10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________

FORM 10-Q

______________________________

☒ Quarterly report pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended September 30, 2020

Commission file number 1-10312

______________________________

SYNOVUS FINANCIAL CORP.

(Exact name of registrant as specified in its charter)

______________________________

Georgia	58-1134883
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

1111 Bay Avenue, Suite 500
	Columbus,	Georgia	31901
(Address of principal executive offices)			(Zip Code)

Registrant’s telephone number, including area code: (706) 641-6500

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $1.00 Par Value	SNV	New York Stock Exchange
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D	SNV - PrD	New York Stock Exchange
Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E	SNV - PrE	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Sections 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 ☒

As of November 4, 2020, 147,806,270 shares of the registrant's common stock, $1.00 par value, were outstanding.

Table of Contents

			Page
Part I.	Financial Information
		Index of Defined Terms	i
	Item 1.	Financial Statements (Unaudited)
		Consolidated Balance Sheets as of September 30, 2020 and December 31, 2019	1
		Consolidated Statements of Income for the Three and Nine Months Ended September 30, 2020 and 2019	2
		Consolidated Statements of Comprehensive Income for the Three and Nine Months Ended September 30, 2020 and 2019	3
		Consolidated Statements of Changes in Shareholders' Equity for the Three and Nine Months Ended September 30, 2020 and 2019	4
		Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2020 and 2019	6
		Notes to Unaudited Interim Consolidated Financial Statements	7
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	43
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	71
	Item 4.	Controls and Procedures	71
Part II.	Other Information
	Item 1.	Legal Proceedings	72
	Item 1A.	Risk Factors	72
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	72
	Item 3.	Defaults Upon Senior Securities	72
	Item 4.	Mine Safety Disclosures	72
	Item 5.	Other Information	72
	Item 6.	Exhibits	73
	Signatures		74

SYNOVUS FINANCIAL CORP.

INDEX OF DEFINED TERMS

Throughout this discussion, references to "Synovus", "we", "our", "us", "the Company" and similar terms refer to the consolidated entity consisting of Synovus Financial Corp. and its subsidiaries unless the context indicates that we refer only to the Parent Company, Synovus Financial Corp. When we refer to the "Bank" or "Synovus Bank" we mean our only bank subsidiary, Synovus Bank.

ACL – Allowance for credit losses (ALL, reserve on unfunded loan commitments, and reserve, if required, on debt securities)

ALCO – Synovus' Asset Liability Management Committee

ALL – Allowance for loan losses

AOCI – Accumulated other comprehensive income

Acquisition Date – Effective January 1, 2019, Synovus completed its acquisition of FCB Financial Holdings, Inc.

ARRC – Alternative Reference Rates Committee

ASC – Accounting Standards Codification

ASC 310-30 loans – Loans accounted for in accordance with ASC 310 – 30, Loans and Debt Securities Acquired with Deteriorated Credit Quality

ASU – Accounting Standards Update

ATM – Automatic teller machine

Basel III – The third Basel Accord developed by the Basel Committee on Banking Supervision to strengthen existing regulatory capital requirements

BOLI – Bank-owned life insurance

bp(s) – Basis point(s)

C&I – Commercial and industrial

CARES Act – The Coronavirus Aid, Relief, and Economic Security Act

CDC – Centers for Disease Control

CDI – Core Deposit Intangible

CECL – Current expected credit losses

CET1 – Common Equity Tier 1 Capital defined by Basel III capital rules

CMO – Collateralized mortgage obligation

Code – Internal Revenue Code, as amended

Company – Synovus Financial Corp. and its wholly-owned subsidiaries, except where the context requires otherwise

Covered Litigation – Certain Visa litigation for which Visa is indemnified by Visa USA members

COVID-19 – Coronavirus disease 2019

CRA – Community Reinvestment Act

CRE – Commercial real estate

DCF – Discounted cash flow

Dodd-Frank Act – The Dodd-Frank Wall Street Reform and Consumer Protection Act

EFFR – Effective Federal Funds Rate

EVE – Economic value of equity

Exchange Act – Securities Exchange Act of 1934, as amended

FASB – Financial Accounting Standards Board

i

FCA – Financial Conduct Authority

FCB – FCB Financial Holdings, Inc. and its wholly-owned subsidiaries, except where the context requires otherwise

FDIC – Federal Deposit Insurance Corporation

Federal Reserve Bank – The 12 banks that are the operating arms of the U.S. central bank. They implement the policies of the Federal Reserve Board and also conduct economic research

Federal Reserve Board – The 7-member Board of Governors that oversees the Federal Reserve System, establishes monetary policy (interest rates, credit, etc.), and monitors the economic health of the country. Its members are appointed by the President subject to Senate confirmation, and serve 14-year terms

Federal Reserve System – The 12 Federal Reserve Banks, with each one serving member banks in its own district. This system, supervised by the Federal Reserve Board, has broad regulatory powers over the money supply and the credit structure

FFIEC – Federal Financial Institutions Examination Council

FFIEC Retail Credit Classification Policy – FFIEC Uniform Retail Credit Classification and Account Management Policy

FHLB – Federal Home Loan Bank

FICO – Fair Isaac Corporation

FMS – Financial Management Services, a division of Synovus Bank

FOMC – Federal Open Market Committee

FTE – Fully taxable-equivalent

FTP – Funds transfer pricing

GA DBF – Georgia Department of Banking and Finance

GAAP – Generally Accepted Accounting Principles in the United States of America

GGL – Government guaranteed loans

Global One – Entaire Global Companies, Inc., the parent company of Global One Financial, Inc., as acquired by Synovus on October 1, 2016.

HELOC – Home equity line of credit

Interagency Supervisory Guidance – Interagency Supervisory Guidance on Allowance for Loan and Lease Losses Estimation Practices for Loans and Lines of Credit Secured by Junior Liens on 1-4 Family Residential Properties

LGD – Loss given default

LIBOR – London Interbank Offered Rate

LIHTC – Low Income Housing Tax Credit

LTV – Loan-to-collateral value ratio

MBS – Mortgage-backed security

Merger Agreement – Agreement and Plan of Merger by and among Synovus, FCB and Azalea Merger Sub Corp., a subsidiary of Synovus, dated as of July 23, 2018

Merger – The merger effected by the Merger Agreement

MLO – Mortgage loan originator

MPS – Merchant processing servicer(s)

MRSU – Market Restricted Share Unit

NAICS – North American Industry Classification System

nm – not meaningful

NPA – Non-performing assets

NPL – Non-performing loans

NSF – Non-sufficient funds

ii

OCI – Other comprehensive income

ORE – Other real estate

P&I – Principal and interest

PAA – Purchase accounting adjustments

Parent Company – Synovus Financial Corp.

PCD – Purchased Credit Deteriorated

PCI – Purchased Credit Impaired

PD – Probability of Default

PPP – Paycheck Protection Program established as part of the CARES Act and launched on April 3, 2020 by the SBA and Treasury

PSU – Performance Share Unit

RSU – Restricted Share Unit

SBA – Small Business Administration

SBIC – Small Business Investment Company

SEC – U.S. Securities and Exchange Commission

Securities Act – Securities Act of 1933, as amended

Series D Preferred Stock – Synovus' Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D, $25 liquidation preference

Series E Preferred Stock – Synovus' Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E, $25 liquidation preference

SOFR – Secured Overnight Financing Rate

Synovus – Synovus Financial Corp.

Synovus Bank – A Georgia state-chartered bank and wholly-owned subsidiary of Synovus through which Synovus conducts its banking operations

Synovus' 2019 Form 10-K – Synovus' Annual Report on Form 10-K for the year ended December 31, 2019

Synovus Securities – Synovus Securities, Inc., a wholly-owned subsidiary of Synovus

Synovus Trust – Synovus Trust Company, N.A., a wholly-owned subsidiary of Synovus Bank

TDR – Troubled debt restructuring (as defined in ASC 310-40)

TJCA – U.S. Tax Cuts and Jobs Act of 2017

TSR – Total shareholder return

UPB – Unpaid principal balance

Visa – The Visa U.S.A., Inc. card association or its affiliates, collectively

Visa Class A shares – Class A shares of common stock issued by Visa are publicly traded shares which are not subject to restrictions on sale

Visa Class B shares – Class B shares of common stock issued by Visa which are subject to restrictions with respect to sale until all of the Covered Litigation has been settled. Class B shares will be convertible into Visa Class A shares using a then-current conversion ratio upon the lifting of restrictions with respect to sale of Visa Class B shares

Visa Derivative – A derivative contract with the purchaser of Visa Class B shares which provides for settlements between the purchaser and Synovus based upon a change in the ratio for conversion of Visa Class B shares into Visa Class A shares

iii

PART I. FINANCIAL INFORMATION

ITEM 1. - FINANCIAL STATEMENTS

SYNOVUS FINANCIAL CORP.

CONSOLIDATED BALANCE SHEETS

(unaudited)

(in thousands, except share and per share data)	September 30, 2020		December 31, 2019
ASSETS
Cash and due from banks	$	578,026	$	535,846
Interest-bearing funds with Federal Reserve Bank	1,266,313		553,390
Interest earning deposits with banks	20,929		20,635
Federal funds sold and securities purchased under resale agreements	120,095		77,047
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,985,363		1,186,918
Investment securities available for sale, at fair value	7,566,525		6,778,670
Loans held for sale (includes $285,899 and $115,173 measured at fair value, respectively)	745,160		115,173
Loans, net of deferred fees and costs	39,549,847		37,162,450
Allowance for loan losses	(603,800)		(281,402)
Loans, net	38,946,047		36,881,048
Cash surrender value of bank-owned life insurance	1,044,046		775,665
Premises and equipment, net	471,208		493,940
Goodwill	452,390		497,267
Other intangible assets, net	47,752		55,671
Other assets	1,782,047		1,418,930
Total assets	$	53,040,538	$	48,203,282
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities
Deposits:
Non-interest-bearing deposits	$	13,075,081	$	9,439,485
Interest-bearing deposits	31,590,823		28,966,019
Total deposits	44,665,904		38,405,504
Federal funds purchased and securities sold under repurchase agreements	202,344		165,690
Other short-term borrowings	400,000		1,753,560
Long-term debt	1,628,385		2,153,897
Other liabilities	1,079,363		782,941
Total liabilities	47,975,996		43,261,592
Shareholders' Equity
Preferred stock - no par value; authorized 100,000,000 shares; issued 22,000,000	537,145		537,145
Common stock - $1.00 par value; authorized 342,857,143 shares; issued 167,410,950 and 166,800,623; outstanding 147,317,923 and 147,157,596	167,411		166,801
Additional paid-in capital	3,832,142		3,819,336
Treasury stock, at cost; 20,093,027 and 19,643,027 shares	(731,806)		(715,560)
Accumulated other comprehensive income, net	174,914		65,641
Retained earnings	1,084,736		1,068,327
Total shareholders' equity	5,064,542		4,941,690
Total liabilities and shareholders' equity	$	53,040,538	$	48,203,282

See accompanying notes to unaudited interim consolidated financial statements.

1

SYNOVUS FINANCIAL CORP.

CONSOLIDATED STATEMENTS OF INCOME

(unaudited)

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share data)	2020		2019		2020		2019
Interest income:
Loans, including fees	$	384,275	$	463,437	$	1,213,609	$	1,368,769
Investment securities available for sale	43,196		53,761		139,784		156,493
Loans held for sale	6,341		978		9,047		2,144
Federal Reserve Bank balances	285		2,288		2,187		8,659
Other earning assets	1,453		2,951		6,389		8,320
Total interest income	435,550		523,415		1,371,016		1,544,385
Interest expense:
Deposits	43,194		94,082		185,670		274,466
Federal funds purchased, securities sold under repurchase agreements, and other short-term borrowings	176		7,843		7,885		18,599
Long-term debt	15,190		19,393		50,645		54,785
Total interest expense	58,560		121,318		244,200		347,850
Net interest income	376,990		402,097		1,126,816		1,196,535
Provision for credit losses(1)	43,383		27,562		343,956		63,250
Net interest income after provision for credit losses	333,607		374,535		782,860		1,133,285
Non-interest revenue:
Service charges on deposit accounts	17,813		22,952		54,069		65,805
Fiduciary and asset management fees	15,885		14,686		46,009		42,743
Card fees	10,823		12,297		30,959		34,334
Brokerage revenue	10,604		11,071		32,987		30,502
Mortgage banking income	31,229		10,351		66,987		23,313
Capital markets income	5,690		7,396		22,984		21,557
Income from bank-owned life insurance	7,778		5,139		21,572		15,605
Investment securities (losses) gains, net	(1,550)		(3,731)		76,594		(5,502)
Other non-interest revenue	16,139		8,599		39,591		29,588
Total non-interest revenue	114,411		88,760		391,752		257,945
Non-interest expense:
Salaries and other personnel expense	154,994		142,516		464,268		424,952
Net occupancy, equipment, and software expense	41,554		41,017		125,475		119,262
Third-party processing and other services	20,620		18,528		63,466		55,403
Professional fees	13,377		9,719		39,358		25,379
FDIC insurance and other regulatory fees	6,793		7,242		18,922		21,872
Goodwill impairment	44,877		—		44,877		—
Merger-related expense	—		353		—		57,493
Other operating expenses	34,440		56,935		120,710		128,486
Total non-interest expense	316,655		276,310		877,076		832,847
Income before income taxes	131,363		186,985		297,536		558,383
Income tax expense	39,789		51,259		74,250		146,287
Net income	91,574		135,726		223,286		412,096
Less: Preferred stock dividends	8,291		8,291		24,872		14,591
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Net income per common share, basic	$	0.57	$	0.84	$	1.35	$	2.53
Net income per common share, diluted	0.56		0.83		1.34		2.51
Weighted average common shares outstanding, basic	147,314		152,238		147,304		156,819
Weighted average common shares outstanding, diluted	147,976		154,043		148,037		158,595

(1)    Beginning January 1, 2020, provision calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

See accompanying notes to unaudited interim consolidated financial statements.

2

SYNOVUS FINANCIAL CORP.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three Months Ended September 30,
	2020						2019
(in thousands)	Before-tax Amount		Income Tax		Net of Tax Amount		Before-tax Amount		Income Tax		Net of Tax Amount
Net income	$	131,363	$	(39,789)	$	91,574	$	186,985	$	(51,259)	$	135,726
Unrealized gains (losses) on investment securities available for sale:
Net unrealized gains (losses) arising during the period	(29,428)		7,622		(21,806)		33,919		(8,786)		25,133
Reclassification adjustment for realized (gains) losses included in net income	1,550		(401)		1,149		3,731		(966)		2,765
Net change	(27,878)		7,221		(20,657)		37,650		(9,752)		27,898
Unrealized gains (losses) on derivative instruments designated as cash flow hedges:
Net unrealized gains (losses) arising during the period	(8,954)		2,319		(6,635)		(1,182)		306		(876)
Reclassification adjustment for realized (gains) losses included in net income	(1,031)		267		(764)		—		—		—
Net change	(9,985)		2,586		(7,399)		(1,182)		306		(876)
Post-retirement unfunded health benefit:
Actuarial gains (losses) arising during the period	—		—		—		(510)		132		(378)
Reclassification adjustment for realized (gains) losses included in net income	—		—		—		—		—		—
Net change	—		—		—		(510)		132		(378)
Total other comprehensive income (loss)	$	(37,863)	$	9,807	$	(28,056)	$	35,958	$	(9,314)	$	26,644
Comprehensive income					$	63,518					$	162,370
	Nine Months Ended September 30,
	2020						2019
(in thousands)	Before-tax Amount		Income Tax		Net of Tax Amount		Before-tax Amount		Income Tax		Net of Tax Amount
Net income	$	297,536	$	(74,250)	$	223,286	$	558,383	$	(146,287)	$	412,096
Unrealized gains (losses) on investment securities available for sale:
Net unrealized gains (losses) arising during the period	116,975		(30,297)		86,678		226,160		(58,574)		167,586
Reclassification adjustment for realized (gains) losses included in net income	(76,594)		19,838		(56,756)		5,502		(1,425)		4,077
Net change	40,381		(10,459)		29,922		231,662		(59,999)		171,663
Unrealized gains (losses) on derivative instruments designated as cash flow hedges:
Net unrealized gains (losses) arising during the period	108,508		(28,104)		80,404		(1,182)		306		(876)
Reclassification adjustment for realized (gains) losses included in net income	(1,421)		368		(1,053)		—		—		—
Net change	107,087		(27,736)		79,351		(1,182)		306		(876)
Post-retirement unfunded health benefit:
Actuarial gains (losses) arising during the period	—		—		—		(510)		132		(378)
Reclassification adjustment for realized (gains) losses included in net income	—		—		—		(70)		14		(56)
Net change	—		—		—		(580)		146		(434)
Total other comprehensive income (loss)	$	147,468	$	(38,195)	$	109,273	$	229,900	$	(59,547)	$	170,353
Comprehensive income					$	332,559					$	582,449

See accompanying notes to unaudited interim consolidated financial statements.

3

SYNOVUS FINANCIAL CORP.

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

(unaudited)

(in thousands, except per share data)	Preferred Stock		Common Stock		Additional Paid-in Capital		Treasury Stock		Accumulated Other Comprehensive Income (Loss)		Retained Earnings		Total
Balance, July 1, 2020	$	537,145	$	167,406	$	3,826,726	$	(731,806)	$	202,970	$	1,050,527	$	5,052,968
Net income	—		—		—		—		—		91,574		91,574
Other comprehensive loss, net of income taxes	—		—		—		—		(28,056)		—		(28,056)
Cash dividends declared on common stock - $0.33 per share	—		—		—		—		—		(48,614)		(48,614)
Cash dividends declared on preferred stock(2)	—		—		—		—		—		(8,291)		(8,291)
Restricted share unit vesting and taxes paid related to net share settlement	—		2		434		—		—		(460)		(24)
Stock options exercised, net	—		3		30		—		—		—		33
Share-based compensation expense	—		—		4,952		—		—		—		4,952
Balance at September 30, 2020	$	537,145	$	167,411	$	3,832,142	$	(731,806)	$	174,914	$	1,084,736	$	5,064,542
Balance, July 1, 2019	$	195,140	$	166,080	$	3,801,748	$	(344,901)	$	49,289	$	886,460	$	4,753,816
Net income	—		—		—		—		—		135,726		135,726
Other comprehensive income, net of income taxes	—		—		—		—		26,644		—		26,644
Cash dividends declared on common stock - $0.30 per share	—		—		—		—		—		(44,476)		(44,476)
Cash dividends declared on preferred stock(2)	—		—		—		—		—		(8,291)		(8,291)
Issuance of Series E Preferred Stock, net of issuance costs	341,410		—		—		—		—		—		341,410
Repurchases of common stock including costs to repurchase	—		—		—		(343,690)		—		—		(343,690)
Restricted share unit vesting and taxes paid related to net share settlement	—		9		219		—		—		(326)		(98)
Stock options exercised, net	—		112		2,514		—		—		—		2,626
Warrants exercised with net settlement and common stock reissued	—		—		(8,494)		8,510		—		(16)		—
Share-based compensation expense	—		—		5,171		—		—		—		5,171
Balance at September 30, 2019	$	536,550	$	166,201	$	3,801,158	$	(680,081)	$	75,933	$	969,077	$	4,868,838

4

(in thousands, except per share data)	Preferred Stock		Common Stock		Additional Paid-in Capital		Treasury Stock		Accumulated Other Comprehensive Income (Loss)		Retained Earnings		Total
Balance, December 31, 2019	$	537,145	$	166,801	$	3,819,336	$	(715,560)	$	65,641	$	1,068,327	$	4,941,690
Cumulative-effect of change in accounting principle for financial instruments - credit losses (ASU 2016-13), net of tax(1)	—		—		—		—		—		(35,721)		(35,721)
Net income	—		—		—		—		—		223,286		223,286
Other comprehensive income, net of income taxes	—		—		—		—		109,273		—		109,273
Cash dividends declared on common stock - $0.99 per share	—		—		—		—		—		(145,824)		(145,824)
Cash dividends declared on preferred stock(3)	—		—		—		—		—		(24,872)		(24,872)
Repurchases of common stock including costs to repurchase	—		—		—		(16,246)		—		—		(16,246)
Restricted share unit vesting and taxes paid related to net share settlement	—		381		(7,349)		—		—		(460)		(7,428)
Stock options exercised, net	—		229		6,282		—		—		—		6,511
Share-based compensation expense	—		—		13,873		—		—		—		13,873
Balance at September 30, 2020	$	537,145	$	167,411	$	3,832,142	$	(731,806)	$	174,914	$	1,084,736	$	5,064,542
Balance, December 31, 2018	$	195,140	$	143,300	$	3,060,561	$	(1,014,746)	$	(94,420)	$	843,767	$	3,133,602
Cumulative-effect of change in accounting principle for leases (ASU 2016-02), net of tax	—		—		—		—		—		4,270		4,270
Net income	—		—		—		—		—		412,096		412,096
Other comprehensive income, net of income taxes	—		—		—		—		170,353		—		170,353
FCB Acquisition:
Issuance of common stock, net of issuance costs	—		22,043		682,103		—		—		—		704,146
Common stock reissued	—		—		—		1,014,746		—		(137,176)		877,570
Fair value of exchanged equity awards and warrants attributed to purchase price	—		—		43,972		—		—		—		43,972
Cash dividends declared on common stock - $0.90 per share	—		—		—		—		—		(138,947)		(138,947)
Cash dividends declared on preferred stock(3)	—		—		—		—		—		(14,591)		(14,591)
Issuance of Series E Preferred Stock, net of issuance costs	341,410		—		—		—		—		—		341,410
Repurchases of common stock including costs to repurchase	—		—		—		(688,860)		—		—		(688,860)
Restricted share unit vesting and taxes paid related to net share settlement	—		294		(8,709)		—		—		(326)		(8,741)
Stock options/warrants exercised, net	—		564		10,598		—		—		—		11,162
Warrants exercised with net settlement and common stock reissued	—		—		(8,763)		8,779		—		(16)		—
Share-based compensation expense	—		—		21,396		—		—		—		21,396
Balance at September 30, 2019	$	536,550	$	166,201	$	3,801,158	$	(680,081)	$	75,933	$	969,077	$	4,868,838

(1)    For additional information, see "Part I - Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report.

