2022
Number of Apollo common shares outstanding	3,766
Per share exchange ratio	1.0065
Number of shares of SBCF common stock issued	3,791
Number of Apollo Bank minority interest shares outstanding	609
Per share exchange ratio	1.1957
Number of shares of SBCF common stock issued	728
Total number of shares of SBCF common stock issued	4,519
Multiplied by common stock price per share at October 7, 2022	$	30.83
Value of SBCF common stock issued	$	139,307
Cash paid for fractional shares	5
Fair value of Apollo options and warrants converted	6,530
Total purchase price	$	145,842

The acquisition of Apollo was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $90.2 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

As part of the acquisition of Apollo, options and warrants were granted to replace outstanding Apollo awards. These awards were fully vested upon acquisition. The full value of the replacement awards, $6.5 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

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	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	41,001
Investment securities	203,596
Loans	666,522
Bank premises and equipment	7,809
Core deposit intangibles	28,699
Goodwill	90,237
Other Assets	52,724
Total Assets	$	1,090,588
Liabilities:
Deposits	$	854,774
Other Liabilities	89,972
Total Liabilities	$	944,746

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	74,126	$	70,654
Commercial real estate - owner occupied	131,093		121,600
Commercial real estate - non-owner occupied	374,673		340,561
Residential real estate	76,254		75,957
Commercial and financial	50,125		46,695
Consumer	11,307		11,055
Total acquired loans	$	717,578	$	666,522

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	107,744
Allowance for credit losses at acquisition	(2,658)
Non-credit related discount	(14,191)
Total PCD loans acquired	$	90,895

The acquisition of Apollo resulted in the addition of $7.8 million in allowance for credit losses, including the $2.7 million identified in the table above for PCD loans, and $5.1 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

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Acquisition of Drummond Banking Company.

On October 7, 2022, the Company completed its acquisition of Drummond Banking Company (“Drummond”). Simultaneously, upon completion of the merger of Drummond and the Company, Drummond’s wholly owned subsidiary bank, Drummond Community Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Drummond Community Bank operated 18 branches across North Florida.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results. The Company acquired 100% of the outstanding common stock of Drummond. Under the terms of the definitive agreement, common stock was converted into the right to receive 51.9561 shares of Seacoast common stock.

(In thousands, except per share data)	October 7, 2022
Number of Drummond common shares outstanding	99
Per share exchange ratio	51.9561
Number of shares of SBCF common stock issued	5,136
Multiplied by common stock price per share at October 7, 2022	$	30.83
Total purchase price	$	158,332

The acquisition of Drummond was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $103.5 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	31,805
Investment securities	327,852
Loans	544,694
Bank premises and equipment	29,370
Core deposit and other intangibles	32,983
Goodwill	103,476
Other Assets	49,812
Total Assets	$	1,119,992
Liabilities:
Deposits	$	881,281
Other Liabilities	80,379
Total Liabilities	$	961,660

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

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	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	155,041	$	140,401
Commercial real estate - owner occupied	112,768		106,152
Commercial real estate - non-owner occupied	26,520		24,744
Residential real estate	85,767		78,663
Commercial and financial	88,026		82,067
Consumer	118,880		112,667
Total acquired loans	$	587,002	$	544,694

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	58,878
Allowance for credit losses at acquisition	(2,566)
Non-credit related discount	(4,607)
Total PCD loans acquired	$	51,705

The acquisition of Drummond resulted in the addition of $12.5 million in allowance for credit losses, including the $2.6 million identified in the table above for PCD loans, and $9.9 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Business Bank of Florida, Corp.

On January 3, 2022, the Company completed its acquisition of Business Bank of Florida, Corp., (“BBFC”). Simultaneously, upon completion of the merger of BBFC and the Company, BBFC’s wholly owned subsidiary bank, Florida Business Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Florida Business Bank operated one branch in Melbourne, Florida.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results.

The Company acquired 100% of the outstanding common stock of BBFC. Under the terms of the definitive agreement, each share of BBFC common stock was converted into the right to receive 0.7997 of a share of Seacoast common stock.

(In thousands, except per share data)	January 3, 2022
Number of BBFC common shares outstanding	1,112
Per share exchange ratio	0.7997
Number of shares of SBCF common stock issued	889
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	31,480
Fair value of BBFC options converted	497
Total purchase price	$	31,977

The acquisition of BBFC was accounted for under the acquisition method in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $8.0 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values.

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As part of the BBFC acquisition, options were granted to replace outstanding BBFC options. These options were fully vested upon acquisition. The full value of the replacement options, $0.5 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	38,332
Investment securities	26,011
Loans	121,774
Bank premises and equipment	2,102
Core deposit intangibles	2,621
Goodwill	7,962
Total assets	$	198,802
Liabilities:
Deposits	166,326
Other liabilities	499
Total liabilities	$	166,825

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	8,677	$	8,414
Commercial real estate - owner occupied	45,403		44,564
Commercial real estate - non-owner occupied	53,065		52,034
Residential real estate	5,377		5,421
Commercial and financial	11,335		11,280
Consumer	59		61
Total acquired loans	$	123,916	$	121,774

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	714
Allowance for credit losses at acquisition	(15)
Non-credit related discount	(48)
Total PCD loans acquired	$	651

The acquisition of BBFC resulted in the addition of $1.8 million in allowance for credit losses, including the $15 thousand identified in the table above for PCD loans, and $1.8 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Sabal Palm Bancorp, Inc.

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On January 3, 2022, the Company completed its acquisition of Sabal Palm Bancorp, Inc. (“Sabal Palm”). Simultaneously, upon completion of the merger of Sabal Palm and the Company, Sabal Palm’s wholly owned subsidiary bank, Sabal Palm Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Sabal Palm Bank operated three branches in the Sarasota area.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results.

The Company acquired 100% of the outstanding common stock of Sabal Palm. Under the terms of the definitive agreement, each share of Sabal Palm common stock was converted into the right to receive 0.2203 of a share of Seacoast common stock.

(In thousands, except per share data)	January 3, 2022
Number of Sabal Palm common shares outstanding	7,536
Per share exchange ratio	0.2203
Number of shares of SBCF common stock issued	1,660
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	58,762
Fair value of Sabal Palm options converted	3,336
Total purchase price	$	62,098

The acquisition of Sabal Palm was accounted for under the acquisition method in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $26.5 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values.

As part of the Sabal Palm acquisition, options were granted to replace outstanding Sabal Palm options. These options were fully vested upon acquisition. The full value of the replacement options, $3.3 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	170,609
Time deposits with other banks	6,473
Loans	246,152
Bank premises and equipment	1,745
Core deposit intangibles	5,587
Goodwill	26,489
Other assets	5,189
Total assets	$	462,244
Liabilities:
Deposits	395,952
Other liabilities	4,194
Total liabilities	$	400,146

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The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	9,256	$	9,009
Commercial real estate - owner occupied	57,690		56,591
Commercial real estate - non-owner occupied	89,153		87,280
Residential real estate	71,469		72,227
Commercial and financial	21,109		20,813
Consumer	233		232
Total acquired loans	$	248,910	$	246,152

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	3,703
Allowance for credit losses at acquisition	(37)
Non-credit related discount	(663)
Total PCD loans acquired	$	3,003

The acquisition of Sabal Palm resulted in the addition of $3.4 million in allowance for credit losses, including the $37 thousand identified in the table above for PCD loans, and $3.4 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition Costs

Acquisition costs included in the Company's income statement for the three months ended March 31, 2023, and 2022 were $17.5 million and $6.7 million, respectively.

Pro-Forma Information

Pro-forma data as of March 31, 2023 and 2022 present information as if the acquisition of Professional occurred at the beginning of 2022. The pro-forma information is presented for illustrative purposes only and is not necessarily indicative of the results of operations that would have occurred if the transactions had been effected on the assumed dates.

	Three Months Ended
	March 31,
(In thousands, except per share data)	2023		2022
Net interest income	$	141,920	$	105,597
Net income available to common shareholders	36,090		12,809
EPS - basic	0.43		0.17
EPS - diluted	0.42		0.17

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 

The purpose of this discussion and analysis is to aid in understanding significant changes in the financial condition of Seacoast Banking Corporation of Florida and its subsidiaries (“Seacoast” or the “Company”) and their results of operations. Nearly all of the Company’s operations are contained in its banking subsidiary, Seacoast National Bank (“Seacoast Bank” or the “Bank”). Such discussion and analysis should be read in conjunction with the Company’s Condensed Consolidated Financial Statements and the related notes included in this report.

The emphasis of this discussion will be on the three months ended March 31, 2023 compared to the three months ended March 31, 2022 for the consolidated statements of income. For the consolidated balance sheets, the emphasis of this discussion will be the balances as of March 31, 2023 compared to December 31, 2022.

This discussion and analysis contain statements that may be considered “forward-looking statements” as defined in, and subject to the protections of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. See the following section for additional information regarding forward-looking statements.

For purposes of the following discussion, the words “Seacoast” or the “Company” refer to the combined entities of Seacoast Banking Corporation of Florida and its direct and indirect wholly owned subsidiaries.

Special Cautionary Notice Regarding Forward-Looking Statements

Certain statements made or incorporated by reference herein which are not statements of historical fact, including those under “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and elsewhere herein, are “forward-looking statements” within the meaning, and protections, of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Forward-looking statements include statements with respect to the Company's beliefs, plans, objectives, goals, expectations, anticipations, assumptions, estimates, and intentions about future performance, and involve known and unknown risks, uncertainties and other factors, which may be beyond the Company's control, and which may cause the actual results, performance or achievements of Seacoast Banking Corporation of Florida (“Seacoast” or the “Company”) or its wholly-owned banking subsidiary, Seacoast National Bank (“Seacoast Bank”), to be materially different from those set forth in the forward-looking statements.

All statements other than statements of historical fact could be forward-looking statements. You can identify these forward-looking statements through the use of words such as “may,” “will,” “anticipate,” “assume,” “should,” “support,” “indicate,” “would,” “believe,” “contemplate,” “expect,” “estimate,” “continue,” “further,” “plan,” “point to,” “project,” “could,” “intend,” “target” or other similar words and expressions of the future. These forward-looking statements may not be realized due to a variety of factors, including, without limitation:

•The impact of current and future economic and market conditions generally (including seasonality) and in the financial services industry, nationally and within Seacoast’s primary market areas, including the effects of inflationary pressures, changes in interest rates, slowdowns in economic growth, and the potential for high unemployment rates, as well as the financial stress on borrowers and changes to customer and client behavior and credit risk as a result of the foregoing;

•Potential impacts of the recent adverse developments in the banking industry highlighted by high-profile bank failures, including impacts on customer confidence, deposit outflows, liquidity and the regulatory response thereto;

•Governmental monetary and fiscal policies, including interest rate policies of the Board of Governors of the Federal Reserve, as well as legislative, tax and regulatory changes, including those that impact the money supply and inflation and the possibility that the U.S. could default on its debt obligations;

•The risks of changes in interest rates on the level and composition of deposits (as well as the cost of, and competition for, deposits), loan demand, liquidity and the values of loan collateral, securities, and interest rate sensitive assets and liabilities;

•Interest rate risks, sensitivities and the shape of the yield curve;

•Changes in accounting policies, rules and practices;

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•Changes in retail distribution strategies, customer preferences and behavior generally and as a result of economic factors, including heightened inflation;

•Changes in the availability and cost of credit and capital in the financial markets;

•Changes in the prices, values and sales volumes of residential and commercial real estate;

•The Company’s concentration in commercial real estate loans and in real estate collateral in Florida;

•Seacoast's ability to comply with any regulatory requirements;

•The effects of problems encountered by other financial institutions that adversely affect Seacoast or the banking industry, including bank failures;

•Inaccuracies or other failures from the use of models, including the failure of assumptions and estimates, as well as differences in, and changes to, economic, market and credit conditions;

•The impact on the valuation of Seacoast’s investments due to market volatility or counterparty payment risk, as well as the effect of a decline in stock market prices on our fee income from our wealth management business;

•Statutory and regulatory dividend restrictions; increases in regulatory capital requirements for banking organizations generally;

•The risks of mergers, acquisitions and divestitures, including Seacoast’s ability to continue to identify acquisition targets, successfully acquire and integrate desirable financial institutions and realize expected revenues and revenue synergies;

•Changes in technology or products that may be more difficult, costly, or less effective than anticipated;

•The Company’s ability to identify and address increased cybersecurity risks;

•Fraud or misconduct by internal or external parties, which Seacoast may not be able to prevent, detect or mitigate;

•Inability of Seacoast’s risk management framework to manage risks associated with the Company’s business;

•Dependence on key suppliers or vendors to obtain equipment or services for the business on acceptable terms, including the impact of supply chain disruptions;

•Reduction in or the termination of Seacoast’s ability to use the online- or mobile-based platform that is critical to the Company’s business growth strategy;

•The effects of war or other conflicts, including the impacts related to or resulting from Russia’s military action in Ukraine, acts of terrorism, natural disasters, including hurricanes in the Company's footprint, health emergencies, epidemics or pandemics, or other catastrophic events that may affect general economic conditions;

•Unexpected outcomes of and the costs associated with, existing or new litigation involving the Company, including as a result of the Company’s participation in the Paycheck Protection Program (“PPP”);

•Seacoast’s ability to maintain adequate internal controls over financial reporting;

•Potential claims, damages, penalties, fines and reputational damage resulting from pending or future litigation, regulatory proceedings and enforcement actions;

•The risks that deferred tax assets could be reduced if estimates of future taxable income from the Company’s operations and tax planning strategies are less than currently estimated and sales of capital stock could trigger a reduction in the amount of net operating loss carryforwards that the Company may be able to utilize for income tax purposes;

•The effects of competition from other commercial banks, thrifts, mortgage banking firms, consumer finance companies, credit unions, non-bank financial technology providers, securities brokerage firms, insurance companies, money market and other mutual funds and other financial institutions operating in the Company’s market areas and

39

elsewhere, including institutions operating regionally, nationally and internationally, together with such competitors offering banking products and services by mail, telephone, computer and the Internet;

•The failure of assumptions underlying the estimate of reserves for expected credit losses;

•Risks related to environmental, social and governance ("ESG") matters, the scope and pace of which could alter Seacoast's reputation and shareholder, associate, customer and third-party affiliations;

•The risks relating to bank acquisitions including the the merger with Professional Holding Corp. including, without limitation: the diversion of management's time on issues related to the merger; unexpected transaction costs, including the costs of integrating operations; the risks that the businesses will not be integrated successfully or that such integration may be more difficult, time-consuming or costly than expected; the potential failure to fully or timely realize expected revenues and revenue synergies, including as the result of revenues following the mergers being lower than expected; the risk of deposit and customer attrition; regulatory enforcement and litigation risk; any changes in deposit mix; unexpected operating and other costs, which may differ or change from expectations; the risks of customer and employee loss and business disruptions, including, without limitation, as the result of difficulties in maintaining relationships with employees; increased competitive pressures and solicitations of customers by competitors; as well as the difficulties and risks inherent with entering new markets; and

•Other factors and risks described under “Risk Factors” herein and in any of the Company's subsequent reports filed with the SEC and available on its website at www.sec.gov.

All written or oral forward-looking statements that are made or are attributable to Seacoast are expressly qualified in their entirety by this cautionary notice. The Company assumes no obligation to update, revise or correct any forward-looking statements that are made from time to time, either as a result of future developments, new information or otherwise, except as may be required by law.

Business Developments

Acquisition of Professional Holding Corp.

On January 31, 2023, the Company completed the previously announced acquisition of Professional Holding Corp. (“Professional”), parent company of Professional Bank, adding deposits of approximately $2.1 billion and loans of approximately $2.0 billion. Full integration and system conversion activities are expected to be completed late in the second quarter of 2023.

Results of Operations

For the first quarter of 2023, the Company reported net income of $11.8 million, a decrease of $12.1 million, or 51%, from the fourth quarter of 2022 and a decrease of $8.8 million, or 43%, compared to the first quarter of 2022. The first quarter of 2023 included $31.6 million in provision for credit losses, including $26.6 million recorded for loans acquired in the Professional acquisition. The provision for credit losses in the fourth quarter of 2022 was $14.1 million, including $15.0 million recorded for the Apollo and Drummond acquisitions. The prior year quarter provision of $6.6 million included a $5.1 million increase associated with the acquisitions of BBFC and Sabal Palm during the quarter. Adjusted net income1 for the first quarter of 2023 totaled $29.2 million, a decrease of $10.7 million, or 27%, compared to the fourth quarter of 2022 and an increase of $2.2 million, or 8%, compared to the first quarter of 2022. Diluted earnings per common share (“EPS”) was $0.15 and adjusted diluted EPS1 was $0.36 in the first quarter of 2023, compared to diluted EPS of $0.34 and adjusted diluted EPS1 of $0.56 in the fourth quarter of 2022 and compared to diluted EPS of $0.33 and adjusted diluted EPS1 of $0.44 in the first quarter of 2022.

Pre-tax pre-provision earnings1 were $46.3 million in the first quarter of 2023, an increase of 1% compared to the fourth quarter of 2022 and an increase of 40% compared to the first quarter of 2022. Adjusted pre-tax pre-provision earnings1 were $71.1 million in the first quarter of 2023, an increase of 7% compared to the fourth quarter of 2022 and an increase of 70% compared to the first quarter of 2022.

1Non-GAAP measure - see “Explanation of Certain Unaudited Non-GAAP Financial Measures” for more information and a reconciliation to GAAP.

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	First		Fourth		First
	Quarter		Quarter		Quarter
	2023		2022		2022
Return on average tangible assets	0.52	%	0.94	%	0.85	%
Return on average tangible shareholders' equity	5.96		10.36		8.02
Efficiency ratio	65.43		63.39		62.33
Adjusted return on average tangible assets1	0.90	%	1.36	%	1.06	%
Adjusted return on average tangible shareholders' equity1	10.34		15.05		10.01
Adjusted efficiency ratio1	53.10		51.52		54.86
1Non-GAAP measure - see “Explanation of Certain Unaudited Non-GAAP Financial Measures” for more information and a reconciliation to GAAP.

Net Interest Income and Margin

Net interest income for the first quarter of 2023 totaled $131.2 million, an increase of $11.4 million, or 10%, compared to the fourth quarter of 2022, and an increase of $54.6 million, or 71%, compared to the first quarter of 2022. The increases reflect higher balances and higher yields on securities and loans, partially offset by the higher cost of deposits. Net interest margin (on a fully tax equivalent basis)1 was 4.31% in the first quarter of 2023, compared to 4.36% in the fourth quarter of 2022, and 3.25% in the first quarter of 2022. The decrease during the first quarter of 2023 compared to prior quarter was driven by the continued effect of an inverted yield curve, and additional excess liquidity added to the balance sheet late in the quarter. Compared to the fourth quarter of 2022, securities yields increased by eight basis points to 2.85% and loan yields increased by 57 basis points to 5.86% during the first quarter of 2023. The effect on net interest margin of accretion of purchase discounts on acquired loans were increases of 53 basis points in the first quarter of 2023, 35 basis points in the fourth quarter of 2022, and 15 basis points in the first quarter of 2022.

The cost of deposits was 77 basis points in the first quarter of 2023, compared to 21 basis points in the fourth quarter of 2022, and 6 basis points in the first quarter of 2022. The higher cost of deposits in the first quarter of 2023 reflects the impact of the Professional acquisition and an increasingly competitive market for deposits.

The following table details the trend for net interest income and margin results (on a tax equivalent basis)1, the yield on earning assets and the rate paid on interest bearing liabilities for the periods specified:

(In thousands, except ratios)	Net Interest Income1		Net Interest Margin1		Yield on Earning Assets1		Rate on Interest Bearing Liabilities
First quarter 2023	$	131,351	4.31	%	5.19	%	1.43	%
Fourth quarter 2022	119,858		4.36	%	4.63	%	0.48	%
First quarter 2022	76,639		3.25	%	3.33	%	0.12	%
1On tax equivalent basis, a non-GAAP measure - see "Explanation of Certain Unaudited Non-GAAP Financial Measures" for more information and a reconciliation to GAAP.

Total average loans increased $1.5 billion, or 18%, for the first quarter of 2023 compared to the fourth quarter of 2022, and increased $3.0 billion, or 48%, from the first quarter of 2022. The increase compared to the prior quarter includes $2.0 billion in loans acquired from Professional.

Average loans as a percentage of average earning assets totaled 76% for the first quarter of 2023, 73% for the fourth quarter of 2022 and 66% for the first quarter of 2022.

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Loan production and late-stage pipelines (loans in underwriting and approval or approved and not yet closed) are detailed in the following table for the periods specified:

	First		Fourth		First
	Quarter		Quarter		Quarter
(In thousands)	2023		2022		2022
Commercial/commercial real estate loan pipeline at period end	$	297,380	$	395,652	619,547
Commercial/commercial real estate loans closed	321,665		489,605		372,986
Residential pipeline - saleable at period end	6,614		4,207		25,745
Residential loans - sold	13,935		10,652		51,222
Residential pipeline - portfolio at period end	48,371		17,149		87,950
Residential loans - retained1	90,058		74,272		175,457
Consumer pipeline at period end	11,640		36,585		61,613
Consumer originations	59,538		74,634		79,010
1 Includes purchases of $111.3 million in 1Q’22

Commercial originations during the first quarter of 2023 were $321.7 million, a decrease of $167.9 million, or 34%, compared to the fourth quarter of 2022, and a decrease of $51.3 million, or 14%, compared to the first quarter of 2022. Commercial pipelines were $297.4 million as of March 31, 2023, a decrease of 25% from $395.7 million at December 31, 2022, and a decrease of 52% from $619.5 million at March 31, 2022. The declines were the result of the impact of higher rates on new production volumes and a more selective approach on new credit facilities given a cautious economic outlook.

Residential loans originated for sale in the secondary market totaled $13.9 million in the first quarter of 2023, compared to $10.7 million in the fourth quarter of 2022 and $51.2 million in the first quarter of 2022. Residential saleable pipelines were $6.6 million as of March 31, 2023, compared to $4.2 million as of December 31, 2022 and $25.7 million as of March 31, 2022.

Residential loan production retained in the portfolio for the first quarter of 2023 was $90.1 million, compared to $74.3 million in the fourth quarter of 2022 and $175.5 million in the first quarter of 2022. The pipeline of residential loans intended to be retained in the portfolio was $48.4 million as of March 31, 2023, compared to $17.1 million as of December 31, 2022, and $88.0 million as of March 31, 2022. The increase in pipelines in residential lending during the first quarter of 2023 was a result of mortgage rates moving lower in conjunction with a declining 10-year Treasury rate.

Consumer originations totaled $59.5 million during the first quarter of 2023, compared to $74.6 million in the fourth quarter of 2022 and $79.0 million in the first quarter of 2022. The consumer pipeline was $11.6 million as of March 31, 2023, compared to $36.6 million as of December 31, 2022 and $61.6 million at March 31, 2022. The Company expects consumer demand to be lower moving forward as a result of higher rates.

Average investment securities increased $15.3 million, or 1%, during the first quarter of 2023 compared to the fourth quarter of 2022, and were $286.0 million, or 12%, higher compared to the first quarter of 2022. Increases in the first quarter of 2023 include securities added through the Professional acquisition, partially offset by pay downs and maturities.

The cost of average interest-bearing liabilities increased 95 basis points in the first quarter of 2023 to 143 basis points from 48 basis points in the fourth quarter of 2022, and from 12 basis points in the first quarter of 2022. The cost of average total deposits (including noninterest bearing demand deposits) was 77 basis points in the first quarter of 2023, 21 basis points in the fourth quarter of 2022 and 6 basis points in the first quarter of 2022.

During the first quarter of 2023, average noninterest demand deposits increased $61.0 million compared to the fourth quarter of 2022 and increased $1.0 billion compared to the first quarter of 2022. The Company’s deposit mix remains favorable, with 93% of average deposit balances comprised of savings, money market, and demand deposits for the three months ended March 31, 2023.

Average balances of sweep repurchase agreements with customers increased $38.8 million, or 29%, from the fourth quarter. For the three months ended March 31, 2023, the average balance was $173.5 million compared to an average balance of $134.7 million for the three months ended December 31, 2022, and $118.1 million for the three months ended March 31, 2022.

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The average rate on customer sweep repurchase accounts was 2.02% for the three months ended March 31, 2023, compared to 1.60% for the three months ended December 31, 2022, and 0.13% for the three months ended March 31, 2022.

Subordinated debt balances averaged $98.4 million in the first quarter of 2023, $83.5 million in the fourth quarter of 2022, and $71.7 million in the first quarter of 2022. The average rate on subordinated debt for the first quarter of 2023 was 6.65%, an increase of 79 basis points compared to the fourth quarter of 2022 and an increase of 418 basis points compared to the first quarter of 2022. The subordinated debt is comprised of trust preferred securities issued by subsidiary trusts of the Company, and subordinated notes assumed in bank acquisitions in 2022 and 2023.

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The following tables detail average balances, net interest income and margin results (on a tax equivalent basis, a non-GAAP measure) for the periods presented:

Average Balances, Interest Income and Expenses, Yields and Rates1
	2023						2022
	First Quarter						Fourth Quarter						First Quarter
	Average				Yield/		Average				Yield/		Average				Yield/
(In thousands, except ratios)	Balance		Interest		Rate		Balance		Interest		Rate		Balance		Interest		Rate
Assets
Earning assets:
Securities:
Taxable	$	2,700,122	$	19,244	2.85	%	$	2,680,813	$	18,530	2.76	%	$	2,406,399	$	10,041	1.67	%
Nontaxable	16,271		131		3.22		20,246		164		3.24		24,042		177		2.94
Total Securities	2,716,393		19,375		2.85		2,701,059		18,694		2.77		2,430,441		10,218		1.68
Federal funds sold	106,778		1,294		4.91		155,815		1,410		3.59		738,588		350		0.19
Interest bearing deposits with other banks and other investments	178,463		2,180		4.95		141,179		1,717		4.83		44,999		583		5.25
Loans excluding PPP loans	9,363,873		135,329		5.86		7,905,843		105,398		5.29		6,276,964		65,675		4.24
PPP Loans	5,328		12		0.91		4,886		39		3.19		61,923		1,523		9.98
Total Loans	9,369,201		135,341		5.86		7,910,729		105,437		5.29		6,338,887		67,198		4.30
Total Earning Assets	12,370,835		158,190		5.19		10,908,782		127,258		4.63		9,552,915		78,349		3.33
Allowance for credit losses	(139,989)						(109,509)						(87,467)
Cash and due from banks	156,235						137,839						365,835
Premises and equipment	116,083						115,095						75,876
Intangible assets	750,694						521,412						304,321
Bank owned life insurance	274,517						237,062						205,500
Other assets including deferred tax assets	419,601						329,175						211,536
Total Assets	$	13,947,976					$	12,139,856					$	10,628,516
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing demand	$	2,452,113	$	3,207	0.53	%	$	2,303,324	$	1,859	0.32	%	$	2,097,383	$	190	0.04	%
Savings	1,053,220		400		0.15		1,126,540		203		0.07		925,348		65		0.03
Money market	2,713,224		12,426		1.86		1,980,870		1,872		0.37		1,976,660		512		0.11
Time deposits	812,422		5,552		2.77		500,441		1,358		1.08		560,681		468		0.34
Securities sold under agreements to repurchase	173,498		864		2.02		134,709		544		1.60		118,146		39		0.13
Federal Home Loan Bank borrowings	282,444		2,776		3.99		40,712		330		3.22		—		—		—
Subordinated debt	98,425		1,614		6.65		83,534		1,234		5.86		71,670		436		2.47
Total Interest-Bearing Liabilities	7,585,346		26,839		1.43		6,170,130		7,400		0.48		5,749,888		1,710		0.12
Noninterest demand	4,334,969						4,273,922						3,336,121
Other liabilities	130,616						122,100						141,972
Total Liabilities	12,050,931						10,566,152						9,227,981
Shareholders' equity	1,897,045						1,573,704						1,400,535
Total Liabilities & Equity	$	13,947,976					$	12,139,856					$	10,628,516
Cost of deposits					0.77	%					0.21	%					0.06	%
Interest expense as a % of earning assets					0.88	%					0.27	%					0.07	%

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Net interest income as a % of earning assets	$	131,351	4.31	%	$	119,858	4.36	%	$	76,639	3.25	%
1On a fully taxable equivalent basis, a non-GAAP measure - see "Explanation of Certain Unaudited Non-GAAP Financial Measures" for more information and a reconciliation to GAAP. All yields and rates have been computed on an annual basis using amortized cost. Fees on loans have been included in interest on loans. Nonaccrual loans are included in loan balances.

Noninterest Income

Noninterest income totaled $22.4 million for the first quarter of 2023, an increase of $4.8 million, or 27%, compared to the fourth quarter of 2022 and an increase of $7.1 million, or 46%, from the first quarter of 2022.

Noninterest income is detailed as follows:

	First		Fourth		First
	Quarter		Quarter		Quarter
(In thousands)	2023		2022		2022
Service charges on deposit accounts	$	4,242	$	3,996	$	2,801
Interchange income	4,694		4,650		4,128
Wealth management income	3,063		2,886		2,659
Mortgage banking fees	426		426		1,686
Insurance agency income	1,101		805		—
SBA gains	322		105		156
BOLI income	1,916		1,526		1,334
Other income	6,574		3,239		3,061
	22,338		17,633		15,825
Securities gains (losses), net	107		18		(452)
Total	$	22,445	$	17,651	$	15,373

Service charges on deposits were $4.2 million in the first quarter of 2023, $4.0 million in the fourth quarter of 2022 and $2.8 million in the first quarter of 2022. Increases in fees primarily reflect the benefit of an expanded deposit base, including from acquisitions. Overdraft-related fees for both consumer and commercial accounts represent 38% of total service charges on deposits for the three months ended March 31, 2023, 37% for the three months ended December 31, 2022 and 43% for the three months ended March 31, 2022.

Interchange income was $4.7 million in both the first quarter of 2023, and the fourth quarter of 2022, compared to $4.1 million for the first quarter of 2022.

Wealth management income, including trust fees and brokerage commissions and fees, was $3.1 million in the first quarter of 2023, compared to $2.9 million for the fourth quarter of 2022 and $2.7 million for the first quarter of 2022. The wealth management team continues to demonstrate notable success in building relationships. The group added another $123 million in assets under management in the first quarter of 2023, bringing overall total assets under management to $1.5 billion, up 24% from the prior year.

Mortgage banking fees were $0.4 million in both the first quarter of 2023 and in the fourth quarter of 2022, and $1.7 million in the first quarter of 2022. Mortgage banking fees decreased $1.3 million, or 75%, compared to the first quarter of 2022, reflecting lower saleable production due to significantly higher interest rates and limited housing inventory.

Insurance agency income increased $0.3 million, or 37%, compared to the fourth quarter of 2022 and totaled $1.1 million. The Company acquired a commercial insurance agency during the fourth quarter of 2022 in conjunction with the acquisition of Drummond, adding another source of noninterest income.

SBA gains were $0.3 million in the first quarter of 2023, compared to $0.1 million in the fourth quarter of 2022, and $0.2 million in the first quarter of 2022.

Bank owned life insurance (“BOLI”) income was $1.9 million for the first quarter of 2023, an increase of $0.4 million, or 26%, compared to the fourth quarter of 2022 and an increase of $0.6 million, or 44%, compared to the first quarter of 2022. The increases are attributed to additions of $53.1 million in BOLI for the fourth quarter of 2022 and $55.1 million in the first quarter of 2023 from bank acquisitions.

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Other income was $6.6 million in the first quarter of 2023, an increase of $3.3 million quarter-over-quarter and an increase of $3.5 million year-over-year. Changes amongst periods are attributable to increases in SBIC investment income of $0.4 million, loan-swap related income of $0.3 million, and BOLI death benefits of $2.1 million.

Securities gains in the first quarter of 2023 totaled $0.1 million, resulting from the increase in mark to market adjustments on the Company’s CRA qualified mutual funds.