(2)    For the three months ended September 30, 2020, dividends per share were $0.39 and $0.37 for Series D and Series E Preferred Stock, respectively. For the three months ended September 30, 2019, dividends per share were $0.39 and $0.37 for Series D and Series E Preferred Stock, respectively.

(3)    For the nine months ended September 30, 2020, dividends per share were $1.17 and $1.11 for Series D and Series E Preferred Stock, respectively. For the nine months ended September 30, 2019, dividends per share were $1.17 and $0.37 for Series D and Series E Preferred Stock, respectively.

See accompanying notes to unaudited interim consolidated financial statements.

5

SYNOVUS FINANCIAL CORP.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

	Nine Months Ended September 30,
(in thousands)	2020		2019
Operating Activities
Net income	$	223,286	$	412,096
Adjustments to reconcile net income to net cash (used) provided by operating activities:
Provision for credit losses	343,956		63,250
Depreciation, amortization, and accretion, net	77,385		8,969
Deferred income tax (benefit) expense	(60,433)		42,594
Originations of loans held for sale	(2,221,302)		(603,086)
Proceeds from sales of loans held for sale	1,657,738		527,354
Gain on sales of loans held for sale, net	(50,001)		(15,453)
Increase in other assets	(397,220)		(135,448)
Increase in other liabilities	234,018		32,345
Investment securities (gains) losses, net	(76,594)		5,502
Goodwill impairment	44,877		—
Loss on early extinguishment of debt	2,057		4,592
Share-based compensation expense	13,873		21,396
Net cash (used in) provided by operating activities	(208,360)		364,111
Investing Activities
Net cash received in business combination, net of cash paid	—		201,100
Proceeds from maturities and principal collections of investment securities available for sale	1,567,889		780,538
Proceeds from sales of investment securities available for sale	3,932,368		2,456,137
Purchases of investment securities available for sale	(6,180,812)		(3,614,139)
Proceeds from sales of equity securities	23,141		—
Proceeds from sales of loans	1,293,366		71,530
Proceeds from sales of other real estate and other assets	18,204		15,859
Net increase in loans	(3,703,203)		(1,278,772)
Net redemptions (purchases) of Federal Home Loan Bank stock	96,772		(75,735)
Net purchases of Federal Reserve Bank stock	(454)		(45,856)
Net (purchases) proceeds from settlement of bank-owned life insurance policies	(248,023)		15,208
Net increase in premises and equipment	(22,786)		(40,195)
Net cash used in investing activities	(3,223,538)		(1,514,325)
Financing Activities
Net increase in deposits	6,259,108		(185,362)
Net increase in federal funds purchased and securities sold under repurchase agreements	36,655		(69,412)
Net change in other short-term borrowings	(1,353,560)		1,582,000
Repayments and redemption of long-term debt	(1,776,913)		(157,226)
Proceeds from issuance of long-term debt, net	1,248,441		497,045
Dividends paid to common shareholders	(141,353)		(123,446)
Dividends paid to preferred shareholders	(24,872)		(9,450)
Proceeds from issuance of Preferred stock	—		341,410
Stock options and warrants exercised	6,511		11,162
Repurchase of common stock	(16,246)		(688,860)
Taxes paid related to net share settlement of equity awards	(7,428)		(8,741)
Net cash provided by financing activities	4,230,343		1,189,120
Increase in cash and cash equivalents including restricted cash	798,445		38,906
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	1,186,918		1,143,564
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	$	1,985,363	$	1,182,470
Supplemental Disclosures:
Income taxes paid	$	68,253	$	88,480
Interest paid	268,046		350,388
Non-cash Activities
Common stock issued, treasury stock reissued, equity awards/warrants exchanged to acquire FCB	—		1,625,688
Loans foreclosed and transferred to other real estate	2,163		14,084
Loans transferred to loans held for sale at fair value	46,178		—
Dividends declared on common stock during the period but paid after period-end	48,614		44,476
Dividends declared on preferred stock during the period but paid after period-end	5,141		5,141

See accompanying notes to unaudited interim consolidated financial statements.

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Notes to Unaudited Interim Consolidated Financial Statements

Note 1 - Basis of Presentation and Accounting Policies

General

The accompanying unaudited interim consolidated financial statements of Synovus Financial Corp. include the accounts of the Parent Company and its consolidated subsidiaries. Synovus Financial Corp. is a financial services company based in Columbus, Georgia. Through its wholly-owned subsidiary, Synovus Bank, a Georgia state-chartered bank that is a member of the Federal Reserve System, the Company provides commercial and retail banking in addition to a full suite of specialized products and services including private banking, treasury management, wealth management, premium finance, asset-based lending, structured lending, and international banking. Synovus Bank is positioned in markets in the Southeast, with 292 branches and 389 ATMs in Alabama, Florida, Georgia, South Carolina, and Tennessee.

The accompanying unaudited interim consolidated financial statements have been prepared in accordance with the instructions to the SEC Form 10-Q and Article 10 of Regulation S-X; therefore, they do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, comprehensive income, and cash flows in conformity with GAAP. All adjustments consisting of normally recurring accruals that, in the opinion of management, are necessary for a fair presentation of the consolidated financial position and results of operations for the periods covered by this Report have been included. The accompanying unaudited interim consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes appearing in Synovus' 2019 Form 10-K.

Reclassifications

Prior periods' consolidated financial statements are reclassified whenever necessary to conform to the current periods' presentation.

Use of Estimates in the Preparation of Financial Statements

In preparing the consolidated financial statements in accordance with GAAP, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the respective consolidated balance sheets and the reported amounts of revenues and expenses for the periods presented. Actual results could differ significantly from those estimates.

Material estimates that are particularly susceptible to change relate to the determination of the ACL; estimates of fair value, including goodwill impairment assessment; income taxes; and contingent liabilities.

Non-TDR Modifications due to COVID-19

Coronavirus Aid, Relief, and Economic Security Act (CARES Act)

The U.S. has been operating under a presidentially declared state of emergency since March 13, 2020 ("National Emergency"). On March 27, 2020, the CARES Act was signed into law. Among other emergency measures aimed to lessen the impact of COVID-19, the CARES Act creates a forbearance program for federally backed mortgage loans, protects borrowers from negative credit reporting due to loan accommodations related to the National Emergency, and provides financial institutions the option to temporarily suspend certain requirements under GAAP related to TDRs for a limited period of time to account for the effects of COVID-19.

Regulatory agencies encouraged financial institutions to work prudently with borrowers who are or may be unable to meet their contractual payment obligations because of COVID-19. In the Interagency Statement on Loan Modifications and Reporting for Financial Institutions Working with Customers Affected by the Coronavirus (initially issued on March 22, 2020 and revised on April 7, 2020), for example, the regulatory agencies expressed their view of loan modification programs as positive actions that may mitigate adverse effects on borrowers due to COVID-19 and their unwillingness to criticize institutions for working with borrowers in a safe and sound manner. Moreover, the Interagency Statement provided that eligible loan modifications related to COVID-19 may be accounted for under section 4013 of the CARES Act or in accordance with ASC 310-40. Section 4013 of the CARES Act allows banks to elect to not consider loan modifications related to COVID-19 that are made between March 1, 2020 and the earlier of December 31, 2020, or 60 days after the National Emergency ends to borrowers that are current (i.e., less than 30 days past due as of December 31, 2019) as TDRs. The regulatory agencies further stated that performing loans granted payment deferrals due to COVID-19 are not considered past due or non-accrual. FASB confirmed the foregoing regulatory agencies' view, that such short-term modifications (e.g., six months) made on a good-faith basis in response to COVID-19 for borrowers who are current are not TDRs. As such, beginning in late March 2020, Synovus provided relief programs consisting primarily of 90-day payment deferral relief of P&I to borrowers negatively impacted by COVID-19 and has primarily accounted for these loan modifications in accordance with ASC 310-40. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for information on Synovus' TDR policy. During the third quarter, upon

7

evaluation of facts and circumstances, the CARES Act was elected for certain loan modifications that met the criteria of section 4013 of the CARES Act. The deferred payments along with interest accrued during the deferral period are generally due and payable on the maturity date of the existing loan. Based on the terms of the deferral relief program which did not provide for forgiveness of interest, Synovus has recognized interest income on loans during the deferral period.

U.S. Small Business Administration Paycheck Protection Program (PPP)

    Synovus is participating in the Paycheck Protection Program, which is a loan program that originated from the CARES Act and was subsequently expanded by the Paycheck Protection Program and Health Care Enhancement Act ("PPPHCEA Act"). The PPP is designed to provide U.S. small businesses with cash-flow assistance through loans guaranteed by the SBA. If the borrower meets certain criteria and uses the proceeds toward certain eligible expenses in accordance with the requirements of the PPP, the borrower's obligation to repay the loan can be forgiven up to the full principal amount of the loan and any accrued interest. Upon borrower forgiveness, the SBA pays the Company for the principal and accrued interest owed on the loan. If the full principal of the loan is not forgiven, the loan will operate according to the original loan terms with the SBA guaranty remaining. Under this program, Synovus provided nearly $2.9 billion in funding to close to 19,000 customers. The average PPP loan was approximately $150 thousand, and the customers that received those loans employ over 335 thousand individuals. As compensation for originating the loans, the Company receives lender processing fees from the SBA ranging from 1% to 5%, based on the size of the loan, which are deferred and will be amortized over the loans' contractual lives and recognized as interest income. Upon forgiveness of a loan by the SBA, any unrecognized net deferred fees related to the loan will be recognized as interest income in the period the SBA forgiveness payment is received.

Recently Adopted Accounting Standards

ASU 2016-13, Financial Instruments-Credit Losses (ASC 326). On January 1, 2020, Synovus adopted ASU 2016-13 (and all subsequent ASUs on this topic), which replaces the existing incurred loss impairment guidance with an expected credit loss methodology (referred to as CECL). CECL requires management’s estimate of credit losses over the full remaining expected life of loans and other financial instruments and for Synovus, applies to loans, unfunded loan commitments, accrued interest receivable, and available for sale debt securities. Upon adoption, Synovus applied the modified retrospective approach and recorded an after-tax cumulative-effect adjustment to beginning retained earnings for non-PCD assets (formerly non-PCI assets) and unfunded commitments of $35.7 million. Additionally, an initial estimate of expected credit losses on PCD assets (formerly PCI or ASC 310-30) was recognized with an offset to the cost basis of the related loans of $62.2 million. As permitted by transition guidance, Synovus did not reassess whether PCI assets met the criteria of PCD assets as of the adoption date. The remaining non-credit discount (based on the adjusted amortized cost basis) will be accreted into interest income. Results for reporting periods after adoption are presented under ASC 326 while prior period amounts continue to be reported in accordance with previously applicable GAAP.

The following table illustrates the impact of ASC 326 adoption:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Assets
Allowance for loan losses:
Commercial and industrial	$	145,782	$	(2,310)	$	143,472
Commercial real estate	67,430		(651)		66,779
Consumer	68,190		85,955		154,145
Total allowance for loan losses	$	281,402	$	82,994	$	364,396
Liabilities
Reserve for unfunded commitments	$	1,375	$	27,440	$	28,815
Allowance for credit losses	$	282,777	$	110,434	$	393,211

The following table illustrates the distribution of the ASC 326 adoption impact to loans and equity:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Loans, net	$	36,881,048	$	(20,767)	$	36,860,281
Retained earnings	1,068,327		(35,721)		1,032,606

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On August 26, 2020, the federal banking regulators issued a final rule (following an interim final rule issued on March 27, 2020) that allows electing banking organizations that adopt CECL during 2020 to mitigate the estimated effects of CECL on regulatory capital for two years, followed by a three-year phase-in transition period. Regulatory capital ratios in 2020 reflect Synovus' election of the five-year transition provision.

In conjunction with the adoption of ASC 326, the following are additional disclosures about our significant accounting policies related to CECL.

Investment Securities Available for Sale

Investment securities available for sale are carried at fair value with unrealized gains and losses, net of the related tax effect, excluded from earnings and reported as a separate component of shareholders' equity within accumulated other comprehensive income (loss) until realized.

For investment securities available for sale in an unrealized loss position, if Synovus has an intention to sell the security, or it is more likely than not that the security will be required to be sold prior to recovery, the security is written down to its fair value. The write down is charged against the ACL with any additional impairment recorded in earnings. If the aforementioned criteria is not met, Synovus performs a quarterly assessment of its available for sale debt securities to determine if the decline in fair value of a security below its amortized cost is related to credit losses or other factors. Management considers the extent to which fair value is less than amortized cost, the issuer of the security, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. In assessing whether credit related impairment exists, the present value of cash flows expected to be collected from the security is compared to the security's amortized cost. If the present value of cash flows expected to be collected is less than the security's amortized cost basis, the difference is attributable to credit losses. For such differences, Synovus records an ACL with an offset to provision for credit losses expense. Synovus limits the ACL recorded to the amount the security's fair value is less than the amortized cost basis. Impairment losses related to other factors are recognized in other comprehensive income (loss).

Accrued interest on available for sale debt securities is excluded from the ACL determination and is recognized within other assets on the consolidated balance sheets. Available-for-sale debt securities are placed on non-accrual status when we no longer expect to receive all contractual amounts due, which is generally at 90 days past due. Accrued interest receivable is reversed against interest income when a security is placed on non-accrual status. Accordingly, we do not recognize an allowance for credit loss against accrued interest receivable.

Loans Held for Investment and Interest Income

Loans the Company has the intent and ability to hold for the foreseeable future are reported at principal amounts outstanding less amounts charged off, net of deferred fees and costs, and purchase premiums/discounts. Interest income, net deferred fees, and purchase premium/discount amortization/accretion on loans, are recognized on a level yield basis.

Allowance for Credit Losses for Loans Held for Investment (ALL)

The allowance for credit losses on loans held for investment are included in the ALL and represent management's estimate of credit losses expected over the life of the loans included in Synovus' existing loans held for investment portfolio. Changes to the allowance are recorded through a provision for credit losses and reduced by loans charged-off, net of recoveries. Determining the appropriateness of the allowance is complex and requires judgment by management about the effect of matters that are inherently uncertain.

Accrued but uncollected interest is recorded in other assets on the consolidated balance sheets. In general, the Company does not record an ACL for accrued interest receivables as allowable per ASC 326-20-30-5A as Synovus' non-accrual policies result in the timely write-off of accrued but uncollected interest.

Credit loss measurement

Synovus' loan loss estimation process includes procedures to appropriately consider the unique characteristics of its loan portfolio segments (C&I, CRE and consumer). These segments are further disaggregated into loan classes, the level at which credit quality is assessed and monitored (as described in the subsequent sections).

The ALL is measured on a collective (pool) basis when similar risk characteristics exist. Loans are grouped based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings. Credit loss assumptions are primarily estimated using a DCF model applied to the aforementioned loan groupings. This model calculates an expected life-of-loan loss percentage for each loan category by considering the forecasted PD, which is the probability that a borrower will default, adjusted for relevant forecasted macroeconomic factors, and LGD, which is the estimate of the amount of net loss in the event of default.

Expected credit losses are estimated over the contractual term of the loan, adjusted for expected prepayments and curtailments when appropriate. Management's determination of the contract term excludes expected extensions, renewals, and

9

modifications unless either of the following applies: there is a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower, or an extension or renewal option is included in the contract at the reporting date that is not unconditionally cancellable by Synovus.

To the extent the lives of the loans in the portfolio extend beyond the period for which a reasonable and supportable forecast can be made (which is one year for Synovus), the Company reverts, on a straight-line basis back to the historical rates over a one year period.

Life-of-loan loss percentages may also be adjusted, as necessary, for certain quantitative and qualitative factors that in management's judgment are necessary to reflect losses expected in the portfolio. These adjustments address inherent limitations in the quantitative model including uncertainty and limitations, among others.

The above reflects the ALL estimation process for most commercial and consumer sub-pools. In some cases, Synovus may apply other acceptable loss rate models to smaller subpools.

Loans that do not share risk characteristics are individually evaluated on a loan by loan basis with specific reserves, if any, recorded as appropriate. Specific reserves are determined based on two methods: discounted cash flow based upon the loan's contractual effective interest rate or at the fair value of the collateral, less costs to sell if the loan is collateral-dependent.

For individually evaluated loans, under the DCF method, resulting expected credit losses are recorded as a specific reserve with a charge-off for any portion of the expected credit loss that is determined not to be recoverable. The reserve is reassessed each quarter and adjusted as appropriate based on changes in estimated cash flows. Additionally, where guarantors are determined to be a source of repayment, an assessment of the guarantee is required. This guarantee assessment would include, but not be limited to, factors such as type and feature of the guarantee, consideration for the guarantor's financial strength and capacity to service the loan in combination with the guarantor's other financial obligations as well as the guarantor's willingness to assist in servicing the loan.

For individually evaluated loans, if the loan is collateral-dependent, then the fair value of the loan's collateral, less estimated selling costs, is compared to the loan's carrying amount to determine impairment. Fair value is estimated using appraisals performed by a certified or licensed appraiser. Management also considers other factors or recent developments, such as changes in absorption rates or market conditions at the time of valuation, selling costs and anticipated sales values, taking into account management's plans for disposition, which could result in adjustments to the fair value estimates indicated in the appraisals. The assumptions used in determining the amount of the impairment are subject to significant judgment. Use of different assumptions, for example, changes in the fair value of the collateral or management's plans for disposition could have a significant impact on the amount of impairment.

Troubled debt restructurings

The ALL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate, and not the rate specified with the restructuring, is used to discount the expected cash flows.

Purchased Loans with Credit Deterioration

Purchased loans are evaluated upon acquisition in order to determine if the loan, or pool of loans, has experienced more-than-insignificant deterioration in credit quality since origination or issuance. In the performance of this evaluation, Synovus considers migration of the credit quality of the loans at origination in comparison to the credit quality at acquisition.

Purchased loans classified as PCD are recognized in accordance with ASC 326-20-30, whereby the amortized cost basis of the PCD asset is ‘grossed-up’ by the initial estimate of credit losses with an offset to the ALL. This acquisition date allowance has no income statement effect. Post-acquisition, any changes in estimates of expected credit losses are recorded through the provision for credit losses. Non-credit discounts or premiums are accreted or amortized, respectively into interest income using the interest method.

Loans formerly accounted for as purchased credit-impaired in accordance with ASC 310-30 were automatically transitioned to PCD classification. The Company did not maintain ASC 310-30 pools. PCD loans were integrated into existing pool structures based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings as noted above.

The accounting treatment for purchased loans classified as non-PCD is the same as loans held for investment as detailed in the above section.

Allowance for Credit Losses on Off-balance-sheet Credit Exposures

Synovus maintains a separate ACL for off-balance-sheet credit exposures, including unfunded loan commitments, unless the associated obligation is unconditionally cancellable by the Company. This allowance is included in other liabilities on the consolidated balance sheets with offsetting expense recognized as a component of the provision for credit losses on the

10

consolidated statements of income. The reserve for off-balance-sheet credit exposures considers the likelihood that funding will occur and estimates the expected credit losses on resulting commitments expected to be funded over its estimated life using the estimated loss rates on loans held for investment.

Recently Issued Accounting Standards Not Yet Adopted

ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting (ASC 848). Facilitation of the Effects of Reference Rate Reform on Financial Reporting, provides temporary, optional guidance to ease the potential burden in accounting for, or recognizing the effects of, the transition away from the LIBOR or other interbank offered rate on financial reporting. To help with the transition to new reference rates, the ASU provides optional expedients and exceptions for applying GAAP to affected contract modifications and hedge accounting relationships. The main provisions include:

•A change in a contract’s reference interest rate would be accounted for as a continuation of that contract rather than as the creation of a new one for contracts, including loans, debt, leases, and other arrangements, that meet specific criteria.

•When updating its hedging strategies in response to reference rate reform, an entity would be allowed to preserve its hedge accounting.

The guidance is applicable only to contracts or hedge accounting relationships that reference LIBOR or another reference rate expected to be discontinued. Because the guidance is meant to help entities through the transition period, it will be in effect for a limited time and will not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, for which an entity has elected certain optional expedients that are retained through the end of the hedging relationship. The amendments in this ASU are effective March 12, 2020 through December 31, 2022. We are evaluating the impact of adopting the new guidance on the consolidated financial statements on an ongoing basis with no material expected impact at this time.

ASU 2020-08, Codification Improvements to Subtopic 310-20, Receivables – Nonrefundable Fees and Other Costs. The guidance in this ASU pertains to the shortened amortization period for certain purchased callable debt securities held at a premium, which premium is amortized to the earliest call date in accordance with ASC 310-20-25-33, and clarifies that an entity should reevaluate whether a callable debt security is within the scope of paragraph 310-20-25-33 for each reporting period. The amendments in this ASU are effective for fiscal years beginning after December 15, 2020. Early adoption is not permitted. We are evaluating the impact of adopting the new guidance on the consolidated financial statements.

Note 2 - Acquisitions

Acquisition of FCB Financial Holdings, Inc.

Effective January 1, 2019, Synovus completed its acquisition of all of the outstanding stock of FCB, a bank holding company based in Weston, Florida, for total consideration of $1.63 billion. Effective January 1, 2019, FCB's wholly-owned banking subsidiary, Florida Community Bank, National Association, merged into Synovus Bank. The acquisition of FCB expanded Synovus' presence in Florida and the Southeast, adding $9.29 billion in loans and $10.93 billion in deposits on the Acquisition Date. The acquisition of FCB constituted a business combination and was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations, with the valuation finalized as of December 31, 2019. The results of FCB's operations are included in Synovus' consolidated financial statements since the Acquisition Date.

During 2019, in connection with the FCB acquisition, Synovus incurred merger-related expense totaling $0.4 million and $57.5 million for the three and nine months ended September 30, 2019, respectively, primarily related to employment compensation agreements, severance, professional services, and contract termination charges.

See "Part II - Item 8. Financial Statements and Supplementary Data - Note 2 - Acquisitions" to the consolidated financial statements of Synovus' 2019 Form 10-K for additional information on Synovus' acquisition of FCB.