Noninterest Expenses

Noninterest expense for the first quarter of 2023 totaled $107.5 million, an increase of $16.0 million, or 17%, compared to the fourth quarter of 2022, and an increase of $48.6 million, or 82%, from the first quarter of 2022. Noninterest expenses are detailed as follows:

	First		Fourth		First
	Quarter		Quarter		Quarter
(In thousands)	2023		2022		2022
Salaries and wages	$	47,616	$	45,405	$	28,219
Employee benefits	8,562		5,300		5,501
Outsourced data processing costs	14,553		9,918		6,156
Telephone/data lines	1,081		1,185		733
Occupancy	6,938		5,457		3,986
Furniture and equipment	2,267		1,944		1,426
Marketing	2,238		1,772		1,171
Legal and professional fees	7,479		9,174		4,789
FDIC assessments	1,443		889		789
Amortization of intangibles	6,727		4,763		1,446
Foreclosed property expense and net loss (gain) on sale	195		(411)		(164)
Provision for credit losses on unfunded commitments	1,239		—		142
Other	7,137		6,114		4,723
Total	$	107,475	$	91,510	$	58,917

Salaries and wages totaled $47.6 million for the first quarter of 2023, $45.4 million for the fourth quarter of 2022, and $28.2 million for the first quarter of 2022. The first quarter of 2023 reflects $4.2 million in merger-related expenses compared to $5.7 million in the fourth quarter of 2022 and $3.0 million in the first quarter of 2022. Excluding merger-related expenses, the increases in the first quarter of 2023 compared to the fourth quarter of 2022 and to the prior year quarter were the result of the net addition of branch locations and associates, as well as new bankers and operational staff associated with the acquisitions.

During the first quarter of 2023, employee benefit costs, which include costs associated with the Company's self-funded health insurance benefits, 401(k) plan, payroll taxes, and unemployment compensation, were $8.6 million, an increase of $3.3 million, or 62%, compared to the fourth quarter of 2022, and an increase of $3.1 million, or 56%, compared to the first quarter of 2022. The increases from both the fourth quarter of 2022 and the first quarter of 2022 reflect higher seasonal payroll taxes, 401(k) contributions and healthcare-related costs attributed to higher headcount.

The Company utilizes third parties for its core data processing systems. Ongoing data processing costs are directly related to the number of transactions processed and the negotiated rates associated with those transactions. Outsourced data processing costs totaled $14.6 million, $9.9 million, and $6.2 million for the first quarter of 2023, fourth quarter of 2022, and first quarter of 2022, respectively. Higher expenses in the first quarter of 2023 included $6.6 million in direct acquisition-related costs, compared to $2.6 million in the fourth quarter of 2022 and $0.6 million in the first quarter of 2022.

Telephone and data line expenditures, including electronic communications with customers and between branch and customer support locations and personnel, as well as with third-party data processors, were $1.1 million, $1.2 million, and $0.7 million for the first quarter of 2023, fourth quarter of 2022, and first quarter of 2022, respectively.

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Total occupancy, furniture and equipment expenses were $9.2 million in the first quarter of 2023, $7.4 million in the fourth quarter of 2022, and $5.4 million in the first quarter of 2022. Increases in the first quarter reflect the impact of the Company’s expansion of its footprint across Florida.

Marketing expenses totaled $2.2 million in the first quarter of 2023, $1.8 million in the fourth quarter of 2022, and $1.2 million in the first quarter of 2022.

Legal and professional fees for the first quarter of 2023 were $7.5 million, a decrease of $1.7 million, or 18%, compared to the fourth quarter of 2022, and an increase of $2.7 million, or 56%, compared to the first quarter of 2022. Acquisition-related expenses were $4.8 million in the first quarter of 2023, $6.5 million in the fourth quarter of 2022, and $2.9 million in the first quarter of 2022.

FDIC assessments were $1.4 million for the first quarter of 2023, $0.9 million in the fourth quarter of 2022, and $0.8 million in the first quarter of 2022.

Amortization of intangibles increased by $2.0 million compared to the fourth quarter of 2022 and $5.3 million compared to the first quarter of 2022. The acquisition of Professional added $48.9 million in core deposit intangible assets, which will be amortized using an accelerated amortization method.

Foreclosed property expense and net loss (gain) on sale was $0.2 million in the first of 2023, net gain of $0.4 million in the fourth quarter of 2022, and net gain of $0.2 million in the first quarter of 2022.

A provision of $1.2 million was recorded for potential credit losses on unfunded lending commitments in the first quarter of 2023, which included $1.0 million associated with the acquisition of Professional. This compares to no provision recorded during the fourth quarter of 2022, and $0.1 million for the first quarter of 2022.

Other expenses totaled $7.1 million, $6.1 million and $4.7 million for the first quarter of 2023, the fourth quarter of 2022 and the first quarter of 2022, respectively. Increases reflect higher costs in general business and customer support activities resulting from growth in the customer base and the expanded branch footprint.

For the first quarter of 2023, the efficiency ratio, defined as noninterest expense less amortization of intangibles and gains, losses, and expenses on foreclosed properties divided by net operating revenue (net interest income on a fully taxable equivalent basis plus noninterest income excluding securities gains and losses), was 65.43%, compared to 63.39% for the fourth quarter of 2022 and 62.33% for the first quarter of 2022.

The adjusted efficiency ratio1 was 53.10% in the first quarter of 2023, compared to 51.52% in the fourth quarter of 2022 and 54.86% in the first quarter of 2022. In the first quarter of 2023, adjusted noninterest expense1 as a percent of average tangible assets was 2.47%, compared to 2.42% for the fourth quarter of 2022 and 1.99% for the first quarter of 2022. The Company expects that the adjusted efficiency ratio1 will benefit from merger-related expense synergies beginning in the third quarter of 2023.

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	First			Fourth			First
	Quarter			Quarter			Quarter
(In thousands, except ratios)	2023			2022			2022
Noninterest expense, as reported	$	107,475		$	91,510		$	58,917
Merger related charges
Salaries and wages	(4,240)			(5,680)			(2,953)
Outsourced data processing costs	(6,551)			(2,582)			(632)
Legal and professional fees	(4,789)			(6,485)			(2,883)
Other categories	(1,952)			(1,393)			(224)
Total merger related charges	(17,532)			(16,140)			(6,692)
Amortization of intangibles	(6,727)			(4,763)			(1,446)
Branch reductions and other expense initiatives	(1,291)			(176)			(74)
Adjusted noninterest expense1	$	81,925		$	70,431		$	50,705
Foreclosed property expense and net gain on sale	(195)			411			164
Provision for credit losses on unfunded commitments	(1,239)			—			(142)
Net adjusted noninterest expense1	$	80,491		$	70,842		$	50,727
Efficiency ratio	65.43		%	63.39		%	62.33		%
Adjusted efficiency ratio1,2	53.10			51.52			54.86
Adjusted noninterest expense as a percent of average tangible assets1,2	2.47			2.42			1.99
1Non-GAAP measure - see “Explanation of Certain Unaudited Non-GAAP Financial Measures” for more information and a reconciliation to GAAP.
2Adjusted efficiency ratio is defined as noninterest expense, including adjustments to noninterest expense divided by aggregated tax equivalent net interest income and noninterest income, including adjustments to revenue.

The Company continues to be keenly focused on disciplined expense control and expects to benefit from merger-related     expense synergies beginning in the third quarter of 2023.

Provision for Credit Losses

The provision for credit losses was $31.6 million for the first quarter of 2023, compared to $14.1 million for the fourth quarter of 2022 and $6.6 million for the first quarter of 2022. Each quarter included an increase in provision related to loans acquired through bank acquisitions, representing $26.6 million, $15.0 million, and $5.1 million, respectively. The provision for credit losses in the first quarter of 2023 on the Professional acquisition was in line with the allowance coverage rate expected at the announcement of the transaction.

Income Taxes

For the first quarter of 2023, the Company recorded tax expense of $2.7 million, compared to $7.8 million in the fourth quarter of 2022 and $5.8 million in the first quarter of 2022, with an effective tax rate of 18.6%, 24.6% and 22.1%, respectively. The first quarter of 2023 included a discrete benefit of $0.6 million related to the BOLI distribution, which combined with lower overall pre-tax income, resulted in a lower effective tax rate when compared to prior quarters. Tax benefits related to stock-based compensation totaled $0.2 million in the first quarter of 2023, $0.2 million in the fourth quarter of 2022, and $0.5 million in the first quarter of 2022. The presentation of adjusted results excludes the discrete benefit associated with BOLI, and applies an incremental tax rate of 25.3% on adjusted expenses. The resulting effective tax rate on adjusted net income1 is 22.7%.

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Explanation of Certain Unaudited Non-GAAP Financial Measures

This report contains financial information determined by methods other than Generally Accepted Accounting Principles (“GAAP”). The financial highlights provide reconciliations between GAAP and adjusted financial measures including net income, fully taxable equivalent net interest income, noninterest income, noninterest expense, tax adjustments, net interest margin and other financial ratios. Management uses these non-GAAP financial measures in its analysis of the Company’s performance and believes these presentations provide useful supplemental information, and a clearer understanding of the Company’s performance. The Company believes the non-GAAP measures enhance investors’ understanding of the Company’s business and performance and if not provided would be requested by the investor community. These measures are also useful in understanding performance trends and facilitate comparisons with the performance of other financial institutions. The limitations associated with operating measures are the risk that persons might disagree as to the appropriateness of items comprising these measures and that different companies might define or calculate these measures differently. The Company provides reconciliations between GAAP and these non-GAAP measures. These disclosures should not be considered an alternative to GAAP.

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Reconciliation of Non-GAAP Measures

	First				Fourth			First
	Quarter				Quarter			Quarter
(In thousands, except per share data)	2023				2022			2022
Net income, as reported:
Net income	$	11,827			$	23,927		$	20,588
Noninterest Income	$	22,445			$	17,651		$	15,373
Securities losses, net	(107)				(18)			452
BOLI benefits on death (included in other income)	(2,117)				—			—
Total adjustments to noninterest income	(2,224)				(18)			452
Total Adjusted Noninterest Income	$	20,221			$	17,633		$	15,825
Noninterest Expense	107,475				91,510			58,917
Salaries and wages	(4,240)				(5,680)			(2,953)
Outsourced data processing costs	(6,551)				(2,582)			(632)
Legal and professional fees	(4,789)				(6,485)			(2,883)
Other categories	(1,952)				(1,393)			(224)
Total merger-related charges	(17,532)			-17532000	(16,140)			(6,692)
Amortization of intangibles	(6,727)				(4,763)			(1,446)
Branch reductions and other expense initiatives1	(1,291)				(176)			(74)
Total adjustments to noninterest expense	(25,550)				(21,079)			(8,212)
Total Adjusted Noninterest Expense	$	81,925			$	70,431		$	50,705
Income Taxes	$	2,697			$	7,794		$	5,834
Tax effect of adjustments	5,912				5,062			2,196
Adjusted income taxes	8,609				12,856			8,030
Adjusted net income	$	29,241			$	39,926		$	27,056
Earnings per diluted share, as reported	$	0.15			$	0.34		$	0.33
Adjusted diluted earnings per share	0.36				0.56			0.44
Average diluted shares outstanding	80,717				71,374			61,704
Adjusted Noninterest Expense	$	81,925			$	70,431		$	50,705
Foreclosed property expense and net (loss) gain on sale	(195)				411			164
Provision for credit losses on unfunded commitments	(1,239)				—			(142)
Net Adjusted Noninterest Expense	$	80,491			$	70,842		$	50,727
Revenue	$	153,597			$	137,360		$	91,895
Total adjustments to revenue	(2,224)				(18)			452
Impact of FTE adjustment	199				149			117
Adjusted revenue on a fully tax equivalent basis	$	151,572			$	137,491		$	92,464
Adjusted Efficiency Ratio	53.10		%		51.52		%	54.86		%
Net Interest Income	$	131,152			$	119,709		$	76,522
Impact of FTE adjustment	199				149			117
Net interest income including FTE adjustment	131,351				119,858			76,639
Noninterest income	22,445				17,651			15,373
Noninterest expense	107,475				91,510			58,917

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	First			Fourth				First
	Quarter			Quarter				Quarter
(In thousands, except per share data)	2023			2022				2022
Pre-Tax Pre-Provision Earnings	46,321			45,999				33,095
Adjustments to noninterest income	(2,224)			(18)				452
Adjustments to noninterest expense	(26,984)			(20,668)				(8,190)
Adjusted Pre-Tax Pre-Provision Earnings	$	71,081		$	66,649			$	41,737
Average Assets	$	13,947,976		$	12,139,856			$	10,628,516
Less average goodwill and intangible assets	(750,694)			(521,412)				(304,321)
Average Tangible Assets	$	13,197,282		$	11,618,444			$	10,324,195
Return on Average Assets (ROA)	0.34		%	0.78		%		0.79		%
Impact of removing average intangible assets and related amortization	0.18			0.16				0.06
Return on Average Tangible Assets (ROTA)	0.52			0.94				0.85
Impact of other adjustments for Adjusted Net Income	0.38			0.42				0.21
Adjusted Return on Average Tangible Assets	0.90		%	1.36		%		1.06		%
Average Shareholders' Equity	$	1,897,045		$	1,573,704			$	1,400,535
Less average goodwill and intangible assets	(750,694)			(521,412)				(304,321)
Average Tangible Equity	$	1,146,351		$	1,052,292			$	1,096,214
Return on Average Shareholders' Equity	2.53		%	6.03		%		5.96		%
Impact of removing average intangible assets and related amortization	3.43			4.33				2.06
Return on Average Tangible Common Equity (ROTCE)	5.96			10.36				8.02
Impact of other adjustments for Adjusted Net Income	4.38			4.69				1.99
Adjusted Return on Average Tangible Common Equity	10.34		%	15.05		%		10.01		%
Loan Interest Income2	$	135,341		$	105,437			$	67,198
Accretion on acquired loans	(15,942)			(9,710)				(3,717)
Loan interest income excluding accretion on acquired loans2	$	119,399		$	95,727			$	63,481
Yield on Loans2	5.86		%	5.29		%		4.30		%
Impact of accretion on acquired loans	(0.69)			(0.49)				(0.24)
Yield on loans excluding accretion on acquired loans2	5.17		%	4.80		%		4.06		%
Net Interest Income2	$	131,351		$	119,858			$	76,639
Accretion on acquired loans	(15,942)			(9,710)			—	(3,717)
Net interest income excluding accretion on acquired loans2	$	115,409		$	110,148		—	$	72,922
							—
Net Interest Margin2	4.31		%	4.36		%	—	3.25		%
Impact of accretion on acquired loans	(0.53)			(0.35)			—	(0.15)
Net interest margin excluding accretion on acquired loans2	3.78		%	4.01		%		3.10		%
Loan Interest Income2	$	135,341		$	105,437			$	67,198
Tax equivalent adjustment to loans	(173)			(115)				(80)
Loan interest income excluding tax equivalent adjustment	$	135,168		$	105,322			$	67,118

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	First		Fourth		First
	Quarter		Quarter		Quarter
(In thousands, except per share data)	2023		2022		2022
Securities Interest Income2	$	19,375	$	18,694	$	10,218
Tax equivalent adjustment to securities	(26)		(34)		(37)
Securities interest income excluding tax equivalent adjustment	$	19,349	$	18,660	$	10,181
Net Interest Income2	$	131,351	$	119,858	$	76,639
Tax equivalent adjustments to loans	(173)		(115)		(80)
Tax equivalent adjustments to securities	(26)		(34)		(37)
Net interest income excluding tax equivalent adjustments	$	131,152	$	119,709	$	76,522
1Includes severance, contract termination costs, disposition of branch premises and fixed assets, and other costs to effect the Company's branch consolidation and other expense reduction strategies.
2On a fully taxable equivalent basis. All yields and rates have been computed using amortized cost.

Financial Condition

Total assets as of March 31, 2023 were $15.3 billion, an increase of $3.1 billion, or 26%, from December 31, 2022. The increase primarily reflects the acquisition of Professional on January 31, 2023, which added $2.7 billion in assets.

Securities

Information related to yields, maturities, carrying values and fair value of the Company’s debt securities is set forth in “Note 3 – Securities” of the Company’s condensed consolidated financial statements.

At March 31, 2023, the Company had $2.0 billion in securities available-for-sale and $737.9 million in securities held-to-maturity. The Company's total debt securities portfolio increased $134.7 million, or 5%, from December 31, 2022.

During the three months ended March 31, 2023, there were $22.4 million of debt securities purchased, $167.1 million acquired through the acquisition of Professional and $48.7 million in paydowns and maturities over the same period. $22.1 million of the securities acquired from Professional were immediately sold with no gain or loss recognized.

Debt securities generally return principal and interest monthly. The modified duration of the available-for-sale portfolio at March 31, 2023 was 3.8 years, compared to 3.7 years at December 31, 2022.

At March 31, 2023, available-for-sale securities had gross unrealized losses of $224.8 million and gross unrealized gains of $1.6 million, compared to gross unrealized losses of $248.7 million and gross unrealized gains of $1.1 million at December 31, 2022. The increase in market value was the result of the change in benchmark interest rates and product spreads during the period. The Company assesses securities in an unrealized loss position on a quarterly basis. As of March 31, 2023, the Company expected to recover the entire amortized cost basis of these securities, and therefore, no allowance for credit losses was recorded.

The credit quality of the Company’s securities holdings is primarily investment grade. U.S. Treasury and U.S. government agencies and obligations of U.S. government sponsored entities totaled $2.2 billion, or 81%, of the total portfolio.

The portfolio includes $175.6 million, with a fair value of $163.4 million, in private label residential and commercial mortgage-backed securities and collateralized mortgage obligations. Included are $158.6 million, with a fair value of $147.0 million, in private label mortgage-backed residential securities with weighted average credit support of 19%. The collateral underlying these mortgage investments includes both fixed-rate and adjustable-rate mortgage loans. Non-guaranteed agency commercial securities totaled $17.0 million, with a fair value of $16.3 million. These securities have weighted average credit support of 33%. The collateral underlying these mortgages is primarily pooled multifamily loans.

The Company also has invested $312.1 million in floating rate collateralized loan obligations. Collateralized loan obligations are special purpose vehicles that purchase first lien broadly syndicated corporate loans while providing support to senior tranche investors. As of March 31, 2023, all of the Company’s collateralized loan obligations were in AAA/AA tranches with average credit support of 32%. The Company utilizes credit models with assumptions of loan level defaults, recoveries, and

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prepayments to evaluate each security for potential credit losses. The result of this analysis did not indicate expected credit losses.

Held-to-maturity securities consist solely of mortgage-backed securities and collateralized mortgage obligations guaranteed by U.S. government agencies, each of which is expected to recover any price depreciation over its holding period as the debt securities move to maturity. The Company has significant liquidity and available borrowing capacity through other sources if needed, and has the intent and ability to hold these investments to maturity.

At March 31, 2023, the Company has determined that all debt securities in an unrealized loss position are the result of both broad investment type spreads and the current interest rate environment. Management believes that each investment will recover any price depreciation over its holding period as the debt securities move to maturity, and management has the intent and ability to hold these investments to maturity if necessary. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

Loan Portfolio

Loans, net of unearned income and excluding the allowance for credit losses, were $10.1 billion at March 31, 2023, a $2.0 billion increase from December 31, 2022. The increase during the first quarter of 2023 included $2.0 billion added through the Professional acquisition.

The Company remains committed to sound risk management procedures. Portfolio diversification in terms of asset mix, industry, and loan type has been an important element of the Company's lending strategy. The average loan size is only $289 thousand, and the average commercial loan size is only $717 thousand at March 31, 2023, reflecting the Company's longtime focus on granularity and on creating valuable customer relationships. Lending policies contain guardrails that pertain to lending by type of collateral and purpose, along with limits regarding loan concentrations and the principal amount of loans. The Company's exposure to commercial real estate lending remains well below regulatory limits (see “Loan Concentrations”).

The following table details loan portfolio composition at March 31, 2023 and December 31, 2022 for portfolio loans, purchased credit deteriorated (“PCD”) and loans purchased which are not considered purchased credit deteriorated (“Non-PCD”) as defined in Note 4-Loans.

	March 31, 2023
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	358,960	$	370,353	$	28,522	$	757,835
Commercial real estate - owner occupied	998,479		613,636		40,376		1,652,491
Commercial real estate - non-owner occupied	1,787,839		1,476,543		147,669		3,412,051
Residential real estate	1,589,025		739,396		25,973		2,354,394
Commercial and financial	1,143,961		447,593		58,931		1,650,485
Consumer	169,088		128,865		3,787		301,740
PPP Loans	1,101		4,298		—		5,399
Totals	$	6,048,453	$	3,780,684	$	305,258	$	10,134,395

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	December 31, 2022
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	364,900	$	201,333	$	21,100	$	587,332
Commercial real estate - owner occupied	995,154		451,202		31,946		1,478,302
Commercial real estate - non-owner occupied	1,695,411		767,138		127,225		2,589,774
Residential real estate	1,558,643		271,378		19,482		1,849,503
Commercial and financial	1,151,273		182,124		15,238		1,348,636
Consumer	177,338		89,458		19,791		286,587
PPP Loans	1,474		3,116		—		4,590
Totals	$	5,944,193	$	1,965,749	$	234,782	$	8,144,724

The amortized cost basis of loans at March 31, 2023 included net deferred costs of $35.7 million and included $35.1 million at December 31, 2022. At March 31, 2023, the remaining fair value adjustments on acquired loans were $216.0 million, or 5.0%, of the outstanding acquired loan balances, compared to $97.7 million, or 4.3%, of the acquired loan balances at December 31, 2022. The discount is accreted into interest income over the remaining lives of the related loans on a level yield basis.

The following table details commercial real estate - non-owner occupied loans.

	March 31, 2023
(In thousands)	Amortized Cost Basis		% of Total Loans
Commercial real estate - non-owner occupied
Retail	$	1,005,724	9.92	%
Office	618,377		6.10
Multifamily 5+	475,261		4.69
Hotel/Motel	407,388		4.02
Industrial/Warehouse	358,620		3.54
Other	546,681		5.39
Total commercial real estate - non-owner occupied	$	3,412,051	33.66	%

Commercial real estate (“CRE”) non-owner occupied loans increased by $822.3 million in the three months ended March 31, 2023, totaling $3.4 billion at March 31, 2023 compared to $2.6 billion at December 31, 2022. Non-owner occupied CRE loans are collateralized by properties where the source of repayment is typically from the sale or lease of the property. Within the non-owner occupied CRE portfolio, the largest segment is Retail properties, which totaled approximately $1.0 billion at March 31, 2023. This segment targets grocery or credit tenant-anchored shopping plazas, single credit tenant retail buildings, smaller outparcels, and other small retail units. Loans in this segment have a weighted average loan to value of 52% and an average loan size of $1.9 million. The second-largest segment in the non-owner occupied CRE portfolio is Office properties, which totaled approximately $618 million at March 31, 2023. This segment targets low- to mid-rise suburban offices, and is broadly diversified across many types of professional services. There is limited exposure to central business districts. Loans in this segment have a weighted average loan to value of 55% and an average loan size of $1.6 million.

Owner-occupied CRE loans increased by $174.2 million in the three months ended March 31, 2023 to $1.7 billion. Owner-occupied CRE is used by the owner, where the primary source of repayment is the cash flow from business operations housed within the property.

Commercial and financial loans are extended to commercial customers for working capital, physical asset expansion, asset acquisition or other business purposes. Balances increased from December 31, 2022 by $301.8 million, or 22%, totaling $1.7 billion at March 31, 2023, largely attributed to the Professional acquisition.

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Residential mortgage loans increased $504.9 million to $2.4 billion as of March 31, 2023. Included in the balance as of March 31, 2023, were $1.1 billion of fixed rate mortgages, $823.4 million of adjustable rate mortgages and $479.0 million in primarily floating rate home equity lines of credit (“HELOCs”), compared to $964.3 million, $402.3 million and $482.9 million, respectively, at December 31, 2022. The increases from December 31, 2022 include approximately $483.6 million acquired through the Professional acquisition. Borrowers in the residential real estate portfolio have an average credit score of 757.

Substantially all residential originations have been underwritten to conventional loan agency standards, including loan balances that exceed agency value limitations. The average LTV of our HELOC portfolio is 63%, with 32% of the loans being in first lien position at March 31, 2023, compared to an average LTV of 69%, with 31% of the portfolio being in the first lien position at December 31, 2022.

The Company also provides consumer loans, which include installment loans, auto loans, marine loans, and other consumer loans, which increased $15.2 million, or 5%, to total $301.7 million at March 31, 2023, compared to $286.6 million at December 31, 2022.

At March 31, 2023, the Company had unfunded commitments to extend credit of $3.8 billion, compared to $2.8 billion at December 31, 2022.

Loan Concentrations

The Company has developed prudent guardrails to manage loan types that are most impacted by stressed market conditions in order to minimize credit risk concentration to capital. Outstanding balances for commercial and CRE loans individually greater than $15 million totaled $585.6 million and represented 6% of the total portfolio at March 31, 2023.

Concentrations in total construction and land development loans and total CRE loans are maintained well below regulatory limits. Construction and land development and CRE loan concentrations as a percentage of subsidiary bank total risk based capital were 48% and 258%, respectively, at March 31, 2023, compared to 45% and 230%, respectively, at December 31, 2022. The increase quarter over quarter was primarily the result of the acquisition of Professional Bank. Regulatory guidance suggests limits of 100% and 300%, respectively. On a consolidated basis, construction and land development and commercial real estate loans represent 44% and 236%, respectively, of total consolidated risk based capital. To determine these ratios, the Company defines CRE in accordance with the guidance on “Concentrations in Commercial Real Estate Lending” (the “Guidance”) issued by the federal bank regulatory agencies in 2006 (and reinforced in 2015), which defines CRE loans as exposures secured by land development and construction, including 1-4 family residential construction, multi-family property, and non-farm nonresidential property where the primary or a significant source of repayment is derived from rental income associated with the property (i.e., loans for which 50 percent or more of the source of repayment comes from third party, non-affiliated, rental income) or the proceeds of the sale, refinancing, or permanent financing of the property. Loans to real estate investment trusts (“REITs”) and unsecured loans to developers that closely correlate to the inherent risks in CRE markets would also be considered CRE loans under the Guidance. Loans on owner-occupied CRE are generally excluded. In addition, the Company is subject to a geographic concentration of credit because it primarily operates in Florida.

Nonperforming Loans, Troubled Borrower Modifications, Other Real Estate Owned and Credit Quality

Nonperforming assets (“NPAs”) at March 31, 2023 totaled $58.5 million, and were comprised of $50.8 million of nonaccrual loans, and $7.8 million of other real estate owned (“OREO”). Compared to December 31, 2022, nonaccrual loans increased $21.9 million, primarily the result of the addition of one CRE non-owner occupied relationship. The $5.5 million increase in OREO is the result of closures of three branch properties. Overall, NPAs increased $27.4 million from $31.1 million as of December 31, 2022. At March 31, 2023, approximately 75% of nonaccrual loans were secured with real estate. See the tables below for details about nonaccrual loans. At March 31, 2023, nonaccrual loans reflected cumulative write downs of approximately $9.2 million, including reserves on individually evaluated loans.

Nonperforming loans to total loans outstanding at March 31, 2023 increased to 0.50% from 0.35% at December 31, 2022. Nonperforming assets to total assets at March 31, 2023 increased to 0.38% from 0.26% at December 31, 2022.

The table below sets forth details related to nonaccrual loans.

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	March 31, 2023
	Nonaccrual Loans
(In thousands)	Non-Current		Current		Total
Construction and land development	$	—	$	8	$	8
Commercial real estate - owner occupied	$	602	$	4,227	$	4,829
Commercial real estate - non-owner occupied	$	3,090	$	20,166	$	23,256
Residential real estate	$	4,323	$	5,666	$	9,989
Commercial and financial	$	6,888	$	5,425	$	12,313
Consumer	$	78	$	314	$	392
Total	$	14,981	$	35,806	$	50,787

	December 31, 2022
	Nonaccrual Loans
(In thousands)	Non-Current		Current		Total
Construction and land development	$	53	$	562	$	615
Commercial real estate - owner occupied	—		2,597		2,597
Commercial real estate - non-owner occupied	2,892		1,292		4,184
Residential real estate	2,213		6,896		9,109
Commercial and financial	4,189		7,426		11,615
Consumer	18		705		723
Total	$	9,365	$	19,478	$	28,843

In accordance with regulatory reporting requirements, loans are placed on nonaccrual following the Retail Classification of Loan interagency guidance. The accrual of interest is generally discontinued on loans, except consumer loans, that become 90 days past due as to principal or interest unless collection of both principal and interest is assured by way of collateralization, guarantees or other security. Consumer loans that become 120 days past due are generally charged off. The loan carrying value is analyzed and any changes are appropriately made as described above quarterly.

On January 1, 2023, the Company adopted ASU 2022-02 which includes disclosure requirements related to certain modifications of loans to borrowers experiencing financial difficulty, which the Company refers to as troubled borrower modifications (“TBMs”). TBMs are typically in the form of an interest rate reduction, an extension of the amortization period and/or converting the loan to interest only for a limited period of time. In addition to the change in payment terms, the Company seeks to obtain additional collateral and/or guarantors to provide additional support for the loan. The Company does not typically provide forgiveness of principal as a modification. During the quarter ending March 31, 2023, there was one loan totaling $29 thousand that was a TBM, which is considered immaterial.

Allowance for Credit Losses on Loans

Management establishes the allowance using relevant available information from both internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. The forecasts of future economic conditions are over a period that has been deemed reasonable and supportable, and in segments where it can no longer develop reasonable and supportable forecasts, the Company reverts to longer-term historical loss experience to estimate losses over the remaining life of the loans. Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments.

During the three months ended March 31, 2023, the Company recorded a provision of $31.6 million, including $26.6 million for loans acquired in the Professional acquisition. The Company reported net charge-offs for the first quarter of 2023 of $3.2 million and, for the four most recent quarters, net charge-offs averaged 0.05% of outstanding loans.

The ratio of allowance for credit losses to total loans was 1.54% at March 31, 2023, 1.40% at December 31, 2022, and 1.39% at March 31, 2022.

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LIBOR Transition

The Company’s LIBOR transition steering committee is responsible for overseeing the execution of the Company’s enterprise-wide LIBOR transition program, and for evaluating and mitigating risks associated with the transition from LIBOR. The LIBOR transition program includes a comprehensive review of the financial products, agreements, contracts, and business processes that may use LIBOR as a reference rate, and the development and execution of strategy to transition away from LIBOR, with appropriate consideration of the potential financial, customer, counterpart, regulatory and legal impacts. The Company continues to execute its LIBOR transition program, and to monitor regulatory and legislative activity to identify any necessary actions and facilitate the transition to alternative reference rates.

In 2021, the Company ceased issuance of new LIBOR loans, and as of March 31, 2023, the Company has approximately $277.2 million in existing loans for which the repricing index is tied to LIBOR. The Company is actively working to address contracts without an alternative rate or sufficient fallback language in advance of cessation of LIBOR in June 2023; however, the Company expects to leverage the LIBOR Act for its intended purpose, to address LIBOR exposures when necessary. The Company's swap agreements and other derivatives are governed by the International Swap Dealers Association (“ISDA”). ISDA has developed fallback language for swap agreements and has established a protocol to allow counterparties to modify legacy trades to include the new fallback language. The Company also invests in securities and has issued subordinated debt tied to LIBOR. The Company continues to monitor regulatory and legislative activity with regard to these products to identify and execute necessary actions to facilitate the transition to alternative reference rates. At this time, alternative reference rates are predominantly SOFR based.

Cash and Cash Equivalents and Liquidity Risk Management

Liquidity risk involves the risk of being unable to fund assets with the appropriate duration and rate-based liability, as well as the risk of not being able to meet unexpected cash needs. Liquidity planning and management are necessary to ensure the ability to fund operations cost effectively and to meet current and future potential obligations such as loan commitments and unexpected deposit outflows.

Funding sources include primarily customer-based deposits, collateral-backed borrowings, brokered deposits, cash flows from operations, cash flows from the loan and investment portfolios and asset sales, primarily secondary marketing for residential real estate mortgages and marine loans. Cash flows from operations are a significant component of liquidity risk management and the Company considers both deposit maturities and the scheduled cash flows from loan and investment maturities and payments when managing risk.

Cash and cash equivalents, including interest bearing deposits, totaled $791.2 million at March 31, 2023, compared to $201.9 million at December 31, 2022. Higher cash and cash equivalent balances at March 31, 2023 reflect the Company’s increased liquidity position strategy during the quarter.

Deposits are a primary source of liquidity. The stability of this funding source is affected by numerous factors, including returns available to customers on alternative investments, the quality of customer service levels, perception of safety and competitive forces. Uninsured deposits represented only 36% of overall deposit accounts at March 31, 2023. This includes public funds under the Florida Qualified Public Depository program, which provides loss protection to depositors beyond FDIC insurance limits. Excluding such balances, the uninsured and uncollateralized deposits were 32% of total deposits.

The Company routinely uses debt securities and loans as collateral for secured borrowings. In the event of severe market disruptions, the Company has access to secured borrowings through the FHLB and the Federal Reserve Bank of Atlanta under its borrower-in-custody program. The Company has liquidity sources as discussed below, including cash and lines of credit with the Federal Reserve and FHLB, that represent 141% of uninsured deposits, and 163% of uninsured and uncollateralized deposits.

In addition to $0.8 billion in cash and cash equivalents at March 31, 2023, the Company had $5.6 billion in available borrowing capacity, including $4.6 billion in available collateralized lines of credit, $0.7 billion of unpledged debt securities available as collateral for potential additional borrowings, and available unsecured lines of credit of $0.3 billion. Included in available borrowing capacity is approximately $0.4 billion under the Federal Reserve's Bank Term Funding Program, which the Company has not utilized and does not plan to utilize. The Company may also access funding by acquiring brokered deposits. Brokered deposits at March 31, 2023, December 31, 2022, and March 31, 2022 totaled $415.9 million, $58.6 million, and $126.2 million, respectively.

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Contractual maturities for assets and liabilities are reviewed to meet current and expected future liquidity requirements. Sources of liquidity are maintained through a portfolio of high quality marketable assets, such as residential mortgage loans, debt securities available-for-sale and interest-bearing deposits. The Company is also able to provide short-term financing of its activities by selling, under an agreement to repurchase, United States Treasury and Government agency debt securities not pledged to secure public deposits or trust funds.

The Company has traditionally relied upon dividends from Seacoast Bank and securities offerings to provide funds to pay the Company’s expenses and to service the Company’s debt. During the first quarter of 2023, Seacoast Bank distributed $9.9 million to the Company and, at March 31, 2023, is eligible to distribute dividends to the Company of approximately $141.9 million without prior regulatory approval. At March 31, 2023, the Company had cash and cash equivalents at the parent of approximately $128.8 million, compared to $111.8 million at December 31, 2022.

Deposits and Borrowings

Customer relationship funding is detailed in the following table for the periods specified:

	March 31,			December 31,
(In thousands, except ratios)	2023			2022
Noninterest demand	$	4,554,509		$	4,070,973
Interest-bearing demand	2,676,320			2,337,590
Money market	2,893,128			1,985,974
Savings	940,702			1,064,392
Time certificates of deposit	1,245,042			522,666
Total deposits	$	12,309,701		$	9,981,595
Customer sweep accounts	$	267,606		$	172,029
Noninterest demand deposits as % of total deposits	37		%	41		%

The Company’s balance sheet continues to be primarily funded by core deposits. Consumer deposits represent 40% of total deposits, with an average balance per account of $22 thousand. Business deposits represent 60% of total deposits, with an average balance per account of $101 thousand. Highlighting the Company's longstanding relationship-based strategy, the average tenure for a Seacoast customer is 9.8 years.

Total deposits increased $2.3 billion, or 23%, to $12.3 billion at March 31, 2023, compared to $10.0 billion at December 31, 2022. The increase primarily reflects the impact of the Professional acquisition, which added $2.1 billion in deposits during the first quarter of 2023.

Noninterest demand deposits represented 37% of total deposits at March 31, 2023 and 41% at December 31, 2022. Transaction account balances (noninterest demand and interest-bearing demand) represented 59% of total deposits at March 31, 2023, compared to 64% at December 31, 2022. Though the proportion of total deposits decreased as a result of the addition of higher-rate deposits during the quarter, balances in transaction accounts remained steady throughout the period.

Customer repurchase agreements totaled $267.6 million at March 31, 2023, increasing $95.6 million from December 31, 2022. Repurchase agreements are offered by Seacoast to select customers who wish to sweep excess balances on a daily basis for investment purposes, and during the first quarter of 2023, approximately $100 million in deposits migrated to customer sweep balances.

At March 31, 2023 and December 31, 2022, borrowings included $72.0 million and $71.6 million, respectively, related to trust preferred securities issued by trusts organized or acquired by the Company.

On October 7, 2022 the Company acquired $12.3 million in subordinated debt through the acquisition of Apollo. Contractual interest is paid on a semiannual basis at a fixed rate of 5.50% until April 30, 2025, at which point the rate converts to a floating rate of 3-month SOFR plus 533 basis points. The debt was recorded at fair value, resulting in a $0.4 million premium that is being amortized into interest expense over the remaining term to maturity.

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On January 31, 2023, the Company assumed subordinated debt in the acquisition of Professional having an outstanding principal amount of $25.0 million and estimated fair value of $21.1 million. The acquired debt carries a fixed interest rate of 3.375% until 2027, then converts to a floating rate note until maturity in 2032.

The weighted average interest rate of outstanding subordinated debt was 6.65% and 2.47% for the three months ended March 31, 2023 and March 31, 2022, respectively.

The Company increased borrowings to bolster its liquidity position during the first quarter. Federal Home Loan Bank advances totaled $385.0 million at March 31, 2023 with a weighted average interest rate of 4.26%.

Off-Balance Sheet Transactions

In the normal course of business, the Company may engage in a variety of financial transactions that, under generally accepted accounting principles, either are not recorded on the balance sheet or are recorded on the balance sheet in amounts that differ from the full contract or notional amounts. These transactions involve varying elements of market, credit and liquidity risk.

Lending commitments include unfunded loan commitments and standby and commercial letters of credit. For loan commitments, the contractual amount of a commitment represents the maximum potential credit risk that could result if the entire commitment had been funded, the borrower had not performed according to the terms of the contract, and no collateral had been provided. A large majority of loan commitments and standby letters of credit expire without being funded, and accordingly, total contractual amounts are not representative of actual future credit exposure or liquidity requirements. Loan commitments and letters of credit expose the Company to credit risk in the event that the customer draws on the commitment and subsequently fails to perform under the terms of the lending agreement.

For commercial customers, loan commitments generally take the form of revolving credit arrangements. For retail customers, loan commitments generally are lines of credit secured by residential property. These instruments are not recorded on the balance sheet until funds are advanced under the commitment. Unfunded commitments to extend credit were $3.8 billion at March 31, 2023 and $2.8 billion at December 31, 2022.

Capital Resources

The Company’s equity capital at March 31, 2023 increased $443.3 million, or 28%, from December 31, 2022 to $2.1 billion. Changes in equity included increases from net income of $11.8 million, the issuance of $421.0 million in equity in connection with the Professional acquisition, and an increase in accumulated other comprehensive income of $18.6 million, partially offset by the issuance of a common stock dividend totaling $14.4 million.

The ratio of shareholders’ equity to period end total assets was 13.44% and 13.24% at March 31, 2023 and December 31, 2022, respectively. The ratio of tangible shareholders’ equity to tangible assets was 8.36% and 9.08% at March 31, 2023 and December 31, 2022, respectively. The decrease during the first quarter of 2023 was due to growth in the balance sheet from the Professional acquisition. Changes in the value of held-to-maturity securities are not reflected under GAAP; however, illustratively, if all held-to-maturity securities were presented at fair value, the tangible common equity ratio would have been 7.77% at March 31, 2023.

Activity in shareholders’ equity for the three months ended March 31, 2023 and 2022 follows:

(In thousands)	2023		2022
Beginning balance at December 31, 2022 and 2021	$	1,607,775	1,310,736
Net income	11,827		20,588
Common stock issued for stock options	3,782		3,403
Issuance of common stock and conversion of options pursuant to acquisitions	421,042		94,067
Stock compensation, net of Treasury shares acquired	2,477		1,525
Issuance of common share dividend	(14,419)		(7,994)
Change in accumulated other comprehensive income	18,600		(66,040)
Ending balance at March 31, 2023 and 2022	$	2,051,084	$	1,356,285

Capital ratios are well above regulatory requirements for well-capitalized institutions. Management’s use of risk-based capital ratios in its analysis of the Company’s capital adequacy are not GAAP financial measures. Seacoast’s management uses these

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measures to assess the quality of capital and believes that investors may find it useful in their analysis of the Company. The capital measures are not necessarily comparable to similar capital measures that may be presented by other companies and Seacoast does not nor should investors consider such non-GAAP financial measures in isolation from, or as a substitute for GAAP financial information (see “Note 8 – Equity Capital”).

March 31, 2023	Seacoast (Consolidated)	Seacoast Bank	Minimum to be Well- Capitalized1
Total Risk-Based Capital Ratio	14.62%	13.59%	10.00%
Tier 1 Capital Ratio	13.37	12.40	8.00
Common Equity Tier 1 Ratio (CET1)	12.73	12.40	6.50
Leverage Ratio	11.34	10.32	5.00
1For subsidiary bank only.

The Company’s total risk-based capital ratio was 14.62% at March 31, 2023, a decrease from 15.79% at December 31, 2022, primarily due to growth including the acquisition of Professional. At March 31, 2023, the Bank’s leverage ratio (Tier 1 capital to adjusted total assets) was 10.32%, well above the minimum to be well-capitalized under regulatory guidelines.

The Company and Seacoast Bank are subject to various general regulatory policies and requirements relating to the payment of dividends, including requirements to maintain adequate capital above regulatory minimums. The appropriate federal bank regulatory authority may prohibit the payment of dividends where it has determined that the payment of dividends would be an unsafe or unsound practice. The Company is a legal entity separate and distinct from Seacoast Bank and its other subsidiaries, and the Company’s primary source of cash and liquidity, other than securities offerings and borrowings, is dividends from its bank subsidiary. Without Office of the Comptroller of the Currency (“OCC”) approval, Seacoast Bank can pay $141.9 million of dividends to the Company.

The OCC and the Federal Reserve have policies that encourage banks and bank holding companies to pay dividends from current earnings, and have the general authority to limit the dividends paid by national banks and bank holding companies, respectively, if such payment may be deemed to constitute an unsafe or unsound practice. If, in the particular circumstances, either of these federal regulators determined that the payment of dividends would constitute an unsafe or unsound banking practice, either the OCC or the Federal Reserve may, among other things, issue a cease and desist order prohibiting the payment of dividends by Seacoast Bank or us, respectively. The board of directors of a bank holding company must consider different factors to ensure that its dividend level, if any, is prudent relative to the organization’s financial position and is not based on overly optimistic earnings scenarios such as any potential events that may occur before the payment date that could affect its ability to pay, while still maintaining a strong financial position. As a general matter, the Federal Reserve has indicated that the board of directors of a bank holding company, such as Seacoast, should consult with the Federal Reserve and eliminate, defer, or significantly reduce the bank holding company’s dividends if: (i) its net income available to shareholders for the past four quarters, net of dividends previously paid during that period, is not sufficient to fully fund the dividends; (ii) its prospective rate of earnings retention is not consistent with its capital needs and overall current and prospective financial condition; or (iii) it will not meet, or is in danger of not meeting, its minimum regulatory capital adequacy ratios.

The Company has paid quarterly dividends since the second quarter of 2021. Whether the Company continues to pay quarterly dividends and the amount of any such dividends will be at the discretion of the Company's Board of Directors and will depend on the Company's earnings, financial condition, results of operations, business prospects, capital requirements, regulatory restrictions, and other factors that the Board of Directors may deem relevant.

The Company has seven wholly owned trust subsidiaries that have issued trust preferred stock. Trust preferred securities from acquisitions were recorded at fair value when acquired. All trust preferred securities are guaranteed by the Company on a junior subordinated basis. The Federal Reserve’s rules permit qualified trust preferred securities and other restricted capital elements to be included under Basel III capital guidelines, with limitations, and net of goodwill and intangibles. The Company believes that its trust preferred securities qualify under these revised regulatory capital rules and believes that it can treat all its trust preferred securities as Tier 1 capital. For regulatory purposes, the trust preferred securities are added to the Company’s tangible common shareholders’ equity to calculate Tier 1 capital.

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Critical Accounting Policies and Estimates

The Company’s consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles, (“GAAP”), including prevailing practices within the financial services industry. The preparation of consolidated financial statements requires management to make judgments in the application of certain of its accounting policies that involve significant estimates and assumptions. The Company has established policies and control procedures that are intended to ensure valuation methods are well controlled and applied consistently from period to period. These estimates and assumptions, which may materially affect the reported amounts of certain assets, liabilities, revenues and expenses, are based on information available as of the date of the financial statements, and changes in this information over time and the use of revised estimates and assumptions could materially affect amounts reported in subsequent financial statements. Management, after consultation with the Company’s Audit Committee, believes the most critical accounting estimates and assumptions that involve the most difficult, subjective and complex assessments are: 

•the allowance and the provision for credit losses;

•acquisition accounting and purchased loans;

•intangible assets and impairment testing;

•other fair value measurements;

•impairment of debt securities; and

•contingent liabilities.

The critical accounting policies are discussed in MD&A in Seacoast’s Annual Report on Form 10-K for the year ended December 31, 2022. Significant accounting policies and changes in accounting principles and effects of recently issued accounting pronouncements are discussed in “Note 1 – Significant Accounting Policies” in Form 10-K for the year ended December 31, 2022. Disclosures regarding the effects of new accounting pronouncements are included in “Note 1 – Basis of Presentation” in this report. There have been no changes to the Company’s critical accounting policies during 2023.

Interest Rate Sensitivity

Fluctuations in interest rates may result in changes in the fair value of the Company’s financial instruments, cash flows and net interest income. This risk is managed using simulation modeling to calculate the most likely interest rate risk utilizing estimated loan and deposit growth. The objective is to optimize the Company’s financial position, liquidity, and net interest income while limiting volatility.

Senior management regularly reviews the overall interest rate risk position and evaluates strategies to manage the risk. The Company's Asset and Liability Management Committee (“ALCO”) uses simulation analysis to monitor changes in net interest income due to changes in market interest rates. The simulation of rising, declining and flat interest rate scenarios allows management to monitor and adjust interest rate sensitivity to assess the impact of market interest rate swings. The analysis of the impact on net interest income over a twelve-month period is subjected to instantaneous changes in market rates and is monitored on a quarterly basis.

The following table presents the ALCO simulation model's projected impact of a change in interest rates on the projected baseline net interest income for the 12 and 24 month periods beginning April 1, 2023, holding all balances on the balance sheet static. This change in interest rates assumes parallel shifts in the yield curve and does not consider changes in the slope of the yield curve. In particular, the steepening or inversion of the yield curve as well as gradually changing interest rate changes could result in different outcomes when compared to the parallel shifts contemplated below.

	% Change in Projected Baseline Net
Change in Interest Rates	Interest Income
	1-12 months	13-24 months
+2.00%	3.5%	7.3%
+1.00%	1.7%	3.6%
Current	—%	—%
-1.00%	(2.3%)	(4.8%)
-2.00%	(5.7%)	(12.3%)

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The computations of interest rate risk do not necessarily include certain actions management may undertake to manage this risk in response to changes in interest rates. Management may adjust asset or liability pricing or structure in order to manage interest rate risk through an interest rate cycle. This may include the use of investment portfolio purchases or sales or the use of derivative financial instruments, such as interest rate swaps, options, caps, floors, futures or forward contracts.

Effects of Inflation and Changing Prices

The condensed consolidated financial statements and related financial data presented herein have been prepared in accordance with U.S. GAAP, which require the measurement of financial position and operating results in terms of historical dollars, without considering changes in the relative purchasing power of money, over time, due to inflation.

Unlike most industrial companies, virtually all of the assets and liabilities of a financial institution are monetary in nature. As a result, interest rates have a more significant impact on a financial institution’s performance than the general level of inflation. However, inflation affects financial institutions by increasing their cost of goods and services purchased, as well as the cost of salaries and benefits, occupancy expense, and similar items. Inflation and related increases in interest rates generally decrease the market value of investments and loans held and may adversely affect liquidity, earnings, and shareholders’ equity. Mortgage origination and refinancing tends to slow as interest rates increase, and higher interest rates likely will reduce the Company’s earnings from such activities and the income from the sale of residential mortgage loans in the secondary market.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See also Management’s discussion and analysis “Interest Rate Sensitivity.”

Market risk refers to potential losses arising from changes in interest rates, and other relevant market rates or prices.

Interest rate risk, defined as the exposure of net interest income and Economic Value of Equity, or “EVE,” to adverse movements in interest rates, is the Company’s primary market risk, and mainly arises from the structure of the balance sheet (non-trading activities). The Company is also exposed to market risk in its investing activities. The Company’s Asset/Liability Committee, or “ALCO,” meets regularly and is responsible for reviewing the interest rate sensitivity position of the Company and establishing policies to monitor and limit exposure to interest rate risk. The policies established by the ALCO are reviewed and approved by the Company’s board of directors. The primary goal of interest rate risk management is to control exposure to interest rate risk, within policy limits approved by the board of directors. These limits reflect the Company’s tolerance for interest rate risk over short-term and long-term horizons.

The Company also performs valuation analyses, which are used for evaluating levels of risk present in the balance sheet that might not be considered in the net interest income simulation analyses. Whereas net interest income simulation highlights exposures over a relatively short time horizon, valuation analysis incorporates all cash flows over the estimated remaining life of all balance sheet positions. The valuation of the balance sheet, at a point in time, is defined as the discounted present value of asset cash flows minus the discounted value of liability cash flows, the net result of which is the EVE. The sensitivity of EVE to changes in the level of interest rates is a measure of the longer-term re-pricing risks and options risks embedded in the balance sheet. In contrast to the net interest income simulation, which assumes interest rates will change over a period of time, EVE uses instantaneous changes in rates.

EVE values only the current balance sheet, and does not incorporate the growth assumptions that are used in the net interest income simulation model. As with the net interest income simulation model, assumptions about the timing and variability of balance sheet cash flows are critical in the EVE analysis. Particularly important are the assumptions driving prepayments and the expected changes in balances and pricing of the indeterminate life deposit portfolios. Core deposits are a more significant funding source for the Company, making the lives attached to core deposits more important to the accuracy of EVE modeling. The Company periodically reassesses its assumptions regarding the indeterminate lives of core deposits utilizing an independent third-party resource to assist. These assumptions could see greater volatility due to changes in the level of interest rates and recent industry events. With higher interest rates, the average lives of core deposits have trended lower and unfavorably impacted model estimates of EVE. In addition, the Company’s acquisitions have changed the composition of the balance sheet, both of which have resulted in changes to our EVE profile.

The following table presents the projected impact of a change in interest rates on the balance sheet. This change in interest rates assumes parallel shifts in the yield curve and does not take into account changes in the slope of the yield curve.

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	% Change in
Change in Interest Rates	Economic Value of
	Equity
+2.00%	(2.7)%
+1.00%	(1.0)%
Current	—%
-1.00%	(2.6%)
-2.00%	(9.6%)

While an instantaneous and severe shift in interest rates is used in this analysis to provide an estimate of exposure under an extremely adverse scenario, a gradual shift in interest rates would have a much more modest impact. Since EVE measures the discounted present value of cash flows over the estimated lives of instruments, the change in EVE does not directly correlate to the degree that earnings would be impacted over a shorter time horizon, i.e., the next fiscal year. Further, EVE does not consider factors such as future balance sheet growth, changes in product mix, change in yield curve relationships, and changing product spreads that could mitigate the adverse impact of changes in interest rates.

Item 4. CONTROLS AND PROCEDURES

The Company’s management, with the participation of its chief executive officer and chief financial officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) and Rule 15d-15(e) under the Exchange Act) as of March 31, 2023 and concluded that those disclosure controls and procedures are effective.

During the quarter ended March 31, 2023, there have been no changes in internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, internal control over financial reporting.

Part II OTHER INFORMATION

Item 1. Legal Proceedings

The Company and its subsidiaries, because of the nature of their business, are at all times subject to numerous legal actions, threatened or filed. Management presently believes that none of the legal proceedings to which it is a party are likely to have a materially adverse effect on the Company’s consolidated financial position, or operating results or cash flows.

Item 1A. Risk Factors

In addition to the other information set forth in this report, you should consider the factors discussed in “Part I, Item 1A. Risk Factors” in our report on Form 10-K for the year ended December 31, 2022, which could materially affect our business, financial condition and prospective results. The risks described in this report, in our Form 10-K or our other SEC filings are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition or future results. There have been no material changes with respect to the risk factors disclosed in our Annual Report on form 10-K for the year ended December 31, 2022.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

During the three month period ended March 31, 2023, the Company repurchased shares of its common stock as indicated in the following table:

Period	Total Number of Shares Purchased1	Average Price Paid Per Share		Total Number of Shares Purchased as part of Public Announced Plan	Maximum Value of Shares that May Yet be Purchased Under the Plan (in thousands)
1/1/23 to 1/31/23	8,783	$	31.23	—	$	100,000
2/1/23 to 2/28/23	—	—		—	100,000
3/1/23 to 3/31/23	2,703	28.15		—	100,000
Total - 1st Quarter	11,486	$	29.84	—	$	100,000
1Shares purchased from January 1, 2023 through March 31, 2023 represent shares surrendered to the Company to satisfy tax withholding related to the exercise of stock options and the vesting of share-based awards.

On December 15, 2022, the Company's Board of Directors authorized the renewal of the Company's share repurchase program, under which the Company may, from time to time, purchase up to $100 million of its shares of outstanding common stock. Under the share repurchase program, which will expire on December 31, 2023, repurchases will be made, if at all, in accordance with applicable securities laws and may be made from time to time in the open market, by block purchase or by negotiated transactions. The amount and timing of repurchases, if any, will be based on a variety of factors, including share acquisition price, regulatory limitations, market conditions and other factors. The program does not obligate the Company to purchase any of its shares, and may be terminated or amended by the Board of Directors at any time prior to its expiration date.

As of March 31, 2023, no shares of the Company's common stock had been repurchased under the program.

Item 3. Defaults upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

Item 5. Other Information

None.

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Item 6. Exhibits

Exhibit 2.1 Agreement and Plan of Merger dated March 29, 2022 by and among the Company, Seacoast Bank, Apollo Bancshares, Inc. and Apollo Bank incorporated herein by reference from Exhibit 2.1 to the Company’s Form 8-K, filed April 1, 2022.

Exhibit 2.2 Agreement and Plan of Merger dated May 4, 2022 by and among the Company, Seacoast Bank, Drummond Banking Company and Drummond Community Bank incorporated herein by reference from Exhibit 2.1 to the Company’s Form 8-K, filed May 10, 2022.

Exhibit 2.3 Agreement and Plan of Merger dated August 7, 2022 by and among the Company, Seacoast Bank, Professional Holding Corp. and Professional Bank incorporated herein by reference from Exhibit 2.1 to the Company’s Form 8-K, filed August 11, 2022.

Exhibit 3.1.1 Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company's Quarterly Report on Form 10-Q, filed May 10, 2006.

Exhibit 3.1.2 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed December 23, 2008.

Exhibit 3.1.3 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.4 to the Company's Form S-1, filed June 22, 2009.

Exhibit 3.1.4 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company's Form 8-K, filed July 20, 2009.

Exhibit 3.1.5 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed December 3, 2009.

Exhibit 3.1.6 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K/A, filed July 14, 2010.

Exhibit 3.1.7 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed June 25, 2010.

Exhibit 3.1.8 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed June 1, 2011.

Exhibit 3.1.9 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed December 13, 2013.

Exhibit 3.1.10 Articles of Amendment to the Amended and Restated Articles of Incorporation Incorporated herein by reference from Exhibit 3.1 to the Company's Form 8K, filed May 30, 2018.

Exhibit 3.2 Amended and Restated By-laws of the Company Incorporated herein by reference from Exhibit 3.1 to the Company’s Form 8-K, filed October 26, 2020.

Exhibit 31.1	Certification of the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
Exhibit 31.2	Certification of the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

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Exhibit 32.1	Statement of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
Exhibit 32.2	Statement of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
Exhibit 101	The following materials from Seacoast Banking Corporation of Florida’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 formatted in Inline XBRL: (i) the Consolidated Statements of Income, (ii) the Consolidated Statements of Comprehensive Income, (iii) the Consolidated Balance Sheets, (iv) the Consolidated Statements of Cash Flows, (v) the Consolidated Statements of Shareholders' Equity and (vi) the Notes to the Consolidated Financial Statements, tagged as blocks of text and including detailed tags.
Exhibit 104	The cover page from the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, formatted in Inline XBRL.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

SEACOAST BANKING CORPORATION OF FLORIDA

May 10, 2023	/s/ Charles M. Shaffer
	Charles M. Shaffer
	Chairman and Chief Executive Officer

May 10, 2023	/s/ Tracey L. Dexter
	Tracey L. Dexter
	Executive Vice President and Chief Financial Officer

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EX-31.1

EXHIBIT 31.1

Certification Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Charles M. Shaffer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Seacoast Banking Corporation of Florida;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 10, 2023	/s/ Charles M. Shaffer
	Charles M. Shaffer
	Chairman and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

Certification Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Tracey L. Dexter, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Seacoast Banking Corporation of Florida;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 10, 2023	/s/ Tracey L. Dexter
	Tracey L. Dexter
	Executive Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

STATEMENT OF CHIEF EXECUTIVE OFFICER OF

SEACOAST BANKING CORPORATION OF FLORIDA

PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Seacoast Banking Corporation of Florida (“Company”) for the period ended March 31, 2023 (“Report”), I, Charles M. Shaffer, Chairman and Chief Executive Officer of the Company, do hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of The Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 10, 2023	/s/ Charles M. Shaffer
	Charles M. Shaffer
	Chairman and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

STATEMENT OF CHIEF FINANCIAL OFFICER OF

SEACOAST BANKING CORPORATION OF FLORIDA

PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Seacoast Banking Corporation of Florida (“Company”) for the period ended March 31, 2023 (“Report”), I, Tracey L. Dexter, Executive Vice President and Chief Financial Officer of the Company, do hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of The Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 10, 2023	/s/ Tracey L. Dexter
	Tracey L. Dexter
	Executive Vice President and Chief Financial Officer

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Cover Page	3 Months Ended
	Mar. 31, 2023 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	0-13660
Entity Registrant Name	Seacoast Banking Corporation of Florida
Entity Incorporation, State or Country Code	FL
Entity Tax Identification Number	59-2260678
Entity Address, Address Line One	815 COLORADO AVENUE,
Entity Address, City or Town	STUART
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	34994
City Area Code	(772)
Local Phone Number	287-4000
Title of 12(b) Security	Common Stock
Trading Symbol	SBCF
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	84,609,320
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000730708
Current Fiscal Year End Date	--12-31

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CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Interest and fees on loans	$ 135,168	$ 67,118
Interest and dividends on securities	19,349	10,181
Interest on interest bearing deposits and other investments	3,474	933
Total Interest Income	157,991	78,232
Interest on deposits	16,033	767
Interest on time certificates	5,552	468
Interest on borrowed money	5,254	475
Total Interest Expense	26,839	1,710
Net Interest Income	131,152	76,522
Provision for credit losses	31,598	6,556
Net Interest Income after Provision for Credit Losses	99,554	69,966
Noninterest income:
Service charges on deposit accounts	4,242	2,801
Interchange income	4,694	4,128
Wealth management income	3,063	2,659
Mortgage banking fees	426	1,686
Insurance agency income	1,101	0
SBA gains	322	156
BOLI income	1,916	1,334
Other	6,574	3,061
Noninterest income, excluding securities gains (losses)	22,338	15,825
Securities gains (losses), net	107	(452)
Total Noninterest Income	22,445	15,373
Noninterest Expense:
Salaries and wages	47,616	28,219
Employee benefits	8,562	5,501
Outsourced data processing costs	14,553	6,156
Telephone / data lines	1,081	733
Occupancy	6,938	3,986
Furniture and equipment	2,267	1,426
Marketing	2,238	1,171
Legal and professional fees	7,479	4,789
FDIC assessments	1,443	789
Amortization of intangibles	6,727	1,446
Foreclosed property expense and net loss (gain) on sale	195	(164)
Provision for credit losses on unfunded commitments	1,239	142
Other	7,137	4,723
Total Noninterest Expense	107,475	58,917
Income Before Income Taxes	14,524	26,422
Provision for income taxes	2,697	5,834
Net Income	$ 11,827	$ 20,588
Net income per share of common stock
Diluted (in dollars per share)	$ 0.15	$ 0.33
Basic (in dollars per share)	$ 0.15	$ 0.34
Average common shares outstanding
Diluted (in shares)	80,717	61,704
Basic (in shares)	80,151	61,127

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 11,827	$ 20,588
Other comprehensive income (loss):
Unrealized gains (losses) on available-for-sale securities, net of tax expense of $5.9 million and net of tax benefit of $20.6 million for the three months ended March 31, 2023 and 2022, respectively	18,516	(66,012)
Amortization of unrealized (gains) losses on securities transferred to held-to-maturity, net of tax benefit of $3 thousand and net of tax expense of $7 thousand for the three months ended March 31, 2023 and 2022, respectively	(10)	36
Reclassification adjustment for gains included in net income, net of tax expense of $1 thousand for the three months ended March 31, 2023	(4)	0
Unrealized gains (losses) on derivatives designated as cash flow hedges, net of reclassifications to income, net of tax expense of $33 thousand and net of tax benefit of $22 thousand for the three months ended March 31, 2023 and 2022, respectively	98	(64)
Total other comprehensive income (loss)	18,600	(66,040)
Comprehensive Income (Loss)	$ 30,427	$ (45,452)

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Unrealized losses on available-for-sale securities, tax (benefit) expense	$ 5,900	$ (20,600)
Amortization of unrealized gains and losses on securities transferred to held-to-maturity, tax expense (benefit)	(3)	7
Reclassification adjustment for (gains) included in net income, tax expense (benefit)	1
Unrealized gains (losses) on cash flow hedging derivatives, net of reclassifications, tax expense (benefit)	$ 33	$ (22)

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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 180,607	$ 120,748
Interest bearing deposits with other banks	610,636	81,192
Total cash and cash equivalents	791,243	201,940
Time deposits with other banks	3,236	3,236
Debt securities:
Securities available-for-sale (at fair value)	2,015,967	1,871,742
Securities held-to-maturity (fair value $618.8 million at March 31, 2023 and $617.7 million at December 31, 2022)	737,911	747,408
Total debt securities	2,753,878	2,619,150
Loans held for sale (at fair value)	2,838	3,151
Loans	10,134,395	8,144,724
Less: Allowance for credit losses	(155,640)	(113,895)
Loans, net of allowance for credit losses	9,978,755	8,030,829
Bank premises and equipment, net	116,522	116,892
Other real estate owned	7,756	2,301
Goodwill	728,396	480,319
Other intangible assets, net	117,409	75,451
Bank owned life insurance	292,545	237,824
Net deferred tax assets	124,301	94,457
Other assets	338,529	280,212
Total Assets	15,255,408	12,145,762
Liabilities
Deposits	12,309,701	9,981,595
Securities sold under agreements to repurchase, maturing within 30 days	267,606	172,029
Federal Home Loan Bank ("FHLB") borrowings	385,000	150,000
Subordinated debt	105,804	84,533
Other liabilities	136,213	149,830
Total Liabilities	13,204,324	10,537,987
Shareholders' Equity
Common stock, par value $0.10 per share, authorized 120,000,000 shares, issued 85,093,864 and outstanding 84,609,320 at March 31, 2023, and authorized 120,000,000, issued 72,099,136 and outstanding 71,617,852 shares at December 31, 2022	8,461	7,162
Additional paid-in-capital	1,803,898	1,377,802
Retained earnings	421,271	423,863
Less: Treasury stock	(13,113)	(13,019)
Total shareholders' equity, before accumulated other comprehensive (loss) income, net	2,220,517	1,795,808
Accumulated other comprehensive loss, net	(169,433)	(188,033)
Total Shareholders' Equity	2,051,084	1,607,775
Total Liabilities and Shareholders' Equity	$ 15,255,408	$ 12,145,762

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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Held to maturity, fair value	$ 618,776	$ 617,741
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	85,093,864	72,099,136
Common stock, shares outstanding (in shares)	84,609,320	71,617,852

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities
Net income		$ 11,827	$ 20,588
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		2,066	1,420
Amortization of premiums and discounts on securities, net		(44)	361
Amortization of operating lease right-of-use assets		1,863	990
Other amortization and accretion, net		(6,636)	(1,173)
Stock based compensation		2,642	1,419
Origination of loans designated for sale		(27,576)	(57,625)
Sale of loans designated for sale		28,749	71,210
Provision for credit losses		31,598	6,556
Deferred income taxes		(17,952)	866
Gains on sale of securities		(5)	0
Gains on sale of loans		(860)	(2,324)
Gains on sale and write-downs of other real estate owned		0	(255)
Losses on disposition of fixed assets and write-downs upon transfer of bank premises to other real estate owned		1,154	31
Changes in operating assets and liabilities, net of effects from acquired companies:
Net decrease in other assets		22,516	15,471
Net decrease in other liabilities		(36,297)	(3,001)
Net cash provided by operating activities		13,045	54,534
Cash Flows from Investing Activities
Maturities and repayments of debt securities available-for-sale		36,850	95,398
Maturities and repayments of debt securities held-to-maturity		11,829	26,430
Proceeds from sale of debt securities available-for-sale		30,490	26,011
Purchases of debt securities available-for-sale		(22,402)	(244,551)
Purchases of debt securities held-to-maturity		0	(134,941)
Maturities of time deposits with other banks		0	498
Net new loans and principal repayments		25,883	(44,256)
Purchases of loans held for investment		0	(111,292)
Proceeds from sale of other real estate owned		0	3,742
Additions to other real estate owned		0	(319)
Proceeds from sale of FHLB and Federal Reserve Bank Stock		28,848	0
Purchase of FHLB and Federal Reserve Bank Stock		(54,642)	(3,347)
Net cash from bank acquisitions		141,674	208,933
Additions to bank premises and equipment		(5,812)	(825)
Net cash provided by (used in) investing activities		192,718	(178,519)
Cash Flows from Financing Activities
Net increase in deposits		208,765	613,899
Net increase (decrease) in repurchase agreements		95,577	(643)
Net decrease in FHLB borrowings with original maturities of three months or less		40,000	0
Proceeds from FHLB borrowings with original maturities of more than three months		50,000	0
Stock based employee benefit plans		3,617	3,509
Dividends paid		(14,419)	(7,994)
Net cash provided by financing activities		383,540	608,771
Net increase in cash and cash equivalents		589,303	484,786
Cash and cash equivalents at beginning of period		201,940	737,729
Cash and cash equivalents at end of period		791,243	1,222,515
Supplemental disclosure of cash flow information:
Cash paid during the period for interest		23,457	1,673
Cash paid during the period for taxes		6	0
Recognition of operating lease right-of-use assets, other than through bank acquisitions, net of terminations		1,610	3,370
Recognition of operating lease liabilities, other than through bank acquisitions, net of terminations		1,610	3,370
Supplemental disclosure of non-cash investing activities: 1
Transfers from bank premises to other real estate owned	[1]	$ 5,455	$ 1,008

[1] 1See "Note 11 - Business Combinations" for common stock issued in business combinations.