Acquisition of Global One

On October 1, 2016, Synovus completed its acquisition of all of the outstanding stock of Global One. Under the terms of the merger agreement, the purchase price included additional annual payments ("Earnout Payments") to Global One's former shareholders over a period not to extend beyond June 30, 2021, with amounts based on a percentage of "Global One Earnings," as defined in the merger agreement. The Earnout Payments consist of shares of Synovus common stock as well as a smaller cash consideration component. During the three months ended September 30, 2020, Synovus did not record any adjustments to the earnout liability and during the nine months ended September 30, 2020, Synovus recorded a $4.9 million increase to the earnout liability driven by increased earnings and earnings projections of Global One. The total fair value of the earnout liability at September 30, 2020 was $15.9 million.

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Note 3 - Investment Securities Available for Sale

The amortized cost, gross unrealized gains and losses, and estimated fair values of investment securities available for sale at September 30, 2020 and December 31, 2019 are summarized below.

	September 30, 2020
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	153,984		3,056		(426)		156,614
Mortgage-backed securities issued by U.S. Government agencies	1,132,816		2,655		(6,079)		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	4,402,051		138,611		(276)		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	1,331,011		18,495		(4,222)		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	334,463		19,694		—		354,157
State and municipal securities	500		1		—		501
Corporate debt securities and other debt securities	20,186		141		(390)		19,937
Total investment securities available for sale	$	7,395,265	$	182,653	$	(11,393)	$	7,566,525
	December 31, 2019
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	35,499		1,042		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	56,328		560		(72)		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	5,079,396		103,495		(2,076)		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	629,706		7,349		(204)		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	357,291		14,301		—		371,592
State and municipal securities	2,069		6		—		2,075
Asset-backed securities	323,237		4,315		(152)		327,400
Corporate debt securities and other debt securities	144,410		2,317		(2)		146,725
Total investment securities available for sale	$	6,647,791	$	133,385	$	(2,506)	$	6,778,670

At September 30, 2020 and December 31, 2019, investment securities with a carrying value of $2.34 billion and $1.71 billion, respectively, were pledged to secure certain deposits and other liabilities, as required by law or contractual agreements.

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Gross unrealized losses on investment securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2020 and December 31, 2019 are presented below.

	September 30, 2020
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Government agency securities	$	48,921	$	(426)	$	—	$	—	$	48,921	$	(426)
Mortgage-backed securities issued by U.S. Government agencies	800,908		(6,079)		—		—		800,908		(6,079)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	180,899		(276)		—		—		180,899		(276)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	609,208		(4,222)		—		—		609,208		(4,222)
Corporate debt securities and other debt securities	11,115		(390)		—		—		11,115		(390)
Total	$	1,651,051	$	(11,393)	$	—	$	—	$	1,651,051	$	(11,393)
	December 31, 2019
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Mortgage-backed securities issued by U.S. Government agencies	$	19,543	$	(70)	$	355	$	(2)	$	19,898	$	(72)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	768,040		(2,076)		—		—		768,040		(2,076)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	57,670		(204)		—		—		57,670		(204)
Asset-backed securities	37,156		(116)		4,954		(36)		42,110		(152)
Corporate debt securities and other debt securities	9,505		(2)		—		—		9,505		(2)
Total	$	891,914	$	(2,468)	$	5,309	$	(38)	$	897,223	$	(2,506)

As of September 30, 2020, Synovus had 28 investment securities in a loss position for less than twelve months and no investment securities in a loss position for twelve months or longer. At December 31, 2019, Synovus had 26 investment securities in a loss position for less than twelve months and 5 investment securities in a loss position for twelve months or longer. Synovus does not intend to sell investment securities in an unrealized loss position prior to the recovery of the unrealized loss, which may not be until maturity, and has the ability and intent to hold those securities for that period of time. Additionally, Synovus is not currently aware of any circumstances which will require it to sell any of the securities that are in an unrealized loss position prior to the respective securities' recovery of all such unrealized losses. As such, no write-downs to the amortized cost basis of the portfolio were recorded in the current period. During the latter part of the second quarter of 2020, as part of an overall strategic repositioning of the investment securities portfolio, Synovus realized net gains of $69.4 million from sales of investment securities, including losses of $5.7 million related to the sale of Synovus' remaining portfolio of asset-backed securities.

At September 30, 2020, no ACL was established for investment securities. Substantially all of the unrealized losses on the securities portfolio were the result of changes in market interest rates compared to the date the securities were acquired rather than the credit quality of the issuers or underlying loans.

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The amortized cost and fair value by contractual maturity of investment securities available for sale at September 30, 2020 are shown below. The expected life of MBSs or CMOs may differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. For purposes of the maturity table, MBSs and CMOs, which are not due at a single maturity date, have been classified based on the final contractual maturity date.

	Distribution of Maturities at September 30, 2020
(in thousands)	Within One Year		1 to 5 Years		5 to 10 Years		More Than 10 Years		Total
Amortized Cost
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	430		26,432		127,122		—		153,984
Mortgage-backed securities issued by U.S. Government agencies	—		1,585		311		1,130,920		1,132,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		310		73,420		4,328,321		4,402,051
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		248		1,330,763		1,331,011
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		109,731		112,089		112,643		334,463
State and municipal securities	—		—		—		500		500
Corporate debt securities and other debt securities	—		9,505		8,681		2,000		20,186
Total amortized cost	$	20,684	$	147,563	$	321,871	$	6,905,147	$	7,395,265
Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	438		26,243		129,933		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,641		324		1,127,427		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		319		76,148		4,463,919		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		259		1,345,025		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		116,705		118,468		118,984		354,157
State and municipal securities	—		—		—		501		501
Corporate debt securities and other debt securities	—		9,315		8,822		1,800		19,937
Total fair value	$	20,692	$	154,223	$	333,954	$	7,057,656	$	7,566,525

Proceeds from sales, gross gains, and gross losses on sales of securities available for sale for the three and nine months ended September 30, 2020 and 2019 are presented below. The specific identification method is used to reclassify gains and losses out of other comprehensive income at the time of sale.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Proceeds from sales of investment securities available for sale	$	1,249,507	$	709,464	$	3,932,368	$	2,456,137
Gross realized gains on sales	—		140		83,840		9,270
Gross realized losses on sales(1)	(1,550)		(3,871)		(7,246)		(14,772)
Investment securities gains (losses), net	$	(1,550)	$	(3,731)	$	76,594	$	(5,502)

(1)    Losses recognized during 2020 primarily relate to the sale of Synovus' remaining portfolio of asset-backed securities during the second quarter of 2020. Additionally, losses include an $802 thousand third quarter 2020 settlement adjustment to the gain recognized on second quarter 2020 securities sales.

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Note 4 - Loans and Allowance for Loan Losses

Aging and Non-Accrual Analysis

The following tables provide a summary of current, accruing past due, and non-accrual loans by portfolio class as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual with an ALL		Non-accrual without an ALL		Total
Commercial, financial and agricultural	$	13,009,877	$	13,967	$	829	$	14,796	$	67,415	$	27,950	$	13,120,038
Owner-occupied	6,869,346		4,131		375		4,506		10,623		9,638		6,894,113
Total commercial and industrial	19,879,223		18,098		1,204		19,302		78,038		37,588		20,014,151
Investment properties	9,628,029		5,620		538		6,158		28,260		—		9,662,447
1-4 family properties	649,225		2,092		350		2,442		2,135		1,236		655,038
Land and development	645,148		583		268		851		2,126		265		648,390
Total commercial real estate	10,922,402		8,295		1,156		9,451		32,521		1,501		10,965,875
Consumer mortgages	5,643,745		6,475		872		7,347		7,433		—		5,658,525
Home equity lines	1,601,705		3,176		29		3,205		10,297		—		1,615,207
Credit cards	259,262		1,894		3,673		5,567		—		—		264,829
Other consumer loans	1,116,334		11,866		578		12,444		1,459		—		1,130,237
Total consumer	8,621,046		23,411		5,152		28,563		19,189		—		8,668,798
Total loans	$	39,422,671	$	49,804	$	7,512	$	57,316	$	129,748	$	39,089	$	39,648,824	(1)

	December 31, 2019
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual		ASC 310-30 Loans(2)		Total
Commercial, financial and agricultural	$	9,124,285	$	38,916	$	1,206	$	40,122	$	56,017	$	1,019,135	$	10,239,559
Owner-occupied	5,691,095		5,164		576		5,740		9,780		823,196		6,529,811
Total commercial and industrial	14,815,380		44,080		1,782		45,862		65,797		1,842,331		16,769,370
Investment properties	7,264,794		1,344		—		1,344		1,581		1,736,608		9,004,327
1-4 family properties	733,984		2,073		304		2,377		2,253		41,401		780,015
Land and development	629,363		808		—		808		1,110		78,161		709,442
Total commercial real estate	8,628,141		4,225		304		4,529		4,944		1,856,170		10,493,784
Consumer mortgages	3,681,553		4,223		730		4,953		11,369		1,848,493		5,546,368
Home equity lines	1,691,759		7,038		171		7,209		12,034		2,155		1,713,157
Credit cards	263,065		3,076		2,700		5,776		—		—		268,841
Other consumer loans	2,363,101		18,688		616		19,304		5,704		8,185		2,396,294
Total consumer	7,999,478		33,025		4,217		37,242		29,107		1,858,833		9,924,660
Total loans	$	31,442,999	$	81,330	$	6,303	$	87,633	$	99,848	$	5,557,334	$	37,187,814	(3)

(1)    Total before net deferred fees and costs of $99.0 million.

(2)    Represents loans (at fair value) acquired from FCB accounted for under ASC 310-30, net of discount of $90.3 million and payments since Acquisition Date and also include $1.8 million in non-accrual loans, $9.6 million in accruing 90 days or greater past due loans, and $26.5 million in 30-89 days past due loans.

(3)    Total before net deferred fees and costs of $25.4 million.

Interest income on non-accrual loans outstanding that would have been recorded if the loans had been current and performing in accordance with their original terms was $4.3 million and $2.5 million for the three months ended September 30, 2020 and 2019, respectively, and $9.2 million and $8.0 million for the nine months ended September 30, 2020 and 2019,

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respectively. Of the interest income recognized during the three months ended September 30, 2020 and 2019, cash-basis interest income was $1.3 million and $363 thousand, respectively. Cash-basis interest income was $2.7 million and $2.0 million for the nine months ended September 30, 2020 and 2019, respectively.

Pledged Loans

Loans with carrying values of $15.29 billion and $12.11 billion, respectively, were pledged as collateral for borrowings and capacity at September 30, 2020 and December 31, 2019, respectively, to the FHLB and Federal Reserve Bank.

Portfolio Segment Risk Factors

The risk characteristics and collateral information of each portfolio segment are as follows:

Commercial and Industrial Loans - The C&I loan portfolio is comprised of general middle market and commercial banking clients across a diverse set of industries. In accordance with Synovus' lending policy, each loan undergoes a detailed underwriting process which incorporates uniform underwriting standards and oversight in proportion to the size and complexity of the lending relationship. These loans are secured by collateral such as business equipment, inventory, and real estate. Whether for real estate or non-real estate purpose, credit decisions on loans in the C&I portfolio are based on cash flow from the operations of the business as the primary source of repayment of the debt, with underlying real estate or other collateral being the secondary source of repayment. PPP loans, which are categorized as C&I loans, were $2.71 billion net of unearned fees at September 30, 2020 and are guaranteed by the SBA.

Commercial Real Estate Loans - CRE loans primarily consist of income-producing investment properties loans. Additionally, CRE loans include 1-4 family properties loans as well as land and development loans. Investment properties loans consist of construction and mortgage loans for income-producing properties and are primarily made to finance multi-family properties, hotels, office buildings, shopping centers, warehouses and other commercial development properties. 1-4 family properties loans include construction loans to homebuilders and commercial mortgage loans related to 1-4 family rental properties and are almost always secured by the underlying property being financed by such loans. These properties are primarily located in the markets served by Synovus. Land and development loans include commercial and residential development as well as land acquisition loans and are secured by land held for future development, typically in excess of one year. Properties securing these loans are substantially within markets served by Synovus, and loan terms generally include personal guarantees from the principals. Loans in this portfolio are underwritten based on the LTV of the collateral and the capacity of the guarantor(s).

Consumer Loans - The consumer loan portfolio consists of a wide variety of loan products offered through Synovus' banking network including first and second residential mortgages, HELOCs, and credit card loans, as well as home improvement loans, student, and personal loans from third-party lending partnerships. The majority of Synovus' consumer loans are consumer mortgages and HELOCs secured by first and second liens on residential real estate primarily located in the markets served by Synovus. The primary source of repayment for all consumer loans is generally the personal income of the borrower(s).

Credit Quality Indicators

The credit quality of the loan portfolio is reviewed and updated no less frequently than quarterly using the standard asset classification system utilized by the federal banking agencies. These classifications are divided into three groups: Not Criticized (Pass), Special Mention, and Classified or Adverse rating (Substandard, Doubtful, and Loss) and are defined as follows:

Pass - loans which are well protected by the current net worth and paying capacity of the obligor (or guarantors, if any) or by the fair value, less cost to acquire and sell in a timely manner, of any underlying collateral.

Special Mention - loans which have potential weaknesses that deserve management's close attention. These loans are not adversely classified and do not expose an institution to sufficient risk to warrant an adverse classification.

Substandard - loans which are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged, if any. Loans with this classification are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

Doubtful - loans which have all the weaknesses inherent in loans classified as Substandard with the added characteristic that the weaknesses make collection or liquidation in full highly questionable and improbable on the basis of currently known facts, conditions, and values.

Loss - loans which are considered by management to be uncollectible and of such little value that their continuance on the institution's books as an asset, without establishment of a specific valuation allowance or charge-off, is not warranted. Synovus fully reserves for any loans rated as Loss.

In the following tables, consumer loans are generally assigned a risk grade similar to the classifications described above; however, upon reaching 90 days and 120 days past due, they are generally downgraded to Substandard and Loss, respectively, in accordance with the FFIEC Retail Credit Classification Policy. Additionally, in accordance with Interagency Supervisory

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Guidance, the risk grade classifications of consumer loans (consumer mortgages and HELOCs) secured by junior liens on 1-4 family residential properties also consider available information on the payment status of any associated senior liens with other financial institutions.

The following table summarizes each loan portfolio class by risk grade and origination year as of September 30, 2020 as required under CECL.

	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Commercial, financial and agricultural
Pass	$	4,056,896	$	1,429,402	$	974,892	$	667,989	$	566,178	$	815,006	$	4,049,741	$	60,299	$	12,620,403
Special Mention	49,283		39,929		21,599		33,376		8,404		7,986		63,455		506		224,538
Substandard(1)	27,247		12,646		14,879		36,007		12,373		40,342		102,364		516		246,374
Doubtful(2)	—		3,721		19,778		186		915		91		4,032		—		28,723
Total commercial, financial and agricultural	4,133,426		1,485,698		1,031,148		737,558		587,870		863,425		4,219,592		61,321		13,120,038
Owner-occupied
Pass	953,513		1,189,845		1,212,541		1,032,744		643,841		1,338,513		328,656		—		6,699,653
Special Mention	3,029		19,004		18,746		11,767		3,604		7,278		—		—		63,428
Substandard(1)	1,788		14,686		36,319		29,794		6,521		32,286		—		—		121,394
Doubtful(2)	—		—		9,638		—		—		—		—		—		9,638
Total owner-occupied	958,330		1,223,535		1,277,244		1,074,305		653,966		1,378,077		328,656		—		6,894,113
Total commercial and industrial	5,091,756		2,709,233		2,308,392		1,811,863		1,241,836		2,241,502		4,548,248		61,321		20,014,151
Investment properties
Pass	784,989		2,241,547		2,193,526		1,376,648		606,029		1,404,524		239,503		—		8,846,766
Special Mention	1,222		66,438		147,928		141,036		166,053		129,887		30,206		—		682,770
Substandard(1)	812		2,655		24,965		14,927		821		88,693		38		—		132,911
Total investment properties	787,023		2,310,640		2,366,419		1,532,611		772,903		1,623,104		269,747		—		9,662,447
1-4 family properties
Pass	139,919		125,473		80,610		94,889		49,122		100,984		49,594		—		640,591
Special Mention	419		—		524		111		800		120		—		—		1,974
Substandard(1)	1,514		1,517		3,837		1,038		489		2,560		1,518		—		12,473
Total 1-4 family properties	141,852		126,990		84,971		96,038		50,411		103,664		51,112		—		655,038

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	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Land and development
Pass	$	56,935	$	204,012	$	91,630	$	106,490	$	12,564	$	90,474	$	58,092	$	—	$	620,197
Special Mention	—		2,172		4,277		5,784		—		1,828		3,550		—		17,611
Substandard(1)	1,627		1,104		4,675		1,085		527		1,564		—		—		10,582
Total land and development	58,562		207,288		100,582		113,359		13,091		93,866		61,642		—		648,390
Total commercial real estate	987,437		2,644,918		2,551,972		1,742,008		836,405		1,820,634		382,501		—		10,965,875
Consumer mortgages
Pass	1,579,366		964,882		481,718		764,384		755,595		1,102,091		1,005		—		5,649,041
Substandard(1)	49		197		777		805		2,412		5,170		—		—		9,410
Loss(3)	—		—		—		—		—		74		—		—		74
Total consumer mortgages	1,579,415		965,079		482,495		765,189		758,007		1,107,335		1,005		—		5,658,525
Home equity lines
Pass	—		—		—		—		—		—		1,513,600		86,404		1,600,004
Substandard(1)	—		—		—		—		—		—		8,603		5,173		13,776
Doubtful(2)	—		—		—		—		—		—		—		19		19
Loss(3)	—		—		—		—		—		—		1,243		165		1,408
Total home equity lines	—		—		—		—		—		—		1,523,446		91,761		1,615,207
Credit cards
Pass	—		—		—		—		—		—		261,207		—		261,207
Substandard(1)	—		—		—		—		—		—		828		—		828
Loss(4)	—		—		—		—		—		—		2,794		—		2,794
Total credit cards	—		—		—		—		—		—		264,829		—		264,829
Other consumer loans
Pass	136,944		229,039		142,260		161,717		112,805		76,244		268,840		—		1,127,849
Substandard(1)	—		720		163		474		64		714		253		—		2,388
Total other consumer loans	136,944		229,759		142,423		162,191		112,869		76,958		269,093		—		1,130,237
Total consumer	1,716,359		1,194,838		624,918		927,380		870,876		1,184,293		2,058,373		91,761		8,668,798
Total loans(5)	$	7,795,552	$	6,548,989	$	5,485,282	$	4,481,251	$	2,949,117	$	5,246,429	$	6,989,122	$	153,082	$	39,648,824

(1)    The majority of loans within Substandard risk grade are accruing loans at September 30, 2020.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $99.0 million.

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The following table summarizes each loan portfolio class by risk grade as of December 31, 2019.

	December 31, 2019
(in thousands)	Pass		Special Mention		Substandard(1)		Doubtful(2)		Loss(3)			Total
Commercial, financial and agricultural	$	9,927,059	$	128,506	$	182,831	$	1,163	$	—		$	10,239,559
Owner-occupied	6,386,055		58,330		85,426		—		—			6,529,811
Total commercial and industrial	16,313,114		186,836		268,257		1,163		—			16,769,370
Investment properties	8,930,360		16,490		57,477		—		—			9,004,327
1-4 family properties	766,529		3,249		10,237		—		—			780,015
Land and development	681,003		18,643		9,796		—		—			709,442
Total commercial real estate	10,377,892		38,382		77,510		—		—			10,493,784
Consumer mortgages	5,527,746		—		18,376		97		149			5,546,368
Home equity lines	1,697,086		—		14,806		21		1,244			1,713,157
Credit cards	266,146		—		818		—		1,877		(4)	268,841
Other consumer loans	2,390,199		—		6,095		—		—			2,396,294
Total consumer	9,881,177		—		40,095		118		3,270			9,924,660
Total loans(5)	$	36,572,183	$	225,218	$	385,862	$	1,281	$	3,270		$	37,187,814

(1)    The majority of loans within Substandard risk grade are accruing loans at December 31, 2019.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $25.4 million.

Collateral-Dependent Loans

We classify a loan as collateral-dependent when our borrower is experiencing financial difficulty, and we expect repayment to be provided substantially through the operation or sale of collateral. Our commercial loans have collateral that is comprised of real estate and business assets. Our consumer loans have collateral that is substantially comprised of residential real estate.

There were no significant changes in the extent to which collateral secures our collateral-dependent loans during the three and nine months ended September 30, 2020.

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Rollforward of Allowance for Loan Losses

The following tables detail the changes in the ALL by loan segment for the three and nine months ended September 30, 2020 and 2019. Additionally, during the three and nine months ended September 30, 2020, Synovus reversed $6.1 million and $19.4 million, respectively, in previously established reserves for credit losses associated with the transfer to held for sale of $513.2 million and $1.31 billion, respectively, in performing loans primarily related to third-party single-service consumer loans and non-relationship consumer mortgages.

	As Of and For the Three Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	229,915	$	171,526	$	187,207	$	588,648
Charge-offs	(19,367)		(6,878)		(9,101)		(35,346)
Recoveries	3,796		1,225		1,859		6,880
Provision for (reversal of) loan losses	46,256		(22,068)		19,430		43,618
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Three Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	138,004	$	63,463	$	55,909	$	257,376
Charge-offs	(15,425)		(3,275)		(6,026)		(24,726)
Recoveries	2,276		1,490		1,035		4,801
Provision for loan losses	17,156		280		10,126		27,562
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013
	As Of and For the Nine Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance, prior to adoption of ASU 2016-13	$	145,782	$	67,430	$	68,190	$	281,402
Impact from adoption of ASU 2016-13	(2,310)		(651)		85,955		82,994
Charge-offs	(57,497)		(8,585)		(23,917)		(89,999)
Recoveries	8,798		2,160		6,468		17,426
Provision for loan losses	165,827		83,451		62,699		311,977
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Nine Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	133,123	$	68,796	$	48,636	$	250,555
Charge-offs	(39,558)		(5,369)		(17,363)		(62,290)
Recoveries	6,087		3,788		3,623		13,498
Provision for (reversal of) loan losses	42,359		(5,257)		26,148		63,250
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013

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The ALL of $603.8 million and the reserve for unfunded commitments of $60.8 million, which is recorded in other liabilities, comprise the total ACL of $664.6 million at September 30, 2020. The ACL increased during the third quarter of 2020 by $14.9 million to $664.6 million as of September 30, 2020. Since the adoption of CECL on January 1, 2020, the ACL has increased $271.4 million due primarily to uncertainty and deterioration in the economic environment caused by the COVID-19 pandemic. Provision for credit losses (which includes the provision for loan losses and unfunded commitments) of $43.4 million for the three months ended September 30, 2020 included net charge-offs of $28.5 million and the impact of downgrades largely concentrated in the hotel portfolio, which were mostly offset by improvement in the economic forecast which included adjustments for the estimated impact of currently enacted government stimulus plans, as well as reserve releases from loan dispositions. Provision for credit losses of $344.0 million for the nine months ended September 30, 2020, resulted in the building of the ACL required under CECL primarily as a result of deterioration in the economic environment due to the impact of COVID-19.