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		58,504,000
Beginning balance at Dec. 31, 2021	$ 1,310,736	$ 5,850	$ 963,851	$ 358,598	$ (10,569)	$ (6,994)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(45,452)			20,588		(66,040)
Stock based compensation expense	1,419		1,419
Common stock transactions related to stock based employee benefit plans (in shares)		7,000
Common stock transactions related to stock based employee benefit plans	106	$ 1	(5)		110
Common stock issued for stock options (in shares)		178,000
Common stock issued for stock options	3,403	$ 18	3,385
Issuance of common stock, pursuant to acquisitions (in shares)		2,550,000
Issuance of common stock, pursuant to acquisitions	90,234	$ 255	89,979
Conversion of options, pursuant to acquisition	3,833		3,833
Dividends on common stock	(7,994)			(7,994)
Increase (decrease) in shares during period (in shares)		2,735,000
Increase (decrease) in stockholders' equity during period	45,549	$ 274	98,611	12,594	110	(66,040)
Ending balance (in shares) at Mar. 31, 2022		61,239,000
Ending balance at Mar. 31, 2022	$ 1,356,285	$ 6,124	1,062,462	371,192	(10,459)	(73,034)
Beginning balance (in shares) at Dec. 31, 2022	71,617,852	71,618,000
Beginning balance at Dec. 31, 2022	$ 1,607,775	$ 7,162	1,377,802	423,863	(13,019)	(188,033)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	30,427			11,827		18,600
Stock based compensation expense	2,642		2,642
Common stock transactions related to stock based employee benefit plans (in shares)		71,000
Common stock transactions related to stock based employee benefit plans	(165)	$ 8	(79)		(94)
Common stock issued for stock options (in shares)		128,000
Common stock issued for stock options	3,782	$ 12	3,770
Issuance of common stock, pursuant to acquisitions (in shares)		12,792,000
Issuance of common stock, pursuant to acquisitions	410,738	$ 1,279	409,459
Conversion of options, pursuant to acquisition	10,304		10,304
Dividends on common stock	(14,419)			(14,419)
Increase (decrease) in shares during period (in shares)		12,991,000
Increase (decrease) in stockholders' equity during period	$ 443,309	$ 1,299	426,096	(2,592)	(94)	18,600
Ending balance (in shares) at Mar. 31, 2023	84,609,320	84,609,000
Ending balance at Mar. 31, 2023	$ 2,051,084	$ 8,461	$ 1,803,898	$ 421,271	$ (13,113)	$ (169,433)

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Dividends on common stock (in dollars per share)	$ 0.17	$ 0.13

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Basis of Presentation

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

Basis of Presentation: The accompanying unaudited consolidated financial statements of Seacoast Banking Corporation of Florida and its subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain prior period amounts have been reclassified to conform to the current period presentation.

Operating results for the three months ended March 31, 2023, are not necessarily indicative of the results that may be expected for the year ending December 31, 2023, or any other period. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

Use of Estimates: The preparation of these consolidated financial statements requires management to make judgments in the application of certain accounting policies that involve significant estimates and assumptions. The Company has established policies and control procedures that are intended to ensure valuation methods are well controlled and applied consistently from period to period. These estimates and assumptions, which may materially affect the reported amounts of certain assets, liabilities, revenues and expenses, are based on information available as of the date of the financial statements, and changes in this information over time and the use of revised estimates and assumptions could materially affect amounts reported in subsequent financial statements. Specific areas, among others, requiring the application of management’s estimates include determination of the allowance for credit losses, acquisition accounting and purchased loans, intangible assets and impairment testing, other fair value measurements and contingent liabilities.

Adoption of New Accounting Pronouncement

On January 1, 2023, the Company adopted Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2022-02, “Troubled Debt Restructurings and Vintage Disclosures”. ASU 2022-02 eliminates the accounting guidance for troubled debt restructurings (“TDRs”) in ASC 310-40, Receivables – Troubled Debt Restructurings by Creditors, and introduces new disclosures related to modifications with borrowers that are experiencing financial difficulties. ASU 2022-02 also requires the disclosure of current-period gross write-offs by year of origination for financing receivables held at amortized cost. Upon adoption, the Company eliminated the separate allowance for credit loss estimation process for loans classified as TDRs. The adoption did not have a material impact to the consolidated financial statements. For additional information on the loans modified for borrowers in financial difficulty and for the disclosure of current-period gross write-offs by year of origination, see “Note 4 – Loans”.

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Earnings per Share

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

Basic earnings per common share is computed by dividing net income available to common shareholders by the weighted average number of shares of common stock outstanding during the period.

For the three months ended March 31, 2023, 161,251 options to purchase shares of the Company’s common stock were anti-dilutive. For the three months ended March 31, 2022, no options to purchase shares of the Company's common stock were anti-dilutive.

	Three Months Ended March 31,
(Dollars in thousands, except per share data)	2023		2022
Basic earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Net income per share	$	0.15	$	0.34
Diluted earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Add: Dilutive effect of employee restricted stock and stock options	566		577
Average diluted shares outstanding	80,717		61,704
Net income per share	$	0.15	$	0.33
Net income has not been allocated to unvested restricted stock awards that are participating securities because the amounts that would be allocated are not material to net income per share of common stock. Unvested restricted stock awards that are participating securities represent less than one percent of all of the outstanding shares of common stock for each of the periods presented.

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Securities

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

The amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale and held-to-maturity at March 31, 2023 and December 31, 2022 are summarized as follows:

	March 31, 2023
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	43,448	$	267	$	(331)	$	43,384
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,657,149		1,002		(203,663)		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	175,629		104		(12,359)		163,374
Collateralized loan obligations	312,086		—		(6,609)		305,477
Obligations of state and political subdivisions	22,016		38		(1,383)		20,671
Other debt securities	28,799		184		(410)		28,573
Totals	$	2,239,127	$	1,595	$	(224,755)	$	2,015,967
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	737,911	$	—	$	(119,135)	$	618,776
Totals	$	737,911	$	—	$	(119,135)	$	618,776

	December 31, 2022
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	13,813	$	173	$	(339)	$	13,647
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,561,197		539		(223,083)		1,338,653
Private mortgage-backed securities and collateralized mortgage obligations	179,148		70		(12,831)		166,387
Collateralized loan obligations	313,155		—		(10,251)		302,904
Obligations of state and political subdivisions	29,350		122		(1,731)		27,741
Other debt securities	22,640		197		(427)		22,410
Totals	$	2,119,303	$	1,101	$	(248,662)	$	1,871,742
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	747,408	$	64	$	(129,731)	$	617,741
Totals	$	747,408	$	64	$	(129,731)	$	617,741

During the three months ended March 31, 2023, debt securities with a fair value of $22.1 million obtained in the acquisition of Professional Holding Corp. (“Professional”) were sold. No gain or loss was recognized on the sale. There were $8.4 million in other sales of securities during the three months ended March 31, 2023, with gross gains of $24 thousand and gross losses of $19 thousand. Also included in “Securities gains (losses), net” is an increase of $0.1 million and a decrease of $0.5 million for the three months ended March 31, 2023 and 2022, respectively, in the value of an investment in shares of a mutual fund that invests in CRA-qualified debt securities.

At March 31, 2023, debt securities with a fair value of $2.0 billion were pledged primarily as collateral for public deposits and secured borrowings.

The amortized cost and fair value of securities at March 31, 2023, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because prepayments of the underlying collateral for these securities may occur, due to the right to call or repay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately.

	March 31, 2023
	Held-to-Maturity				Available-for-Sale
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	—	$	—	$	1,708	$	1,684
Due after one year through five years	—		—		14,321		14,270
Due after five years through ten years	—		—		15,460		15,377
Due after ten years	—		—		33,975		32,724
	—		—		65,464		64,055
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	737,911		618,776		1,657,149		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	—		—		175,629		163,374
Collateralized loan obligations	—		—		312,086		305,477
Other debt securities	—		—		28,799		28,573
Totals	$	737,911	$	618,776	$	2,239,127	$	2,015,967

The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flows analyses, or using observable market data. The tables below indicate the fair value of available-for-sale debt securities with unrealized losses for which no allowance for credit losses has been recorded.

	March 31, 2023
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	31,886	$	(316)	$	451	$	(15)	$	32,337	$	(331)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	499,606		(23,670)		907,243		(179,993)		1,406,849		(203,663)
Private mortgage-backed securities and collateralized mortgage obligations	76,503		(3,870)		58,387		(8,489)		134,890		(12,359)
Collateralized loan obligations	58,915		(1,395)		246,562		(5,214)		305,477		(6,609)
Obligations of state and political subdivisions	10,417		(128)		5,551		(1,255)		15,968		(1,383)
Other debt securities	18,058		(410)		—		—		18,058		(410)
Totals	$	695,385	$	(29,789)	$	1,218,194	$	(194,966)	$	1,913,579	$	(224,755)

	December 31, 2022
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	3,788	$	(328)	$	249	$	(11)	$	4,037	$	(339)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	646,651		(54,956)		667,520		(168,127)		1,314,171		(223,083)
Private mortgage-backed securities and collateralized mortgage obligations	130,488		(8,255)		25,234		(4,576)		155,722		(12,831)
Collateralized loan obligations	242,370		(8,343)		60,534		(1,908)		302,904		(10,251)
Obligations of state and political subdivisions	23,804		(1,656)		425		(75)		24,229		(1,731)
Other debt securities	11,459		(427)		—		—		11,459		(427)
Totals	$	1,058,560	$	(73,965)	$	753,962	$	(174,697)	$	1,812,522	$	(248,662)

At March 31, 2023, the Company had unrealized losses of $203.7 million on mortgage-backed securities and collateralized mortgage obligations issued by government-sponsored entities having a fair value of $1.4 billion. These securities are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. The implied government guarantee of principal and interest payments and the high credit rating of the portfolio provide a sufficient basis for the current expectation that there is no risk of loss if default were to occur. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $12.4 million of unrealized losses on private label residential and commercial mortgage-backed securities and collateralized mortgage obligations having a fair value of $134.9 million. The securities have weighted average credit support of 22%. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $6.6 million of unrealized losses in floating rate collateralized loan obligations (“CLOs”) having a fair value of $305.5 million. CLOs are special purpose vehicles and those in which the Company has invested acquire nearly all first-lien, broadly syndicated corporate loans across a diversified band of industries while providing support to senior tranche investors. As of March 31, 2023, all positions held by the Company are in AAA and AA tranches, with weighted average credit support of 36% and 25%, respectively. The Company evaluates the securities for potential credit losses by modeling expected loan-level defaults, recoveries, and prepayments for each CLO security. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $1.4 million of unrealized losses on municipal securities having a fair value of $16.0 million. These securities are highly rated issuances of state or local municipalities, all of which are continuing to make timely contractual payments. Based on the assessment of all relevant factors, the Company believes that the unrealized loss positions on these debt securities are a function of changes in investment spreads and interest rate movements and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. As a result, as of March 31, 2023, no allowance for credit losses has been recorded.

At March 31, 2023, the Company had $0.3 million of unrealized losses on floating rate student loan asset-backed securities having a fair value of $10.8 million. These securities were issued under the U.S. Department of Education’s Federal Family Education Loan program, which generally provides a minimum of 97% U.S. Department of Education guarantee of principal. These securities also have added credit enhancement through over-collateralization and have average credit support of 9%. Based on the assessment of all relevant factors, the Company believes any unrealized loss positions are a function of changes in investment spreads and interest rate movement and not changes in credit quality, and expects to recover the entire amortized cost basis of these securities. Therefore, at March 31, 2023, no allowance for credit losses has been recorded.

All held-to-maturity (“HTM”) debt securities are issued by government-sponsored entities, which are either explicitly or implicitly guaranteed by the U.S. government and have a long history of no credit losses. While the potential for default on these securities may be something greater than zero, the long history with no credit losses, the implied government guarantee of principal and interest payments and the high credit rating of the HTM portfolio provide sufficient basis for the current expectation that there is no risk of loss if default were to occur. As a result, as of March 31, 2023, no allowance for credit losses has been recorded. The Company has the intent and ability to hold these securities until maturity.

Included in Other Assets at March 31, 2023 is $78.9 million of Federal Home Loan Bank and Federal Reserve Bank stock stated at par value. The Company has not identified events or changes in circumstances which may have a significant adverse effect on the fair value of these cost method investment securities. Accrued interest receivable on available-for-sale (“AFS”) and HTM debt securities of $7.8 million and $1.3 million, respectively, at March 31, 2023, and $7.0 million and $1.3 million, respectively, at December 31, 2022, is included in Other Assets. Also included in Other Assets are investments in CRA-qualified mutual funds carried at fair value of $13.7 million and $8.2 million at March 31, 2023 and December 31, 2022, respectively.

The Company holds 11,330 shares of Visa Class B stock, which, following resolution of Visa litigation, will be converted to Visa Class A shares. Under the current conversion ratio that became effective December 29, 2022, the Company would receive 1.5991 shares of Class A stock for each share of Class B stock for a total of 18,117 shares of Visa Class A stock. The ownership of Visa stock is related to prior ownership in Visa's network while Visa operated as a cooperative, and is recorded on the Company's financial records at a zero basis.

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Loans

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Loans

Loans

Loans held for investment are categorized into the following segments:

•Construction and land development: Loans are extended to both commercial and consumer customers which are collateralized by and for the purpose of funding land development and construction projects, including 1-4 family residential construction, multi-family property and non-farm residential property where the primary source of repayment is from proceeds of the sale, refinancing or permanent financing of the property.

•Commercial real estate - owner occupied: Loans are extended to commercial customers for the purpose of acquiring real estate to be occupied by the borrower's business. These loans are collateralized by the subject property and the repayment of these loans is largely dependent on the performance of the company occupying the property.

•Commercial real estate - non-owner occupied: Loans are extended to commercial customers for the purpose of acquiring commercial property where occupancy by the borrower is not their primary intent. These loans are viewed primarily as cash flow loans, collateralized by the subject property, and the repayment of these loans is largely dependent on rental income from the successful operation of the property.

•Residential real estate: Loans are extended to consumer customers and collateralized primarily by 1-4 family residential properties and include fixed and variable rate mortgages, home equity mortgages, and home equity lines of credit. Loans are primarily written based on conventional loan agency guidelines, including loans that exceed agency value limitations. Sources of repayment are largely dependent on the occupant of the residential property.

•Commercial and financial: Loans are extended to commercial customers. The purpose of the loans can be working capital, physical asset expansion, asset acquisition or other business purposes. Loans may be collateralized by assets owned by the borrower or the borrower's business. Commercial loans are based primarily on the historical and projected cash flow of the borrower's business and secondarily on the capacity of credit enhancements, guarantees and underlying collateral provided by the borrower.

•Consumer: Loans are extended to consumer customers. The segment includes both installment loans and lines of credit which may be collateralized or non-collateralized.

The following tables present net loan balances by segment as of:

	March 31, 2023
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	358,960	$	370,353	$	28,522	$	757,835
Commercial real estate - owner occupied	998,479		613,636		40,376		1,652,491
Commercial real estate - non-owner occupied	1,787,839		1,476,543		147,669		3,412,051
Residential real estate	1,589,025		739,396		25,973		2,354,394
Commercial and financial	1,143,961		447,593		58,931		1,650,485
Consumer	169,088		128,865		3,787		301,740
PPP Loans	1,101		4,298		—		5,399
Totals	$	6,048,453	$	3,780,684	$	305,258	$	10,134,395

	December 31, 2022
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	364,900	$	201,333	$	21,100	$	587,332
Commercial real estate - owner occupied	995,154		451,202		31,946		1,478,302
Commercial real estate - non-owner occupied	1,695,411		767,138		127,225		2,589,774
Residential real estate	1,558,643		271,378		19,482		1,849,503
Commercial and financial	1,151,273		182,124		15,238		1,348,636
Consumer	177,338		89,458		19,791		286,587
PPP Loans	1,474		3,116		—		4,590
Totals	$	5,944,193	$	1,965,749	$	234,782	$	8,144,724

The amortized cost basis of loans at March 31, 2023 included net deferred costs of $35.7 million. At December 31, 2022, the amortized cost basis included net deferred costs of $35.1 million. At March 31, 2023, the remaining fair value adjustments on acquired loans were $216.0 million, or 5.0% of the outstanding acquired loan balances, compared to $97.7 million, or 4.3% of the acquired loan balances at December 31, 2022. The discount is accreted into interest income over the remaining lives of the related loans on a level yield basis.

Accrued interest receivable is included within Other Assets and was $34.4 million and $28.2 million at March 31, 2023 and December 31, 2022, respectively.

The following tables present the status of net loan balances as of March 31, 2023 and December 31, 2022.

	March 31, 2023
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	358,954	$	—	$	—	$	—	$	6	$	358,960
Commercial real estate - owner occupied	997,282		142		—		—		1,055		998,479
Commercial real estate - non-owner occupied	1,772,837		—		421		—		14,581		1,787,839
Residential real estate	1,578,686		2,972		69		—		7,298		1,589,025
Commercial and financial	1,134,951		2,396		—		—		6,614		1,143,961
Consumer	168,106		743		50		—		189		169,088
PPP Loans	1,018		—		—		83		—		1,101
Total Portfolio Loans	$	6,011,834	$	6,253	$	540	$	83	$	29,743	$	6,048,453
Acquired Non-PCD Loans
Construction and land development	$	370,305	$	—	$	48	$	—	$	—	$	370,353
Commercial real estate - owner occupied	613,636		—		—		—		—		613,636
Commercial real estate - non-owner occupied	1,472,452		926		—		—		3,165		1,476,543
Residential real estate	736,548		1,296		188		—		1,364		739,396
Commercial and financial	446,684		218		—		—		691		447,593
Consumer	122,844		4,374		781		866		—		128,865
PPP Loans	4,277		—		21		—		—		4,298
Total Acquired Non-PCD Loans	$	3,766,746	$	6,814	$	1,038	$	866	$	5,220	$	3,780,684
PCD Loans
Construction and land development	$	28,150	$	370	$	—	$	—	$	2	$	28,522
Commercial real estate - owner occupied	36,324		—		279		—		3,773		40,376
Commercial real estate - non-owner occupied	142,111		—		47		—		5,511		147,669
Residential real estate	23,426		504		715		—		1,328		25,973
Commercial and financial	53,643		280		—		—		5,008		58,931
Consumer	3,373		122		90		—		202		3,787
Total PCD Loans	$	287,027	$	1,276	$	1,131	$	—	$	15,824	$	305,258
Total Loans	$	10,065,607	$	14,343	$	2,709	$	949	$	50,787	$	10,134,395

	December 31, 2022
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	364,841	$	—	$	—	$	—	$	59	$	364,900
Commercial real estate - owner occupied	993,690		—		67		440		957		995,154
Commercial real estate - non-owner occupied	1,695,381		—		—		—		30		1,695,411
Residential real estate	1,550,040		1,172		147		—		7,284		1,558,643
Commercial and financial	1,142,536		1,032		476		—		7,229		1,151,273
Consumer	176,444		550		252		1		91		177,338
PPP Loans	1,099		33		—		342		—		1,474
Total Portfolio Loans	$	5,924,031	$	2,787	$	942	$	783	$	15,650	$	5,944,193
Acquired Non-PCD Loans
Construction and land development	$	201,263	$	—	$	—	$	—	$	70	$	201,333
Commercial real estate - owner occupied	450,109		796		297		—		—		451,202
Commercial real estate - non-owner occupied	765,633		162		—		—		1,343		767,138
Residential real estate	270,215		577		—		—		586		271,378
Commercial and financial	180,837		790		87		—		410		182,124
Consumer	87,317		779		616		525		221		89,458
PPP Loans	3,116		—		—		—		—		3,116
Total Acquired Non-PCD Loans	$	1,958,490	$	3,104	$	1,000	$	525	$	2,630	$	1,965,749
PCD Loans
Construction and land development	$	20,680	$	—	$	—	$	—	$	420	$	21,100
Commercial real estate - owner occupied	30,517		23		23		—		1,383		31,946
Commercial real estate - non-owner occupied	124,115		—		—		—		3,110		127,225
Residential real estate	17,885		10		—		—		1,587		19,482
Commercial and financial	11,201		4		—		—		4,033		15,238
Consumer	17,884		1,001		336		540		30		19,791
Total PCD Loans	$	222,282	$	1,038	$	359	$	540	$	10,563	$	234,782
Total Loans	$	8,104,803	$	6,929	$	2,301	$	1,848	$	28,843	$	8,144,724

All interest accrued but not received for loans placed on nonaccrual is reversed against interest income. Interest subsequently received on such loans is accounted for under the cost-recovery method, whereby interest income is not recognized until the loan balance is reduced to zero. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current, and future payments are reasonably assured. The Company recognized $0.1 million and $0.8 million in interest income on nonaccrual loans during each of the three months ended March 31, 2023 and 2022, respectively.

The following tables present net balances of loans on nonaccrual status and the related allowance for credit losses, if any, as of:

	March 31, 2023
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	6	$	2	$	8	$	—
Commercial real estate - owner occupied	2,078		2,751		4,829		126
Commercial real estate - non-owner occupied	982		22,274		23,256		585
Residential real estate	2,966		7,023		9,989		135
Commercial and financial	4,220		8,093		12,313		2,677
Consumer	37		355		392		290
Totals	$	10,289	$	40,498	$	50,787	$	3,813

	December 31, 2022
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	615	$	—	$	615	$	—
Commercial real estate - owner occupied	957		1,641		2,597		41
Commercial real estate - non-owner occupied	3,347		837		4,184		230
Residential real estate	8,072		1,036		9,109		58
Commercial and financial	4,724		6,891		11,615		2,319
Consumer	40		683		723		257
Totals	$	17,755	$	11,088	$	28,843	$	2,905

Collateral-Dependent Loans

Loans are considered collateral-dependent when the repayment, based on the Company's assessment as of the reporting date, is expected to be provided substantially through the operation or sale of the underlying collateral and there are no other available and reliable sources of repayment. The following table presents collateral-dependent loans as of:

(In thousands)	March 31, 2023		December 31, 2022
Construction and land development	$	6	$	59
Commercial real estate - owner occupied	5,278		2,733
Commercial real estate - non-owner occupied	37,902		1,698
Residential real estate	21,678		11,333
Commercial and financial	7,480		10,448
Consumer	202		426
Totals	$	72,546	$	26,697

Loans by Risk Rating

The Company utilizes an internal asset classification system as a means of identifying problem and potential problem loans. The following classifications are used to categorize loans under the internal classification system:

•Pass: Loans that are not problem loans or potential problem loans are considered to be pass-rated.

•Special Mention: Loans that do not currently expose the Company to sufficient risk to warrant classification in the Substandard or Doubtful categories, but possess weaknesses that deserve management's close attention are deemed to be Special Mention.

•Substandard: Loans with the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected.

•Substandard Impaired: Loans typically placed on nonaccrual and considered to be collateral-dependent.

•Doubtful: Loans that have all the weaknesses inherent in those classified Substandard with the added characteristic that the weakness present makes collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. The principal balance of loans classified as doubtful are likely to be charged off.

The following tables present the risk rating of loans by year of origination as of:

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	20,907	$	322,371	$	241,044	$	45,943	$	33,641	$	61,203	$	5,435	$	730,544
Special Mention	—		2,051		467		—		3,803		2		—		$	6,323
Substandard	—		—		9,407		—		—		11,555		—		$	20,962
Substandard Impaired	—		—		—		—		—		6		—		$	6
Doubtful	—		—		—		—		—		—		—		—
Total	$	20,907	$	324,422	$	250,918	$	45,943	$	37,444	$	72,766	$	5,435	$	757,835
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - owner occupied
Risk Ratings:
Pass	$	24,300	$	272,169	$	312,366	$	177,419	$	195,904	$	626,242	$	70	$	1,608,470
Special Mention	—		2		2,120		—		4,882		11,868		—		$	18,872
Substandard	—		691		2,336		7,105		2,604		9,552		—		$	22,288
Substandard Impaired	—		—		—		—		323		2,538		—		$	2,861
Doubtful	—		—		—		—		—		—		—		—
Total	$	24,300	$	272,862	$	316,822	$	184,524	$	203,713	$	650,200	$	70	$	1,652,491
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	86,801	$	861,624	$	673,294	$	331,702	$	421,185	$	952,125	$	145	$	3,326,876
Special Mention	—		—		1,727		11,228		7,839		16,534		—		$	37,328
Substandard	—		—		191		4,672		6,008		13,937		—		$	24,808
Substandard Impaired	—		—		—		15,526		1,849		5,664		—		$	23,039
Doubtful	—		—		—		—		—		—		—		—
Total	$	86,801	$	861,624	$	675,212	$	363,128	$	436,881	$	988,260	$	145	$	3,412,051
Gross Charge Offs	$	—	$	—	$	—	$	109	$	—	$	—	$	—	$	109
Residential real estate
Risk Ratings:
Pass	$	66,554	$	561,374	$	733,887	$	231,100	$	152,377	$	564,550	$	34,658	$	2,344,500
Special Mention	—		—		—		—		—		—		—		$	—
Substandard	—		—		—		—		—		—		—		$	—

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Substandard Impaired	—		75		566		155		612		8,418		68		$	9,894
Doubtful	—		—		—		—		—		—		—		—
Total	$	66,554	$	561,449	$	734,453	$	231,255	$	152,989	$	572,968	$	34,726	$	2,354,394
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	159	$	—	$	159
Commercial and financial
Risk Ratings:
Pass	$	58,767	$	482,995	$	462,755	$	170,255	$	104,402	$	281,433	$	13,797	$	1,574,404
Special Mention	—		5,230		15,682		3,530		4,156		3,779		—		$	32,377
Substandard	—		1,487		14,762		5,863		5,713		4,594		—		$	32,419
Substandard Impaired	—		55		59		3,973		1,077		4,682		—		$	9,846
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	58,767	$	489,767	$	493,258	$	183,686	$	115,348	$	295,862	$	13,797	$	1,650,485
Gross Charge Offs	$	—	$	—	$	56	$	1,334	$	204	$	848	$	200	$	2,642
Consumer
Risk Ratings:
Pass	$	9,269	$	100,987	$	91,072	$	28,799	$	34,956	$	32,088	$	3,442	$	300,613
Special Mention	—				—		—		—		—		—		$	—
Substandard	—		—		742		44		—		14		—		$	800
Substandard Impaired	—		39		—		13		—		275		—		$	327
Doubtful	—		—		—		—		—		—		—		—
Total	$	9,269	$	101,026	$	91,814	$	28,856	$	34,956	$	32,377	$	3,442	$	301,740
Gross Charge Offs	$	—	$	39	$	395	$	213	$	18	$	—	$	30	$	695
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	—	$	2,661	$	2,655	$	—	$	—	$	—	$	5,316
Substandard	—		—		14		69		—		—		—		$	83
Substandard Impaired	—		—		—		—		—		—		—		—
Total	$	—	$	—	$	2,675	$	2,724	$	—	$	—	$	—	$	5,399
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consolidated
Risk Ratings:
Pass	$	266,598	$	2,601,520	$	2,517,079	$	987,873	$	942,465	$	2,517,641	$	57,547	$	9,890,723
Special Mention	—		7,283		20,010		14,827		20,680		32,183		—		94,900
Substandard	—		2,178		27,438		17,684		14,325		39,652		—		101,360
Substandard Impaired	—		169		625		19,667		3,861		21,583		68		45,973
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	266,598	$	2,611,150	$	2,565,152	$	1,040,116	$	981,331	$	2,612,433	$	57,615	$	10,134,395
Gross Charge Offs	$	—	$	39	$	451	$	1,656	$	222	$	1,007	$	230	$	3,605

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	223,204	$	209,738	$	18,239	$	24,600	$	12,783	$	19,022	$	50,960	$	558,546
Special Mention	14,523		452		—		3,153		—		—		15		18,143
Substandard	—		9,227		—		—		959		—		—		10,186
Substandard Impaired	—		52		—		—		—		405		—		457
Doubtful	—		—		—		—		—		—		—		—
Total	$	237,727	$	219,469	$	18,239	$	27,753	$	13,742	$	19,427	$	50,975	$	587,332
Commercial real estate - owner occupied
Risk Ratings:

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Pass	$	215,453	$	251,638	$	180,081	$	185,286	$	121,568	$	467,963	$	32,253	$	1,454,242
Special Mention	694		—		2,363		4,403		2,548		2,869		—		12,877
Substandard	—		—		667		2,625		573		4,444		—		8,309
Substandard Impaired	—		—		—		311		294		2,269		—		2,874
Doubtful	—		—		—		—		—		—		—		—
Total	$	216,147	$	251,638	$	183,111	$	192,625	$	124,983	$	477,545	$	32,253	$	1,478,302
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	593,364	$	530,462	$	231,693	$	331,173	$	228,077	$	575,656	$	35,326	$	2,525,751
Special Mention	—		16,257		735		5,438		—		4,975		—		27,405
Substandard	—		192		19,315		—		5,515		7,412		—		32,434
Substandard Impaired	—		—		1,044		1,849		30		1,261		—		4,184
Doubtful	—		—		—		—		—		—		—		—
Total	$	593,364	$	546,911	$	252,787	$	338,460	$	233,622	$	589,304	$	35,326	$	2,589,774
Residential real estate
Risk Ratings:
Pass	$	270,054	$	552,950	$	121,879	$	77,100	$	97,900	$	292,867	$	423,764	$	1,836,514
Special Mention	—		—		50		—		25		269		884		1,228
Substandard	—		—		—		—		—		343		85		428
Substandard Impaired	—		—		133		32		83		9,515		1,570		11,333
Doubtful	—		—		—		—		—		—		—		—
Total	$	270,054	$	552,950	$	122,062	$	77,132	$	98,008	$	302,994	$	426,303	$	1,849,503
Commercial and financial
Risk Ratings:
Pass	$	359,833	$	320,307	$	140,450	$	77,562	$	57,924	$	58,648	$	292,818	$	1,307,542
Special Mention	1,244		423		106		474		195		259		2,998		5,699
Substandard	—		67		942		6,304		1,603		1,683		13,114		23,713
Substandard Impaired	5		58		5,109		147		3,642		2,545		176		11,682
Doubtful	—		—		—		—		—		—		—		—
Total	$	361,082	$	320,855	$	146,607	$	84,487	$	63,364	$	63,135	$	309,106	$	1,348,636
Consumer
Risk Ratings:
Pass	$	93,012	$	77,889	$	27,982	$	28,772	$	11,690	$	16,480	$	29,725	$	285,550
Special Mention	—		—		—		250		2		134		30		416
Substandard	—		—		11		—		—		191		—		202
Substandard Impaired	—		—		18		55		36		103		207		419
Doubtful	—		—		—		—		—		—		—		—
Total	$	93,012	$	77,889	$	28,011	$	29,077	$	11,728	$	16,908	$	29,962	$	286,587
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Substandard	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Substandard Impaired	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Consolidated
Risk Ratings:
Pass	$	1,754,920	$	1,945,692	$	720,324	$	724,493	$	529,942	$	1,430,636	$	864,846	$	7,972,735
Special Mention	16,461		17,132		3,254		13,718		2,770		8,506		3,927		65,768
Substandard	—		9,486		20,935		8,929		8,650		14,073		13,199		75,272
Substandard Impaired	5		110		6,304		2,394		4,085		16,098		1,953		30,949
Doubtful	—		—		—		—		—		—		—		—

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Total	$	1,771,386	$	1,972,420	$	750,817	$	749,534	$	545,447	$	1,469,313	$	883,925	$	8,144,724

Troubled Borrower Modifications

On January 1, 2023, the Company adopted ASU 2022-02 which includes disclosure requirements related to certain modifications of loans to borrowers experiencing financial difficulty, which the Company refers to as troubled borrower modifications (“TBMs”). TBMs are typically in the form of an interest rate reduction, an extension of the amortization period and/or converting the loan to interest only for a limited period of time. In addition to the change in payment terms, the Company seeks to obtain additional collateral and/or guarantors to provide additional support for the loan. The Company does not typically provide forgiveness of principal as a modification.

During the three months ended March 31, 2023, there was one loan totaling $29 thousand that was a TBM, which is considered immaterial. To the extent there are additional modifications in subsequent periods, the Company will disclose additional information about the nature of the modifications, the financial effect of the modifications and payment defaults of TBMs in the 12 months prior to default, among any other relevant disclosures.

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Allowance for Credit Losses

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Allowance for Credit Losses

Allowance for Credit Losses

Activity in the allowance for credit losses is summarized as follows:

	Three Months Ended March 31, 2023
(In thousands)	Beginning Balance		Initial Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		Ending Balance
Construction and land development	$	6,464	$	5	$	69	$	—	$	2	$	6,540
Commercial real estate - owner occupied	6,051		139		101		—		1		6,292
Commercial real estate - non-owner occupied	43,258		647		9,715		(109)		64		53,575
Residential real estate	29,605		400		9,898		(159)		150		39,894
Commercial and financial	15,648		11,983		6,414		(2,642)		190		31,593
Consumer	12,869		161		5,401		(695)		10		17,746
Totals	$	113,895	$	13,335	$	31,598	$	(3,605)	$	417	$	155,640

	Three Months Ended March 31, 2022
(In thousands)	Beginning Balance		Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		TDR Allowance Adjustments		Ending Balance
Construction and land development	$	2,751	$	—	$	(493)	$	—	$	10	$	—	$	2,268
Commercial real estate - owner occupied	8,579		—		715		—		—		—		9,294
Commercial real estate - non-owner occupied	36,617		31		7,274		—		—		—		43,922
Residential real estate	12,811		17		1,060		(1)		191		(3)		14,075
Commercial and financial	19,744		3		(1,628)		(569)		177		—		17,727
Consumer	2,813		—		(372)		(95)		208		(2)		2,552
Totals	$	83,315	$	51	$	6,556	$	(665)	$	586	$	(5)	$	89,838

Management establishes the allowance using relevant available information from both internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Forecast data is sourced from Moody’s Analytics (“Moody’s”), a firm widely recognized for its research, analysis, and economic forecasts. The forecasts of future economic conditions are over a period that has been deemed reasonable and supportable, and in segments where it can no longer develop

reasonable and supportable forecasts, the Company reverts to longer-term historical loss experience to estimate losses over the remaining life of the loans.

As of March 31, 2023 and December 31, 2022, the Company utilized a blend of Moody’s most recent “U.S. Macroeconomic Outlook Baseline” and “Alternative Scenario 3 - Downside - 90th Percentile” scenarios and considered the uncertainty associated with the assumptions in both scenarios, including continued actions taken by the Federal Reserve with regard to monetary policy and interest rates and the potential impact of those actions, the ongoing Russia-Ukraine conflict and the magnitude of the resulting market disruption, the potential impact of persistent high inflation on economic growth and expectations around a recession occurring over the next 12 to 24 months. Outcomes in any or all of these factors could differ from the scenarios identified above, and the Company incorporated qualitative considerations reflecting the risk of uncertain economic conditions, and for additional dimensions of risk not captured in the quantitative model.

The following section discusses changes in the level of the allowance for credit losses for the three months ended March 31, 2023. The acquisition of Professional on January 31, 2023, added approximately $2.0 billion in loans, contributing to the increase in allowance in each segment.

In the Construction and Land Development segment, the increase in the allowance is attributed to higher loan balances. In this segment, the primary source of repayment is typically from proceeds of the sale, refinancing, or permanent financing of the underlying property; therefore, industry and collateral type and estimated collateral values are among the relevant factors in assessing expected losses.

In the Commercial Real Estate - Owner-Occupied segment, the increase in the allowance is attributed to higher loan balances. Risk characteristics include but are not limited to, collateral type, note structure and loan seasoning.

In the Commercial Real Estate - Non Owner-Occupied segment, the increase in the allowance is attributed to higher loan balances. Repayment is often dependent upon rental income from the successful operation of the underlying property. Loan performance may be adversely affected by general economic conditions or conditions specific to the real estate market, including property types. Collateral type, note structure and loan seasoning are among the risk characteristics analyzed for this segment.

The Residential Real Estate segment includes first mortgages secured by residential property, and home equity lines of credit. The increase in the allowance is due to higher loan balances and the increasing likelihood of economic recession reflected within the forecast. Risk characteristics considered for this segment include, but are not limited to, borrower FICO score, lien position, loan to value ratios and loan seasoning.

In the Commercial and Financial segment, borrowers are primarily small to medium sized professional firms and other businesses, and loans are generally supported by projected cash flows of the business, collateralized by business assets, and/or guaranteed by the business owners. The increase in reserves is attributed to the acquisition of Commercial and Financial loans from Professional, which includes a reserve for individually evaluated purchased credit deteriorated loans of $12.0 million. Industry, collateral type, estimated collateral values and loan seasoning are among the relevant factors in assessing expected losses.

Consumer loans include installment and revolving lines, loans for automobiles, boats, and other personal or family purposes. Risk characteristics considered for this segment include, but are not limited to, collateral type, loan to value ratios, loan seasoning and FICO score. The increase in the allowance reflects the increasing likelihood of economic recession reflected within the forecast, in addition to an increase in loan balances.

The allowance for credit losses is composed of specific allowances for loans individually evaluated and general allowances for loans grouped into loan pools based on similar characteristics, which are collectively evaluated. The Company’s loan portfolio and related allowance at March 31, 2023 and December 31, 2022 are shown in the following tables:

	March 31, 2023
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	6	$	—	$	757,829	$	6,540	$	757,835	$	6,540
Commercial real estate - owner occupied	4,843		126		1,647,648		6,166		1,652,491		6,292
Commercial real estate - non-owner occupied	23,072		386		3,388,979		53,189		3,412,051		53,575
Residential real estate	12,986		177		2,341,408		39,717		2,354,394		39,894
Commercial and financial	39,355		14,798		1,616,529		16,795		1,655,884		31,593
Consumer	1,254		1,189		300,486		16,557		301,740		17,746
Totals	$	81,516	$	16,676	$	10,052,879	$	138,964	$	10,134,395	$	155,640

	December 31, 2022
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	59	$	—	$	587,273	$	6,464	$	587,332	$	6,464
Commercial real estate - owner occupied	3,346		41		1,474,956		6,010		1,478,302		6,051
Commercial real estate - non-owner occupied	4,183		230		2,585,591		43,028		2,589,774		43,258
Residential real estate	11,333		275		1,838,170		29,330		1,849,503		29,605
Commercial and financial	12,167		2,639		1,341,059		13,009		1,353,226		15,648
Consumer	426		362		286,161		12,507		286,587		12,869
Totals	$	31,514	$	3,547	$	8,113,210	$	110,348	$	8,144,724	$	113,895

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Derivatives

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

Back-to-Back Swaps

The Company offers interest rate swaps when requested by customers to allow them to hedge the risk of rising interest rates on their variable rate loans. Upon entering into these swaps, the Company enters into offsetting positions with counterparties in order to minimize the interest rate risk. These back-to-back swaps qualify as freestanding financial derivatives with the fair values reported in Other Assets and Other Liabilities. The Company is party to master netting arrangements with its financial institution counterparties; however, the Company does not offset assets and liabilities under the arrangements for financial statement presentation purposes. Gains and losses on these back-to-back swaps, which offset, are recorded through noninterest income. No net gains or losses have been recognized to date on these instruments. As of March 31, 2023, the interest rate swaps had an aggregate notional value of $430.4 million, with a fair value of $25.2 million recorded in Other Assets and Other Liabilities. As of December 31, 2022, the interest rate swaps had an aggregate notional value of $312.8 million, with a fair value of $23.1 million recorded in Other Assets and Other Liabilities. The weighted average maturity was 7.1 years at March 31, 2023 and 6.7 years at December 31, 2022.

Interest Rate Floors Designated as Cash Flow Hedges

The Company has entered into interest rate floor contracts to mitigate exposure to the variability of future cash flows due to changes in interest rates on certain segments of its variable-rate loans. During 2020, the Company entered into two interest rate floor contracts, each with a notional amount of $150.0 million, maturing in October 2023 and November 2023. The Company considers these derivatives to be highly effective at achieving offsetting changes in cash flows attributable to changes in interest rates and has designated them as cash flow hedges. Therefore, changes in the fair value of these derivative instruments are recognized in other comprehensive income. Amortization of the premium paid on cash flow hedges is recognized in earnings over the term of the hedge in the same caption as the hedged item. As of March 31, 2023 and December 31, 2022, the interest

rate floors had a fair value of $6 thousand and $2 thousand, respectively, and are recorded in Other Assets in the consolidated balance sheet. For the three months ended March 31, 2023, the Company recognized nominal gains through other comprehensive income in the three months ended March 31, 2023 and losses of $0.2 million in the prior year quarter, and reclassified $0.1 million and $0.1 million, respectively, out of accumulated other comprehensive income and into interest income. During the next twelve months, the Company expects to reclassify $0.4 million from accumulated other comprehensive income into interest income related to these agreements.

(In thousands)	Notional Amount		Fair Value		Balance Sheet Category
At March 31, 2023
Back-to-back swaps	$	430,380	$	25,241	Other Assets and Other Liabilities
Interest rate floors	300,000		6		Other Assets
At December 31, 2022
Back-to-back swaps	$	312,808	$	23,140	Other Assets and Other Liabilities
Interest rate floors	300,000		2		Other Assets

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Securities Sold Under Agreements to Repurchase

3 Months Ended

Mar. 31, 2023

Broker-Dealer [Abstract]

Securities Sold Under Agreements to Repurchase

Securities Sold Under Agreements to Repurchase

Securities sold under agreements to repurchase are accounted for as secured borrowings. For securities sold under agreements to repurchase, the Company is required to pledge collateral with value sufficient to fully collateralize borrowings. Company securities pledged were as follows by collateral type and maturity as of: 

(In thousands)	March 31, 2023		December 31, 2022
Fair value of pledged securities - overnight and continuous:
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	278,252	$	184,967

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Equity Capital	3 Months Ended
	Mar. 31, 2023
Equity [Abstract]
Equity Capital	Equity CapitalThe Company is well-capitalized and at March 31, 2023, the Company and the Company’s principal banking subsidiary, Seacoast Bank, exceeded the common equity Tier 1 (CET1) capital ratio regulatory threshold of 6.5% for well-capitalized institutions under the Basel III standardized transition approach, as well as risk-based and leverage ratio requirements for well-capitalized banks under the regulatory framework for prompt corrective action.

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Contingent Liabilities	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Contingent Liabilities	Contingent LiabilitiesThe Company and its subsidiaries, because of the nature of their business, are at all times subject to numerous legal actions, threatened or filed. Management presently believes that none of the legal proceedings to which it is a party are likely to have a materially adverse effect on the Company’s consolidated financial condition, operating results or cash flows.

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Fair Value

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value

Fair Value

Under ASC Topic 820, fair value measurements for items measured at fair value on a recurring and nonrecurring basis at March 31, 2023 and December 31, 2022 included:

(In thousands)	Fair Value Measurements		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
At March 31, 2023
Financial Assets
Available-for-sale debt securities1	$	2,015,967	$	188	$	2,015,779	$	—
Derivative financial instruments2	25,247		—		25,247		—
Loans held for sale2	2,838		—		2,838		—
Loans3	55,245		—		10,277		44,968
Other real estate owned4	7,756		—		7,756		—
Equity securities5	13,683		13,683		—		—
Financial Liabilities
Derivative financial instruments2	$	25,241	$	—	$	25,241	$	—
At December 31, 2022
Financial Assets
Available-for-sale debt securities1	$	1,871,742	$	186	$	1,871,556	$	—
Derivative financial instruments2	23,142		—		23,142		—
Loans held for sale2	3,151		—		3,151		—
Loans3	8,513		—		1,183		7,330
Other real estate owned4	2,301		—		2,301		—
Equity securities5	8,220		8,220		—		—
Financial Liabilities
Derivative financial instruments2	$	23,142	$	—	$	23,142	$	—
1See “Note 3 – Securities” for further detail of fair value of individual investment categories.
2Recurring fair value basis determined using observable market data.
3See “Note 4 – Loans.” Nonrecurring fair value adjustments to collateral-dependent loans reflect full or partial write-downs that are based on current appraised values of the collateral in accordance with ASC Topic 310.
4Fair value is measured on a nonrecurring basis in accordance with ASC Topic 360.
5Investment in shares of mutual funds that invest primarily in CRA-qualified debt securities, reported at fair value in Other Assets. Recurring fair value basis is determined using market quotations.

Available-for-sale debt securities: Level 1 securities consist of U.S. Treasury securities. Other securities are reported at fair value utilizing Level 2 inputs. The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flow analyses, using observable market data where available.

The Company reviews the prices supplied by independent pricing services, as well as their underlying pricing methodologies, for reasonableness and to ensure such prices are aligned with traditional pricing matrices. The fair value of collateralized loan obligations is determined from broker quotes. From time to time, the Company will validate, on a sample basis, prices supplied by the independent pricing service by comparison to prices obtained from other brokers and third-party sources or derived using internal models.

Derivative financial instruments: The Company offers interest rate swaps to certain loan customers to allow them to hedge the risk of rising interest rates on their variable rate loans. The Company originates a variable rate loan and enters into a variable-to-fixed interest rate swap with the customer. The Company also enters into an offsetting swap with a correspondent bank. These back-to-back agreements are intended to offset each other and allow the Company to originate a variable rate loan, while

providing a contract for fixed interest payments for the customer. The fair value of these derivatives is based on a discounted cash flow approach. Due to the observable nature of the inputs used in deriving the fair value of these derivative contracts, the valuation of interest rate swaps is classified as Level 2. Other derivatives consist of interest rate floors designated as cash flow hedges. The fair values of these instruments are based upon the estimated amount the Company would receive or pay to terminate the instruments, taking into account current interest rates and, when appropriate, the current creditworthiness of the counterparties. Interest rate floors designated as cash flow hedges are classified within Level 2.

Loans held for sale: Fair values are based upon estimated values to be received from independent third party purchasers. These loans are intended for sale and the Company believes that the fair value is the best indicator of the resolution of these loans. Fair market value changes occur due to changes in interest rates, the borrower’s credit, the secondary loan market and the market for a borrower’s debt. Interest income is recorded based on the contractual terms of the loan and in accordance with the Company’s policy on loans held for investment. None of the loans were 90 days or more past due or on nonaccrual as of March 31, 2023 and December 31, 2022.

The aggregate fair value and contractual balance of loans held for sale as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	March 31, 2023		December 31, 2022
Aggregate fair value	$	2,838	$	3,151
Contractual balance	2,765		3,071
Excess	73		80

Loans: Loans carried at fair value consist of collateral-dependent real estate loans. Fair value is based on recent real estate appraisals less estimated costs of sale. For these loans, evaluations may use either a single valuation approach or a combination of approaches, such as comparative sales, cost and/or income approach. A significant unobservable input in the income approach is the estimated capitalization rate for a given piece of collateral. At March 31, 2023, capitalization rates utilized to determine fair value of the underlying collateral averaged approximately 6.7%. Adjustments to comparable sales may be made by an appraiser to reflect local market conditions or other economic factors and may result in changes in the fair value of an asset over time. If such adjustments are made, the fair value of these loans is considered Level 3 in the fair value hierarchy. Collateral-dependent loans measured at fair value totaled $71.9 million with a specific reserve of $16.7 million at March 31, 2023, compared to $10.2 million with a specific reserve of $2.9 million at December 31, 2022.

For loans classified as Level 3, changes included loan additions of $39.1 million offset by $1.6 million in paydowns and charge-offs for the three months ended March 31, 2023.

Other real estate owned: When appraisals are used to determine fair value and the appraisals are based on a market approach, the fair value of other real estate owned (“OREO”) is classified as a Level 2 input. When the fair value of OREO is based on appraisals which require significant adjustments to market-based valuation inputs or apply an income approach based on unobservable cash flows, the fair value of OREO is classified as Level 3.

Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally coincides with the Company’s monthly and/or quarterly valuation process. During the three months ended March 31, 2023, there were no such transfers.

The carrying amount and fair value of the Company’s other financial instruments that were not disclosed previously in the balance sheet and for which carrying amount is not fair value as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2023
Financial Assets
Debt securities held-to-maturity1	$	737,911	$	—	$	618,776	$	—
Time deposits with other banks	3,236		—		3,000		—
Loans, net	9,923,510		—		—		9,764,669
Financial Liabilities
Deposit liabilities	12,309,701		—		—		12,297,399
Federal Home Loan Bank (“FHLB”) borrowings	385,000		—		—		382,523
Subordinated debt, net	105,804		—		97,985		—
December 31, 2022
Debt securities held-to-maturity1	$	747,408	$	—	$	617,741	$	—
Time deposits with other banks	3,236		—		2,989		—
Loans, net	8,022,316		—		—		7,845,375
Financial Liabilities
Deposit liabilities	9,981,595		—		—		9,976,125
Federal Home Loan Bank (“FHLB”) borrowings	150,000		—		—		149,450
Subordinated debt	84,533		—		82,226		—
1See “Note 3 – Securities” for further detail of recurring fair value basis of individual investment categories.

The short maturity of Seacoast’s assets and liabilities results in having a significant number of financial instruments whose fair value equals or closely approximates carrying value. Such financial instruments are reported in the following balance sheet captions: cash and due from banks, interest bearing deposits with other banks, short-term FHLB borrowings and securities sold under agreements to repurchase.

The following methods and assumptions were used to estimate the fair value of each class of financial instrument for which it is practicable to estimate that value at March 31, 2023 and December 31, 2022:

Held-to-maturity debt securities: These debt securities are reported at fair value utilizing Level 2 inputs. The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flow analyses, using observable market data where available.

The Company reviews the prices supplied by independent pricing services, as well as their underlying pricing methodologies, for reasonableness and to ensure such prices are aligned with traditional pricing matrices. From time to time, the Company will validate, on a sample basis, prices supplied by the independent pricing service by comparison to prices obtained from other brokers and third-party sources or derived using internal models.

Loans: Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, such as commercial or mortgage. Each loan category is further segmented into fixed and adjustable-rate interest terms as well as performing and nonperforming categories. The fair value of loans is calculated by discounting scheduled cash flows through the estimated life including prepayment considerations, using estimated market discount rates that reflect the risks inherent in the loan. The fair value approach considers market-driven variables including credit related factors and reflects an “exit price” as defined in ASC Topic 820.

Deposit liabilities: The fair value of demand deposits, savings accounts and money market deposits is the amount payable at the reporting date. The fair value of fixed maturity certificates of deposit is estimated using the rates currently offered for funding of similar remaining maturities.

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Business Combinations

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Business Combinations

Business Combinations

Acquisition of Professional Holding Corp.

On January 31, 2023, the Company completed its acquisition of Professional Holding Corp. (“Professional”). Simultaneously, upon completion of the merger of Professional and the Company, Professional Bank was merged with and into Seacoast Bank. Prior to the acquisition, Professional Bank operated nine branches across South Florida. The transaction further expands the Company’s presence in the tri-county South Florida market, which includes Miami-Dade, Broward, and Palm Beach counties, Florida’s largest MSA and the 8th largest in the nation. The Company acquired 100% of the outstanding common stock of Professional. Under the terms of the merger agreement, Professional shareholders received 0.8909 shares of Seacoast common stock for each share of Professional common stock held immediately prior to the merger, and Professional option holders received options to purchase Seacoast common stock, with the number of shares underlying each such option and the applicable exercise price adjusted using the same 0.8909 exchange ratio.

(In thousands, except per share data)	January 31, 2023
Number of Professional common shares outstanding	14,358
Per share exchange ratio	0.8909
Number of shares of SBCF common stock issued	12,792
Multiplied by common stock price per share at January 31, 2023	$	32.11
Value of SBCF common stock issued	$	410,738
Cash paid for fractional shares	5
Fair value of Professional options converted	10,304
Total purchase price	$	421,047

The acquisition of Professional was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $248.1 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

As part of the acquisition of Professional, options were granted to replace outstanding Professional options. These options were fully vested upon acquisition. The full value of the replacement options, $10.3 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

	Measured
(In thousands)	January 31, 2023
Assets:
Cash and cash equivalents	$	141,680
Investment securities	167,059
Loans	1,991,713
Bank premises and equipment	2,478
Core deposit intangibles	48,885
Goodwill	248,091
BOLI	55,071
Other Assets	74,232
Total Assets	$	2,729,209
Liabilities:
Deposits	$	2,119,341
Subordinated debt	21,141
Other Liabilities	167,680
Total Liabilities	$	2,308,162

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 31, 2023
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	156,048	$	151,012
Commercial real estate - owner occupied	293,473		274,068
Commercial real estate - non-owner occupied	752,393		692,746
Residential real estate	509,305		483,611
Commercial and financial	392,396		356,172
Consumer	33,656		32,153
PPP Loans	1,951		1,951
Total acquired loans	$	2,139,222	$	1,991,713

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 31, 2023
Book balance of loans at acquisition	$	155,031
Allowance for credit losses at acquisition	(13,335)
Non-credit related discount	(12,361)
Total PCD loans acquired	$	129,335

The acquisition of Professional resulted in the addition of $39.9 million in allowance for credit losses, including the $13.3 million identified in the table above for PCD loans, and $26.6 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Apollo Bancshares, Inc.

On October 7, 2022, the Company completed its acquisition of Apollo Bancshares, Inc. (“Apollo”). Simultaneously, upon completion of the merger of Apollo and the Company, Apollo Bank was merged with and into Seacoast Bank. Prior to the acquisition, Apollo Bank operated five branches in Miami-Dade County.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating costs through economies of scale, and positively affect the Company’s operating results.

Apollo shareholders received 1.006529 shares of Seacoast common stock for each share of Apollo common stock, and the minority interest holders in Apollo Bank received 1.195651 shares of Seacoast common stock for each share of Apollo Bank common stock.

(In thousands, except per share data)	October 7, 2022
Number of Apollo common shares outstanding	3,766
Per share exchange ratio	1.0065
Number of shares of SBCF common stock issued	3,791
Number of Apollo Bank minority interest shares outstanding	609
Per share exchange ratio	1.1957
Number of shares of SBCF common stock issued	728
Total number of shares of SBCF common stock issued	4,519
Multiplied by common stock price per share at October 7, 2022	$	30.83
Value of SBCF common stock issued	$	139,307
Cash paid for fractional shares	5
Fair value of Apollo options and warrants converted	6,530
Total purchase price	$	145,842

The acquisition of Apollo was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $90.2 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

As part of the acquisition of Apollo, options and warrants were granted to replace outstanding Apollo awards. These awards were fully vested upon acquisition. The full value of the replacement awards, $6.5 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	41,001
Investment securities	203,596
Loans	666,522
Bank premises and equipment	7,809
Core deposit intangibles	28,699
Goodwill	90,237
Other Assets	52,724
Total Assets	$	1,090,588
Liabilities:
Deposits	$	854,774
Other Liabilities	89,972
Total Liabilities	$	944,746

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	74,126	$	70,654
Commercial real estate - owner occupied	131,093		121,600
Commercial real estate - non-owner occupied	374,673		340,561
Residential real estate	76,254		75,957
Commercial and financial	50,125		46,695
Consumer	11,307		11,055
Total acquired loans	$	717,578	$	666,522

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	107,744
Allowance for credit losses at acquisition	(2,658)
Non-credit related discount	(14,191)
Total PCD loans acquired	$	90,895

The acquisition of Apollo resulted in the addition of $7.8 million in allowance for credit losses, including the $2.7 million identified in the table above for PCD loans, and $5.1 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Drummond Banking Company.

On October 7, 2022, the Company completed its acquisition of Drummond Banking Company (“Drummond”). Simultaneously, upon completion of the merger of Drummond and the Company, Drummond’s wholly owned subsidiary bank, Drummond Community Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Drummond Community Bank operated 18 branches across North Florida.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results. The Company acquired 100% of the outstanding common stock of Drummond. Under the terms of the definitive agreement, common stock was converted into the right to receive 51.9561 shares of Seacoast common stock.

(In thousands, except per share data)	October 7, 2022
Number of Drummond common shares outstanding	99
Per share exchange ratio	51.9561
Number of shares of SBCF common stock issued	5,136
Multiplied by common stock price per share at October 7, 2022	$	30.83
Total purchase price	$	158,332

The acquisition of Drummond was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $103.5 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values. The fair values initially assigned to assets acquired and liabilities assumed are preliminary and could change for up to one year after the closing date of the acquisition as new information and circumstances relative to closing date fair values becomes known.

	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	31,805
Investment securities	327,852
Loans	544,694
Bank premises and equipment	29,370
Core deposit and other intangibles	32,983
Goodwill	103,476
Other Assets	49,812
Total Assets	$	1,119,992
Liabilities:
Deposits	$	881,281
Other Liabilities	80,379
Total Liabilities	$	961,660

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	155,041	$	140,401
Commercial real estate - owner occupied	112,768		106,152
Commercial real estate - non-owner occupied	26,520		24,744
Residential real estate	85,767		78,663
Commercial and financial	88,026		82,067
Consumer	118,880		112,667
Total acquired loans	$	587,002	$	544,694

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	58,878
Allowance for credit losses at acquisition	(2,566)
Non-credit related discount	(4,607)
Total PCD loans acquired	$	51,705

The acquisition of Drummond resulted in the addition of $12.5 million in allowance for credit losses, including the $2.6 million identified in the table above for PCD loans, and $9.9 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Business Bank of Florida, Corp.

On January 3, 2022, the Company completed its acquisition of Business Bank of Florida, Corp., (“BBFC”). Simultaneously, upon completion of the merger of BBFC and the Company, BBFC’s wholly owned subsidiary bank, Florida Business Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Florida Business Bank operated one branch in Melbourne, Florida.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results.

The Company acquired 100% of the outstanding common stock of BBFC. Under the terms of the definitive agreement, each share of BBFC common stock was converted into the right to receive 0.7997 of a share of Seacoast common stock.

(In thousands, except per share data)	January 3, 2022
Number of BBFC common shares outstanding	1,112
Per share exchange ratio	0.7997
Number of shares of SBCF common stock issued	889
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	31,480
Fair value of BBFC options converted	497
Total purchase price	$	31,977

The acquisition of BBFC was accounted for under the acquisition method in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $8.0 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values.

As part of the BBFC acquisition, options were granted to replace outstanding BBFC options. These options were fully vested upon acquisition. The full value of the replacement options, $0.5 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	38,332
Investment securities	26,011
Loans	121,774
Bank premises and equipment	2,102
Core deposit intangibles	2,621
Goodwill	7,962
Total assets	$	198,802
Liabilities:
Deposits	166,326
Other liabilities	499
Total liabilities	$	166,825

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	8,677	$	8,414
Commercial real estate - owner occupied	45,403		44,564
Commercial real estate - non-owner occupied	53,065		52,034
Residential real estate	5,377		5,421
Commercial and financial	11,335		11,280
Consumer	59		61
Total acquired loans	$	123,916	$	121,774

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	714
Allowance for credit losses at acquisition	(15)
Non-credit related discount	(48)
Total PCD loans acquired	$	651

The acquisition of BBFC resulted in the addition of $1.8 million in allowance for credit losses, including the $15 thousand identified in the table above for PCD loans, and $1.8 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition of Sabal Palm Bancorp, Inc.

On January 3, 2022, the Company completed its acquisition of Sabal Palm Bancorp, Inc. (“Sabal Palm”). Simultaneously, upon completion of the merger of Sabal Palm and the Company, Sabal Palm’s wholly owned subsidiary bank, Sabal Palm Bank, was merged with and into Seacoast Bank. Prior to the acquisition, Sabal Palm Bank operated three branches in the Sarasota area.

As a result of this acquisition, the Company expects to expand its customer base and leverage operating cost through economies of scale, and positively affect the Company’s operating results.

The Company acquired 100% of the outstanding common stock of Sabal Palm. Under the terms of the definitive agreement, each share of Sabal Palm common stock was converted into the right to receive 0.2203 of a share of Seacoast common stock.

(In thousands, except per share data)	January 3, 2022
Number of Sabal Palm common shares outstanding	7,536
Per share exchange ratio	0.2203
Number of shares of SBCF common stock issued	1,660
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	58,762
Fair value of Sabal Palm options converted	3,336
Total purchase price	$	62,098

The acquisition of Sabal Palm was accounted for under the acquisition method in accordance with ASC Topic 805, Business Combinations. The Company recognized goodwill of $26.5 million for this acquisition that is nondeductible for tax purposes. Determining fair values of assets and liabilities, especially the loan portfolio, core deposit intangibles, and deferred taxes, is a complicated process involving significant judgment regarding methods and assumptions used to calculate estimated fair values.

As part of the Sabal Palm acquisition, options were granted to replace outstanding Sabal Palm options. These options were fully vested upon acquisition. The full value of the replacement options, $3.3 million, was associated with pre-combination service and was therefore included in the calculation of the total purchase consideration.