Our modeling process incorporates quantitative and qualitative considerations that are used to inform CECL estimates. The internally developed economic forecast used to determine the ACL as of September 30, 2020 was approved late in the third quarter of 2020 pursuant to Synovus' economic forecasting governance processes. The modeling assumptions for the third quarter of 2020 included adjustments for the estimated impact of currently enacted government stimulus plans and an unemployment rate ending the 2020 year around 8% before declining modestly in 2021. This, along with credit migration and other loan portfolio activity, resulted in an increase of the ACL to loans coverage ratio during the quarter of 5 bps to 1.68%, or 1.80% excluding PPP loans, at September 30, 2020.

Significant economic uncertainty remains as a result of the continuing COVID-19 crisis, and the trajectory of the economic recovery including any additional government stimulus plans will impact subsequent period CECL reserves.

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TDRs

Information about Synovus' TDRs is presented in the following tables. Synovus began entering into loan modifications with borrowers in response to the COVID-19 pandemic, which have not been classified as TDRs, and therefore are not included in the discussion below. See "Part I-Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report for more information on Synovus' loan modifications due to COVID-19. The following tables represent, by concession type, the post-modification balance for loans modified or renewed during the three and nine months ended September 30, 2020 and 2019 that were reported as accruing or non-accruing TDRs.

TDRs by Concession Type
	Three Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	42	$	3,335	$	670	$	4,005
Owner-occupied	7	1,753		—		1,753
Total commercial and industrial	49	5,088		670		5,758
Investment properties	2	294		93		387
1-4 family properties	5	74		114		188
Land and development	1	40		—		40
Total commercial real estate	8	408		207		615
Consumer mortgages	3	496		23		519
Home equity lines	17	471		648		1,119
Other consumer loans	3	48		85		133
Total consumer	23	1,015		756		1,771
Total TDRs	80	$	6,511	$	1,633	$	8,144	(2)
	Three Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	27	$	2,577	$	1,917	$	4,494
Owner-occupied	7	2,822		861		3,683
Total commercial and industrial	34	5,399		2,778		8,177
Investment properties	4	385		—		385
1-4 family properties	4	766		—		766
Land and development	1	473		—		473
Total commercial real estate	9	1,624		—		1,624
Consumer mortgages	10	1,008		118		1,126
Home equity lines	25	364		1,635		1,999
Other consumer loans	27	473		1,222		1,695
Total consumer	62	1,845		2,975		4,820
Total TDRs	105	$	8,868	$	5,753	$	14,621	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the three months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the three months ended September 30, 2020.

(3)    No net charge-offs were recorded during the three months ended September 30, 2019.

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	Nine Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	118	$	8,562	$	4,681	$	13,243
Owner-occupied	19	3,573		1,530		5,103
Total commercial and industrial	137	12,135		6,211		18,346
Investment properties	6	28,963		93		29,056
1-4 family properties	15	867		1,105		1,972
Land and development	3	581		—		581
Total commercial real estate	24	30,411		1,198		31,609
Consumer mortgages	19	1,568		2,589		4,157
Home equity lines	50	926		2,530		3,456
Other consumer loans	50	145		2,779		2,924
Total consumer	119	2,639		7,898		10,537
Total TDRs	280	$	45,185	$	15,307	$	60,492	(2)
	Nine Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	61	$	5,703	$	4,404	$	10,107
Owner-occupied	13	4,854		861		5,715
Total commercial and industrial	74	10,557		5,265		15,822
Investment properties	6	1,048		—		1,048
1-4 family properties	14	2,072		—		2,072
Land and development	3	641		—		641
Total commercial real estate	23	3,761		—		3,761
Consumer mortgages	15	1,245		1,332		2,577
Home equity lines	50	2,686		1,740		4,426
Other consumer loans	79	1,167		3,599		4,766
Total consumer	144	5,098		6,671		11,769
Total TDRs	241	$	19,416	$	11,936	$	31,352	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the nine months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the nine months ended September 30, 2020.

(3)    No net charge-offs were recorded during the nine months ended September 30, 2019.

For the three and nine months ended September 30, 2020 there was one default with a recorded investment of $21 thousand and five defaults with a recorded investment of $666 thousand, respectively, on accruing TDRs restructured during the previous twelve months (defaults are defined as the earlier of the TDR being placed on non-accrual status or reaching 90 days past due with respect to principal and/or interest payments) compared to three defaults with a recorded investment of $321 thousand and four defaults with a recorded investment of $326 thousand for the three and nine months ended September 30, 2019, respectively. As of September 30, 2020 and December 31, 2019, there were no commitments to lend a material amount of additional funds to any customer whose loan was classified as a TDR.

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Note 5 - Goodwill and Other Intangible Assets

Goodwill allocated to each reporting unit at September 30, 2020 and December 31, 2019 is presented as follows (the FMS reportable segment includes two reporting units of Consumer Mortgage and Wealth Management):

(in thousands)	Community Banking Reporting Unit		Wholesale Banking Reporting Unit		Consumer Mortgage Reporting Unit		Wealth Management Reporting Unit		Total
Balance as of December 31, 2019	$	256,323	$	171,636	$	44,877	$	24,431	$	497,267
Goodwill impairment	—		—		(44,877)		—		(44,877)
Balance as of September 30, 2020	$	256,323	$	171,636	$	—	$	24,431	$	452,390

Goodwill is evaluated for impairment on an annual basis or whenever an event occurs or circumstances change to indicate that it is more likely than not that an impairment loss has been incurred (i.e., a triggering event). Synovus conducted a goodwill impairment assessment as of December 31, 2019, following Synovus' reorganization, applying ASC 350-20-35-3A Goodwill Subsequent Measurement - Qualitative Assessment Approach and concluded that goodwill was not impaired. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 19 -Segment Reporting" to the consolidated financial statements of Synovus' 2019 Form 10-K for information on Synovus' reorganization during 2019.

During 2020, Synovus performed interim goodwill impairment tests as of September 30, 2020, June 30, 2020 and March 31, 2020 based on quarterly assessments of triggering events that included Synovus' stock price trading below book value, an extremely low interest rate environment, as well as general recessionary economic conditions caused by the COVID-19 pandemic. Quantitative assessments of goodwill impairment include determining the estimated fair value of each reporting unit, utilizing a combination of discounted cash flow and market-based approaches, and comparing that fair value to each reporting unit's carrying amount. The discounted cash flow method included updated internal forecasts, long-term profitability targets, growth rates and discount rates. The market approach was based on a comparison of certain financial metrics of Synovus' reporting units to guideline public company peers. The income-based discounted cash flow approach was more heavily weighted (60%) than the market-based approach (40%) due to significant volatility in the market since the pandemic was declared a National Emergency.

Based on the assessment performed at September 30, 2020, Synovus recognized a $44.9 million goodwill impairment charge representing all goodwill allocated to the Consumer Mortgage reporting unit, while the fair values of the Community Banking, Wholesale Banking and Wealth Management reporting units continued to exceed the respective carrying values. The projected cash flows of the Consumer Mortgage reporting unit declined from the prior period valuations due to significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. The primarily fixed rate, longer duration nature of Synovus’ mortgage portfolio especially impacted the Consumer Mortgage reporting unit. In addition, the excess of fair value over the carrying amount for the Community Banking and Wholesale Banking reporting units was less than 10% at September 30, 2020.

Due to the high degree of subjectivity involved in estimating the fair value of Synovus' reporting units, a decline in Synovus' expected future cash flows or estimated growth rates due to further deterioration in the economic environment, or continued market capitalization of Synovus below book value, could result in an additional goodwill impairment charge that is material to Synovus' results from operations, but would not materially impact our financial condition.

The following table shows the gross carrying amount and accumulated amortization of other intangible assets as of September 30, 2020 and December 31, 2019, which primarily consist of core deposit intangible assets acquired in the FCB acquisition. The CDI is being amortized over its estimated useful life of approximately ten years utilizing an accelerated method. Aggregate other intangible assets amortization expense for the three and nine months ended September 30, 2020 was $2.6 million and $7.9 million, respectively. Aggregate other intangible assets amortization for the three and nine months ended September 30, 2019 was $2.9 million and $8.7 million, respectively.

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(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
September 30, 2020
CDI	$	57,400	$	(17,481)	$	39,919
Other	12,500		(4,667)		7,833
Total other intangible assets	$	69,900	$	(22,148)	$	47,752
December 31, 2019
CDI	$	57,400	$	(10,436)	$	46,964
Other	12,500		(3,793)		8,707
Total other intangible assets	$	69,900	$	(14,229)	$	55,671

Note 6 - Shareholders' Equity and Other Comprehensive Income (Loss)

Repurchases of Common Stock

During the three months ended September 30, 2020, Synovus did not repurchase any shares of its common stock. During the nine months ended September 30, 2020, Synovus repurchased $16.2 million, or 450 thousand shares of its common stock, at an average price of $36.08 per share, under the share repurchase program announced on January 24, 2020.

Dividends

The following table presents dividends declared related to common stock. For information related to preferred stock dividends, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 10 - Shareholders' Equity and Other Comprehensive Income" to the consolidated financial statements of Synovus' 2019 Form 10-K.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cash dividends declared per share	$	0.33	$	0.30	$	0.99	$	0.90

Equity-Based Compensation Plans

The following tables summarize the status of Synovus' stock options, restricted share units, market restricted share units, and performance share units as of September 30, 2020 and activity for the nine months ended September 30, 2020.

	Stock Options
(in thousands, except per share amounts)	Quantity	Weighted-Average Exercise Price Per Share
Outstanding at January 1, 2020	3,037	$	22.74
Exercised	(239)	28.28
Expired/canceled	(64)	29.75
Outstanding at September 30, 2020	2,734	$	22.09

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	RSUs, MRSUs, and PSUs
(in thousands, except per share amounts)	Quantity	Weighted-Average Grant Date Fair Value Per Share
Non-vested at January 1, 2020	1,312	$	39.28
Granted	893	32.91
Quantity change based on TSR and performance factors	44	35.11
Dividend equivalents granted	56	33.50
Vested	(590)	38.85
Forfeited	(58)	36.22
Non-vested at September 30, 2020	1,657	$	35.80

Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)

The following tables illustrate activity within the balances in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2020 and 2019.

Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)
(in thousands)	Net unrealized gains (losses) on investment securities available for sale(1)		Net unrealized gains (losses) on cash flow hedges(1)		Post-retirement unfunded health benefit		Total
Balance, July 1, 2020	$	134,245	$	68,263	$	462	$	202,970
Other comprehensive income (loss) before reclassifications	(21,806)		(6,635)		—		(28,441)
Amounts reclassified from AOCI	1,149		(764)		—		385
Net current period other comprehensive income (loss)	(20,657)		(7,399)		—		(28,056)
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, July 1, 2019	$	60,586	$	(12,137)	$	840	$	49,289
Other comprehensive income (loss) before reclassifications	25,133		(876)		(378)		23,879
Amounts reclassified from AOCI	2,765		—		—		2,765
Net current period other comprehensive income (loss)	27,898		(876)		(378)		26,644
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933
Balance, January 1, 2020	$	83,666	$	(18,487)	$	462	$	65,641
Other comprehensive income (loss) before reclassifications	86,678		80,404		—		167,082
Amounts reclassified from AOCI	(56,756)		(1,053)		—		(57,809)
Net current period other comprehensive income (loss)	29,922		79,351		—		109,273
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, January 1, 2019	$	(83,179)	$	(12,137)	$	896	$	(94,420)
Other comprehensive income (loss) before reclassifications	167,586		(876)		(378)		166,332
Amounts reclassified from AOCI	4,077		—		(56)		4,021
Net current period other comprehensive income (loss)	171,663		(876)		(434)		170,353
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933

(1)    For all periods presented, the ending balance in net unrealized gains (losses) on cash flow hedges and investment securities available for sale includes unrealized losses of $12.1 million and $13.3 million, respectively, related to residual tax effects remaining in OCI due to previously established deferred tax asset valuation allowances in 2010 and 2011. In accordance with ASC 740-20-45-11(b), under the portfolio approach, these unrealized losses are realized at the time the entire portfolio is sold or disposed.

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Note 7 - Fair Value Accounting

Fair value accounting guidance defines fair value as the exchange price that would be received to sell an asset or paid to transfer a liability (an "exit price") in the principal or most advantageous market available to the entity in an orderly transaction between market participants, on the measurement date. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" of Synovus' 2019 Form 10-K for a description of how fair value measurements are determined.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present all financial instruments measured at fair value on a recurring basis as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Mortgage-backed securities issued by U.S. Government agencies	$	—	$	18	$	—	$	18
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	—		604		—		604
Other mortgage-backed securities	—		673		—		673
State and municipal securities	—		579		—		579
Asset-backed securities	—		2,497		—		2,497
Total trading securities	$	—	$	4,371	$	—	$	4,371
Investment securities available for sale:
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	—		156,614		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,129,392		—		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		4,540,386		—		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		1,345,284		—		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		354,157		—		354,157
State and municipal securities	—		501		—		501
Corporate debt securities and other debt securities	—		18,137		1,800		19,937
Total investment securities available for sale	$	20,254	$	7,544,471	$	1,800	$	7,566,525
Mortgage loans held for sale	—		285,899		—		285,899
Private equity investments	—		—		958		958
Mutual funds and mutual funds held in rabbi trusts	35,174		—		—		35,174
GGL/SBA loans servicing asset	—		—		3,100		3,100
Derivative assets	—		463,028		—		463,028
Liabilities
Earnout liability	$	—	$	—	$	15,924	$	15,924
Derivative liabilities	—		178,508		1,460		179,968

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	December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	$	—	$	2,486	$	—	$	2,486
Other mortgage-backed securities	—		1,284		—		1,284
State and municipal securities	—		65		—		65
Asset-backed securities	—		3,227		—		3,227
Other investments	—		150		—		150
Total trading securities	$	—	$	7,212	$	—	$	7,212
Investment securities available for sale:
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	—		36,541		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	—		56,816		—		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		5,180,815		—		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		636,851		—		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		371,592		—		371,592
State and municipal securities	—		2,075		—		2,075
Asset-backed securities	—		327,400		—		327,400
Corporate debt securities and other debt securities	—		144,620		2,105		146,725
Total investment securities available for sale	$	19,855	$	6,756,710	$	2,105	$	6,778,670
Mortgage loans held for sale	—		115,173		—		115,173
Private equity investments	15,502		—		3,887		19,389
Mutual funds and mutual funds held in rabbi trusts	32,348		—		—		32,348
GGL/SBA loans servicing asset	—		—		3,040		3,040
Derivative assets	—		140,016		—		140,016
Liabilities
Trading liability for short positions	$	1,560	$	—	$	—	$	1,560
Earnout liability	—		—		11,016		11,016
Derivative liabilities	—		34,732		2,339		37,071

Fair Value Option

Synovus has elected the fair value option for mortgage loans held for sale primarily to ease the operational burden required to maintain hedge accounting for these loans. Synovus is still able to achieve effective economic hedges on mortgage loans held for sale without the time and expense needed to manage a hedge accounting program.

The following table summarizes the difference between the fair value and the UPB of mortgage loans held for sale and the changes in fair value of these loans. An immaterial portion of these changes in fair value was attributable to changes in instrument-specific credit risk.

Mortgage Loans Held for Sale
(in thousands)	As of September 30, 2020		As of December 31, 2019
Fair value	$	285,899	$	115,173
Unpaid principal balance	276,709		112,218
Fair value less aggregate unpaid principal balance	$	9,190	$	2,955

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Changes in Fair Value Included in Net Income
	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Mortgage loans held for sale	$	251	$	892	$	6,235	$	1,593

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

During the three and nine months ended September 30, 2020, Synovus did not have any transfers in or out of Level 3 in the fair value hierarchy. During the nine months ended September 30, 2019, Synovus had transfers out of Level 3 into Level 1 in the fair value hierarchy as certain funds within private equity investments became public with traded securities.

	Three Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2020	$	1,662	$	698	$	3,019	$	(15,924)	$	(1,755)
Total gains (losses) realized/unrealized:
Included in earnings	—		260		(187)		—		—
Unrealized gains (losses) included in OCI	138		—		—		—		—
Additions	—		—		268		—		—
Settlements	—		—		—		—		295
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	260	$	—	$	—	$	—
	Three Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2019	$	2,017	$	13,341	$	3,326	$	(14,353)	$	(1,049)
Total gains (losses) realized/unrealized:
Included in earnings	—		1,194		(298)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	(26)		—		—		—		—
Additions	—		—		322		—		—
Settlements	—		(3,246)		—		—		214
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2019	$	—	$	777	$	—	$	(10,457)	$	(2,500)

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	Nine Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2020	$	2,105	$	3,887	$	3,040	$	(11,016)	$	(2,339)
Total gains (losses) realized/unrealized:
Included in earnings			(2,929)		(742)		(4,908)		—
Unrealized gains (losses) included in OCI	(305)		—		—		—		—
Additions	—		—		802		—		—
Settlements	—		—		—		—		879
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	(2,929)	$	—	$	(4,908)	$	—
	Nine Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2019	$	1,785	$	11,028	$	3,729	$	(14,353)	$	(1,673)
Total (losses) gains realized/unrealized:
Included in earnings	—		3,507		(1,091)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	206		—		—		—		—
Additions	—		—		712		—		—
Settlements	—		(3,246)		—		—		838
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held at September 30, 2019	$	—	$	3,090	$	—	$	(10,457)	$	(2,500)

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The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a recurring basis. The range of sensitivities that management utilized in its fair value calculations is deemed acceptable in the industry with respect to the identified financial instruments.

			September 30, 2020
(dollars in thousands)	Valuation Technique	Significant Unobservable Input	Level 3 Fair Value	Rate/Range
Assets measured at fair value on a recurring basis
Investment Securities Available for Sale - Corporate debt and other debt securities - trust preferred security	Discounted cash flow analysis	Discount rate Forecasted average Prime reset rate	$1,800	5.83% 3.79%
Private equity investments	Individual analysis of each investee company	Multiple factors, including but not limited to, current operations, financial condition, cash flows, evaluation of business management and financial plans, and recently executed financing transactions related to the investee companies	$958	N/A
GGL/SBA loans servicing asset	Discounted cash flow analysis	Discount rate Prepayment speeds	$3,100	9.68% 19.20%
Earnout liability	Option pricing methods and Monte Carlo simulation	Financial projections of Global One	$15,924	N/A
Visa derivative liability	Discounted cash flow analysis	Estimated timing of resolution of Covered Litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation	$1,460	0-1.2 years (4Q 2021)

Assets Measured at Fair Value on a Non-recurring Basis

Certain assets are required to be measured at fair value on a nonrecurring basis subsequent to their initial recognition. These assets and liabilities are not measured at fair value on an ongoing basis; however, they are subject to fair value adjustments in certain circumstances, such as when there is evidence of impairment. The following table presents assets measured at fair value on a non-recurring basis as of the dates indicated for which there was a fair value adjustment.

	September 30, 2020								December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Loans(1)	$	—	$	—	$	27,440	$	27,440	$	—	$	—	$	1,461	$	1,461
Other real estate	—		—		1,750		1,750		—		—		8,023		8,023
MPS receivable	—		—		17,915		17,915		—		—		21,437		21,437
Other assets held for sale	—		—		1,634		1,634		—		—		1,238		1,238

(1)    Collateral-dependent loans that were written down to fair value of collateral.

ORE properties are included in other assets on the consolidated balance sheets. The carrying value of ORE at September 30, 2020 and December 31, 2019 was $5.4 million and $14.4 million, respectively.

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The following table presents fair value adjustments recognized in earnings for the three and nine months ended September 30, 2020 and 2019 for assets measured at fair value on a non-recurring basis still held at period-end.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Loans(1)	$	5,661	$	4,170	$	20,412	$	4,718
Other real estate	107		74		138		569
MPS receivable	—		—		2,663		—
Other assets held for sale	—		—		2,120		91

(1) Collateral-dependent loans that were written down to fair value of collateral.

The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a non-recurring basis.

			September 30, 2020
	Valuation Technique	Significant Unobservable Input	Range (Weighted Average)(1)
Assets measured at fair value on a non-recurring basis
Loans	Third-party appraised value of collateral less estimated selling costs	Discount to appraised value Estimated selling costs	0%-36% (28%) 0%-10% (7%)
Other real estate	Third-party appraised value of real estate less estimated selling costs	Discount to appraised value Estimated selling costs	0%-20% (10%) 0%-10% (7%)
MPS receivable(2)	Third-party appraised value of business less estimated selling costs	Discount to appraised value Estimated selling costs	N/A
Other assets held for sale	Third-party appraised value less estimated selling costs or BOV	Discount to appraised value Estimated selling costs	0%-66% (53%) 0%-10% (7%)

(1)    The weighted average is the measure of central tendencies; it is not the value that management is using for the asset or liability.

(2)    See "Part I - Item 1. Notes to Unaudited Interim Financial Statements - Note 10 - Commitments and Contingencies" of this Report for more information on this receivable which was classified as a NPA at September 30, 2020 and December 31, 2019.

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Fair Value of Financial Instruments

The following tables present the carrying and estimated fair values of financial instruments at September 30, 2020 and December 31, 2019. The fair values represent management’s best estimates based on a range of methodologies and assumptions. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for a description of how fair value measurements are determined.