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	170,609
Time deposits with other banks	6,473
Loans	246,152
Bank premises and equipment	1,745
Core deposit intangibles	5,587
Goodwill	26,489
Other assets	5,189
Total assets	$	462,244
Liabilities:
Deposits	395,952
Other liabilities	4,194
Total liabilities	$	400,146

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	9,256	$	9,009
Commercial real estate - owner occupied	57,690		56,591
Commercial real estate - non-owner occupied	89,153		87,280
Residential real estate	71,469		72,227
Commercial and financial	21,109		20,813
Consumer	233		232
Total acquired loans	$	248,910	$	246,152

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	3,703
Allowance for credit losses at acquisition	(37)
Non-credit related discount	(663)
Total PCD loans acquired	$	3,003

The acquisition of Sabal Palm resulted in the addition of $3.4 million in allowance for credit losses, including the $37 thousand identified in the table above for PCD loans, and $3.4 million for non-PCD loans recorded through the provision for credit losses at the date of acquisition.

The Company believes the deposits assumed in the acquisition have an intangible value. In determining the valuation amount, deposits were analyzed based on factors such as type of deposit, deposit retention, interest rates and age of deposit relationships.

Acquisition Costs

Acquisition costs included in the Company's income statement for the three months ended March 31, 2023, and 2022 were $17.5 million and $6.7 million, respectively.

Pro-Forma Information

Pro-forma data as of March 31, 2023 and 2022 present information as if the acquisition of Professional occurred at the beginning of 2022. The pro-forma information is presented for illustrative purposes only and is not necessarily indicative of the results of operations that would have occurred if the transactions had been effected on the assumed dates.

	Three Months Ended
	March 31,
(In thousands, except per share data)	2023		2022
Net interest income	$	141,920	$	105,597
Net income available to common shareholders	36,090		12,809
EPS - basic	0.43		0.17
EPS - diluted	0.42		0.17

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation: The accompanying unaudited consolidated financial statements of Seacoast Banking Corporation of Florida and its subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain prior period amounts have been reclassified to conform to the current period presentation.Operating results for the three months ended March 31, 2023, are not necessarily indicative of the results that may be expected for the year ending December 31, 2023, or any other period. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

Use of Estimates

Use of Estimates: The preparation of these consolidated financial statements requires management to make judgments in the application of certain accounting policies that involve significant estimates and assumptions. The Company has established policies and control procedures that are intended to ensure valuation methods are well controlled and applied consistently from period to period. These estimates and assumptions, which may materially affect the reported amounts of certain assets, liabilities, revenues and expenses, are based on information available as of the date of the financial statements, and changes in this information over time and the use of revised estimates and assumptions could materially affect amounts reported in subsequent financial statements. Specific areas, among others, requiring the application of management’s estimates include determination of the allowance for credit losses, acquisition accounting and purchased loans, intangible assets and impairment testing, other fair value measurements and contingent liabilities.

Adoption of New Accounting Pronouncement

Adoption of New Accounting PronouncementOn January 1, 2023, the Company adopted Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2022-02, “Troubled Debt Restructurings and Vintage Disclosures”. ASU 2022-02 eliminates the accounting guidance for troubled debt restructurings (“TDRs”) in ASC 310-40, Receivables – Troubled Debt Restructurings by Creditors, and introduces new disclosures related to modifications with borrowers that are experiencing financial difficulties. ASU 2022-02 also requires the disclosure of current-period gross write-offs by year of origination for financing receivables held at amortized cost. Upon adoption, the Company eliminated the separate allowance for credit loss estimation process for loans classified as TDRs. The adoption did not have a material impact to the consolidated financial statements. For additional information on the loans modified for borrowers in financial difficulty and for the disclosure of current-period gross write-offs by year of origination, see “Note 4 – Loans”.

Fair Value Measurement

Held-to-maturity debt securities: These debt securities are reported at fair value utilizing Level 2 inputs. The estimated fair value of a security is determined based on market quotations when available or, if not available, by using quoted market prices for similar securities, pricing models or discounted cash flow analyses, using observable market data where available.

The Company reviews the prices supplied by independent pricing services, as well as their underlying pricing methodologies, for reasonableness and to ensure such prices are aligned with traditional pricing matrices. From time to time, the Company will validate, on a sample basis, prices supplied by the independent pricing service by comparison to prices obtained from other brokers and third-party sources or derived using internal models.

Loans: Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, such as commercial or mortgage. Each loan category is further segmented into fixed and adjustable-rate interest terms as well as performing and nonperforming categories. The fair value of loans is calculated by discounting scheduled cash flows through the estimated life including prepayment considerations, using estimated market discount rates that reflect the risks inherent in the loan. The fair value approach considers market-driven variables including credit related factors and reflects an “exit price” as defined in ASC Topic 820.

Deposit liabilities: The fair value of demand deposits, savings accounts and money market deposits is the amount payable at the reporting date. The fair value of fixed maturity certificates of deposit is estimated using the rates currently offered for funding of similar remaining maturities.

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Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Three Months Ended March 31,
(Dollars in thousands, except per share data)	2023		2022
Basic earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Net income per share	$	0.15	$	0.34
Diluted earnings per share
Net income	$	11,827	$	20,588
Average common shares outstanding	80,151		61,127
Add: Dilutive effect of employee restricted stock and stock options	566		577
Average diluted shares outstanding	80,717		61,704
Net income per share	$	0.15	$	0.33
Net income has not been allocated to unvested restricted stock awards that are participating securities because the amounts that would be allocated are not material to net income per share of common stock. Unvested restricted stock awards that are participating securities represent less than one percent of all of the outstanding shares of common stock for each of the periods presented.

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Securities (Tables)

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost and Fair Value of Securities Available for Sale

The amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale and held-to-maturity at March 31, 2023 and December 31, 2022 are summarized as follows:

	March 31, 2023
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	43,448	$	267	$	(331)	$	43,384
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,657,149		1,002		(203,663)		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	175,629		104		(12,359)		163,374
Collateralized loan obligations	312,086		—		(6,609)		305,477
Obligations of state and political subdivisions	22,016		38		(1,383)		20,671
Other debt securities	28,799		184		(410)		28,573
Totals	$	2,239,127	$	1,595	$	(224,755)	$	2,015,967
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	737,911	$	—	$	(119,135)	$	618,776
Totals	$	737,911	$	—	$	(119,135)	$	618,776

	December 31, 2022
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	13,813	$	173	$	(339)	$	13,647
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,561,197		539		(223,083)		1,338,653
Private mortgage-backed securities and collateralized mortgage obligations	179,148		70		(12,831)		166,387
Collateralized loan obligations	313,155		—		(10,251)		302,904
Obligations of state and political subdivisions	29,350		122		(1,731)		27,741
Other debt securities	22,640		197		(427)		22,410
Totals	$	2,119,303	$	1,101	$	(248,662)	$	1,871,742
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	747,408	$	64	$	(129,731)	$	617,741
Totals	$	747,408	$	64	$	(129,731)	$	617,741

Summary of Amortized Cost and Fair Value of Held-to-Maturity Securities

The amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale and held-to-maturity at March 31, 2023 and December 31, 2022 are summarized as follows:

	March 31, 2023
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	43,448	$	267	$	(331)	$	43,384
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,657,149		1,002		(203,663)		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	175,629		104		(12,359)		163,374
Collateralized loan obligations	312,086		—		(6,609)		305,477
Obligations of state and political subdivisions	22,016		38		(1,383)		20,671
Other debt securities	28,799		184		(410)		28,573
Totals	$	2,239,127	$	1,595	$	(224,755)	$	2,015,967
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	737,911	$	—	$	(119,135)	$	618,776
Totals	$	737,911	$	—	$	(119,135)	$	618,776

	December 31, 2022
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-Sale Debt Securities
U.S. Treasury securities and obligations of U.S. government agencies	$	13,813	$	173	$	(339)	$	13,647
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	1,561,197		539		(223,083)		1,338,653
Private mortgage-backed securities and collateralized mortgage obligations	179,148		70		(12,831)		166,387
Collateralized loan obligations	313,155		—		(10,251)		302,904
Obligations of state and political subdivisions	29,350		122		(1,731)		27,741
Other debt securities	22,640		197		(427)		22,410
Totals	$	2,119,303	$	1,101	$	(248,662)	$	1,871,742
Held-to-Maturity Debt Securities
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	747,408	$	64	$	(129,731)	$	617,741
Totals	$	747,408	$	64	$	(129,731)	$	617,741

Summary of Investments Classified by Contractual Maturity

Securities not due at a single maturity date are shown separately.

	March 31, 2023
	Held-to-Maturity				Available-for-Sale
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than one year	$	—	$	—	$	1,708	$	1,684
Due after one year through five years	—		—		14,321		14,270
Due after five years through ten years	—		—		15,460		15,377
Due after ten years	—		—		33,975		32,724
	—		—		65,464		64,055
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	737,911		618,776		1,657,149		1,454,488
Private mortgage-backed securities and collateralized mortgage obligations	—		—		175,629		163,374
Collateralized loan obligations	—		—		312,086		305,477
Other debt securities	—		—		28,799		28,573
Totals	$	737,911	$	618,776	$	2,239,127	$	2,015,967

Schedule of Debt Securities in Unrealized Loss Position

The tables below indicate the fair value of available-for-sale debt securities with unrealized losses for which no allowance for credit losses has been recorded.

	March 31, 2023
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	31,886	$	(316)	$	451	$	(15)	$	32,337	$	(331)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	499,606		(23,670)		907,243		(179,993)		1,406,849		(203,663)
Private mortgage-backed securities and collateralized mortgage obligations	76,503		(3,870)		58,387		(8,489)		134,890		(12,359)
Collateralized loan obligations	58,915		(1,395)		246,562		(5,214)		305,477		(6,609)
Obligations of state and political subdivisions	10,417		(128)		5,551		(1,255)		15,968		(1,383)
Other debt securities	18,058		(410)		—		—		18,058		(410)
Totals	$	695,385	$	(29,789)	$	1,218,194	$	(194,966)	$	1,913,579	$	(224,755)

	December 31, 2022
	Less Than 12 Months				12 Months or Longer				Total
(In thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Treasury securities and obligations of U.S. government agencies	$	3,788	$	(328)	$	249	$	(11)	$	4,037	$	(339)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	646,651		(54,956)		667,520		(168,127)		1,314,171		(223,083)
Private mortgage-backed securities and collateralized mortgage obligations	130,488		(8,255)		25,234		(4,576)		155,722		(12,831)
Collateralized loan obligations	242,370		(8,343)		60,534		(1,908)		302,904		(10,251)
Obligations of state and political subdivisions	23,804		(1,656)		425		(75)		24,229		(1,731)
Other debt securities	11,459		(427)		—		—		11,459		(427)
Totals	$	1,058,560	$	(73,965)	$	753,962	$	(174,697)	$	1,812,522	$	(248,662)

XML

Loans (Tables)

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans

The following tables present net loan balances by segment as of:

	March 31, 2023
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	358,960	$	370,353	$	28,522	$	757,835
Commercial real estate - owner occupied	998,479		613,636		40,376		1,652,491
Commercial real estate - non-owner occupied	1,787,839		1,476,543		147,669		3,412,051
Residential real estate	1,589,025		739,396		25,973		2,354,394
Commercial and financial	1,143,961		447,593		58,931		1,650,485
Consumer	169,088		128,865		3,787		301,740
PPP Loans	1,101		4,298		—		5,399
Totals	$	6,048,453	$	3,780,684	$	305,258	$	10,134,395

	December 31, 2022
(In thousands)	Portfolio Loans		Acquired Non-PCD Loans		PCD Loans		Total
Construction and land development	$	364,900	$	201,333	$	21,100	$	587,332
Commercial real estate - owner occupied	995,154		451,202		31,946		1,478,302
Commercial real estate - non-owner occupied	1,695,411		767,138		127,225		2,589,774
Residential real estate	1,558,643		271,378		19,482		1,849,503
Commercial and financial	1,151,273		182,124		15,238		1,348,636
Consumer	177,338		89,458		19,791		286,587
PPP Loans	1,474		3,116		—		4,590
Totals	$	5,944,193	$	1,965,749	$	234,782	$	8,144,724

Schedule of Past Due Financing Receivables

The following tables present the status of net loan balances as of March 31, 2023 and December 31, 2022.

	March 31, 2023
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	358,954	$	—	$	—	$	—	$	6	$	358,960
Commercial real estate - owner occupied	997,282		142		—		—		1,055		998,479
Commercial real estate - non-owner occupied	1,772,837		—		421		—		14,581		1,787,839
Residential real estate	1,578,686		2,972		69		—		7,298		1,589,025
Commercial and financial	1,134,951		2,396		—		—		6,614		1,143,961
Consumer	168,106		743		50		—		189		169,088
PPP Loans	1,018		—		—		83		—		1,101
Total Portfolio Loans	$	6,011,834	$	6,253	$	540	$	83	$	29,743	$	6,048,453
Acquired Non-PCD Loans
Construction and land development	$	370,305	$	—	$	48	$	—	$	—	$	370,353
Commercial real estate - owner occupied	613,636		—		—		—		—		613,636
Commercial real estate - non-owner occupied	1,472,452		926		—		—		3,165		1,476,543
Residential real estate	736,548		1,296		188		—		1,364		739,396
Commercial and financial	446,684		218		—		—		691		447,593
Consumer	122,844		4,374		781		866		—		128,865
PPP Loans	4,277		—		21		—		—		4,298
Total Acquired Non-PCD Loans	$	3,766,746	$	6,814	$	1,038	$	866	$	5,220	$	3,780,684
PCD Loans
Construction and land development	$	28,150	$	370	$	—	$	—	$	2	$	28,522
Commercial real estate - owner occupied	36,324		—		279		—		3,773		40,376
Commercial real estate - non-owner occupied	142,111		—		47		—		5,511		147,669
Residential real estate	23,426		504		715		—		1,328		25,973
Commercial and financial	53,643		280		—		—		5,008		58,931
Consumer	3,373		122		90		—		202		3,787
Total PCD Loans	$	287,027	$	1,276	$	1,131	$	—	$	15,824	$	305,258
Total Loans	$	10,065,607	$	14,343	$	2,709	$	949	$	50,787	$	10,134,395

	December 31, 2022
(In thousands)	Current		Accruing 30-59 Days Past Due		Accruing 60-89 Days Past Due		Accruing Greater Than 90 Days		Nonaccrual		Total
Portfolio Loans
Construction and land development	$	364,841	$	—	$	—	$	—	$	59	$	364,900
Commercial real estate - owner occupied	993,690		—		67		440		957		995,154
Commercial real estate - non-owner occupied	1,695,381		—		—		—		30		1,695,411
Residential real estate	1,550,040		1,172		147		—		7,284		1,558,643
Commercial and financial	1,142,536		1,032		476		—		7,229		1,151,273
Consumer	176,444		550		252		1		91		177,338
PPP Loans	1,099		33		—		342		—		1,474
Total Portfolio Loans	$	5,924,031	$	2,787	$	942	$	783	$	15,650	$	5,944,193
Acquired Non-PCD Loans
Construction and land development	$	201,263	$	—	$	—	$	—	$	70	$	201,333
Commercial real estate - owner occupied	450,109		796		297		—		—		451,202
Commercial real estate - non-owner occupied	765,633		162		—		—		1,343		767,138
Residential real estate	270,215		577		—		—		586		271,378
Commercial and financial	180,837		790		87		—		410		182,124
Consumer	87,317		779		616		525		221		89,458
PPP Loans	3,116		—		—		—		—		3,116
Total Acquired Non-PCD Loans	$	1,958,490	$	3,104	$	1,000	$	525	$	2,630	$	1,965,749
PCD Loans
Construction and land development	$	20,680	$	—	$	—	$	—	$	420	$	21,100
Commercial real estate - owner occupied	30,517		23		23		—		1,383		31,946
Commercial real estate - non-owner occupied	124,115		—		—		—		3,110		127,225
Residential real estate	17,885		10		—		—		1,587		19,482
Commercial and financial	11,201		4		—		—		4,033		15,238
Consumer	17,884		1,001		336		540		30		19,791
Total PCD Loans	$	222,282	$	1,038	$	359	$	540	$	10,563	$	234,782
Total Loans	$	8,104,803	$	6,929	$	2,301	$	1,848	$	28,843	$	8,144,724

Schedule of Nonaccrual Loans by Loan Category

The following tables present net balances of loans on nonaccrual status and the related allowance for credit losses, if any, as of:

	March 31, 2023
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	6	$	2	$	8	$	—
Commercial real estate - owner occupied	2,078		2,751		4,829		126
Commercial real estate - non-owner occupied	982		22,274		23,256		585
Residential real estate	2,966		7,023		9,989		135
Commercial and financial	4,220		8,093		12,313		2,677
Consumer	37		355		392		290
Totals	$	10,289	$	40,498	$	50,787	$	3,813

	December 31, 2022
(In thousands)	Nonaccrual Loans With No Related Allowance		Nonaccrual Loans With an Allowance		Total Nonaccrual Loans		Allowance for Credit Losses
Construction and land development	$	615	$	—	$	615	$	—
Commercial real estate - owner occupied	957		1,641		2,597		41
Commercial real estate - non-owner occupied	3,347		837		4,184		230
Residential real estate	8,072		1,036		9,109		58
Commercial and financial	4,724		6,891		11,615		2,319
Consumer	40		683		723		257
Totals	$	17,755	$	11,088	$	28,843	$	2,905

Schedule of Collateral Dependent Loans

The following table presents collateral-dependent loans as of:

(In thousands)	March 31, 2023		December 31, 2022
Construction and land development	$	6	$	59
Commercial real estate - owner occupied	5,278		2,733
Commercial real estate - non-owner occupied	37,902		1,698
Residential real estate	21,678		11,333
Commercial and financial	7,480		10,448
Consumer	202		426
Totals	$	72,546	$	26,697

Schedule of Risk Categories of Loans by Class of Loans

The following tables present the risk rating of loans by year of origination as of:

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	20,907	$	322,371	$	241,044	$	45,943	$	33,641	$	61,203	$	5,435	$	730,544
Special Mention	—		2,051		467		—		3,803		2		—		$	6,323
Substandard	—		—		9,407		—		—		11,555		—		$	20,962
Substandard Impaired	—		—		—		—		—		6		—		$	6
Doubtful	—		—		—		—		—		—		—		—
Total	$	20,907	$	324,422	$	250,918	$	45,943	$	37,444	$	72,766	$	5,435	$	757,835
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - owner occupied
Risk Ratings:
Pass	$	24,300	$	272,169	$	312,366	$	177,419	$	195,904	$	626,242	$	70	$	1,608,470
Special Mention	—		2		2,120		—		4,882		11,868		—		$	18,872
Substandard	—		691		2,336		7,105		2,604		9,552		—		$	22,288
Substandard Impaired	—		—		—		—		323		2,538		—		$	2,861
Doubtful	—		—		—		—		—		—		—		—
Total	$	24,300	$	272,862	$	316,822	$	184,524	$	203,713	$	650,200	$	70	$	1,652,491
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	86,801	$	861,624	$	673,294	$	331,702	$	421,185	$	952,125	$	145	$	3,326,876
Special Mention	—		—		1,727		11,228		7,839		16,534		—		$	37,328
Substandard	—		—		191		4,672		6,008		13,937		—		$	24,808
Substandard Impaired	—		—		—		15,526		1,849		5,664		—		$	23,039
Doubtful	—		—		—		—		—		—		—		—
Total	$	86,801	$	861,624	$	675,212	$	363,128	$	436,881	$	988,260	$	145	$	3,412,051
Gross Charge Offs	$	—	$	—	$	—	$	109	$	—	$	—	$	—	$	109
Residential real estate
Risk Ratings:
Pass	$	66,554	$	561,374	$	733,887	$	231,100	$	152,377	$	564,550	$	34,658	$	2,344,500
Special Mention	—		—		—		—		—		—		—		$	—
Substandard	—		—		—		—		—		—		—		$	—

	March 31, 2023
(In thousands)	2023		2022		2021		2020		2019		Prior		Revolving		Total
Substandard Impaired	—		75		566		155		612		8,418		68		$	9,894
Doubtful	—		—		—		—		—		—		—		—
Total	$	66,554	$	561,449	$	734,453	$	231,255	$	152,989	$	572,968	$	34,726	$	2,354,394
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	159	$	—	$	159
Commercial and financial
Risk Ratings:
Pass	$	58,767	$	482,995	$	462,755	$	170,255	$	104,402	$	281,433	$	13,797	$	1,574,404
Special Mention	—		5,230		15,682		3,530		4,156		3,779		—		$	32,377
Substandard	—		1,487		14,762		5,863		5,713		4,594		—		$	32,419
Substandard Impaired	—		55		59		3,973		1,077		4,682		—		$	9,846
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	58,767	$	489,767	$	493,258	$	183,686	$	115,348	$	295,862	$	13,797	$	1,650,485
Gross Charge Offs	$	—	$	—	$	56	$	1,334	$	204	$	848	$	200	$	2,642
Consumer
Risk Ratings:
Pass	$	9,269	$	100,987	$	91,072	$	28,799	$	34,956	$	32,088	$	3,442	$	300,613
Special Mention	—				—		—		—		—		—		$	—
Substandard	—		—		742		44		—		14		—		$	800
Substandard Impaired	—		39		—		13		—		275		—		$	327
Doubtful	—		—		—		—		—		—		—		—
Total	$	9,269	$	101,026	$	91,814	$	28,856	$	34,956	$	32,377	$	3,442	$	301,740
Gross Charge Offs	$	—	$	39	$	395	$	213	$	18	$	—	$	30	$	695
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	—	$	2,661	$	2,655	$	—	$	—	$	—	$	5,316
Substandard	—		—		14		69		—		—		—		$	83
Substandard Impaired	—		—		—		—		—		—		—		—
Total	$	—	$	—	$	2,675	$	2,724	$	—	$	—	$	—	$	5,399
Gross Charge Offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consolidated
Risk Ratings:
Pass	$	266,598	$	2,601,520	$	2,517,079	$	987,873	$	942,465	$	2,517,641	$	57,547	$	9,890,723
Special Mention	—		7,283		20,010		14,827		20,680		32,183		—		94,900
Substandard	—		2,178		27,438		17,684		14,325		39,652		—		101,360
Substandard Impaired	—		169		625		19,667		3,861		21,583		68		45,973
Doubtful	—		—		—		65		—		1,374		—		1,439
Total	$	266,598	$	2,611,150	$	2,565,152	$	1,040,116	$	981,331	$	2,612,433	$	57,615	$	10,134,395
Gross Charge Offs	$	—	$	39	$	451	$	1,656	$	222	$	1,007	$	230	$	3,605

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Construction and Land Development
Risk Ratings:
Pass	$	223,204	$	209,738	$	18,239	$	24,600	$	12,783	$	19,022	$	50,960	$	558,546
Special Mention	14,523		452		—		3,153		—		—		15		18,143
Substandard	—		9,227		—		—		959		—		—		10,186
Substandard Impaired	—		52		—		—		—		405		—		457
Doubtful	—		—		—		—		—		—		—		—
Total	$	237,727	$	219,469	$	18,239	$	27,753	$	13,742	$	19,427	$	50,975	$	587,332
Commercial real estate - owner occupied
Risk Ratings:

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Pass	$	215,453	$	251,638	$	180,081	$	185,286	$	121,568	$	467,963	$	32,253	$	1,454,242
Special Mention	694		—		2,363		4,403		2,548		2,869		—		12,877
Substandard	—		—		667		2,625		573		4,444		—		8,309
Substandard Impaired	—		—		—		311		294		2,269		—		2,874
Doubtful	—		—		—		—		—		—		—		—
Total	$	216,147	$	251,638	$	183,111	$	192,625	$	124,983	$	477,545	$	32,253	$	1,478,302
Commercial real estate - non-owner occupied
Risk Ratings:
Pass	$	593,364	$	530,462	$	231,693	$	331,173	$	228,077	$	575,656	$	35,326	$	2,525,751
Special Mention	—		16,257		735		5,438		—		4,975		—		27,405
Substandard	—		192		19,315		—		5,515		7,412		—		32,434
Substandard Impaired	—		—		1,044		1,849		30		1,261		—		4,184
Doubtful	—		—		—		—		—		—		—		—
Total	$	593,364	$	546,911	$	252,787	$	338,460	$	233,622	$	589,304	$	35,326	$	2,589,774
Residential real estate
Risk Ratings:
Pass	$	270,054	$	552,950	$	121,879	$	77,100	$	97,900	$	292,867	$	423,764	$	1,836,514
Special Mention	—		—		50		—		25		269		884		1,228
Substandard	—		—		—		—		—		343		85		428
Substandard Impaired	—		—		133		32		83		9,515		1,570		11,333
Doubtful	—		—		—		—		—		—		—		—
Total	$	270,054	$	552,950	$	122,062	$	77,132	$	98,008	$	302,994	$	426,303	$	1,849,503
Commercial and financial
Risk Ratings:
Pass	$	359,833	$	320,307	$	140,450	$	77,562	$	57,924	$	58,648	$	292,818	$	1,307,542
Special Mention	1,244		423		106		474		195		259		2,998		5,699
Substandard	—		67		942		6,304		1,603		1,683		13,114		23,713
Substandard Impaired	5		58		5,109		147		3,642		2,545		176		11,682
Doubtful	—		—		—		—		—		—		—		—
Total	$	361,082	$	320,855	$	146,607	$	84,487	$	63,364	$	63,135	$	309,106	$	1,348,636
Consumer
Risk Ratings:
Pass	$	93,012	$	77,889	$	27,982	$	28,772	$	11,690	$	16,480	$	29,725	$	285,550
Special Mention	—		—		—		250		2		134		30		416
Substandard	—		—		11		—		—		191		—		202
Substandard Impaired	—		—		18		55		36		103		207		419
Doubtful	—		—		—		—		—		—		—		—
Total	$	93,012	$	77,889	$	28,011	$	29,077	$	11,728	$	16,908	$	29,962	$	286,587
Paycheck Protection Program
Risk Ratings:
Pass	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Substandard	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Substandard Impaired	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Total	$	—	$	2,708	$	1,882	$	—	$	—	$	—	$	—	$	4,590
Consolidated
Risk Ratings:
Pass	$	1,754,920	$	1,945,692	$	720,324	$	724,493	$	529,942	$	1,430,636	$	864,846	$	7,972,735
Special Mention	16,461		17,132		3,254		13,718		2,770		8,506		3,927		65,768
Substandard	—		9,486		20,935		8,929		8,650		14,073		13,199		75,272
Substandard Impaired	5		110		6,304		2,394		4,085		16,098		1,953		30,949
Doubtful	—		—		—		—		—		—		—		—

	December 31, 2022
(In thousands)	2022		2021		2020		2019		2018		Prior		Revolving		Total
Total	$	1,771,386	$	1,972,420	$	750,817	$	749,534	$	545,447	$	1,469,313	$	883,925	$	8,144,724

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Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Schedule of Allowance for Credit Losses

Activity in the allowance for credit losses is summarized as follows:

	Three Months Ended March 31, 2023
(In thousands)	Beginning Balance		Initial Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		Ending Balance
Construction and land development	$	6,464	$	5	$	69	$	—	$	2	$	6,540
Commercial real estate - owner occupied	6,051		139		101		—		1		6,292
Commercial real estate - non-owner occupied	43,258		647		9,715		(109)		64		53,575
Residential real estate	29,605		400		9,898		(159)		150		39,894
Commercial and financial	15,648		11,983		6,414		(2,642)		190		31,593
Consumer	12,869		161		5,401		(695)		10		17,746
Totals	$	113,895	$	13,335	$	31,598	$	(3,605)	$	417	$	155,640

	Three Months Ended March 31, 2022
(In thousands)	Beginning Balance		Allowance on PCD Loans Acquired During the Period		Provision for Credit Losses		Charge- Offs		Recoveries		TDR Allowance Adjustments		Ending Balance
Construction and land development	$	2,751	$	—	$	(493)	$	—	$	10	$	—	$	2,268
Commercial real estate - owner occupied	8,579		—		715		—		—		—		9,294
Commercial real estate - non-owner occupied	36,617		31		7,274		—		—		—		43,922
Residential real estate	12,811		17		1,060		(1)		191		(3)		14,075
Commercial and financial	19,744		3		(1,628)		(569)		177		—		17,727
Consumer	2,813		—		(372)		(95)		208		(2)		2,552
Totals	$	83,315	$	51	$	6,556	$	(665)	$	586	$	(5)	$	89,838

Schedule of Loan Portfolio, Excluding PCI Loans and Related Allowance

The allowance for credit losses is composed of specific allowances for loans individually evaluated and general allowances for loans grouped into loan pools based on similar characteristics, which are collectively evaluated. The Company’s loan portfolio and related allowance at March 31, 2023 and December 31, 2022 are shown in the following tables:

	March 31, 2023
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	6	$	—	$	757,829	$	6,540	$	757,835	$	6,540
Commercial real estate - owner occupied	4,843		126		1,647,648		6,166		1,652,491		6,292
Commercial real estate - non-owner occupied	23,072		386		3,388,979		53,189		3,412,051		53,575
Residential real estate	12,986		177		2,341,408		39,717		2,354,394		39,894
Commercial and financial	39,355		14,798		1,616,529		16,795		1,655,884		31,593
Consumer	1,254		1,189		300,486		16,557		301,740		17,746
Totals	$	81,516	$	16,676	$	10,052,879	$	138,964	$	10,134,395	$	155,640

	December 31, 2022
	Individually Evaluated				Collectively Evaluated				Total
(In thousands)	Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance		Recorded Investment		Associated Allowance
Construction and land development	$	59	$	—	$	587,273	$	6,464	$	587,332	$	6,464
Commercial real estate - owner occupied	3,346		41		1,474,956		6,010		1,478,302		6,051
Commercial real estate - non-owner occupied	4,183		230		2,585,591		43,028		2,589,774		43,258
Residential real estate	11,333		275		1,838,170		29,330		1,849,503		29,605
Commercial and financial	12,167		2,639		1,341,059		13,009		1,353,226		15,648
Consumer	426		362		286,161		12,507		286,587		12,869
Totals	$	31,514	$	3,547	$	8,113,210	$	110,348	$	8,144,724	$	113,895

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

(In thousands)	Notional Amount		Fair Value		Balance Sheet Category
At March 31, 2023
Back-to-back swaps	$	430,380	$	25,241	Other Assets and Other Liabilities
Interest rate floors	300,000		6		Other Assets
At December 31, 2022
Back-to-back swaps	$	312,808	$	23,140	Other Assets and Other Liabilities
Interest rate floors	300,000		2		Other Assets

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Securities Sold Under Agreements to Repurchase (Tables)

3 Months Ended

Mar. 31, 2023

Broker-Dealer [Abstract]

Schedule of Securities Sold Under Agreements to Repurchase and Securities Pledged

Company securities pledged were as follows by collateral type and maturity as of: 

(In thousands)	March 31, 2023		December 31, 2022
Fair value of pledged securities - overnight and continuous:
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities	$	278,252	$	184,967

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets Measured on Recurring and Nonrecurring Basis

Under ASC Topic 820, fair value measurements for items measured at fair value on a recurring and nonrecurring basis at March 31, 2023 and December 31, 2022 included:

(In thousands)	Fair Value Measurements		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
At March 31, 2023
Financial Assets
Available-for-sale debt securities1	$	2,015,967	$	188	$	2,015,779	$	—
Derivative financial instruments2	25,247		—		25,247		—
Loans held for sale2	2,838		—		2,838		—
Loans3	55,245		—		10,277		44,968
Other real estate owned4	7,756		—		7,756		—
Equity securities5	13,683		13,683		—		—
Financial Liabilities
Derivative financial instruments2	$	25,241	$	—	$	25,241	$	—
At December 31, 2022
Financial Assets
Available-for-sale debt securities1	$	1,871,742	$	186	$	1,871,556	$	—
Derivative financial instruments2	23,142		—		23,142		—
Loans held for sale2	3,151		—		3,151		—
Loans3	8,513		—		1,183		7,330
Other real estate owned4	2,301		—		2,301		—
Equity securities5	8,220		8,220		—		—
Financial Liabilities
Derivative financial instruments2	$	23,142	$	—	$	23,142	$	—
1See “Note 3 – Securities” for further detail of fair value of individual investment categories.
2Recurring fair value basis determined using observable market data.
3See “Note 4 – Loans.” Nonrecurring fair value adjustments to collateral-dependent loans reflect full or partial write-downs that are based on current appraised values of the collateral in accordance with ASC Topic 310.
4Fair value is measured on a nonrecurring basis in accordance with ASC Topic 360.
5Investment in shares of mutual funds that invest primarily in CRA-qualified debt securities, reported at fair value in Other Assets. Recurring fair value basis is determined using market quotations.

Schedule of Aggregate Fair Value and Contractual Balance of Loans for Sale

The aggregate fair value and contractual balance of loans held for sale as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	March 31, 2023		December 31, 2022
Aggregate fair value	$	2,838	$	3,151
Contractual balance	2,765		3,071
Excess	73		80

Schedule of Carrying Amount and Fair Value of Other Significant Financial Instruments Not Measured on a Recurring Basis

The carrying amount and fair value of the Company’s other financial instruments that were not disclosed previously in the balance sheet and for which carrying amount is not fair value as of March 31, 2023 and December 31, 2022 is as follows:

(In thousands)	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2023
Financial Assets
Debt securities held-to-maturity1	$	737,911	$	—	$	618,776	$	—
Time deposits with other banks	3,236		—		3,000		—
Loans, net	9,923,510		—		—		9,764,669
Financial Liabilities
Deposit liabilities	12,309,701		—		—		12,297,399
Federal Home Loan Bank (“FHLB”) borrowings	385,000		—		—		382,523
Subordinated debt, net	105,804		—		97,985		—
December 31, 2022
Debt securities held-to-maturity1	$	747,408	$	—	$	617,741	$	—
Time deposits with other banks	3,236		—		2,989		—
Loans, net	8,022,316		—		—		7,845,375
Financial Liabilities
Deposit liabilities	9,981,595		—		—		9,976,125
Federal Home Loan Bank (“FHLB”) borrowings	150,000		—		—		149,450
Subordinated debt	84,533		—		82,226		—
1See “Note 3 – Securities” for further detail of recurring fair value basis of individual investment categories.

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Business Combinations (Tables)

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Purchase Price Calculation

(In thousands, except per share data)	January 31, 2023
Number of Professional common shares outstanding	14,358
Per share exchange ratio	0.8909
Number of shares of SBCF common stock issued	12,792
Multiplied by common stock price per share at January 31, 2023	$	32.11
Value of SBCF common stock issued	$	410,738
Cash paid for fractional shares	5
Fair value of Professional options converted	10,304
Total purchase price	$	421,047

(In thousands, except per share data)	October 7, 2022
Number of Apollo common shares outstanding	3,766
Per share exchange ratio	1.0065
Number of shares of SBCF common stock issued	3,791
Number of Apollo Bank minority interest shares outstanding	609
Per share exchange ratio	1.1957
Number of shares of SBCF common stock issued	728
Total number of shares of SBCF common stock issued	4,519
Multiplied by common stock price per share at October 7, 2022	$	30.83
Value of SBCF common stock issued	$	139,307
Cash paid for fractional shares	5
Fair value of Apollo options and warrants converted	6,530
Total purchase price	$	145,842

(In thousands, except per share data)	October 7, 2022
Number of Drummond common shares outstanding	99
Per share exchange ratio	51.9561
Number of shares of SBCF common stock issued	5,136
Multiplied by common stock price per share at October 7, 2022	$	30.83
Total purchase price	$	158,332

(In thousands, except per share data)	January 3, 2022
Number of BBFC common shares outstanding	1,112
Per share exchange ratio	0.7997
Number of shares of SBCF common stock issued	889
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	31,480
Fair value of BBFC options converted	497
Total purchase price	$	31,977

(In thousands, except per share data)	January 3, 2022
Number of Sabal Palm common shares outstanding	7,536
Per share exchange ratio	0.2203
Number of shares of SBCF common stock issued	1,660
Multiplied by common stock price per share on January 3, 2022	$	35.39
Value of SBCF common stock issued	$	58,762
Fair value of Sabal Palm options converted	3,336
Total purchase price	$	62,098

Schedule of Business Acquisitions

	Measured
(In thousands)	January 31, 2023
Assets:
Cash and cash equivalents	$	141,680
Investment securities	167,059
Loans	1,991,713
Bank premises and equipment	2,478
Core deposit intangibles	48,885
Goodwill	248,091
BOLI	55,071
Other Assets	74,232
Total Assets	$	2,729,209
Liabilities:
Deposits	$	2,119,341
Subordinated debt	21,141
Other Liabilities	167,680
Total Liabilities	$	2,308,162

	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	41,001
Investment securities	203,596
Loans	666,522
Bank premises and equipment	7,809
Core deposit intangibles	28,699
Goodwill	90,237
Other Assets	52,724
Total Assets	$	1,090,588
Liabilities:
Deposits	$	854,774
Other Liabilities	89,972
Total Liabilities	$	944,746

	Measured
(In thousands)	October 7, 2022
Assets:
Cash and cash equivalents	$	31,805
Investment securities	327,852
Loans	544,694
Bank premises and equipment	29,370
Core deposit and other intangibles	32,983
Goodwill	103,476
Other Assets	49,812
Total Assets	$	1,119,992
Liabilities:
Deposits	$	881,281
Other Liabilities	80,379
Total Liabilities	$	961,660

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	38,332
Investment securities	26,011
Loans	121,774
Bank premises and equipment	2,102
Core deposit intangibles	2,621
Goodwill	7,962
Total assets	$	198,802
Liabilities:
Deposits	166,326
Other liabilities	499
Total liabilities	$	166,825

(In thousands)	Measured January 3, 2022
Assets:
Cash	$	170,609
Time deposits with other banks	6,473
Loans	246,152
Bank premises and equipment	1,745
Core deposit intangibles	5,587
Goodwill	26,489
Other assets	5,189
Total assets	$	462,244
Liabilities:
Deposits	395,952
Other liabilities	4,194
Total liabilities	$	400,146

Schedule of Fair Value of Acquired Loans, Unpaid Principal Balance, Purchase Price and Allowance for Credit Losses

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 31, 2023
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	156,048	$	151,012
Commercial real estate - owner occupied	293,473		274,068
Commercial real estate - non-owner occupied	752,393		692,746
Residential real estate	509,305		483,611
Commercial and financial	392,396		356,172
Consumer	33,656		32,153
PPP Loans	1,951		1,951
Total acquired loans	$	2,139,222	$	1,991,713

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	74,126	$	70,654
Commercial real estate - owner occupied	131,093		121,600
Commercial real estate - non-owner occupied	374,673		340,561
Residential real estate	76,254		75,957
Commercial and financial	50,125		46,695
Consumer	11,307		11,055
Total acquired loans	$	717,578	$	666,522

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	October 7, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	155,041	$	140,401
Commercial real estate - owner occupied	112,768		106,152
Commercial real estate - non-owner occupied	26,520		24,744
Residential real estate	85,767		78,663
Commercial and financial	88,026		82,067
Consumer	118,880		112,667
Total acquired loans	$	587,002	$	544,694

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	8,677	$	8,414
Commercial real estate - owner occupied	45,403		44,564
Commercial real estate - non-owner occupied	53,065		52,034
Residential real estate	5,377		5,421
Commercial and financial	11,335		11,280
Consumer	59		61
Total acquired loans	$	123,916	$	121,774

The table below presents information with respect to the fair value and unpaid principal balance of acquired loans at the acquisition date.

	January 3, 2022
(In thousands)	Book Balance		Fair Value
Loans:
Construction and land development	$	9,256	$	9,009
Commercial real estate - owner occupied	57,690		56,591
Commercial real estate - non-owner occupied	89,153		87,280
Residential real estate	71,469		72,227
Commercial and financial	21,109		20,813
Consumer	233		232
Total acquired loans	$	248,910	$	246,152

Schedule Purchase Credit Deteriorated Loans Acquired

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 31, 2023
Book balance of loans at acquisition	$	155,031
Allowance for credit losses at acquisition	(13,335)
Non-credit related discount	(12,361)
Total PCD loans acquired	$	129,335

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	107,744
Allowance for credit losses at acquisition	(2,658)
Non-credit related discount	(14,191)
Total PCD loans acquired	$	90,895

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	October 7, 2022
Book balance of loans at acquisition	$	58,878
Allowance for credit losses at acquisition	(2,566)
Non-credit related discount	(4,607)
Total PCD loans acquired	$	51,705

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	714
Allowance for credit losses at acquisition	(15)
Non-credit related discount	(48)
Total PCD loans acquired	$	651

The table below presents the carrying amount of loans for which, at the date of acquisition, there was evidence of more than insignificant deterioration of credit quality since origination:

(In thousands)	January 3, 2022
Book balance of loans at acquisition	$	3,703
Allowance for credit losses at acquisition	(37)
Non-credit related discount	(663)
Total PCD loans acquired	$	3,003

Schedule of Pro-Forma Data

Pro-forma data as of March 31, 2023 and 2022 present information as if the acquisition of Professional occurred at the beginning of 2022. The pro-forma information is presented for illustrative purposes only and is not necessarily indicative of the results of operations that would have occurred if the transactions had been effected on the assumed dates.

	Three Months Ended
	March 31,
(In thousands, except per share data)	2023		2022
Net interest income	$	141,920	$	105,597
Net income available to common shareholders	36,090		12,809
EPS - basic	0.43		0.17
EPS - diluted	0.42		0.17

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Earnings per Share - Narrative (Details) - shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Antidilutive securities excluded from diluted earnings per share calculation (in shares)	161,251	0

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Earnings per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Basic earnings per share
Net income	$ 11,827	$ 20,588
Average common shares outstanding (in shares)	80,151	61,127
Net income per share (in dollars per share)	$ 0.15	$ 0.34
Diluted earnings per share
Average common shares outstanding (in shares)	80,151	61,127
Add: Dilutive effect of employee restricted stock and stock options (in shares)	566	577
Average diluted shares outstanding (in shares)	80,717	61,704
Net income per share (in dollars per share)	$ 0.15	$ 0.33

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Securities - Amortized Cost and Fair Value of Securities Available for Sale and Held for Investment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	$ 2,239,127	$ 2,119,303
Available for sale, gross unrealized gains	1,595	1,101
Available for sale, gross unrealized losses	(224,755)	(248,662)
Available for sale, fair value	2,015,967	1,871,742
Held-to-Maturity Debt Securities
Held to maturity, amortized cost, total	737,911	747,408
Held to maturity, gross unrealized gains	0	64
Held to maturity, gross unrealized losses	(119,135)	(129,731)
Held to maturity, fair value	618,776	617,741
U.S. Treasury securities and obligations of U.S. government agencies
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	43,448	13,813
Available for sale, gross unrealized gains	267	173
Available for sale, gross unrealized losses	(331)	(339)
Available for sale, fair value	43,384	13,647
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	1,657,149	1,561,197
Available for sale, gross unrealized gains	1,002	539
Available for sale, gross unrealized losses	(203,663)	(223,083)
Available for sale, fair value	1,454,488	1,338,653
Held-to-Maturity Debt Securities
Held to maturity, amortized cost, total		747,408
Held to maturity, gross unrealized gains		64
Held to maturity, gross unrealized losses		(129,731)
Held to maturity, fair value		617,741
Private mortgage-backed securities and collateralized mortgage obligations
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	175,629	179,148
Available for sale, gross unrealized gains	104	70
Available for sale, gross unrealized losses	(12,359)	(12,831)
Available for sale, fair value	163,374	166,387
Collateralized loan obligations
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	312,086	313,155
Available for sale, gross unrealized gains	0	0
Available for sale, gross unrealized losses	(6,609)	(10,251)
Available for sale, fair value	305,477	302,904
Obligations of state and political subdivisions
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	22,016	29,350
Available for sale, gross unrealized gains	38	122
Available for sale, gross unrealized losses	(1,383)	(1,731)
Available for sale, fair value	20,671	27,741
Other debt securities
Available-for-Sale Debt Securities
Available for sale, amortized cost, total	28,799	22,640
Available for sale, gross unrealized gains	184	197
Available for sale, gross unrealized losses	(410)	(427)
Available for sale, fair value	28,573	$ 22,410
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Held-to-Maturity Debt Securities
Held to maturity, amortized cost, total	737,911
Held to maturity, gross unrealized gains	0
Held to maturity, gross unrealized losses	(119,135)
Held to maturity, fair value	$ 618,776

XML

Securities - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Gross gains from sale of securities	$ 24,000
Gross losses from sale of securities	19,000
Unrealized losses on mortgage backed securities of government sponsored entities	224,755,000		$ 248,662,000
Fair value of securities in unrealized loss position	1,913,579,000		1,812,522,000
Held-to-maturity securities, allowance for credit loss	0
Federal Home Loan Bank and Federal Reserve stock recorded in other assets	78,900,000
Accrued interest receivable on AFS debt securities	7,800,000		7,000,000
Accrued interest receivable on HTM debt securities	$ 1,300,000		$ 1,300,000
Common stock, shares outstanding (in shares)	84,609,320		71,617,852
Visa | Common Class B
Debt Securities, Available-for-sale [Line Items]
Common stock, shares outstanding (in shares)	11,330
Visa | Common Class A
Debt Securities, Available-for-sale [Line Items]
Conversion rate of Class A stock for each share of Class B stock (in dollars per share)	$ 1.5991
Shares issued (in shares)	18,117
Asset Pledged as Collateral
Debt Securities, Available-for-sale [Line Items]
Fair value of debt securities pledged as collateral	$ 2,000,000,000
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Proceeds from sale of available-for-sale debt securities, including legacy securities	8,400,000
Unrealized losses on mortgage backed securities of government sponsored entities	410,000		$ 427,000
Fair value of securities in unrealized loss position	18,058,000		11,459,000
CRA - Qualified Mutual Fund
Debt Securities, Available-for-sale [Line Items]
Gross gains from sale of securities	100,000
Gross losses from sale of securities		$ (500,000)
Investment in mutual fund carried at fair value	13,700,000		8,200,000
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	203,663,000		223,083,000
Fair value of securities in unrealized loss position	1,406,849,000		1,314,171,000
Allowance for credit losses on AFS debt securities	0
Private mortgage-backed securities and collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	12,359,000		12,831,000
Fair value of securities in unrealized loss position	134,890,000		155,722,000
Allowance for credit losses on AFS debt securities	$ 0
Average credit support percentage	22.00%
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	$ 6,609,000		10,251,000
Fair value of securities in unrealized loss position	305,477,000		302,904,000
Allowance for credit losses on AFS debt securities	$ 0
Collateralized loan obligations | Standard & Poor's, AAA Rating
Debt Securities, Available-for-sale [Line Items]
Number of positions held, percentage of total	36.00%
Collateralized loan obligations | Standard & Poor's, AA Rating
Debt Securities, Available-for-sale [Line Items]
Number of positions held, percentage of total	25.00%
Obligations of state and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	$ 1,383,000		1,731,000
Fair value of securities in unrealized loss position	15,968,000		$ 24,229,000
Allowance for credit losses on AFS debt securities	0
Asset-back securities
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	300,000
Fair value of securities in unrealized loss position	10,800,000
Allowance for credit losses on AFS debt securities	0
Professional Holding Corp.
Debt Securities, Available-for-sale [Line Items]
Proceeds from sale of available-for-sale debt securities, including legacy securities	$ 22,100,000

XML

Securities - Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized Cost
Due in less than one year	$ 0
Due after one year through five years	0
Due after five years through ten years	0
Due after ten years	0
Held to maturity loans with maturity date, amortized cost, total	0
Held to maturity, amortized cost, total	737,911	$ 747,408
Fair Value
Due in less than one year	0
Due after one year through five years	0
Due after five years through ten years	0
Due after ten years	0
Held to maturity loans with maturity date, fair value, total	0
Held to maturity, fair value, total	618,776	617,741
Amortized Cost
Due in less than one year	1,708
Due after one year through five years	14,321
Due after five years through ten years	15,460
Due after ten years	33,975
Available for sale loans with maturity date, amortized cost, total	65,464
Available for sale, amortized cost, total	2,239,127	2,119,303
Fair Value
Due in less than one year	1,684
Due after one year through five years	14,270
Due after five years through ten years	15,377
Due after ten years	32,724
Available for sale loans with maturity date, fair value, total	64,055
Available for sale, fair value, total	2,015,967	1,871,742
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Amortized Cost
Loans without single maturity date	737,911
Held to maturity, amortized cost, total		747,408
Fair Value
Loans without single maturity date	618,776
Held to maturity, fair value, total		617,741
Amortized Cost
Loans without single maturity date	1,657,149
Available for sale, amortized cost, total	1,657,149	1,561,197
Fair Value
Loans without single maturity date	1,454,488
Available for sale, fair value, total	1,454,488	1,338,653
Private mortgage-backed securities and collateralized mortgage obligations
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	175,629
Available for sale, amortized cost, total	175,629	179,148
Fair Value
Loans without single maturity date	163,374
Available for sale, fair value, total	163,374	166,387
Collateralized loan obligations
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	312,086
Available for sale, amortized cost, total	312,086	313,155
Fair Value
Loans without single maturity date	305,477
Available for sale, fair value, total	305,477	302,904
Other debt securities
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	28,799
Available for sale, amortized cost, total	28,799	22,640
Fair Value
Loans without single maturity date	28,573
Available for sale, fair value, total	$ 28,573	$ 22,410

XML

Securities - Schedule of Unrealized Loss and Fair Value on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value
Less Than 12 Months	$ 695,385	$ 1,058,560
12 Months or Longer	1,218,194	753,962
Total	1,913,579	1,812,522
Unrealized Losses
Less Than 12 Months	(29,789)	(73,965)
12 Months or Longer	(194,966)	(174,697)
Total	(224,755)	(248,662)
U.S. Treasury securities and obligations of U.S. government agencies
Fair Value
Less Than 12 Months	31,886	3,788
12 Months or Longer	451	249
Total	32,337	4,037
Unrealized Losses
Less Than 12 Months	(316)	(328)
12 Months or Longer	(15)	(11)
Total	(331)	(339)
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair Value
Less Than 12 Months	499,606	646,651
12 Months or Longer	907,243	667,520
Total	1,406,849	1,314,171
Unrealized Losses
Less Than 12 Months	(23,670)	(54,956)
12 Months or Longer	(179,993)	(168,127)
Total	(203,663)	(223,083)
Private mortgage-backed securities and collateralized mortgage obligations
Fair Value
Less Than 12 Months	76,503	130,488
12 Months or Longer	58,387	25,234
Total	134,890	155,722
Unrealized Losses
Less Than 12 Months	(3,870)	(8,255)
12 Months or Longer	(8,489)	(4,576)
Total	(12,359)	(12,831)
Collateralized loan obligations
Fair Value
Less Than 12 Months	58,915	242,370
12 Months or Longer	246,562	60,534
Total	305,477	302,904
Unrealized Losses
Less Than 12 Months	(1,395)	(8,343)
12 Months or Longer	(5,214)	(1,908)
Total	(6,609)	(10,251)
Obligations of state and political subdivisions
Fair Value
Less Than 12 Months	10,417	23,804
12 Months or Longer	5,551	425
Total	15,968	24,229
Unrealized Losses
Less Than 12 Months	(128)	(1,656)
12 Months or Longer	(1,255)	(75)
Total	(1,383)	(1,731)
Other debt securities
Fair Value
Less Than 12 Months	18,058	11,459
12 Months or Longer	0	0
Total	18,058	11,459
Unrealized Losses
Less Than 12 Months	(410)	(427)
12 Months or Longer	0	0
Total	$ (410)	$ (427)

XML

Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 10,134,395	$ 8,144,724
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	757,835	587,332
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,652,491	1,478,302
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,412,051	2,589,774
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,354,394	1,849,503
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,650,485	1,348,636
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	301,740	286,587
PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	5,399	4,590
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,780,684	1,965,749
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	370,353	201,333
Acquired Non-PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	613,636	451,202
Acquired Non-PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,476,543	767,138
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	739,396	271,378
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	447,593	182,124
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	128,865	89,458
Acquired Non-PCD Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,298	3,116
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	305,258	234,782
PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	28,522	21,100
PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	40,376	31,946
PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	147,669	127,225
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	25,973	19,482
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	58,931	15,238
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,787	19,791
PCD Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	6,048,453	5,944,193
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	358,960	364,900
Portfolio Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	998,479	995,154
Portfolio Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,787,839	1,695,411
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,589,025	1,558,643
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,143,961	1,151,273
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	169,088	177,338
Portfolio Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,101	$ 1,474

XML

Loans - Narrative (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) contract	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Net deferred costs	$ 35,700		$ 35,100
Accrued interest receivable	34,400		28,200
Interest income from securities with no related allowance	$ 100	$ 800
Number of loans under trouble debt restructuring | contract	1
Modified in trouble borrower modifications	$ 29
Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Remaining fair value adjustment for loans acquired	$ 216,000		$ 97,700
Percentage of fair value adjustment for loans acquired	5.00%		4.30%

XML

Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans	$ 10,134,395	$ 8,144,724
Nonaccrual	50,787	28,843
Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,780,684	1,965,749
Nonaccrual	5,220	2,630
PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	305,258	234,782
Nonaccrual	15,824	10,563
Current
Financing Receivable, Past Due [Line Items]
Loans	10,065,607	8,104,803
Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,766,746	1,958,490
Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	287,027	222,282
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	14,343	6,929
Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	6,814	3,104
Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,276	1,038
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,709	2,301
Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,038	1,000
Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,131	359
Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	949	1,848
Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	866	525
Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	540
Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	757,835	587,332
Nonaccrual	8	615
Construction and land development | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	370,353	201,333
Nonaccrual	0	70
Construction and land development | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	28,522	21,100
Nonaccrual	2	420
Construction and land development | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	370,305	201,263
Construction and land development | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	28,150	20,680
Construction and land development | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	370	0
Construction and land development | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	48	0
Construction and land development | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,652,491	1,478,302
Nonaccrual	4,829	2,597
Commercial real estate - owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	613,636	451,202
Nonaccrual	0	0
Commercial real estate - owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	40,376	31,946
Nonaccrual	3,773	1,383
Commercial real estate - owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	613,636	450,109
Commercial real estate - owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	36,324	30,517
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	796
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	23
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	297
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	279	23
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	3,412,051	2,589,774
Nonaccrual	23,256	4,184
Commercial real estate - non-owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,476,543	767,138
Nonaccrual	3,165	1,343
Commercial real estate - non-owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	147,669	127,225
Nonaccrual	5,511	3,110
Commercial real estate - non-owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,472,452	765,633
Commercial real estate - non-owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	142,111	124,115
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	926	162
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	47	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	2,354,394	1,849,503
Nonaccrual	9,989	9,109
Residential real estate | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	739,396	271,378
Nonaccrual	1,364	586
Residential real estate | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	25,973	19,482
Nonaccrual	1,328	1,587
Residential real estate | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	736,548	270,215
Residential real estate | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	23,426	17,885
Residential real estate | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,296	577
Residential real estate | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	504	10
Residential real estate | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	188	0
Residential real estate | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	715	0
Residential real estate | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,650,485	1,348,636
Nonaccrual	12,313	11,615
Commercial and financial | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	447,593	182,124
Nonaccrual	691	410
Commercial and financial | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	58,931	15,238
Nonaccrual	5,008	4,033
Commercial and financial | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	446,684	180,837
Commercial and financial | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	53,643	11,201
Commercial and financial | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	218	790
Commercial and financial | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	280	4
Commercial and financial | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	87
Commercial and financial | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer
Financing Receivable, Past Due [Line Items]
Loans	301,740	286,587
Nonaccrual	392	723
Consumer | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	128,865	89,458
Nonaccrual	0	221
Consumer | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,787	19,791
Nonaccrual	202	30
Consumer | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	122,844	87,317
Consumer | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,373	17,884
Consumer | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,374	779
Consumer | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	122	1,001
Consumer | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	781	616
Consumer | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	90	336
Consumer | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	866	525
Consumer | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	540
PPP Loans
Financing Receivable, Past Due [Line Items]
Loans	5,399	4,590
PPP Loans | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,298	3,116
Nonaccrual	0	0
PPP Loans | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
PPP Loans | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,277	3,116
PPP Loans | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
PPP Loans | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	21	0
PPP Loans | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans
Financing Receivable, Past Due [Line Items]
Loans	6,048,453	5,944,193
Nonaccrual	29,743	15,650
Portfolio Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	6,011,834	5,924,031
Portfolio Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	6,253	2,787
Portfolio Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	540	942
Portfolio Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	83	783
Portfolio Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	358,960	364,900
Nonaccrual	6	59
Portfolio Loans | Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Loans	358,954	364,841
Portfolio Loans | Construction and land development | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	998,479	995,154
Nonaccrual	1,055	957
Portfolio Loans | Commercial real estate - owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	997,282	993,690
Portfolio Loans | Commercial real estate - owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	142	0
Portfolio Loans | Commercial real estate - owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	67
Portfolio Loans | Commercial real estate - owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	440
Portfolio Loans | Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,787,839	1,695,411
Nonaccrual	14,581	30
Portfolio Loans | Commercial real estate - non-owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,772,837	1,695,381
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	421	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	1,589,025	1,558,643
Nonaccrual	7,298	7,284
Portfolio Loans | Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,578,686	1,550,040
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,972	1,172
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	69	147
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,143,961	1,151,273
Nonaccrual	6,614	7,229
Portfolio Loans | Commercial and financial | Current
Financing Receivable, Past Due [Line Items]
Loans	1,134,951	1,142,536
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,396	1,032
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	476
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans	169,088	177,338
Nonaccrual	189	91
Portfolio Loans | Consumer | Current
Financing Receivable, Past Due [Line Items]
Loans	168,106	176,444
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	743	550
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	50	252
Portfolio Loans | Consumer | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	1
Portfolio Loans | PPP Loans
Financing Receivable, Past Due [Line Items]
Loans	1,101	1,474
Nonaccrual	0	0
Portfolio Loans | PPP Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	1,018	1,099
Portfolio Loans | PPP Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	33
Portfolio Loans | PPP Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | PPP Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	$ 83	$ 342

XML

Loans - Schedule of Nonaccrual Loans by Loan Category (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	$ 10,289	$ 17,755
Nonaccrual Loans With an Allowance	40,498	11,088
Total Nonaccrual Loans	50,787	28,843
Allowance for Credit Losses	3,813	2,905
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	6	615
Nonaccrual Loans With an Allowance	2	0
Total Nonaccrual Loans	8	615
Allowance for Credit Losses	0	0
Commercial real estate - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	2,078	957
Nonaccrual Loans With an Allowance	2,751	1,641
Total Nonaccrual Loans	4,829	2,597
Allowance for Credit Losses	126	41
Commercial real estate - non-owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	982	3,347
Nonaccrual Loans With an Allowance	22,274	837
Total Nonaccrual Loans	23,256	4,184
Allowance for Credit Losses	585	230
Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	2,966	8,072
Nonaccrual Loans With an Allowance	7,023	1,036
Total Nonaccrual Loans	9,989	9,109
Allowance for Credit Losses	135	58
Commercial and financial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	4,220	4,724
Nonaccrual Loans With an Allowance	8,093	6,891
Total Nonaccrual Loans	12,313	11,615
Allowance for Credit Losses	2,677	2,319
Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans With No Related Allowance	37	40
Nonaccrual Loans With an Allowance	355	683
Total Nonaccrual Loans	392	723
Allowance for Credit Losses	$ 290	$ 257

XML

Loans - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 72,546	$ 26,697
Construction and land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	6	59
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	5,278	2,733
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	37,902	1,698
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	21,678	11,333
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	7,480	10,448
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total collateral dependent loans	$ 202	$ 426