	September 30, 2020
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,985,363	$	1,985,363	$	1,985,363	$	—	$	—
Trading securities	4,371		4,371		—		4,371		—
Investment securities available for sale	7,566,525		7,566,525		20,254		7,544,471		1,800
Loans held for sale	745,160		744,615		—		285,899		458,716
Private equity investments	958		958		—		—		958
Mutual funds and mutual funds held in rabbi trusts	35,174		35,174		35,174		—		—
Loans, net	38,946,047		38,923,265		—		—		38,923,265
GGL/SBA loans servicing asset	3,100		3,100		—		—		3,100
Derivative assets	463,028		463,028		—		463,028		—
Financial liabilities
Non-interest-bearing deposits	$	13,075,081	$	13,075,081	$	—	$	13,075,081	$	—
Non-time interest-bearing deposits	24,831,480		24,831,480		—		24,831,480		—
Time deposits	6,759,343		6,797,139		—		6,797,139		—
Total deposits	$	44,665,904	$	44,703,700	$	—	$	44,703,700	$	—
Federal funds purchased and securities sold under repurchase agreements	202,344		202,344		202,344		—		—
Other short-term borrowings	400,000		400,000		—		400,000		—
Long-term debt	1,628,385		1,687,448		—		1,687,448		—
Earnout liability	15,924		15,924		—		—		15,924
Derivative liabilities	179,968		179,968		—		178,508		1,460

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	December 31, 2019
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,186,918	$	1,186,918	$	1,186,918	$	—	$	—
Trading securities	7,212		7,212		—		7,212		—
Investment securities available for sale	6,778,670		6,778,670		19,855		6,756,710		2,105
Mortgage loans held for sale	115,173		115,173		—		115,173		—
Private equity investments	19,389		19,389		15,502		—		3,887
Mutual funds and mutual funds held in rabbi trusts	32,348		32,348		32,348		—		—
Loans, net	36,881,048		36,931,256		—		—		36,931,256
GGL/SBA loans servicing asset	3,040		3,040		—		—		3,040
Derivative assets	140,016		140,016		—		140,016		—
Financial liabilities
Non-interest-bearing deposits	$	9,439,485	$	9,439,485	$	—	$	9,439,485	$	—
Non-time interest-bearing deposits	19,891,711		19,891,711		—		19,891,711		—
Time deposits	9,074,308		9,112,459		—		9,112,459		—
Total deposits	$	38,405,504	$	38,443,655	$	—	$	38,443,655	$	—
Federal funds purchased and securities sold under repurchase agreements	165,690		165,690		165,690		—		—
Trading liability for short positions	1,560		1,560		1,560		—		—
Other short-term borrowings	1,752,000		1,752,000		—		1,752,000		—
Long-term debt	2,153,897		2,185,717		—		2,185,717		—
Earnout liability	11,016		11,016		—		—		11,016
Derivative liabilities	37,071		37,071		—		34,732		2,339

Note 8 - Derivative Instruments and Hedging Activities

Synovus utilizes derivative instruments to manage its exposure to various types of interest rate risk, exposures related to liquidity and credit risk, and to facilitate customer transactions. The primary types of derivative instruments utilized by Synovus consist of interest rate swaps, interest rate lock commitments made to prospective mortgage loan customers, commitments to sell fixed-rate mortgage loans, and foreign currency exchange forwards. Interest rate lock commitments represent derivative instruments since it is intended that such loans will be sold. Synovus is party to master netting arrangements with its dealer counterparties; however, Synovus does not offset assets and liabilities under these arrangements for financial statement presentation purposes. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for additional information regarding accounting policies for derivatives.

Hedging Derivatives

Cash flow hedge relationships mitigate exposure to the variability of future cash flows or other forecasted transactions. Synovus has entered into interest rate swap contracts to manage overall cash flow changes related to interest rate risk exposure on index-based variable rate commercial loans. The contracts effectively modify Synovus' exposure to interest rate risk by utilizing receive fixed/pay index-based variable rate interest rate swaps.

For cash flow hedges, the effective portion of the gain or loss related to the derivative instrument is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or when the hedge is terminated and included in the same income statement line item as the earnings effect of the hedged item.

Synovus recorded an unrealized gain of $9.8 million, or $7.3 million, after-tax, in OCI, during the first quarter of 2020, related to terminated cash flow hedges, which is being recognized into earnings in conjunction with the effective terms of the original swaps through the third quarter of 2025. Synovus recognized pre-tax income of $1.0 million and $1.4 million, respectively, during the three and nine months ended September 30, 2020 related to the amortization of terminated cash flow hedges.

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As of September 30, 2020, Synovus expects to reclassify approximately $40 million of pre-tax gains from AOCI into interest income on cash flow hedges over the next twelve months. Included in this amount is approximately $5 million in pre-tax gains related to the terminated cash flow hedges. As of September 30, 2020, the maximum length of time over which Synovus is hedging its exposure to the variability in future cash flows is through the first quarter of 2024.

For derivative instruments that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

Counterparty Credit Risk and Collateral

Entering into derivative contracts potentially exposes Synovus to the risk of counterparties’ failure to fulfill their legal obligations, including, but not limited to, potential amounts due or payable under each derivative contract. Notional principal amounts are often used to express the volume of these transactions, but the amounts potentially subject to credit risk are much smaller. Synovus assesses the credit risk of its dealer counterparties by regularly monitoring publicly available credit rating information, evaluating other market indicators, and periodically reviewing detailed financials. Dealer collateral requirements are determined via risk-based policies and procedures and in accordance with existing agreements. Synovus seeks to minimize dealer credit risk by dealing with highly rated counterparties and by obtaining collateral for exposures above certain predetermined limits. Management closely monitors credit conditions within the customer swap portfolio, which management deems to be of higher risk than dealer counterparties. Collateral is secured at origination and credit related fair value adjustments are recorded against the asset value of the derivative as deemed necessary based upon an analysis, which includes consideration of the current asset value of the swap, customer risk rating, collateral value, and customer standing with regards to its swap contractual obligations and other related matters. Such asset values fluctuate based upon changes in interest rates regardless of changes in notional amounts and changes in customer specific risk.

Collateral Requirements

Pursuant to the Dodd-Frank Act, certain derivative transactions have collateral requirements, both at the inception of the trade and as the value of each derivative position changes. As of September 30, 2020 and December 31, 2019, collateral totaling $159.8 million and $84.6 million, respectively, was pledged to the derivative counterparties to comply with collateral requirements. For derivatives cleared through central clearing houses, the variation margin payments made are legally characterized as settlements of the derivatives. As a result, these variation margin payments are netted against the fair value of the respective derivative contracts in the consolidated balance sheets and related disclosures. At September 30, 2020 and December 31, 2019, Synovus had a variation margin of $187.0 million and $113.7 million respectively, each reducing the derivative liability.

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The following table reflects the notional amount and fair value of derivative instruments included on the consolidated balance sheets. Beginning on October 19, 2020, CME Group Inc. transitioned price alignment and discounting for swap futures from the daily EFFR to the SOFR. This change will not have a material impact on Synovus' financial statements.

	September 30, 2020						December 31, 2019
			Fair Value						Fair Value
(in thousands)	Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)		Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)
Derivatives in cash flow hedging relationships:
Interest rate contracts	$	2,750,000	$	90,116	$	—	$	2,000,000	$	54	$	8,624
Total derivatives designated as hedging instruments			$	90,116	$	—			$	54	$	8,624
Derivatives not designated as hedging instruments:
Interest rate contracts(3)	$	8,761,038	$	362,700	$	176,338	$	7,258,159	$	138,672	$	25,849
Mortgage derivatives - interest rate lock commitments	451,953		10,212		—		70,481		1,290		—
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	492,500		—		1,793		107,000		—		168
Other contracts(4)	186,074		—		377		145,764		—		91
Visa derivative	—		—		1,460		—		—		2,339
Total derivatives not designated as hedging instruments			$	372,912	$	179,968			$	139,962	$	28,447

(1)    Derivative assets are recorded in other assets on the consolidated balance sheets.

(2)    Derivative liabilities are recorded in other liabilities on the consolidated balance sheets.

(3)    Includes interest rate contracts for customer swaps and offsetting positions, net of variation margin payments.

(4)    Includes risk participation agreements sold. Additionally, the notional amount of risk participation agreements purchased was $2.7 million and $3.0 million at September 30, 2020 and December 31, 2019, respectively.

Synovus also provides foreign currency exchange services, primarily forward contracts, with counterparties to allow commercial customers to mitigate exchange rate risk. Synovus covers its risk by entering into an offsetting foreign currency exchange forward contract. The notional amount of foreign currency exchange forwards was $25.1 million and $32.9 million at September 30, 2020 and December 31, 2019, respectively. The fair value of foreign currency exchange forwards was negligible at September 30, 2020 and December 31, 2019 due to the very short duration of these contracts.

The following table presents the effect of hedging derivative instruments on the consolidated statements of income and the total amounts for the respective line item affected for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Total amounts presented in the consolidated statements of income in interest income on loans	$	8,509	$	—	$	13,595	$	—
Gain/loss on cash flow hedging relationships:(1)
Interest rate swaps:
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans	1,031		—		1,421		—
Pre-tax income recognized on cash flow hedges	$	1,031	$	—	$	1,421	$	—

(1)    See "Part I - Item 1. Financial Statements and Supplementary Data - Note 6 - Shareholders' Equity and Other Comprehensive Income (Loss) in this Report for additional information.

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The pre-tax effect of changes in fair value from derivative instruments not designated as hedging instruments on the consolidated statements of income for the three and nine months ended September 30, 2020 and 2019 is presented below.

		Gain (Loss) Recognized in Consolidated Statements of Income
		Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	Location in Consolidated Statements of Income	2020		2019		2020		2019
Derivatives not designated as hedging instruments:
Interest rate contracts(1)	Capital markets income	$	176	$	549	$	225	$	640
Other contracts(2)	Capital markets income	47		(144)		(286)		(144)
Mortgage derivatives - interest rate lock commitments	Mortgage banking income	2,532		22		8,922		970
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	Mortgage banking income	(396)		642		(1,624)		413
Visa derivative	Other non-interest expense	—		(2,500)		—		(2,500)
Total derivatives not designated as hedging instruments		$	2,359	$	(1,431)	$	7,237	$	(621)

(1)    Additionally, losses related to termination of customer swaps of $2.5 million were recorded in other non-interest expense during the first quarter of 2020.

(2)    Includes risk participation agreements sold.

Note 9 - Net Income Per Common Share

The following table displays a reconciliation of the information used in calculating basic and diluted earnings per common share for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share data)	2020		2019		2020		2019
Basic Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Net income per common share, basic	$	0.57	$	0.84	$	1.35	$	2.53
Diluted Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Effect of dilutive outstanding equity-based awards, warrants, and earnout payments	662		1,805		733		1,776
Weighted average diluted common shares	147,976		154,043		148,037		158,595
Net income per common share, diluted	$	0.56	$	0.83	$	1.34	$	2.51

Basic net income per common share is computed by dividing net income available to common shareholders by the average common shares outstanding for the period. Diluted net income per common share reflects the dilution that could occur if securities or other contracts to issue common stock were exercised or converted. The dilutive effect of outstanding stock options, restricted share units, and warrants is reflected in diluted net income per common share, unless the impact is anti-dilutive, by application of the treasury stock method.

As of September 30, 2020 and 2019, there were 758 thousand and 40 thousand, respectively, potentially dilutive shares related to stock options to purchase shares of common stock that were outstanding during these quarters. Potentially dilutive shares are not included in the computation of diluted net income per common share because the effect would be anti-dilutive.

Note 10 - Commitments and Contingencies

In the normal course of business, Synovus enters into commitments to extend credit such as loan commitments and letters of credit to meet the financing needs of its customers. Synovus uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed

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expiration dates or other termination clauses and may require payment of a fee. Synovus also has commitments to fund certain low-income housing investments, solar energy, and CRA investments.

The contractual amount of these financial instruments represents Synovus' maximum credit risk should the counterparty draw upon the commitment, and should the counterparty subsequently fail to perform according to the terms of the contract. Since many of the commitments are expected to expire without being drawn upon, total commitment amounts do not necessarily represent future cash requirements. Additionally, certain commitments (primarily consumer) can generally be canceled by providing notice to the borrower.

The ACL associated with unfunded commitments and letters of credit is recorded within other liabilities on the consolidated balance sheets. Upon adoption of CECL on January 1, 2020, Synovus recorded $27.4 million in unfunded commitment reserves due to the consideration under CECL of expected utilization over the life of such commitments. At September 30, 2020, the ACL for unfunded commitments was $60.8 million, including the impact of CECL and COVID-19, compared to a reserve of $1.4 million at December 31, 2019. Additionally, an immaterial amount of unearned fees relating to letters of credit are recorded within other liabilities on the consolidated balance sheets. See "Part I-Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report for more information on Synovus' adoption of CECL.

Synovus invests in certain LIHTC partnerships which are engaged in the development and operation of affordable multi-family housing pursuant to Section 42 of the Code. Additionally, Synovus invests in certain solar energy tax credit partnerships pursuant to Section 48 of the Code. Synovus typically acts as a limited partner in these investments and does not exert control over the operating or financial policies of the partnerships and as such, is not considered the primary beneficiary of the partnership. For certain of its LIHTC investments, Synovus provides financing during the construction and development of the properties and is at risk for the funded amount of its equity investment plus the outstanding amount of any construction loans in excess of the fair value of the collateral for the loan, but has no obligation to fund the operations or working capital of the partnerships and is not exposed to losses beyond Synovus’ investment. Synovus receives tax credits related to these investments which are subject to recapture by taxing authorities based on compliance provisions required to be met at the project level.

Synovus also invests in certain other CRA partnerships including SBIC programs. The SBIC is a program initiated by the SBA in 1958 to assist in the funding of small business loans.

(in thousands)	September 30, 2020		December 31, 2019
Letters of credit*	$	177,000	$	202,614
Commitments to fund commercial and industrial loans	7,990,189		7,018,152
Commitments to fund commercial real estate, construction, and land development loans	2,891,857		3,032,252
Commitments under home equity lines of credit	1,588,844		1,501,452
Unused credit card lines	984,636		877,929
Other loan commitments	458,509		485,371
Total letters of credit and unfunded lending commitments	$	14,091,035	$	13,117,770

Investments in low income housing, solar energy tax credit and other CRA partnerships:
Carrying amount included in other assets	$	214,615	$	146,612
Amount of future funding commitments included in carrying amount	124,866		78,266
Permanent and short-term construction loans and letter of credit commitments	52,686		2,124
Funded portion of permanent and short-term loans and letters of credit	5,194		3,196

*    Represent the contractual amount net of risk participations purchased of approximately $31 million and $33 million at September 30, 2020 and December 31, 2019, respectively.

Merchant Services

In accordance with credit and debit card association rules, Synovus provides merchant processing services for customers. Prior to the second quarter of 2020, these services were provided through a referral relationship which was replaced during the second quarter of 2020 with a new contractual arrangement under which certain sales and processing support are provided through an outside merchant services provider with Synovus owning the merchant contract relationship. In addition, Synovus sponsors various third-party MPS businesses that process credit and debit card transactions on behalf of merchants. In connection with these services, a liability may arise in the event of a billing dispute between the merchant and a cardholder that is ultimately resolved in the cardholder's favor. If the merchant defaults on its obligations, the cardholder, through its issuing bank, generally has until six months after the date of the transaction to present a chargeback to the MPS, which is primarily liable for any losses on covered transactions. However, if a sponsored MPS fails to meet its obligations, then Synovus, as the sponsor, could be held liable for the disputed amount. Synovus seeks to mitigate this risk through its contractual arrangements

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with the MPS and the merchants by withholding future settlements, retaining cash reserve accounts and/or obtaining other security. For the three and nine months ended September 30, 2020, Synovus and the sponsored entities processed and settled $20.23 billion and $55.47 billion of transactions, respectively. For the three and nine months ended September 30, 2019, the sponsored entities processed and settled $19.13 billion and $55.72 billion of transactions, respectively.

Synovus covered chargebacks related to a particular sponsored MPS during 2019 and 2018 where the MPS’s cash reserve account was unavailable to support the chargebacks. As of September 30, 2020, the remaining amount due to Synovus from the MPS is $20.6 million, compared to $21.4 million at December 31, 2019. During the first quarter of 2020, Synovus recorded a $2.7 million reserve in other operating expenses associated with the chargebacks, reflecting the amount that Synovus does not expect to collect. The net balance of $17.9 million at September 30, 2020 is included in other assets and classified in NPAs. While Synovus has contractual protections to mitigate against loss, repayment of the amounts owed to Synovus will depend in large part upon the continued financial viability and/or valuation of the MPS and the availability of any cash reserve accounts.

Legal Proceedings

Synovus and its subsidiaries are subject to various legal proceedings, claims and disputes that arise in the ordinary course of its business. Additionally, in the ordinary course of business, Synovus and its subsidiaries are subject to regulatory examinations, information gathering requests, inquiries and investigations. Synovus, like many other financial institutions, has been the target of legal actions and other proceedings asserting claims for damages and related relief for losses. These actions include mortgage loan and other loan put-back claims, claims and counterclaims asserted by individual borrowers related to their loans, allegations of violations of state and federal laws and regulations relating to banking practices, and allegations related to Synovus' participation in government stimulus programs, including putative class action matters. In addition to actual damages, if Synovus does not prevail in such asserted legal actions, credit-related litigation could result in additional write-downs or charge-offs of assets, which could adversely affect Synovus' results of operations during the period in which the write-down or charge-off were to occur.

Synovus carefully examines and considers each legal matter, and, in those situations where Synovus determines that a particular legal matter presents loss contingencies that are both probable and reasonably estimable, Synovus establishes an appropriate reserve. An event is considered to be probable if the future event is likely to occur. While the final outcome of any legal proceeding is inherently uncertain, based on the information currently available, advice of counsel and available insurance coverage, management believes that the amounts accrued with respect to legal matters as of September 30, 2020 are adequate. The actual costs of resolving legal claims may be higher or lower than the amounts accrued.

In addition, where Synovus determines that there is a reasonable possibility of a loss in respect of legal matters, Synovus considers whether it is able to estimate the total reasonably possible loss or range of loss. An event is “reasonably possible” if “the chance of the future event or events occurring is more than remote but less than likely.” An event is “remote” if “the chance of the future event or events occurring is more than slight but less than reasonably possible." In many situations, Synovus may be unable to estimate reasonably possible losses due to the preliminary nature of the legal matters, as well as a variety of other factors and uncertainties. For those legal matters where Synovus is able to estimate a range of reasonably possible losses, management currently estimates the aggregate range from our outstanding litigation is from zero to $5 million in excess of the amounts accrued, if any, related to those matters. This estimated aggregate range is based upon information currently available to Synovus, and the actual losses could prove to be lower or higher. As there are further developments in these legal matters, Synovus will reassess these matters, and the estimated range of reasonably possible losses may change as a result of this assessment. Based on Synovus' current knowledge and advice of counsel, management presently does not believe that the liabilities arising from these legal matters will have a material adverse effect on Synovus' consolidated financial condition, results of operations or cash flows. However, it is possible that the ultimate resolution of these legal matters could have a material adverse effect on Synovus' results of operations or financial condition for any particular period.

Synovus intends to vigorously pursue all available defenses to these legal matters, but will also consider other alternatives, including settlement, in situations where there is an opportunity to resolve such legal matters on terms that Synovus considers to be favorable, including in light of the continued expense and distraction of defending such legal matters. Synovus maintains insurance coverage, which may be available to cover legal fees, or potential losses that might be incurred in connection with such legal matters. The above-noted estimated range of reasonably possible losses does not take into consideration insurance coverage which may or may not be available for the respective legal matters.

Note 11 - Segment Reporting

Synovus' business segments are based on the products and services provided or the customers served, and as of the fourth quarter of 2019, reflect the manner in which financial information is evaluated by the chief operating decision makers. Prior to the fourth quarter of 2019, Synovus identified its overall banking operations as its only reportable segment. Synovus has three major reportable business segments: Community Banking, Wholesale Banking, and Financial Management Services (FMS),

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with functional activities such as treasury, technology, operations, marketing, finance, enterprise risk, legal, human resources, corporate communications, executive management, among others, included in Treasury and Corporate Other.

Business segment results are determined based upon Synovus' management reporting system, which assigns balance sheet and income statement items to each of the business segments. Certain assets, liabilities, revenues, and expenses not allocated or attributable to a particular business segment are included in Treasury and Corporate Other. Synovus's third-party lending partnership consumer loans and held for sale loans as well as PPP C&I loans are included in Treasury and Corporate Other. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to GAAP. As a result, reported segment results are not necessarily comparable with similar information reported by other financial institutions.

The Community Banking business segment serves customers using a relationship-based approach through its branch, ATM, commercial, and private wealth network in addition to mobile, Internet, and telephone banking. This segment primarily provides individual, small business, and corporate customers with an array of comprehensive banking products and services including commercial, home equity, and other consumer loans, credit and debit cards, and deposit accounts.

The Wholesale Banking business segment serves primarily larger corporate customers by providing commercial lending and deposit services through specialty teams including middle market, CRE, senior housing, national accounts, premium finance, structured lending, healthcare, and asset-based lending.

The FMS business segment serves its customers by providing mortgage and trust services and also specializing in professional portfolio management for fixed-income securities, investment banking, the execution of securities transactions as a broker/dealer, asset management, and financial planning services, as well as the provision of individual investment advice on equity and other securities.

Synovus uses a centralized FTP methodology to attribute appropriate net interest income to the business segments. The intent of the FTP methodology is to transfer interest rate risk from the business segments by providing matched duration funding of assets and liabilities. The result is to centralize the financial impact, management, and reporting of interest rate risk in the Treasury and Corporate Other function where it can be centrally monitored and managed. Treasury and Corporate Other charges (credits) an internal cost of funds for assets held in (or pays for funding provided by) each business segment. The FTP rate is based on prevailing market interest rates for comparable duration assets (or liabilities).

The following tables present certain financial information for each reportable business segment for the three and nine months ended September 30, 2020. During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing all of the goodwill allocated to the Consumer Mortgage reporting unit (which is included in the FMS reportable segment) driven by significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. To provide comparable prior year information, Synovus has included proforma business segment financial information for the three and nine months ended September 30, 2019 utilizing various allocation methodologies based on balance sheet and income statement items assigned to each business segment. The application and development of management reporting methodologies is a dynamic process and is subject to periodic enhancements. As these enhancements are made, financial results presented by each reportable business segment may be periodically revised.

	Three Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	220,426	$	139,080	$	20,986	$	(3,502)	$	376,990
Non-interest revenue	29,982		5,496		65,820		13,113		114,411
Non-interest expense	68,571		19,530		92,931		135,623		316,655
Pre-provision net revenue	$	181,837	$	125,046	$	(6,125)	$	(126,012)	$	174,746

	Three Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	203,197	$	133,773	$	26,582	$	38,545	$	402,097
Non-interest revenue	35,145		7,092		40,966		5,557		88,760
Non-interest expense	76,414		25,413		40,413		134,070		276,310
Pre-provision net revenue	$	161,928	$	115,452	$	27,135	$	(89,968)	$	214,547

	Nine Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	638,311	$	407,265	$	56,600	$	24,640	$	1,126,816
Non-interest revenue	89,413		20,406		166,067		115,866		391,752
Non-interest expense	219,859		63,176		184,501		409,540		877,076
Pre-provision net revenue	$	507,865	$	364,495	$	38,166	$	(269,034)	$	641,492

	Nine Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	625,450	$	388,241	$	86,425	$	96,419	$	1,196,535
Non-interest revenue	101,971		21,787		111,873		22,314		257,945
Non-interest expense	225,141		55,141		111,139		441,426		832,847
Pre-provision net revenue	$	502,280	$	354,887	$	87,159	$	(322,693)	$	621,633

	September 30, 2020
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	11,489,106	$	19,204,961	$	5,412,944	$	3,442,836	$	39,549,847
Total deposits	$	28,870,928	$	10,339,568	$	414,243	$	5,041,165	$	44,665,904
Total full-time equivalent employees	2,200		285		843		1,904		5,232
	December 31, 2019
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	12,170,914	$	17,643,509	$	5,285,455	$	2,062,572	$	37,162,450
Total deposits	$	25,610,777	$	8,314,184	$	284,716	$	4,195,827	$	38,405,504
Total full-time equivalent employees	2,301		213		839		1,911		5,264

Note 12 - Subsequent Events

Issuance of Subordinated Debt by Synovus Bank

On October 29, 2020, Synovus Bank issued $200.0 million aggregate principal amount of 4.000% Fixed-to-Fixed Rate Subordinated Bank Notes due October 29, 2030 (the "Maturity Date"). Subject to any redemption prior to the Maturity Date, the Notes will bear interest from and including the original issue date to, but excluding, October 29, 2025 (the ‘‘Reset Date’’), at a fixed rate of 4.000% per annum and from and including the Reset Date to, but excluding the Maturity Date, the Notes will

bear interest at a fixed rate that will be the Five-year U.S. Treasury Rate (as defined) as of the Reset Determination Date, plus 3.625% per annum. Interest on the Notes will be payable semi-annually in arrears on April 29 and October 29 of each year, commencing on April 29, 2021. Synovus Bank may redeem the Notes, in whole but not in part, (i) at any time within 90 days following a Regulatory Capital Treatment Event or Tax Event (in each case as defined) or Synovus Bank becoming required to be registered as an investment company pursuant to the Investment Company Act of 1940, as amended, or (ii) on the Reset Date, in each case at a redemption price equal to 100% of the principal amount of the Notes, plus accrued and unpaid interest, if any, to but excluding the redemption date. The Notes are not redeemable at the option or election of holders.

Voluntary Early Retirement Program

Synovus incurred approximately $14 million in one-time termination benefit restructuring charges in October 2020 associated with a voluntary early retirement program offered to employees as part of the Synovus Forward efficiency initiatives.

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

In this Report, the words “Synovus,” “the Company,” “we,” “us,” and “our” refer to Synovus Financial Corp. together with Synovus Bank and Synovus' other wholly-owned subsidiaries, except where the context requires otherwise.

FORWARD-LOOKING STATEMENTS

Certain statements made or incorporated by reference in this Report which are not statements of historical fact, including those under “Management's Discussion and Analysis of Financial Condition and Results of Operations,” and elsewhere in this Report, constitute forward-looking statements within the meaning of, and subject to the protections of, Section 27A of the Securities Act and Section 21E of the Exchange Act. Forward-looking statements include statements with respect to Synovus' beliefs, plans, objectives, goals, targets, expectations, anticipations, assumptions, estimates, intentions and future performance and involve known and unknown risks, many of which are beyond Synovus' control and which may cause Synovus' actual results, performance or achievements or the financial services industry or economy generally, to be materially different from future results, performance or achievements expressed or implied by such forward-looking statements.

All statements other than statements of historical fact are forward-looking statements. You can identify these forward-looking statements through Synovus' use of words such as “believes,” “anticipates,” “expects,” “may,” “will,” “assumes,” “predicts,” “could,” “should,” “would,” “intends,” “targets,” “estimates,” “projects,” “plans,” “potential” and other similar words and expressions of the future or otherwise regarding the outlook for Synovus' future business and financial performance and/or the performance of the financial services industry and economy in general. Forward-looking statements are based on the current beliefs and expectations of Synovus' management and are subject to significant risks and uncertainties. Actual results may differ materially from those contemplated by such forward-looking statements. A number of factors could cause actual results to differ materially from those contemplated by the forward-looking statements in this document. Many of these factors are beyond Synovus' ability to control or predict. These factors include, but are not limited to:

(1) the risks and uncertainties related to the impact of the COVID-19 pandemic on our assets, business, capital and liquidity, financial condition, prospects and results of operations;

(2) the risk that the current and any further economic downturn and contraction could have a material adverse effect on our capital, liquidity, financial condition, credit quality, results of operations and future growth, including the risk that the current economic contraction could last much longer and be much more severe if efforts to contain the pandemic are unsuccessful and restrictions on movement last longer than currently anticipated;

(3) the risk that our asset quality may deteriorate, our allowance for credit losses may prove to be inadequate or may be negatively affected by credit risk exposures, and the risk that we may be unable to obtain full payment in respect of any loan or other receivables;

(4) the impact of recent, proposed, or potential changes in governmental policy, laws and regulations, including recently enacted laws, regulations and guidance related to government stimulus programs related to the COVID-19 pandemic, proposed and potential changes in the regulation and taxation of banks and financial institutions, or the interpretation or application thereof and the uncertainty of future implementation and enforcement of these regulations;

(5) changes in the cost and availability of funding due to changes in the deposit market and credit market;

(6) the risks that if economic conditions worsen further or regulatory capital rules are modified, we may be required to undertake initiatives to improve our capital position;

(7) the risk that we may be required to make substantial expenditures to keep pace with regulatory initiatives and the rapid technological changes in the financial services market;

(8) changes in the interest rate environment, including changes to the federal funds rate to include a possible negative interest rate environment, and competition in our primary market area may result in increased funding costs or reduced earning assets yields, thus further reducing margins and net interest income;

(9) the risk that competition in the financial services industry may adversely affect our future earnings and growth;

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(10) the risk that we may not realize the expected benefits from our efficiency and growth initiatives or that we may not be able to realize those cost savings or revenue initiatives in the time period expected, which could negatively impact our future profitability;

(11) our ability to identify and address cyber-security risks such as data security breaches, malware, "denial of service" attacks, "hacking" and identity theft, a failure of which could disrupt our business and result in the disclosure of and/or misuse or misappropriation of confidential or proprietary information, disruption or damage of our systems, increased costs, significant losses, or adverse effects to our reputation;

(12) the risk that our current and future information technology system enhancements and operational initiatives may not be successfully implemented, which could negatively impact our operations;

(13) our ability to attract and retain employees that are key to our strategic and growth initiatives;

(14) the risk related to our implementation of new lines of business, new products and services or new technologies;

(15) our ability to receive dividends from our subsidiaries could affect our liquidity, including our ability to pay dividends or take other capital actions;

(16) the risk that our enterprise risk management framework, our compliance program, or our corporate governance and supervisory oversight functions may not identify or address risks adequately, which may result in unexpected losses;

(17) risks related to our business relationships with, and reliance upon, third parties that have strategic partnerships with us or that provide key components of our business infrastructure, including the costs of services and products provided to us by third parties, and risks related to disruptions in service or financial difficulties with a third-party vendor or business relationship;

(18) risks related to the ability of our operational framework to identify and manage risks associated with our business such as credit risk, compliance risk, reputational risk, and operational risk, including third-party business partners, as well as our relationship with third-party vendors and other service providers;

(19) restrictions or limitations on access to funds from historical and alternative sources of liquidity could adversely affect our overall liquidity, which could restrict our ability to make payments on our obligations and our ability to support asset growth and sustain our operations and the operations of Synovus Bank;

(20) the risk that we may be exposed to potential losses in the event of fraud and/or theft, or in the event that a third-party vendor, obligor, or business partner fails to pay amounts due to us under that relationship or under any arrangement that we enter into with them;

(21) the risk that we could realize losses if we sell non-performing assets and the proceeds we receive are lower than the carrying value of such assets;

(22) risks related to the fluctuation in our stock price and general volatility in the stock market;

(23) the impact on our financial results, reputation, and business if we are unable to comply with all applicable federal and state regulations or other supervisory actions or directives and any necessary capital initiatives;

(24) risks related to regulatory approval to take certain actions, including any dividends on our common stock or preferred stock, any repurchases of common stock or any issuance or redemption of any other regulatory capital instruments;

(25) risks related to the continued use, availability and reliability of LIBOR and other "benchmark" rates;

(26) the costs and effects of litigation, investigations, inquiries or similar matters, or adverse facts and developments related thereto, including the costs and effects of litigation related to our participation in government stimulus programs associated with the COVID-19 pandemic;

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(27) the effects of any damages to our reputation resulting from developments related to any of the items identified above; and

(28) other factors and other information contained in this Report and in other reports and filings that we make with the SEC under the Exchange Act, including, without limitation, those found in "Part II - Item 1A. Risk Factors" of this Report.

For a discussion of these and other risks that may cause actual results to differ from expectations, refer to “Part I-Item 1A. Risk Factors” and other information contained in Synovus' 2019 Form 10-K and our other periodic filings, including quarterly reports on Form 10-Q and current reports on Form 8-K, that we file from time to time with the SEC. All written or oral forward-looking statements that are made by or are attributable to Synovus are expressly qualified by this cautionary notice. You should not place undue reliance on any forward-looking statements since those statements speak only as of the date on which the statements are made. Synovus undertakes no obligation to update any forward-looking information and statements, whether oral or written, to reflect events or circumstances after the date on which the statement is made or to reflect the occurrence of new information or unanticipated events, except as may otherwise be required by law.

INTRODUCTION AND CORPORATE PROFILE

Synovus Financial Corp. is a financial services company and a registered bank holding company headquartered in Columbus, Georgia. Through its wholly-owned subsidiary, Synovus Bank, a Georgia state-chartered bank that is a member of the Federal Reserve System, the Company provides commercial and retail banking in addition to a full suite of specialized products and services including private banking, treasury management, wealth management, mortgage services, premium finance and international banking. Synovus also provides financial planning, and investment advisory services through its wholly-owned subsidiaries, Synovus Trust and Synovus Securities, as well as its GLOBALT and Creative Financial Group divisions.

Synovus Bank is positioned in some of the highest growth markets in the Southeast, with 292 branches in Alabama, Florida, Georgia, South Carolina, and Tennessee.

The following financial review summarizes the significant trends, changes in our business, transactions, and other matters affecting Synovus’ results of operations for the three and nine months ended September 30, 2020 and financial condition as of September 30, 2020 and December 31, 2019. This discussion supplements, and should be read in conjunction with, the unaudited interim consolidated financial statements and notes thereto contained elsewhere in this Report and the consolidated financial statements of Synovus, the notes thereto, and management’s discussion and analysis contained in Synovus’ 2019 Form 10-K.

Management's Discussion and Analysis of Financial Condition and Results of Operations consists of:

•Discussion of Results of Operations - Reviews Synovus' financial performance, as well as selected balance sheet items, items from the statements of income, significant transactions, and certain key ratios that illustrate Synovus' performance.

•Credit Quality, Capital Resources and Liquidity - Discusses credit quality, market risk, capital resources, and liquidity, as well as performance trends. It also includes a discussion of liquidity policies, how Synovus obtains funding, and related performance.

•Additional Disclosures - Discusses additional important matters including critical accounting policies and non-GAAP financial measures used within this Report.

A reading of each section is important to understand fully our financial performance.

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DISCUSSION OF RESULTS OF OPERATIONS

Table 1 - Consolidated Financial Highlights
	Three Months Ended September 30,								Nine Months Ended September 30,
(dollars in thousands, except per share data)	2020			2019			Change		2020			2019			Change
Net interest income	$	376,990		$	402,097		(6)	%	$	1,126,816		$	1,196,535		(6)	%
Provision for credit losses(1)	43,383			27,562			57		343,956			63,250			444
Non-interest revenue	114,411			88,760			29		391,752			257,945			52
Adjusted non-interest revenue(2)	115,701			91,297			27		310,446			259,940			19
Total FTE revenues	492,357			491,676			—		1,521,171			1,456,736			4
Adjusted total revenues(2)	493,647			494,213			—		1,439,865			1,458,731			(1)
Non-interest expense	316,655			276,310			15		877,076			832,847			5
Adjusted non-interest expense(2)	268,742			258,474			4		816,310			757,834			8
Income before income taxes	131,363			186,985			(30)		297,536			558,383			(47)
Net income	91,574			135,726			(33)		223,286			412,096			(46)
Net income available to common shareholders	83,283			127,435			(35)		198,414			397,505			(50)
Net income per common share, basic	0.57			0.84			(32)		1.35			2.53			(47)
Net income per common share, diluted	0.56			0.83			(32)		1.34			2.51			(47)
Adjusted net income per common share, diluted(2)	0.89			0.97			(9)		1.32			2.96			(55)
Net interest margin(3)	3.10		%	3.69		%	(59)	bps	3.20		%	3.72		%	(52)	bps
Net charge-off ratio(3)	0.29			0.22			7		0.25			0.18			7
Return on average assets(3)	0.69			1.14			(45)		0.58			1.18			(60)
Adjusted return on average assets(2)(3)	1.05			1.33			(28)		0.57			1.39			(82)
Efficiency ratio-FTE	64.31			56.20			811		57.66			57.17			49
Adjusted tangible efficiency ratio(2)	53.91			51.71			220		56.14			51.36			478

(1)     Beginning January 1, 2020, provision calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

(2)    See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for the applicable reconciliation to the most comparable GAAP measure.

(3)    Annualized

	September 30, 2020			June 30, 2020			Sequential Quarter Change			September 30, 2019			Year-Over-Year Change
(dollars in thousands)
Loans, net of deferred fees and costs	$	39,549,847		$	39,914,297		$	(364,450)		$	36,417,826		$	3,132,021
Total average loans	39,762,572			40,136,090			(373,518)			36,201,322			3,561,250
Total deposits	44,665,904			44,194,580			471,324			37,433,070			7,232,834
Core deposits (excludes brokered deposits)	40,756,645			39,904,278			852,367			34,237,575			6,519,070
Core transaction deposits (excludes brokered and public fund deposits)	30,988,237			29,425,251			1,562,986			23,794,467			7,193,770
Total average deposits	44,339,497			43,096,475			1,243,022			37,714,145			6,625,352
Non-performing assets ratio	0.49		%	0.44		%	5		bps	0.42		%	7		bps
Non-performing loans ratio	0.43			0.37			6			0.32			11
Past due loans over 90 days	0.02			0.02			—			0.04			(2)
CET1 capital	$	3,913,402		$	3,827,229		$	86,173		$	3,660,078		$	253,324
Tier 1 capital	4,450,547			4,364,374			86,173			4,196,628			253,919
Total risk-based capital	5,536,918			5,459,568			77,350			5,023,138			513,780
CET1 capital ratio	9.30		%	8.90		%	40		bps	8.96		%	34		bps
Tier 1 capital ratio	10.57			10.15			42			10.27			30
Total risk-based capital ratio	13.16			12.70			46			12.30			86
Total shareholders’ equity to total assets ratio	9.55			9.34			21			10.22			(67)
Tangible common equity ratio(1)	7.67			7.41			26			8.04			(37)
Return on average common equity(2)	7.28			7.48			(20)			11.36			(408)
Adjusted return on average common equity(1)(2)	11.48			3.00			848			13.35			(187)
Adjusted return on average tangible common equity(1)(2)	13.24			3.60			964			15.46			(222)

(1)    See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for the applicable reconciliation to the most comparable GAAP measure.

(2)    Quarter annualized

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Economic Environment and Recent Events

The ongoing COVID-19 healthcare crisis and public health response have triggered recessionary economic and financial market conditions during the majority of the first nine months of 2020. During March 2020, in an effort to lessen the impact of COVID-19 on consumers and businesses, the Federal Reserve reduced the federal funds rate 1.5 percentage points to 0.00 to 0.25 percent and the U.S. government enacted the CARES Act, the largest economic stimulus package in the nation’s history.

Synovus responded to the COVID-19 pandemic by taking measures early, beginning in March 2020, to improve the health and safety of our customers, team members, and communities including remote work capabilities and branch service enhancements; bonus payments to hourly team members required to work on-site; payment deferments on approximately $6 billion of our loan portfolio during the second quarter; and forgiveness of NSF and monthly service charges for impacted customers. Synovus participated in the Paycheck Protection Program (PPP) and delivered close to 19,000 loans totaling nearly $2.9 billion during the second quarter. The average PPP loan was approximately $150 thousand, and the customers that received those loans employed over 335 thousand individuals. Synovus has also participated in the Federal Reserve's Main Street Lending Program to support small and medium-sized businesses impacted by COVID-19. Additionally, although the vast majority of our customers were no longer in a payment deferment program at the end of the third quarter, we have continued to work with our borrowers who have been impacted by the pandemic.

In September, six months after converting our branches to drive-thru and appointment-only, our retail branch network re-opened its lobbies to walk-in customers, implementing CDC safety guidelines and branch design enhancements, including plexiglass barriers, customer directional signage, mask requirements and social distancing protocols. Synovus' team members, many of whom worked remotely during the second and third quarters, re-entered the work place in a phased-in approach. This re-entry was carefully designed by team members themselves and carefully monitored through re-entry surveys and touchpoints. Synovus also provided additional benefits for team members directly impacted by the virus, including supplemental paid-time off and expanded medical benefits. In our communities, we have responded to the COVID-19 healthcare crisis and economic uncertainty with financial contributions to more than a dozen organizations for COVID-19 relief efforts, matching contributions for COVID-19 donations to the American Red Cross, and meal donations for first responders and health care workers.

In light of current economic uncertainty, Synovus has suspended its share repurchase activity beyond the $16.2 million completed during the first quarter and withdrawn 2020 guidance and long-term goals announced at the beginning of the year. Significant economic uncertainty remains, including the trajectory of the economic recovery which we expect will be impacted by any additional government stimulus plans.

Synovus is committed to addressing racial equality and social justice and has taken a number of actions during the third quarter to expand efforts to advance economic empowerment and racial equity, including establishing an internal advisory council to the CEO comprised of certain senior African American leaders, funding a $1.0 million contribution to the United Negro College Fund for the establishment of a scholarship for African American students in our footprint, providing foundational unconscious bias training to additional leaders across the footprint, and continuing to diversify an already strong and diverse Board of Directors with a new independent director. We continue to make progress toward the objectives of our CEO-sponsored inclusion and diversity initiative to improve minority representation within our team member population and female and minority representation in senior leadership, all while improving inclusiveness of all team members.

During the third quarter, we communicated new leadership expectations and leadership training development tools for our team members. We also launched a new leadership development program for our leaders. These new expectation and training tools are intended to help team members understand what leadership looks like at the Company, and to ensure alignment of the daily work experience with the Company’s culture and values.

Executive Summary

Net income available to common shareholders for the third quarter of 2020 was $83.3 million, or $0.56 per diluted common share, a decline of 35% and 32%, respectively, compared to the third quarter of 2019 and adjusted net income per common share, diluted(1) was $0.89, down 9% compared to $0.97 for the third quarter of 2019. Net income available to common shareholders for the first nine months of 2020 was $198.4 million, or $1.34 per diluted common share, a decline of 50% and 47%, respectively, compared to the first nine months of 2019 and adjusted net income per common share, diluted(1) was $1.32, down 55% compared to $2.96 for the first nine months of 2019. The year-over-year decline in adjusted net income per common share for all periods was impacted by deterioration in the economic environment caused by the COVID-19 pandemic and driven by a significant increase in provision for credit losses following the adoption of CECL on January 1, 2020, a 225 bps reduction in the federal funds rate, and PAA including loan discount accretion and deposit premium amortization that positively impacted 2019.

Net interest income for the nine months ended September 30, 2020 was $1.13 billion, down $69.7 million, or 6%, compared to the same period in 2019. The decrease in year-over-year net interest income was due to declines of $62.5 million

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in PAA (primarily comprised of declines of $27.0 million of loan accretion and $32.9 million of deposit premium amortization) associated with the FCB acquisition and declines in market interest rates, which were somewhat offset by higher average earning assets. Net interest margin was down 52 bps over the comparable nine-month periods to 3.20%, due primarily to the decline in market interest rates in addition to declines in PAA. On a sequential quarter basis, net interest income was up $424 thousand and net interest margin for the third quarter was 3.10%, which was down 3 bps compared to the second quarter of 2020. The sequential quarter decline in net interest margin was primarily driven by the impact of bond repositioning and student loan sales executed in the second quarter of 2020, partially offset by further declines in deposit pricing and favorable deposit remixing trends. We continue to expect modest downward pressure on NIM as the repricing within our fixed-rate asset portfolios is partially offset by continued declines in overall deposit costs. Excluding the potential impacts from PPP forgiveness, we expect net interest income and net interest margin to decrease modestly in the fourth quarter of 2020 as compared to the third quarter of 2020.

Non-interest revenue for the third quarter of 2020 was $114.4 million, up $25.7 million, or 29%, and year-to-date was $391.8 million, up $133.8 million, or 52%, compared to the same periods in 2019. Adjusted non-interest revenue(1) which excludes net investment securities gains/(losses) and gain on sale/fair value increase/(decrease) of private equity investments, for the third quarter of 2020 was $115.7 million, up $24.4 million, or 27%, from the third quarter of 2019, and on a year-to-date basis was $310.4 million compared to $259.9 million for the first nine months of 2019, up $50.5 million, or 19%. The increase in adjusted non-interest revenue was due primarily to strong growth in mortgage banking income with record production driven by the current rate environment. In the fourth quarter, we expect to see declines in mortgage revenue, as compared to the third quarter of 2020.