XML

Loans - Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 266,598		$ 1,771,386
One year prior to current fiscal year	2,611,150		1,972,420
Two years prior to current fiscal year	2,565,152		750,817
Three years prior to current fiscal year	1,040,116		749,534
Four years prior to current fiscal year	981,331		545,447
Prior	2,612,433		1,469,313
Revolving	57,615		883,925
Total	10,134,395		8,144,724
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	39
Two years prior to current fiscal year, Charge Offs	451
Three years prior to current fiscal year, Charge Offs	1,656
Four years prior to current fiscal year, Charge Offs	222
Prior, Charge Offs	1,007
Revolving, Charge Offs	230
Total, Charge Offs	3,605	$ 665
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	266,598		1,754,920
One year prior to current fiscal year	2,601,520		1,945,692
Two years prior to current fiscal year	2,517,079		720,324
Three years prior to current fiscal year	987,873		724,493
Four years prior to current fiscal year	942,465		529,942
Prior	2,517,641		1,430,636
Revolving	57,547		864,846
Total	9,890,723		7,972,735
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		16,461
One year prior to current fiscal year	7,283		17,132
Two years prior to current fiscal year	20,010		3,254
Three years prior to current fiscal year	14,827		13,718
Four years prior to current fiscal year	20,680		2,770
Prior	32,183		8,506
Revolving	0		3,927
Total	94,900		65,768
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	2,178		9,486
Two years prior to current fiscal year	27,438		20,935
Three years prior to current fiscal year	17,684		8,929
Four years prior to current fiscal year	14,325		8,650
Prior	39,652		14,073
Revolving	0		13,199
Total	101,360		75,272
Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		5
One year prior to current fiscal year	169		110
Two years prior to current fiscal year	625		6,304
Three years prior to current fiscal year	19,667		2,394
Four years prior to current fiscal year	3,861		4,085
Prior	21,583		16,098
Revolving	68		1,953
Total	45,973		30,949
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	65		0
Four years prior to current fiscal year	0		0
Prior	1,374		0
Revolving	0		0
Total	1,439		0
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	20,907		237,727
One year prior to current fiscal year	324,422		219,469
Two years prior to current fiscal year	250,918		18,239
Three years prior to current fiscal year	45,943		27,753
Four years prior to current fiscal year	37,444		13,742
Prior	72,766		19,427
Revolving	5,435		50,975
Total	757,835		587,332
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	0
Three years prior to current fiscal year, Charge Offs	0
Four years prior to current fiscal year, Charge Offs	0
Prior, Charge Offs	0
Revolving, Charge Offs	0
Total, Charge Offs	0	0
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	20,907		223,204
One year prior to current fiscal year	322,371		209,738
Two years prior to current fiscal year	241,044		18,239
Three years prior to current fiscal year	45,943		24,600
Four years prior to current fiscal year	33,641		12,783
Prior	61,203		19,022
Revolving	5,435		50,960
Total	730,544		558,546
Construction and land development | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		14,523
One year prior to current fiscal year	2,051		452
Two years prior to current fiscal year	467		0
Three years prior to current fiscal year	0		3,153
Four years prior to current fiscal year	3,803		0
Prior	2		0
Revolving	0		15
Total	6,323		18,143
Construction and land development | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		9,227
Two years prior to current fiscal year	9,407		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		959
Prior	11,555		0
Revolving	0		0
Total	20,962		10,186
Construction and land development | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		52
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	6		405
Revolving	0		0
Total	6		457
Construction and land development | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Commercial real estate - owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	24,300		216,147
One year prior to current fiscal year	272,862		251,638
Two years prior to current fiscal year	316,822		183,111
Three years prior to current fiscal year	184,524		192,625
Four years prior to current fiscal year	203,713		124,983
Prior	650,200		477,545
Revolving	70		32,253
Total	1,652,491		1,478,302
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	0
Three years prior to current fiscal year, Charge Offs	0
Four years prior to current fiscal year, Charge Offs	0
Prior, Charge Offs	0
Revolving, Charge Offs	0
Total, Charge Offs	0	0
Commercial real estate - owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	24,300		215,453
One year prior to current fiscal year	272,169		251,638
Two years prior to current fiscal year	312,366		180,081
Three years prior to current fiscal year	177,419		185,286
Four years prior to current fiscal year	195,904		121,568
Prior	626,242		467,963
Revolving	70		32,253
Total	1,608,470		1,454,242
Commercial real estate - owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		694
One year prior to current fiscal year	2		0
Two years prior to current fiscal year	2,120		2,363
Three years prior to current fiscal year	0		4,403
Four years prior to current fiscal year	4,882		2,548
Prior	11,868		2,869
Revolving	0		0
Total	18,872		12,877
Commercial real estate - owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	691		0
Two years prior to current fiscal year	2,336		667
Three years prior to current fiscal year	7,105		2,625
Four years prior to current fiscal year	2,604		573
Prior	9,552		4,444
Revolving	0		0
Total	22,288		8,309
Commercial real estate - owner occupied | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		311
Four years prior to current fiscal year	323		294
Prior	2,538		2,269
Revolving	0		0
Total	2,861		2,874
Commercial real estate - owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Commercial real estate - non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	86,801		593,364
One year prior to current fiscal year	861,624		546,911
Two years prior to current fiscal year	675,212		252,787
Three years prior to current fiscal year	363,128		338,460
Four years prior to current fiscal year	436,881		233,622
Prior	988,260		589,304
Revolving	145		35,326
Total	3,412,051		2,589,774
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	0
Three years prior to current fiscal year, Charge Offs	109
Four years prior to current fiscal year, Charge Offs	0
Prior, Charge Offs	0
Revolving, Charge Offs	0
Total, Charge Offs	109	0
Commercial real estate - non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	86,801		593,364
One year prior to current fiscal year	861,624		530,462
Two years prior to current fiscal year	673,294		231,693
Three years prior to current fiscal year	331,702		331,173
Four years prior to current fiscal year	421,185		228,077
Prior	952,125		575,656
Revolving	145		35,326
Total	3,326,876		2,525,751
Commercial real estate - non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		16,257
Two years prior to current fiscal year	1,727		735
Three years prior to current fiscal year	11,228		5,438
Four years prior to current fiscal year	7,839		0
Prior	16,534		4,975
Revolving	0		0
Total	37,328		27,405
Commercial real estate - non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		192
Two years prior to current fiscal year	191		19,315
Three years prior to current fiscal year	4,672		0
Four years prior to current fiscal year	6,008		5,515
Prior	13,937		7,412
Revolving	0		0
Total	24,808		32,434
Commercial real estate - non-owner occupied | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		1,044
Three years prior to current fiscal year	15,526		1,849
Four years prior to current fiscal year	1,849		30
Prior	5,664		1,261
Revolving	0		0
Total	23,039		4,184
Commercial real estate - non-owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	66,554		270,054
One year prior to current fiscal year	561,449		552,950
Two years prior to current fiscal year	734,453		122,062
Three years prior to current fiscal year	231,255		77,132
Four years prior to current fiscal year	152,989		98,008
Prior	572,968		302,994
Revolving	34,726		426,303
Total	2,354,394		1,849,503
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	0
Three years prior to current fiscal year, Charge Offs	0
Four years prior to current fiscal year, Charge Offs	0
Prior, Charge Offs	159
Revolving, Charge Offs	0
Total, Charge Offs	159	1
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	66,554		270,054
One year prior to current fiscal year	561,374		552,950
Two years prior to current fiscal year	733,887		121,879
Three years prior to current fiscal year	231,100		77,100
Four years prior to current fiscal year	152,377		97,900
Prior	564,550		292,867
Revolving	34,658		423,764
Total	2,344,500		1,836,514
Residential real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		50
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		25
Prior	0		269
Revolving	0		884
Total	0		1,228
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		343
Revolving	0		85
Total	0		428
Residential real estate | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	75		0
Two years prior to current fiscal year	566		133
Three years prior to current fiscal year	155		32
Four years prior to current fiscal year	612		83
Prior	8,418		9,515
Revolving	68		1,570
Total	9,894		11,333
Residential real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Commercial and financial
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	58,767		361,082
One year prior to current fiscal year	489,767		320,855
Two years prior to current fiscal year	493,258		146,607
Three years prior to current fiscal year	183,686		84,487
Four years prior to current fiscal year	115,348		63,364
Prior	295,862		63,135
Revolving	13,797		309,106
Total	1,650,485		1,348,636
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	56
Three years prior to current fiscal year, Charge Offs	1,334
Four years prior to current fiscal year, Charge Offs	204
Prior, Charge Offs	848
Revolving, Charge Offs	200
Total, Charge Offs	2,642	569
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	58,767		359,833
One year prior to current fiscal year	482,995		320,307
Two years prior to current fiscal year	462,755		140,450
Three years prior to current fiscal year	170,255		77,562
Four years prior to current fiscal year	104,402		57,924
Prior	281,433		58,648
Revolving	13,797		292,818
Total	1,574,404		1,307,542
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		1,244
One year prior to current fiscal year	5,230		423
Two years prior to current fiscal year	15,682		106
Three years prior to current fiscal year	3,530		474
Four years prior to current fiscal year	4,156		195
Prior	3,779		259
Revolving	0		2,998
Total	32,377		5,699
Commercial and financial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	1,487		67
Two years prior to current fiscal year	14,762		942
Three years prior to current fiscal year	5,863		6,304
Four years prior to current fiscal year	5,713		1,603
Prior	4,594		1,683
Revolving	0		13,114
Total	32,419		23,713
Commercial and financial | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		5
One year prior to current fiscal year	55		58
Two years prior to current fiscal year	59		5,109
Three years prior to current fiscal year	3,973		147
Four years prior to current fiscal year	1,077		3,642
Prior	4,682		2,545
Revolving	0		176
Total	9,846		11,682
Commercial and financial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	65		0
Four years prior to current fiscal year	0		0
Prior	1,374		0
Revolving	0		0
Total	1,439		0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	9,269		93,012
One year prior to current fiscal year	101,026		77,889
Two years prior to current fiscal year	91,814		28,011
Three years prior to current fiscal year	28,856		29,077
Four years prior to current fiscal year	34,956		11,728
Prior	32,377		16,908
Revolving	3,442		29,962
Total	301,740		286,587
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	39
Two years prior to current fiscal year, Charge Offs	395
Three years prior to current fiscal year, Charge Offs	213
Four years prior to current fiscal year, Charge Offs	18
Prior, Charge Offs	0
Revolving, Charge Offs	30
Total, Charge Offs	695	$ 95
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	9,269		93,012
One year prior to current fiscal year	100,987		77,889
Two years prior to current fiscal year	91,072		27,982
Three years prior to current fiscal year	28,799		28,772
Four years prior to current fiscal year	34,956		11,690
Prior	32,088		16,480
Revolving	3,442		29,725
Total	300,613		285,550
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year			0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		250
Four years prior to current fiscal year	0		2
Prior	0		134
Revolving	0		30
Total	0		416
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	742		11
Three years prior to current fiscal year	44		0
Four years prior to current fiscal year	0		0
Prior	14		191
Revolving	0		0
Total	800		202
Consumer | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	39		0
Two years prior to current fiscal year	0		18
Three years prior to current fiscal year	13		55
Four years prior to current fiscal year	0		36
Prior	275		103
Revolving	0		207
Total	327		419
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	0		0
PPP Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		2,708
Two years prior to current fiscal year	2,675		1,882
Three years prior to current fiscal year	2,724		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	5,399		4,590
Current fiscal year, Charge Offs	0
One year prior to current fiscal year, Charge Offs	0
Two years prior to current fiscal year, Charge Offs	0
Three years prior to current fiscal year, Charge Offs	0
Four years prior to current fiscal year, Charge Offs	0
Prior, Charge Offs	0
Revolving, Charge Offs	0
Total, Charge Offs	0
PPP Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		2,708
Two years prior to current fiscal year	2,661		1,882
Three years prior to current fiscal year	2,655		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	5,316		4,590
PPP Loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	14		0
Three years prior to current fiscal year	69		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	83		0
PPP Loans | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0
One year prior to current fiscal year	0		0
Two years prior to current fiscal year	0		0
Three years prior to current fiscal year	0		0
Four years prior to current fiscal year	0		0
Prior	0		0
Revolving	0		0
Total	$ 0		$ 0

XML

Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 113,895	$ 83,315
Allowance on PCD Loans Acquired During the Period	13,335	51
Provision for Credit Losses	31,598	6,556
Charge- Offs	(3,605)	(665)
Recoveries	417	586
TDR Allowance Adjustments		(5)
Ending Balance	155,640	89,838
Construction and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,464	2,751
Allowance on PCD Loans Acquired During the Period	5	0
Provision for Credit Losses	69	(493)
Charge- Offs	0	0
Recoveries	2	10
TDR Allowance Adjustments		0
Ending Balance	6,540	2,268
Commercial real estate - owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,051	8,579
Allowance on PCD Loans Acquired During the Period	139	0
Provision for Credit Losses	101	715
Charge- Offs	0	0
Recoveries	1	0
TDR Allowance Adjustments		0
Ending Balance	6,292	9,294
Commercial real estate - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	43,258	36,617
Allowance on PCD Loans Acquired During the Period	647	31
Provision for Credit Losses	9,715	7,274
Charge- Offs	(109)	0
Recoveries	64	0
TDR Allowance Adjustments		0
Ending Balance	53,575	43,922
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	29,605	12,811
Allowance on PCD Loans Acquired During the Period	400	17
Provision for Credit Losses	9,898	1,060
Charge- Offs	(159)	(1)
Recoveries	150	191
TDR Allowance Adjustments		(3)
Ending Balance	39,894	14,075
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	15,648	19,744
Allowance on PCD Loans Acquired During the Period	11,983	3
Provision for Credit Losses	6,414	(1,628)
Charge- Offs	(2,642)	(569)
Recoveries	190	177
TDR Allowance Adjustments		0
Ending Balance	31,593	17,727
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	12,869	2,813
Allowance on PCD Loans Acquired During the Period	161	0
Provision for Credit Losses	5,401	(372)
Charge- Offs	(695)	(95)
Recoveries	10	208
TDR Allowance Adjustments		(2)
Ending Balance	$ 17,746	$ 2,552

XML

Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Jan. 31, 2023
Commercial and financial
Financing Receivable, Allowance for Credit Loss [Line Items]
Initial Allowance on PCD Loans Acquired During the Period	$ 12,000
Professional Holding Corp.
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans acquired in acquisition		$ 1,991,713

XML

Allowance for Credit Losses - Schedule of Loan Portfolio, Excluding PCI Loans and Related Allowance (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Recorded Investment
Individually Evaluated	$ 81,516	$ 31,514
Collectively Evaluated	10,052,879	8,113,210
Total	10,134,395	8,144,724
Associated Allowance
Individually Evaluated	16,676	3,547
Collectively Evaluated	138,964	110,348
Total	155,640	113,895	$ 89,838	$ 83,315
Construction and land development
Recorded Investment
Individually Evaluated	6	59
Collectively Evaluated	757,829	587,273
Total	757,835	587,332
Associated Allowance
Individually Evaluated	0	0
Collectively Evaluated	6,540	6,464
Total	6,540	6,464	2,268	2,751
Commercial real estate - owner occupied
Recorded Investment
Individually Evaluated	4,843	3,346
Collectively Evaluated	1,647,648	1,474,956
Total	1,652,491	1,478,302
Associated Allowance
Individually Evaluated	126	41
Collectively Evaluated	6,166	6,010
Total	6,292	6,051	9,294	8,579
Commercial real estate - non-owner occupied
Recorded Investment
Individually Evaluated	23,072	4,183
Collectively Evaluated	3,388,979	2,585,591
Total	3,412,051	2,589,774
Associated Allowance
Individually Evaluated	386	230
Collectively Evaluated	53,189	43,028
Total	53,575	43,258	43,922	36,617
Residential real estate
Recorded Investment
Individually Evaluated	12,986	11,333
Collectively Evaluated	2,341,408	1,838,170
Total	2,354,394	1,849,503
Associated Allowance
Individually Evaluated	177	275
Collectively Evaluated	39,717	29,330
Total	39,894	29,605	14,075	12,811
Commercial and financial
Recorded Investment
Individually Evaluated	39,355	12,167
Collectively Evaluated	1,616,529	1,341,059
Total	1,655,884	1,353,226
Associated Allowance
Individually Evaluated	14,798	2,639
Collectively Evaluated	16,795	13,009
Total	31,593	15,648
Consumer
Recorded Investment
Individually Evaluated	1,254	426
Collectively Evaluated	300,486	286,161
Total	301,740	286,587
Associated Allowance
Individually Evaluated	1,189	362
Collectively Evaluated	16,557	12,507
Total	$ 17,746	$ 12,869	$ 2,552	$ 2,813

XML

Derivatives - Narrative (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) contract	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Derivative [Line Items]
Loss recognized in OCI		$ (200)
Reclassification from AOCI into income	$ 100	$ 100
Back-to-Back Swap
Derivative [Line Items]
Notional amount	$ 430,380		$ 312,808
Weighted average maturity (in years)	7 years 1 month 6 days		6 years 8 months 12 days
Back-to-Back Swap | Other Assets and Other Liabilities
Derivative [Line Items]
Fair value of derivative assets and liabilities	$ 25,241		$ 23,140
Interest Rate Floor
Derivative [Line Items]
Notional amount	$ 300,000		300,000
Number of derivative contracts | contract	2
Amount expected to be reclassified from accumulated other comprehensive income into interest income	$ 400
Interest Rate Floor | Other Assets
Derivative [Line Items]
Fair value of derivative assets and liabilities	6		2
Fair value of derivative assets	6		$ 2
Interest Rate Floor, October 2023 Maturity
Derivative [Line Items]
Notional amount	150,000
Interest Rate Floor, November 2023 Maturity
Derivative [Line Items]
Notional amount	$ 150,000

XML

Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Back-to-back swaps
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	$ 430,380	$ 312,808
Back-to-back swaps | Other Assets and Other Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of derivative assets and liabilities	25,241	23,140
Interest rate floors
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	300,000	300,000
Interest rate floors | Other Assets
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of derivative assets and liabilities	$ 6	$ 2

XML

Securities Sold Under Agreements to Repurchase - Schedule of Securities Sold Under Agreements to Repurchase and Securities Pledged (Details) - Asset Pledged as Collateral - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair value of pledged securities - overnight and continuous:
Fair value of debt securities pledged as collateral	$ 2,000,000
Fair Value | Repurchase Agreement | Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Fair value of pledged securities - overnight and continuous:
Fair value of debt securities pledged as collateral	$ 278,252	$ 184,967

XML

Equity Capital (Details)	Mar. 31, 2023
Equity [Abstract]
Regulatory threshold percentage for well-capitalized institutions	0.065

XML

Fair Value - Fair Value of Assets Measured on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial Assets
Available-for-sale debt securities	$ 2,015,967	$ 1,871,742
Loans held for sale	2,838	3,151
Other real estate owned	7,756	2,301
Fair Value, Measurements, Recurring
Financial Assets
Available-for-sale debt securities	2,015,967	1,871,742
Derivative financial instruments	25,247	23,142
Loans held for sale	2,838	3,151
Equity securities	13,683	8,220
Financial Liabilities
Derivative financial instruments	25,241	23,142
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Available-for-sale debt securities	188	186
Derivative financial instruments	0	0
Loans held for sale	0	0
Equity securities	13,683	8,220
Financial Liabilities
Derivative financial instruments	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Financial Assets
Available-for-sale debt securities	2,015,779	1,871,556
Derivative financial instruments	25,247	23,142
Loans held for sale	2,838	3,151
Equity securities	0	0
Financial Liabilities
Derivative financial instruments	25,241	23,142
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Financial Assets
Available-for-sale debt securities	0	0
Derivative financial instruments	0	0
Loans held for sale	0	0
Equity securities	0	0
Financial Liabilities
Derivative financial instruments	0	0
Fair Value, Measurements, Nonrecurring
Financial Assets
Loans	55,245	8,513
Other real estate owned	7,756	2,301
Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Loans	0	0
Other real estate owned	0	0
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2)
Financial Assets
Loans	10,277	1,183
Other real estate owned	7,756	2,301
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Financial Assets
Loans	44,968	7,330
Other real estate owned	$ 0	$ 0

XML

Fair Value - Aggregate Fair Value and Contractual Balance of Loans for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of loans held for sale	$ 2,838	$ 3,151
Excess	73	80
Contractual Balance
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Value of loans held for sale	$ 2,765	$ 3,071

XML

Fair Value - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Average capitalization rate	6.70%
Allowance for credit losses	$ 155,640	$ 113,895	$ 89,838	$ 83,315
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of impaired loans	55,245	8,513
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of impaired loans	44,968	7,330
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring | Loans Receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Additions	39,100
Paydowns and charge-offs	1,600
Collateral-Dependent Real Estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of impaired loans	71,900	10,200
Allowance for credit losses	$ 16,700	$ 2,900

XML

Fair Value - Carrying Amount and Fair Value of Other Significant Financial Instruments Not Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial Assets
Debt securities held-to-maturity	$ 737,911	$ 747,408
Time deposits with other banks	3,236	3,236
Loans, net	9,978,755	8,030,829
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Debt securities held-to-maturity	0	0
Time deposits with other banks	0	0
Loans, net	0	0
Financial Liabilities
Deposit liabilities	0	0
Federal Home Loan Bank (“FHLB”) borrowings	0	0
Subordinated debt, net	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Financial Assets
Debt securities held-to-maturity	618,776	617,741
Time deposits with other banks	3,000	2,989
Loans, net	0	0
Financial Liabilities
Deposit liabilities	0	0
Federal Home Loan Bank (“FHLB”) borrowings	0	0
Subordinated debt, net	97,985	82,226
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Financial Assets
Debt securities held-to-maturity	0	0
Time deposits with other banks	0	0
Loans, net	9,764,669	7,845,375
Financial Liabilities
Deposit liabilities	12,297,399	9,976,125
Federal Home Loan Bank (“FHLB”) borrowings	382,523	149,450
Subordinated debt, net	0	0
Carrying Value | Fair Value, Measurements, Recurring
Financial Assets
Debt securities held-to-maturity	737,911	747,408
Time deposits with other banks	3,236	3,236
Loans, net	9,923,510	8,022,316
Financial Liabilities
Deposit liabilities	12,309,701	9,981,595
Federal Home Loan Bank (“FHLB”) borrowings	385,000	150,000
Subordinated debt, net	$ 105,804	$ 84,533

XML

Business Combinations - Narrative (Details)				3 Months Ended
	Jan. 31, 2023 USD ($) branch	Oct. 07, 2022 USD ($) branch	Jan. 03, 2022 USD ($) branch	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Allowance for credit losses				$ 155,640,000	$ 89,838,000	$ 113,895,000	$ 83,315,000
Goodwill				728,396,000		$ 480,319,000
Acquisition costs				$ 17,500,000	$ 6,700,000
Professional Holding Corp.
Business Acquisition [Line Items]
Number of branches operated | branch	9
Percentage of common stock acquired	100.00%
Common stock portion, number of Seacoast stock for each share of stock converted (in shares)	0.8909
Goodwill recognized from acquisition, nondeductible	$ 248,100,000
Fair value of options and warrants converted	10,304,000
Allowance for credit losses	39,900,000
Goodwill	248,091,000
Professional Holding Corp. | PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses at acquisition	13,335,000
Professional Holding Corp. | Acquired Non-PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses	$ 26,600,000
Apollo Bancshares, Inc.
Business Acquisition [Line Items]
Number of branches operated | branch		5
Common stock portion, number of Seacoast stock for each share of stock converted (in shares)		1.006529
Goodwill recognized from acquisition, nondeductible		$ 90,200,000
Fair value of options and warrants converted		$ 6,530,000
Minority interest portion, number of Seacoast stock for each share of stock converted (in shares)		1.195651
Allowance for credit losses		$ 7,800,000
Goodwill		90,237,000
Apollo Bancshares, Inc. | PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses at acquisition		2,658,000
Apollo Bancshares, Inc. | Acquired Non-PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses		$ 5,100,000
Drummond Banking Company
Business Acquisition [Line Items]
Number of branches operated | branch		18
Percentage of common stock acquired		100.00%
Common stock portion, number of Seacoast stock for each share of stock converted (in shares)		51.9561
Allowance for credit losses		$ 12,500,000
Goodwill		103,476,000
Drummond Banking Company | PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses at acquisition		2,566,000
Drummond Banking Company | Acquired Non-PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses		$ 9,900,000
Business Bank of Florida
Business Acquisition [Line Items]
Number of branches operated | branch			1
Percentage of common stock acquired			100.00%
Common stock portion, number of Seacoast stock for each share of stock converted (in shares)			0.7997
Goodwill recognized from acquisition, nondeductible			$ 8,000,000
Fair value of options and warrants converted			497,000
Allowance for credit losses			1,800,000
Goodwill			7,962,000
Business Bank of Florida | Stock Option | Seacoast 2021 Incentive Plan
Business Acquisition [Line Items]
Fair value of options and warrants converted			500,000
Business Bank of Florida | PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses			15,000
Allowance for credit losses at acquisition			15,000
Business Bank of Florida | Acquired Non-PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses			$ 1,800,000
Sabal Palm Bancorp, Inc.
Business Acquisition [Line Items]
Number of branches operated | branch			3
Percentage of common stock acquired			100.00%
Common stock portion, number of Seacoast stock for each share of stock converted (in shares)			0.2203
Goodwill recognized from acquisition, nondeductible			$ 26,500,000
Fair value of options and warrants converted			3,336,000
Allowance for credit losses			3,400,000
Goodwill			26,489,000
Sabal Palm Bancorp, Inc. | Stock Option | Seacoast 2021 Incentive Plan
Business Acquisition [Line Items]
Fair value of options and warrants converted			3,300,000
Sabal Palm Bancorp, Inc. | PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses			37,000
Allowance for credit losses at acquisition			37,000
Sabal Palm Bancorp, Inc. | Acquired Non-PCD Loans
Business Acquisition [Line Items]
Allowance for credit losses			$ 3,400,000

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Business Combinations - Purchase Price (Details) $ / shares in Units, $ in Thousands	Jan. 31, 2023 USD ($) $ / shares shares	Oct. 07, 2022 USD ($) $ / shares shares	Jan. 03, 2022 USD ($) $ / shares shares
Professional Holding Corp.
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares	14,358,000
Per share exchange ratio (in shares)	0.8909
Number of shares of SBCF common stock issues (in shares) | shares	12,792,000
Multiplied by common stock price per share (in dollars per share) | $ / shares	$ 32.11
Value of common stock issued	$ 410,738
Cash paid for fractional shares	5
Fair value of options and warrants converted	10,304
Total purchase price	$ 421,047
Apollo Bancshares, Inc.
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares		3,766,000
Per share exchange ratio (in shares)		1.006529
Number of shares of SBCF common stock issues (in shares) | shares		3,791,000
Number of minority interest shares outstanding (in shares) | shares		609,000
Per share exchange ratio (in shares)		1.195651
Number of shares of SBCF common stock issued, minority interest converted (in shares) | shares		728,000
Number of shares of common stock issued (in shares) | shares		4,519,000
Multiplied by common stock price per share (in dollars per share) | $ / shares		$ 30.83
Value of common stock issued		$ 139,307
Cash paid for fractional shares		5
Fair value of options and warrants converted		6,530
Total purchase price		$ 145,842
Drummond Banking Company
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares		99,000
Per share exchange ratio (in shares)		51.9561
Number of shares of common stock issued (in shares) | shares		5,136,000
Multiplied by common stock price per share (in dollars per share) | $ / shares		$ 30.83
Total purchase price		$ 158,332
Business Bank of Florida
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares			1,112,000
Per share exchange ratio (in shares)			0.7997
Number of shares of common stock issued (in shares) | shares			889,000
Multiplied by common stock price per share (in dollars per share) | $ / shares			$ 35.39
Value of common stock issued			$ 31,480
Fair value of options and warrants converted			497
Total purchase price			$ 31,977
Sabal Palm Bancorp, Inc.
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares			7,536,000
Per share exchange ratio (in shares)			0.2203
Number of shares of common stock issued (in shares) | shares			1,660,000
Multiplied by common stock price per share (in dollars per share) | $ / shares			$ 35.39
Value of common stock issued			$ 58,762
Fair value of options and warrants converted			3,336
Total purchase price			$ 62,098

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Business Combinations - Fair Value of the Assets Purchased, Including Goodwill and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jan. 31, 2023	Dec. 31, 2022	Oct. 07, 2022	Jan. 03, 2022
Assets:
Goodwill	$ 728,396		$ 480,319
Professional Holding Corp.
Assets:
Cash and cash equivalents		$ 141,680
Investments		167,059
Loans		1,991,713
Bank premises and equipment		2,478
Core deposit intangibles		48,885
Goodwill		248,091
BOLI		55,071
Other Assets		74,232
Total Assets		2,729,209
Liabilities:
Deposits		2,119,341
Subordinated debt		21,141
Other Liabilities		167,680
Total Liabilities		$ 2,308,162
Apollo Bancshares, Inc.
Assets:
Cash and cash equivalents				$ 41,001
Investments				203,596
Loans				666,522
Bank premises and equipment				7,809
Core deposit intangibles				28,699
Goodwill				90,237
Other Assets				52,724
Total Assets				1,090,588
Liabilities:
Deposits				854,774
Other Liabilities				89,972
Total Liabilities				944,746
Drummond Banking Company
Assets:
Cash and cash equivalents				31,805
Investments				327,852
Loans				544,694
Bank premises and equipment				29,370
Core deposit intangibles				32,983
Goodwill				103,476
Other Assets				49,812
Total Assets				1,119,992
Liabilities:
Deposits				881,281
Other Liabilities				80,379
Total Liabilities				$ 961,660
Business Bank of Florida
Assets:
Cash and cash equivalents					$ 38,332
Investments					26,011
Loans					121,774
Bank premises and equipment					2,102
Core deposit intangibles					2,621
Goodwill					7,962
Total Assets					198,802
Liabilities:
Deposits					166,326
Other Liabilities					499
Total Liabilities					166,825
Sabal Palm Bancorp, Inc.
Assets:
Cash and cash equivalents					170,609
Investments					6,473
Loans					246,152
Bank premises and equipment					1,745
Core deposit intangibles					5,587
Goodwill					26,489
Other Assets					5,189
Total Assets					462,244
Liabilities:
Deposits					395,952
Other Liabilities					4,194
Total Liabilities					$ 400,146

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Business Combinations - Fair Value of Acquired Loans (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Oct. 07, 2022	Jan. 03, 2022
Professional Holding Corp.
Business Acquisition [Line Items]
Book Balance	$ 2,139,222
Fair Value	1,991,713
Professional Holding Corp. | Construction and land development
Business Acquisition [Line Items]
Book Balance	156,048
Fair Value	151,012
Professional Holding Corp. | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance	293,473
Fair Value	274,068
Professional Holding Corp. | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance	752,393
Fair Value	692,746
Professional Holding Corp. | Residential real estate
Business Acquisition [Line Items]
Book Balance	509,305
Fair Value	483,611
Professional Holding Corp. | Commercial and financial
Business Acquisition [Line Items]
Book Balance	392,396
Fair Value	356,172
Professional Holding Corp. | Consumer
Business Acquisition [Line Items]
Book Balance	33,656
Fair Value	32,153
Professional Holding Corp. | PPP Loans
Business Acquisition [Line Items]
Book Balance	1,951
Fair Value	$ 1,951
Apollo Bancshares, Inc.
Business Acquisition [Line Items]
Book Balance		$ 717,578
Fair Value		666,522
Apollo Bancshares, Inc. | Construction and land development
Business Acquisition [Line Items]
Book Balance		74,126
Fair Value		70,654
Apollo Bancshares, Inc. | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance		131,093
Fair Value		121,600
Apollo Bancshares, Inc. | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance		374,673
Fair Value		340,561
Apollo Bancshares, Inc. | Residential real estate
Business Acquisition [Line Items]
Book Balance		76,254
Fair Value		75,957
Apollo Bancshares, Inc. | Commercial and financial
Business Acquisition [Line Items]
Book Balance		50,125
Fair Value		46,695
Apollo Bancshares, Inc. | Consumer
Business Acquisition [Line Items]
Book Balance		11,307
Fair Value		11,055
Drummond Banking Company
Business Acquisition [Line Items]
Book Balance		587,002
Fair Value		544,694
Drummond Banking Company | Construction and land development
Business Acquisition [Line Items]
Book Balance		155,041
Fair Value		140,401
Drummond Banking Company | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance		112,768
Fair Value		106,152
Drummond Banking Company | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance		26,520
Fair Value		24,744
Drummond Banking Company | Residential real estate
Business Acquisition [Line Items]
Book Balance		85,767
Fair Value		78,663
Drummond Banking Company | Commercial and financial
Business Acquisition [Line Items]
Book Balance		88,026
Fair Value		82,067
Drummond Banking Company | Consumer
Business Acquisition [Line Items]
Book Balance		118,880
Fair Value		$ 112,667
Business Bank of Florida
Business Acquisition [Line Items]
Book Balance			$ 123,916
Fair Value			121,774
Business Bank of Florida | Construction and land development
Business Acquisition [Line Items]
Book Balance			8,677
Fair Value			8,414
Business Bank of Florida | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance			45,403
Fair Value			44,564
Business Bank of Florida | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance			53,065
Fair Value			52,034
Business Bank of Florida | Residential real estate
Business Acquisition [Line Items]
Book Balance			5,377
Fair Value			5,421
Business Bank of Florida | Commercial and financial
Business Acquisition [Line Items]
Book Balance			11,335
Fair Value			11,280
Business Bank of Florida | Consumer
Business Acquisition [Line Items]
Book Balance			59
Fair Value			61
Sabal Palm Bancorp, Inc.
Business Acquisition [Line Items]
Book Balance			248,910
Fair Value			246,152
Sabal Palm Bancorp, Inc. | Construction and land development
Business Acquisition [Line Items]
Book Balance			9,256
Fair Value			9,009
Sabal Palm Bancorp, Inc. | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance			57,690
Fair Value			56,591
Sabal Palm Bancorp, Inc. | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance			89,153
Fair Value			87,280
Sabal Palm Bancorp, Inc. | Residential real estate
Business Acquisition [Line Items]
Book Balance			71,469
Fair Value			72,227
Sabal Palm Bancorp, Inc. | Commercial and financial
Business Acquisition [Line Items]
Book Balance			21,109
Fair Value			20,813
Sabal Palm Bancorp, Inc. | Consumer
Business Acquisition [Line Items]
Book Balance			233
Fair Value			$ 232

XML

Business Combinations - Purchased Credit Impaired Loans (Details) - PCD Loans - USD ($) $ in Thousands	Jan. 31, 2023	Oct. 07, 2022	Jan. 03, 2022
Professional Holding Corp.
Business Acquisition [Line Items]
Book balance of loans at acquisition	$ 155,031
Allowance for credit losses at acquisition	(13,335)
Non-credit related discount	(12,361)
Total PCD loans acquired	$ 129,335
Apollo Bancshares, Inc.
Business Acquisition [Line Items]
Book balance of loans at acquisition		$ 107,744
Allowance for credit losses at acquisition		(2,658)
Non-credit related discount		(14,191)
Total PCD loans acquired		90,895
Drummond Banking Company
Business Acquisition [Line Items]
Book balance of loans at acquisition		58,878
Allowance for credit losses at acquisition		(2,566)
Non-credit related discount		(4,607)
Total PCD loans acquired		$ 51,705
Business Bank of Florida
Business Acquisition [Line Items]
Book balance of loans at acquisition			$ 714
Allowance for credit losses at acquisition			(15)
Non-credit related discount			(48)
Total PCD loans acquired			651
Sabal Palm Bancorp, Inc.
Business Acquisition [Line Items]
Book balance of loans at acquisition			3,703
Allowance for credit losses at acquisition			(37)
Non-credit related discount			(663)
Total PCD loans acquired			$ 3,003

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Business Combinations - Pro-Forma Information (Details) - Professional Holding Corp. - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition, Pro Forma Information [Abstract]
Net interest income	$ 141,920	$ 105,597
Net income available to common shareholders	$ 36,090	$ 12,809
EPS - basic (in dollars per share)	$ 0.43	$ 0.17
EPS - diluted (in dollars per share)	$ 0.42	$ 0.17