Non-interest expense for the third quarter of 2020 was $316.7 million, up $40.3 million, or 15%, compared to the third quarter of 2019 and adjusted non-interest expense(1) of $268.7 million was up $10.3 million, or 4%. On a year-to-date basis, non-interest expense was up $44.2 million, or 5%, and adjusted non-interest expense(1) was up $58.5 million, or 8%. During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing the goodwill allocated to the Consumer Mortgage reporting unit. The increase in adjusted expense during the first nine months of 2020 was largely driven by mortgage production commissions, expense associated with Synovus' internal revenue growth and efficiency initiatives, COVID-19 related expenses, and investments in talent and technology. The efficiency ratio-FTE for the first nine months of 2020 was 57.66%, compared to 57.17% for the first nine months of 2019. The adjusted tangible efficiency ratio(1) for the first nine months of 2020 was 56.14%, up 478 bps compared to the same period a year ago. Excluding up-front expenses associated with Synovus Forward initiatives, we expect adjusted non-interest expense in the fourth quarter to be in-line with adjusted non-interest expense in the third quarter of 2020.

At September 30, 2020, total loans, net of deferred fees and costs of $39.55 billion, increased $2.39 billion, or 6%, from December 31, 2019 led by C&I growth of $3.24 billion, including $2.71 billion in PPP loans net of unearned fees, and CRE growth of $472.1 million, partially offset by a $1.26 billion decline in consumer loans. The decline in consumer loans is the result of the strategic disposition of $1.28 billion in third-party single-service consumer and non-relationship consumer mortgage loans. We expect loans, excluding the impact of PPP forgiveness, to be relatively flat in the fourth quarter, as compared to the third quarter of 2020.

The ACL at September 30, 2020 totaled $664.6 million, an increase of $381.8 million from December 31, 2019, reflecting a building of the ACL required under CECL primarily as a result of uncertainty and deterioration in the economic environment due to COVID-19. The ACL to loans coverage ratio was 1.68%, or 1.80%, excluding PPP loans, at September 30, 2020. Current credit metrics deteriorated slightly with NPAs at 49 bps, NPLs at 43 bps, and total past due loans at 14 bps; however, we have not experienced widespread deterioration in the portfolio. Year-to-date, net charge-offs are 25 bps compared to 18 bps in the prior year. Synovus expects some pressure on credit metrics over the next few quarters, which aligns with the reserve builds to-date during 2020 under CECL.

Total period-end deposits at September 30, 2020 increased $6.26 billion, or 16%, compared to December 31, 2019. Core transaction deposits increased $6.82 billion, or 28%, compared to December 31, 2019. The significant increase in deposit balances compared to December 31, 2019 is due largely to the current economic environment as well as government stimulus programs including deposits associated with PPP loans.

At September 30, 2020, Synovus' CET1 ratio was 9.30%, well in excess of regulatory requirements including the capital conservation buffer of 2.5%. The September 30, 2020 CET1 ratio improved 40 bps compared to June 30, 2020 and improved 35 bps compared to December 31, 2019 from a combination of earnings and balance sheet activities. These balance sheet activities included the settlement of our second quarter bond repositioning and our on-going efforts to manage non-relationship loan portfolios as we prioritize our balance sheet for core, client relationships.

More detail on Synovus' financial results for the three and nine months ended September 30, 2020 may be found in subsequent sections of "Item 2. – Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Report. See also "Item 1A. - Risk Factors" of this Report.

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(1) See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for applicable reconciliation to the most comparable GAAP measure.

Changes in Financial Condition

During the nine months ended September 30, 2020, total assets increased $4.84 billion from $48.20 billion at December 31, 2019 to $53.04 billion. Loans increased $2.39 billion, including $2.71 billion in PPP loans net of unearned fees, and loans held for sale increased $630.0 million as Synovus transitioned certain third-party lending partnership consumer loans to held for sale. Investment securities available for sale increased $787.9 million and cash and cash equivalents increased $798.4 million. Additional increases in total assets at September 30, 2020, compared to December 31, 2019, included increases in BOLI investments of $268.4 million driven by additional investments in BOLI policies and increases in other assets of $363.1 million primarily from an increase in the fair value of derivative assets of $323.0 million.

The growth in assets was primarily funded by increases of $6.26 billion in deposits. Other short-term borrowings declined $1.35 billion and long-term debt decreased $525.5 million. Other liabilities increased $296.4 million and included an increase in the fair value of derivative liabilities of $142.9 million, an increase in reserves on unfunded commitments of $59.4 million, and an increase in income taxes payable of $38.4 million. Total shareholders' equity increased $122.9 million during the nine months ended September 30, 2020, primarily due to net income of $223.3 million, increases in unrealized gains of $29.9 million in investment securities available for sale and $79.4 million in cash flow hedges, offset partially by dividends declared on common stock of $145.8 million and dividends declared on preferred stock of $24.9 million.

Synovus adopted CECL on January 1, 2020 with an increase to the ALL of $83.0 million and an increase to the reserve on unfunded commitments of $27.4 million with offsetting increases in loans of $62.2 million related to acquired PCI loans and net deferred tax assets of $12.5 million and a reduction to retained earnings of $35.7 million. The ACL at September 30, 2020 was $664.6 million, an increase of $381.8 million from December 31, 2019, reflecting significant economic stress due to the COVID-19 healthcare crisis.

The loan to deposit ratio was 88.6% at September 30, 2020, compared to 96.8% at December 31, 2019, and 97.3% at September 30, 2019.

Loans

The following table compares the composition of the loan portfolio at September 30, 2020, December 31, 2019, and September 30, 2019.

Table 2 - Loans by Portfolio Class
									September 30, 2020 vs. December 31, 2019 Change								September 30, 2020 vs. September 30, 2019 Change
(dollars in thousands)	September 30, 2020				December 31, 2019								September 30, 2019
Commercial, financial and agricultural	$	13,120,038	33.2	%	$	10,239,559	27.6	%	$	2,880,479	28	%	$	9,846,830	27.0	%	$	3,273,208	33	%
Owner-occupied	6,894,113		17.4		6,529,811		17.6		364,302		6		6,571,485		18.1		322,628		5
Total commercial and industrial	20,014,151		50.6		16,769,370		45.2		3,244,781		19		16,418,315		45.1		3,595,836		22
Investment properties	9,662,447		24.4		9,004,327		24.2		658,120		7		8,843,545		24.3		818,902		9
1-4 family properties	655,038		1.7		780,015		2.1		(124,977)		(16)		805,756		2.2		(150,718)		(19)
Land and development	648,390		1.6		709,442		1.9		(61,052)		(9)		663,689		1.8		(15,299)		(2)
Total commercial real estate	10,965,875		27.7		10,493,784		28.2		472,091		4		10,312,990		28.3		652,885		6
Consumer mortgages	5,658,525		14.3		5,546,368		14.9		112,157		2		5,470,730		15.0		187,795		3
Home equity lines	1,615,207		4.1		1,713,157		4.6		(97,950)		(6)		1,675,092		4.6		(59,885)		(4)
Credit cards	264,829		0.7		268,841		0.7		(4,012)		(1)		267,874		0.8		(3,045)		(1)
Other consumer loans	1,130,237		2.9		2,396,294		6.5		(1,266,057)		(53)		2,295,486		6.3		(1,165,249)		(51)
Total consumer	8,668,798		22.0		9,924,660		26.7		(1,255,862)		(13)		9,709,182		26.7		(1,040,384)		(11)
Total loans	39,648,824		100.3		37,187,814		100.1		2,461,010		7		36,440,487		100.1		3,208,337		9
Deferred fees and costs, net	(98,977)		(0.3)		(25,364)		(0.1)		(73,613)		290		(22,661)		(0.1)		(76,316)		337
Total loans, net of deferred fees and costs	$	39,549,847	100.0	%	$	37,162,450	100.0	%	$	2,387,397	6	%	$	36,417,826	100.0	%	$	3,132,021	9	%

At September 30, 2020, total loans, net of deferred fees and costs of $39.55 billion, increased $2.39 billion, or 6%, from December 31, 2019 led by C&I growth of $3.24 billion, including $2.71 billion in PPP loans net of unearned fees, and CRE growth of $472.1 million, partially offset by a $1.26 billion decline in consumer loans. The decline in consumer loans is the result of the strategic disposition of $1.28 billion in third-party single-service consumer and non-relationship consumer mortgage loans. Total loans at September 30, 2020 declined $364.5 million sequentially due to strategic dispositions of $531.8

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million primarily in third-party single-service consumer loans and non-relationship consumer mortgage loans. Excluding the impact of asset dispositions and PPP loan payoffs, we had sequential quarter net loan growth of $170.3 million. We expect loans, excluding the impact of PPP forgiveness, to be relatively flat in the fourth quarter, as compared to the third quarter of 2020. C&I loans remain the largest component of our loan portfolio, representing 50.6% of total loans, while CRE and consumer loans represent 27.7% and 22.0%, respectively. Our portfolio composition is established through a comprehensive concentration management policy which sets limits for C&I, CRE, and consumer loan levels as well as for sub-categories therein.

U.S. Small Business Administration Paycheck Protection Program (PPP)

Synovus is participating in the Paycheck Protection Program (“PPP”), which is a loan program that originated from the CARES Act and was subsequently expanded by the Paycheck Protection Program and Health Care Enhancement Act (“PPPHCEA Act”) which was passed by Congress on April 23, 2020 and signed into law on April 24, 2020. PPP loans are forgivable, in whole or in part, if the proceeds are used for payroll and other permitted purposes in accordance with the requirements of the PPP. These loans carry a fixed rate of 1.00% and a term of two years, if not forgiven, in whole or in part. The loans are guaranteed by the SBA. The SBA pays the originating bank a processing fee ranging from 1% to 5%, based on the size of the loan. Synovus began accepting applications from qualified customers on April 3, 2020 and provided nearly $2.9 billion in funding to close to 19,000 customers through the PPP during the second quarter. The average PPP loan was approximately $150 thousand, and the customers that received those loans employ over 335 thousand individuals. In October 2020, the SBA announced a streamlined forgiveness process for certain PPP loans of $50,000 or less and approximately 7% of our PPP balances fall within this threshold.

Commercial Loans

Total commercial loans (which are comprised of C&I and CRE loans) at September 30, 2020 were $30.98 billion, or 78.3%, of the total loan portfolio, compared to $27.26 billion, or 73.4%, at December 31, 2019 and $26.73 billion, or 73.4%, at September 30, 2019.

At September 30, 2020, Synovus had 6 commercial loan relationships with total commitments of $100 million or more (including amounts funded), with no single relationship exceeding $150 million in commitments.

Commercial and Industrial Loans

The C&I loan portfolio represents the largest category of Synovus' loan portfolio and is primarily comprised of general middle market and commercial banking clients across a diverse set of industries. The following table shows the composition of the C&I loan portfolio aggregated by NAICS code. In accordance with Synovus' lending policy, each loan undergoes a detailed underwriting process which incorporates uniform underwriting standards and oversight in proportion to the size and complexity of the lending relationship. As of September 30, 2020, 80.7% (93.7% excluding PPP loans) of Synovus' C&I loans are secured by real estate, business equipment, inventory, and other types of collateral compared to 92.6% as of December 31, 2019. C&I loans grew $3.24 billion, or 19.3%, from December 31, 2019, driven primarily by $2.71 billion in PPP loans net of unearned fees at September 30, 2020.

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Table 3 - Commercial and Industrial Loans by Industry
	September 30, 2020				December 31, 2019
(dollars in thousands)	Amount		%(1)		Amount		%(1)
Health care and social assistance	$	3,679,193	18.4	%	$	3,083,355	18.4	%
Finance and insurance	1,531,747		7.7		1,263,521		7.5
Manufacturing	1,384,392		6.9		1,208,688		7.2
Retail trade	1,364,773		6.8		1,202,958		7.2
Accommodation and food services	1,310,059		6.5		921,515		5.5
Professional, scientific, and technical services	1,266,776		6.3		883,433		5.3
Wholesale trade	1,181,295		5.9		1,138,145		6.8
Other services	1,178,357		5.9		1,005,420		6.0
Real estate and rental and leasing	1,118,949		5.6		1,126,828		6.7
Construction	1,081,726		5.4		702,892		4.2
Transportation and warehousing	953,810		4.8		854,954		5.1
Arts, entertainment and recreation	854,972		4.3		771,846		4.6
Real estate other	686,309		3.4		615,441		3.7
Educational services	606,981		3.0		409,639		2.4
Public Administration	421,655		2.1		342,329		2.0
Administration, support, waste management, and remediation	404,894		2.0		302,711		1.8
Agriculture, forestry, fishing, and hunting	392,273		2.0		369,185		2.2
Information	377,391		1.9		314,740		1.9
Other Industries	218,599		1.1		251,770		1.5
Total commercial and industrial loans	$	20,014,151	100.0	%	$	16,769,370	100.0	%

(1)    Loan balance in each category expressed as a percentage of total C&I loans.

At September 30, 2020, $13.12 billion of C&I loans, or 33.2% of the total loan portfolio (including PPP loans of $2.71 billion net of unearned fees), represented loans originated for the purpose of financing commercial, financial, and agricultural business activities. The primary source of repayment on these loans is revenue generated from products or services offered by the business or organization. The secondary source of repayment is the collateral, which consists primarily of equipment, inventory, accounts receivable, time deposits, cash surrender value of life insurance, and other business assets.

At September 30, 2020, $6.89 billion of C&I loans, or 17.4% of the total loan portfolio, represented loans originated for the purpose of financing owner-occupied properties. The financing of owner-occupied facilities is considered a C&I loan even though there is improved real estate as collateral. This treatment is a result of the credit decision process, which focuses on cash flow from operations of the business to repay the debt. The secondary source of repayment on these loans is the underlying real estate. These loans are predominately secured by owner-occupied and other real estate, and to a lesser extent, other types of collateral.

Commercial Real Estate Loans

CRE loans consist primarily of income-producing investment properties loans. Additionally, CRE loans include 1-4 family properties loans as well as land and development loans. Total CRE loans of $10.97 billion increased $472.1 million, or 4%, from December 31, 2019, driven primarily by growth in income-producing investment properties.

Investment properties loans consist of construction and mortgage loans for income-producing properties and are primarily made to finance multi-family properties, hotels, office buildings, shopping centers, warehouses and other commercial development properties. Total investment properties loans as of September 30, 2020 were $9.66 billion, or 88.1%, of the CRE loan portfolio, and increased $658.1 million, or 7%, from December 31, 2019 with most sub-categories experiencing growth other than shopping centers, which were down $86.6 million, or 5%, from December 31, 2019.

1-4 Family Properties Loans

1-4 family properties loans include construction loans to home builders and commercial mortgage loans related to 1-4 family rental properties and are almost always secured by the underlying property being financed by such loans. These properties are primarily located in the markets served by Synovus. At September 30, 2020, 1-4 family properties loans totaled $655.0 million, or 6.0% of the CRE loan portfolio, and decreased by $125.0 million, or 16%, from December 31, 2019.

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Land and Development Loans

Land and development loans include commercial and residential development as well as land acquisition loans and are secured by land held for future development, typically in excess of one year. Properties securing these loans are substantially within markets served by Synovus and loan terms generally include personal guarantees from the principals. Loans in this portfolio are underwritten based on the LTV of the collateral and the capacity of the guarantor(s). Land and development loans of $648.4 million at September 30, 2020 decreased $61.1 million, or 9%, from $709.4 million at December 31, 2019.

Consumer Loans

The consumer loan portfolio consists of a wide variety of loan products offered through Synovus' banking network including first and second residential mortgages, HELOCs, and credit card loans, as well as home improvement, student, and personal loans from third-party lending partnerships. The majority of Synovus' consumer loans are consumer mortgages and HELOCs secured by first and second liens on residential real estate primarily located in the markets served by Synovus.

Consumer loans at September 30, 2020 of $8.67 billion decreased $1.26 billion, or 13%, compared to December 31, 2019 due to the strategic disposition of certain third-party single-service consumer loans and non-relationship consumer mortgage loans. Consumer mortgages grew $112.2 million, or 2.0%, from December 31, 2019 due to record production primarily resulting from the low rate environment in addition to continued successful recruiting of MLOs somewhat offset by the strategic sale of $180.2 million in non-relationship consumer mortgage loans. HELOCs decreased $98.0 million, or 6%, from December 31, 2019. Credit card loans of $264.8 million at September 30, 2020 included $56.6 million of commercial credit card loans, and decreased $4.0 million from $268.8 million at December 31, 2019. Other consumer loans decreased $1.27 billion, or 53%, from December 31, 2019 primarily due to the strategic disposition of certain third-party single-service consumer loans totaling $1.10 billion. As of September 30, 2020, third-party lending partnerships had combined balances of $714.3 million, or 1.8%, of the total loan portfolio, compared to $1.98 billion, or 5.3%, of the total loan portfolio, at December 31, 2019.

Consumer loans are subject to uniform lending policies and consist primarily of loans with strong borrower credit scores. Synovus makes consumer lending decisions based upon a number of key credit risk determinants including FICO scores as well as loan-to-value and debt-to-income ratios. Consumer loans are generally assigned a risk rating on a 9-point scale based on credit bureau scores, with a loan grade of 1 assigned as the lowest level of risk and a loan grade of 6 as the highest level of risk. No loans graded higher than a 6 at origination are approved for funding. At least annually, the consumer loan portfolio data is sent to a consumer credit reporting agency for a refresh of customers' credit scores so that management can evaluate ongoing consistency or negative migration in the quality of the portfolio, which impacts the ALL. Revolving lines of credit are reviewed for a material change in financial circumstances, and when appropriate, the line of credit may be suspended for further advances. FICO scores within the residential real estate portfolio have generally remained stable over the last several years. As of September 30, 2020, weighted-average FICO scores within the residential real estate portfolio based on committed balances were 790 for HELOCs and 778 for Consumer Mortgages.

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Deposits

Deposits provide the most significant funding source for interest earning assets. The following table shows the composition of period-end deposits as of the dates indicated. See Table 10 - Average Balances and Yields/Rates in this Report for information on average deposits including average rates.

Table 4 - Composition of Period-end Deposits
(dollars in thousands)	September 30, 2020		%(1)		June 30, 2020		%(1)		December 31, 2019		%(1)		September 30, 2019		%(1)
Non-interest-bearing demand deposits(2)	$	12,129,777	27.2	%	$	11,830,675	26.8	%	$	8,661,220	22.6	%	$	8,970,218	24.0	%
Interest-bearing demand deposits(2)	5,291,135		11.8		5,057,234		11.4		4,769,505		12.4		4,714,817		12.6
Money market accounts(2)	12,441,340		27.8		11,457,223		26.0		9,827,357		25.6		9,212,140		24.6
Savings deposits(2)	1,125,985		2.5		1,080,119		2.4		909,500		2.4		897,292		2.4
Public funds	5,791,944		13.0		5,347,351		12.1		4,622,318		12.0		3,795,320		10.1
Time deposits(2)	3,976,464		8.9		5,131,676		11.6		6,185,611		16.1		6,647,788		17.8
Brokered deposits	3,909,259		8.8		4,290,302		9.7		3,429,993		8.9		3,195,495		8.5
Total deposits	$	44,665,904	100.0	%	$	44,194,580	100.0	%	$	38,405,504	100.0	%	$	37,433,070	100.0	%
Core deposits(3)	$	40,756,645	91.2	%	$	39,904,278	90.3	%	$	34,975,511	91.1	%	$	34,237,575	91.5	%
Core transaction deposits(4)	$	30,988,237	69.4	%	$	29,425,251	66.6	%	$	24,167,582	62.9	%	$	23,794,467	63.6	%
Time deposits greater than $100,000, including brokered and public funds	$	5,478,221	12.3	%	$	6,875,462	15.6	%	$	7,262,833	18.9	%	$	7,574,038	20.2	%
Brokered time deposits	$	1,996,133	4.5	%	$	2,442,940	5.5	%	$	2,154,095	5.6	%	$	2,098,643	5.6	%

(1)    Deposits balance in each category expressed as percentage of total deposits.

(2)    Excluding any public funds or brokered deposits.

(3)    Core deposits exclude brokered deposits.

(4)    Core transaction deposits consist of non-interest-bearing demand deposits, interest-bearing demand deposits, money market accounts, and savings deposits excluding public funds and brokered deposits.

Total period-end deposits at September 30, 2020 increased $471.3 million, or 1%, compared to June 30, 2020, and increased $6.26 billion, or 16%, compared to December 31, 2019. Core transaction deposits increased $1.56 billion, or 5%, sequentially, and increased $6.82 billion, or 28%, compared to December 31, 2019. The significant increase in deposit balances compared to December 31, 2019 is due largely to the current uncertain economic environment as well as government stimulus programs including deposits associated with PPP loans. The sequential quarter growth in lower cost core transaction accounts of $1.56 billion included growth in non-interest-bearing demand deposits of $299.1 million, money market accounts of $984.1 million, NOW accounts of $233.9 million, and savings balances of $45.9 million, and more than offset strategic declines of $1.16 billion and $381.0 million in time deposits and brokered deposits, respectively. Total deposit cost declined 14 bps during the third quarter of 2020, compared to the second quarter of 2020 due to pricing diligence and product remixing.

On an average basis, the increase in total deposits was $1.24 billion, or 3%, compared to the second quarter of 2020.

Non-interest Revenue

Non-interest revenue for the third quarter of 2020 was $114.4 million, up $25.7 million, or 29%, and year-to-date was $391.8 million, up $133.8 million, or 52%, compared to the same periods in 2019. Adjusted non-interest revenue, which excludes net investment securities gains/(losses) and gain on sale/fair value increase/(decrease) of private equity investments, for the third quarter of 2020 was $115.7 million, up $24.4 million, or 27%, from the third quarter of 2019, and on a year-to-date basis was $310.4 million compared to $259.9 million for the first nine months of 2019, up $50.5 million, or 19%. The increase in adjusted non-interest revenue was due primarily to strong growth in mortgage banking income with record production driven by the current rate environment. In the fourth quarter, we expect to see declines in mortgage revenue, as compared to the third quarter of 2020. See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for applicable reconciliation to GAAP measures.

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The following table shows the principal components of non-interest revenue.

Table 5 - Non-interest revenue
	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands)	2020		2019		% Change		2020		2019		% Change
Service charges on deposit accounts	$	17,813	$	22,952	(22)	%	$	54,069	$	65,805	(18)	%
Fiduciary and asset management fees	15,885		14,686		8		46,009		42,743		8
Card fees	10,823		12,297		(12)		30,959		34,334		(10)
Brokerage revenue	10,604		11,071		(4)		32,987		30,502		8
Mortgage banking income	31,229		10,351		202		66,987		23,313		187
Capital markets income	5,690		7,396		(23)		22,984		21,557		7
Income from bank-owned life insurance	7,778		5,139		51		21,572		15,605		38
Investment securities (losses) gains, net	(1,550)		(3,731)		nm		76,594		(5,502)		nm
Gain on sale and increase in fair value of private equity investments	260		1,194		nm		4,712		3,507		nm
Other non-interest revenue	15,879		7,405		114		34,879		26,081		34
Total non-interest revenue	$	114,411	$	88,760	29	%	$	391,752	$	257,945	52	%

Three and Nine Months Ended September 30, 2020 compared to September 30, 2019

Service charges on deposit accounts for the three and nine months ended September 30, 2020 were down $5.1 million, or 22%, and $11.7 million, or 18%, respectively, due primarily to the impact of COVID-19, including fewer transactions and the impact of higher average balances due to stimulus funds. Service charges on deposit accounts consist of NSF fees, account analysis fees, and all other service charges. NSF fees were down $4.4 million, or 43%, and $9.3 million, or 33%, for the three and nine months ended September 30, 2020, respectively. Account analysis fees were up $168 thousand, or 2%, and down $283 thousand, or 1%, for the three and nine months ended September 30, 2020, respectively. All other service charges on deposit accounts, which consist primarily of monthly fees on retail demand deposits, saving accounts, and small business accounts, for the three and nine months ended September 30, 2020, were down $882 thousand, or 16%, and $2.2 million, or 14%, respectively.

Fiduciary and asset management fees are derived from providing estate administration, personal trust, corporate trust, corporate bond, investment management, and financial planning services. Fiduciary and asset management fees increased $1.2 million, or 8%, and $3.3 million, or 8%, for the three and nine months ended September 30, 2020, respectively. The increases were driven by growth in total assets under management which increased by 8% year-over-year to $17.54 billion.

Card fees for the three and nine months ended September 30, 2020 were down $1.5 million, or 12%, and $3.4 million, or 10%, respectively, due to lower transaction volume as a result of the impact of COVID-19. Card fees consist primarily of credit card interchange fees, debit card interchange fees, and merchant discounts. Card fees are reported net of certain associated expense items including customer loyalty program expenses and network expenses.

Brokerage revenue of $10.6 million for the three months ended September 30, 2020 was down $466 thousand, or 4%, and for the nine months ended September 30, 2020 was $33.0 million, up $2.5 million, or 8%. The year-over-year growth was driven by growth in assets under management, increasing contributions from 2019 new hires, and higher transaction revenue from elevated market volatility. Brokerage revenue consists primarily of brokerage commissions as well as advisory fees earned from the management of customer assets.

Mortgage banking income was significantly higher in the first nine months of 2020, with increases of $20.9 million and $43.7 million for the three and nine months ended September 30, 2020, respectively. Mortgage banking income was driven by higher production and sales, including an increase in refinance volume, due primarily to a decline in long-term interest rates. Total secondary market mortgage loan production was $653.9 million, up $371.3 million, and $1.54 billion, up $916.9 million, for the three and nine months ended September 30, 2020, respectively.

Capital markets income primarily includes fee income from customer derivative transactions. Additionally, capital markets income includes fee income from capital raising investment banking transactions and foreign exchange as well as other miscellaneous income from capital market transactions. While capital markets income was $1.7 million lower for the three months ended September 30, 2020, capital markets income for the first nine months of 2020 was up $1.4 million, as commercial clients locked in lower rates on borrowings late in the first quarter.

Income from BOLI, which includes increases in the cash surrender value of policies and proceeds from insurance benefits, increased $2.6 million, or 51%, and $6.0 million, or 38%, for the three and nine months ended September 30, 2020,

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respectively, due primarily to additional investments in BOLI policies during the first quarter of 2020. The first nine months of 2020 included income on proceeds from insurance benefits of $1.3 million compared to $233 thousand in 2019.

Investment securities gains (losses), net, of $(1.6) million and $76.6 million for the three and nine months ended September 30, 2020, respectively, reflected strategic repositioning of the portfolio primarily during the latter part of the second quarter of 2020. The transactions were primarily focused on agency mortgage-backed securities, but also included the disposition of Synovus' remaining $155.0 million in asset-backed securities.

Gain on sale and increase/(decrease) in fair value of private equity investments included realized gains during the second quarter of 2020 from the sale of positions in two publicly traded equity investments, offset partially by write-downs on two smaller remaining investments.

The main components of other non-interest revenue are fees for letters of credit and unused lines of credit, safe deposit box fees, access fees for ATM use, other service charges, income from insurance commissions, gains from sales of GGL/SBA loans, and other miscellaneous items. Insurance commission revenue for the three and nine months ended September 30, 2020 was up $1.6 million and $1.7 million, respectively. The third quarter of 2020 included a $2.8 million favorable valuation adjustment for tax credit investments and a gain of $2.5 million from the sale of non-relationship mortgage loans. Additionally, the first quarter of 2020 included a sale-leaseback gain of $2.4 million associated with a bank office property while the second quarter of 2020 included an unfavorable valuation adjustment of $1.6 million for tax credit investments.

Non-interest Expense

Non-interest expense for the third quarter of 2020 was $316.7 million, up $40.3 million, or 15%, compared to the third quarter of 2019 and adjusted non-interest expense of $268.7 million was up $10.3 million, or 4%. On a year-to-date basis, non-interest expense was up $44.2 million, or 5%, and adjusted non-interest expense was up $58.5 million, or 8%. During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing the goodwill allocated to the Consumer Mortgage reporting unit. The increase in adjusted expense during the first nine months of 2020 was largely driven by mortgage production commissions, expense associated with Synovus' internal revenue growth and efficiency initiatives, COVID-19 related expenses, and investments in talent and technology. The efficiency ratio-FTE for the first nine months of 2020 was 57.66%, compared to 57.17% for the first nine months of 2019. The adjusted tangible efficiency ratio for the first nine months of 2020 was 56.14%, up 478 bps compared to the same period a year ago. Excluding expenses associated with Synovus Forward initiatives, we expect adjusted non-interest expense in the fourth quarter to be in-line with adjusted non-interest expense in the third quarter of 2020. See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for applicable reconciliation to GAAP measures.

The following table summarizes the components of non-interest expense.

Table 6 - Non-interest Expense
	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands)	2020		2019		% Change		2020		2019		% Change
Salaries and other personnel expense	$	154,994	$	142,516	9	%	$	464,268	$	424,952	9	%
Net occupancy, equipment, and software expense	41,554		41,017		1		125,475		119,262		5
Third-party processing and other services	20,620		18,528		11		63,466		55,403		15
Professional fees	13,377		9,719		38		39,358		25,379		55
FDIC insurance and other regulatory fees	6,793		7,242		(6)		18,922		21,872		(14)
Amortization of intangibles	2,640		2,901		(9)		7,920		8,702		(9)
Goodwill impairment	44,877		—		nm		44,877		—		nm
Earnout liability adjustments	—		10,457		nm		4,908		10,457		nm
Merger-related expense	—		353		nm		—		57,493		nm
Restructuring charges	2,882		(66)		nm		8,924		(29)		nm
Loss on early extinguishment of debt	154		4,592		nm		2,057		4,592		nm
Valuation adjustment to Visa derivative	—		2,500		nm		—		2,500		nm
Other operating expenses	28,764		36,551		(21)		96,901		102,264		(5)
Total non-interest expense	$	316,655	$	276,310	15	%	$	877,076	$	832,847	5	%

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Three and Nine Months Ended September 30, 2020 compared to September 30, 2019

Salaries and other personnel expense increased $12.5 million, or 9%, and $39.3 million, or 9%, for the three and nine months ended September 30, 2020, respectively, due primarily to higher mortgage production-based commissions, COVID-19 related bonus payments to certain front-line employees, and investments in talent. Total headcount of 5,347 declined 81 from June 30, 2020 and 57 from September 30, 2019.

Net occupancy, equipment, and software expense increased $537 thousand, or 1%, and $6.2 million, or 5%, during the three and nine months ended September 30, 2020, respectively, primarily due to investments in technology as well as increases in net rent expense. Synovus expects net rent expense to decline during the fourth quarter of 2020, as compared to expense during the third quarter of 2020, as Synovus optimizes its physical space with branch and corporate real estate closures.

Third-party processing and other services includes all third-party core operating system and processing charges as well as third-party loan servicing charges. Third-party processing expense increased $2.1 million, or 11%, and $8.1 million, or 15%, for the three and nine months ended September 30, 2020, respectively. The increase is primarily associated with loan growth from Synovus' consumer-based lending partnerships. However, during the second quarter of 2020, Synovus restructured certain of its third-party consumer-based lending partnership arrangements with a shift of new originations to held for sale and thereby reducing future third-party loan servicing expense.

Professional fees increased $3.7 million, or 38%, and $14.0 million, or 55%, for the three and nine months ended September 30, 2020, respectively, from increases in consulting fees related to Synovus' internal revenue growth and efficiency initiative, "Synovus Forward".

FDIC insurance and other regulatory fees were down $449 thousand and $3.0 million for the three and nine months ended September 30, 2020, respectively, due primarily to strategic balance sheet management actions, aimed at reducing FDIC expense.

During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing the goodwill allocated to the Consumer Mortgage reporting unit resulting from a combination of factors including the extended duration of lower market valuations, high volumes in refinance activity that have reduced mortgage yields, and the clarity around longer term policy actions designed to keep interest rates low.

Earnout liability fair value adjustments associated with the Global One acquisition are the result of higher than projected earnings and higher earnings estimates over the remaining contractual earnout period, reflecting the continued success of the Global One enterprise. The earnout period ends on June 30, 2021.

In connection with the FCB acquisition, Synovus incurred merger-related expense totaling $353 thousand and $57.5 million for the three and nine months ended September 30, 2019, respectively, primarily related to employment compensation agreements, severance, and professional services. See "Part I - Item 1. Financial Statements and Supplementary Data - Note 2 - Acquisitions" in this Report for more information on the acquisition of FCB.

During the three and nine months ended September 30, 2020, Synovus recorded $2.9 million and $8.9 million, respectively, in restructuring charges primarily related to branch closures and restructuring of corporate real estate as part of the Synovus Forward initiative. Synovus Bank operated 292 branches at September 30, 2020 and at November 2, 2020 Synovus Bank operated 288 branches, compared to 298 branches at December 31, 2019, following the closing of 12 branches and opening of two new branches during 2020. See "Part I - Item 1. Financial Statements and Supplementary Data - Note 12 - Subsequent Events", regarding Synovus' voluntary early retirement program and associated one-time termination benefit restructuring charge of approximately $14 million recorded in October, 2020.

On February 25, 2020, Synovus terminated a $250.0 million long-term FHLB obligation and incurred a $1.9 million loss on early extinguishment of debt and on September 15, 2020, Synovus terminated a $500 million long-term FHLB obligation and incurred a $154 thousand loss on early extinguishment of debt.

Other operating expenses includes advertising, travel, insurance, network and communication, other taxes, subscriptions and dues, other loan and ORE expense, postage and freight, training, business development, supplies, donations, and other miscellaneous expenses. Other operating expenses were down $7.8 million and $5.4 million, for the three and nine months ended September 30, 2020, respectively. Advertising expense was down $3.3 million and $6.7 million for the three and nine months ended September 30, 2020, respectively, and travel expense was down $1.8 million and $4.8 million for the three and nine months ended September 30, 2020, respectively. Other operating expenses for the nine months ended September 30, 2020 includes a $2.7 million valuation adjustment on a MPS receivable, a $2.5 million charge from termination of customer swaps, and a $1.0 million donation to the United Negro College Fund.

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Income Tax Expense

Income tax expense was $39.8 million for the three months ended September 30, 2020, representing an effective tax rate of 30.3%, compared to income tax expense of $51.3 million for the three months ended September 30, 2019, representing an effective tax rate of 27.4%. The increase in the effective tax rate for the three months ended September 30, 2020, as compared to the three months ended September 30, 2019, is primarily related to a non-deductible goodwill impairment charge of $44.9 million recorded during the third quarter of 2020.

Income tax expense was $74.3 million for the nine months ended September 30, 2020, representing an effective tax rate of 25.0%, compared to income tax expense of $146.3 million for the nine months ended September 30, 2019, representing an effective tax rate of 26.2%. The effective tax rate for the nine months ended September 30, 2020 includes the impact of the non-deductible goodwill impairment charge recognized during the third quarter of 2020, partly offset by discrete tax benefits including a $2.7 million benefit for carrying back net operating loss deductions to pre-TJCA tax periods, as allowed by the CARES Act, a $1.4 million benefit for a state tax rate change, and $2.3 million in other net discrete benefit items, including discrete items related to prior periods. The effective tax rate in the first nine months of 2019 was higher largely due to nondeductible merger-related expenses associated with the FCB acquisition.

Synovus’ effective tax rate considers many factors including, but not limited to, the level of pre-tax income, BOLI, tax-exempt interest, certain income tax credits, and nondeductible expenses. In addition, the effective tax rate is affected by items that may occur in any given period but are not consistent from period-to-period, such as tax benefits related to share-based compensation, jurisdiction statutory tax rate changes, valuation allowance changes, and changes to unrecognized tax benefits. Accordingly, the comparability of the effective tax rate between periods may be impacted.

With the exception of the net operating loss carryback deductions and certain state concessions, we do not expect the provisions of the CARES Act to have a significant impact on the Company’s current tax provision. With regard to the CARES Act payroll tax deferrals, Synovus estimates the payment of approximately $16.6 million of employer payroll taxes otherwise due in 2020 will be delayed, with 50% due by December 31, 2021 and the remaining 50% by December 31, 2022.

CREDIT QUALITY, CAPITAL RESOURCES AND LIQUIDITY

Credit Quality

Synovus continuously monitors the quality of its loan portfolio by industry, property type, geography, as well as credit quality metrics. Credit metrics deteriorated slightly during the third quarter of 2020 with slight increases in NPAs, NPLs, and past dues from June 30, 2020; however, these increases were primarily isolated to specific credits, and we have not experienced widespread deterioration in the portfolio.

During the three months ended September 30, 2020, loan downgrades to Special Mention and Substandard totaled $731.0 million and $137.5 million, respectively, primarily due to downgrades of $600.0 million in the hotel portfolio, one of the hardest hit industries. Synovus' hotel loan portfolio totaled $1.41 billion at September 30, 2020 compared to $1.36 billion at June 30, 2020.

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Synovus does expect some pressure on credit metrics over the next few quarters, which aligns with the reserve builds to-date during 2020 under CECL. We are continuously working with our customers to evaluate how the current economic conditions are impacting, and will continue to impact, their business operations.

The table below includes selected credit quality metrics.

Table 7 - Credit Quality Metrics
(dollars in thousands)	September 30, 2020			December 31, 2019			September 30, 2019
Non-performing loans	$	168,837		$	101,636		$	115,915
ORE and other assets	23,280			35,810			35,400
Non-performing assets	$	192,117		$	137,446		$	151,315
Total loans	$	39,549,847		$	37,162,450		$	36,417,826
Non-performing loans as a % of total loans	0.43		%	0.27		%	0.32		%
Non-performing assets as a % of total loans, ORE, and specific other assets	0.49			0.37			0.42
Loans 90 days past due and still accruing	$	7,512		$	15,943		$	15,660
As a % of total loans	0.02		%	0.04		%	0.04		%
Total past due loans and still accruing	$	57,316		$	123,793		$	88,219
As a % of total loans	0.14		%	0.33		%	0.24		%
Net charge-offs, quarter	$	28,466		$	8,821		$	19,925
Net charge-offs/average loans, quarter	0.29		%	0.10		%	0.22		%
Net charge-offs, year-to-date	$	72,573		$	57,612		$	48,792
Net charge-offs/average loans, year-to-date	0.25		%	0.16		%	0.18		%
Provision for loan losses, quarter	$	43,618		$	24,470		$	27,562
Provision for unfunded commitments, quarter	(235)			*			*
Provision for credit losses, quarter	$	43,383		$	24,470		$	27,562
Provision for loan losses, year-to-date	311,977			87,720			63,250
Provision for unfunded commitments, year-to-date	31,979			*			*
Provision for credit losses, year-to-date	343,956			87,720			63,250
Allowance for loan losses	603,800			281,402			265,013
Reserve for unfunded commitments	60,794			1,375			1,496
Allowance for credit losses	$	664,594		$	282,777		$	266,509
ACL to loans coverage ratio	1.68		%	0.76		%	0.73		%
ALL to loans coverage ratio	1.53			0.76			0.73
ACL/NPLs	393.63			278.23			229.92
ALL/NPLs	357.62			276.87			228.63

*    Prior to CECL implementation on January 1, 2020, the provision for unfunded commitments was reflected within other non-interest expense.

Non-performing Assets

Total NPAs as a percentage of total loans, ORE, and specific other assets were 0.49% at September 30, 2020 compared to 0.37% at December 31, 2019 and 0.42% at September 30, 2019. Total NPAs were $192.1 million at September 30, 2020 compared to $137.4 million at December 31, 2019 and $151.3 million at September 30, 2019. The increase in NPLs and NPAs compared to December 31, 2019 was mostly isolated to a few larger commercial relationships being designated as non-performing.

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Provision for Credit Losses and Allowance for Credit Losses

Provision for credit losses (which includes the provision for loan losses and unfunded commitments) of $43.4 million for the three months ended September 30, 2020 included net charge-offs of $28.5 million and the impact of downgrades largely concentrated in the hotel portfolio, which were mostly offset by improvement in the economic forecast which included adjustments for the estimated impact of currently enacted government stimulus plans, as well as reserve releases from loan dispositions. Provision for credit losses of $344.0 million for the nine months ended September 30, 2020, resulted in the building of the ACL required under CECL primarily as a result of uncertainty and deterioration in the economic environment due to the impact of COVID-19. The amount of provision for credit losses going forward will continue to fluctuate based on a number of factors including economic outlook, loan growth, loan mix, risk grade migration, as well as the timing and impact of any future government stimulus plans. The ACL at September 30, 2020 totaled $664.6 million consisting of an ALL of $603.8 million and reserve for unfunded commitments of $60.8 million, resulting in an ACL to loans coverage ratio of 1.68% and an ACL to NPLs ratio of 394%. Excluding PPP loans, the ACL to loans coverage ratio was 1.80%.

Table 8 - Accruing TDRs by Risk Grade
	September 30, 2020				December 31, 2019				September 30, 2019
(dollars in thousands)	Amount		%		Amount		%		Amount		%
Pass	$	69,433	42.5	%	$	70,574	53.0	%	$	65,171	50.1	%
Special mention	13,303		8.1		11,735		8.8		14,053		10.8
Substandard accruing	80,775		49.4		50,836		38.2		50,795		39.1
Total accruing TDRs	$	163,511	100.0	%	$	133,145	100.0	%	$	130,019	100.0	%

Troubled Debt Restructurings

Accruing TDRs were $163.5 million at September 30, 2020, compared to $133.1 million at December 31, 2019 and $130.0 million at September 30, 2019. Accruing TDRs increased $30.4 million from December 31, 2019 and $33.5 million from September 30, 2019. The primary driver of the increase in accruing TDRs compared to December 31, 2019 is a result of a large relationship being designated as an accruing TDR in the first quarter of 2020 due to interest rate and term concessions. Non-accruing TDRs were $4.6 million at September 30, 2020, compared to $17.1 million at December 31, 2019 and $13.6 million at September 30, 2019.

Accruing TDRs are considered performing because they are performing in accordance with the restructured terms. At September 30, 2020, December 31, 2019, and September 30, 2019, approximately 99%, 99%, and 98%, respectively, of accruing TDRs were current. In addition, subsequent defaults on accruing TDRs (defaults defined as the earlier of the TDR being placed on non-accrual status or reaching 90 days past due with respect to principal and/or interest payments within twelve months of the TDR designation) have continued to remain at low levels.

Non-TDR Modifications due to COVID-19

Regulatory agencies encouraged financial institutions to work prudently with borrowers who are or may be unable to meet their contractual payment obligations because of COVID-19. In the Interagency Statement on Loan Modifications and Reporting for Financial Institutions Working with Customers Affected by the Coronavirus (initially issued on March 22, 2020 and revised on April 7, 2020), for example, the regulatory agencies expressed their view of loan modification programs as positive actions that may mitigate adverse effects on borrowers due to COVID-19 and their unwillingness to criticize institutions for working with borrowers in a safe and sound manner. Moreover, the Interagency Statement provided that eligible loan modifications related to COVID-19 may be accounted for under section 4013 of the CARES Act or in accordance with ASC 310-40. Section 4013 of the CARES Act allows banks to elect to not consider loan modifications related to COVID-19 that are made between March 1, 2020 and the earlier of December 31, 2020, or 60 days after the National Emergency ends to borrowers that are current (i.e., less than 30 days past due as of December 31, 2019) as TDRs. The regulatory agencies further stated that performing loans granted payment deferrals due to COVID-19 are not considered past due or non-accrual. FASB confirmed the foregoing regulatory agencies' view, that such short-term modifications (e.g., six months) made on a good-faith basis in response to COVID-19 for borrowers who are current are not TDRs. Beginning in late March 2020, Synovus provided relief programs consisting primarily of 90-day payment deferral relief to borrowers negatively impacted by COVID-19 and has primarily accounted for these loan modifications in accordance with ASC 310-40. During the third quarter, upon evaluation of facts and circumstances, the CARES Act was elected for certain loan modifications that met the criteria of section 4013 of the CARES Act. The deferred payments along with interest accrued during the deferral period are generally due and payable on the maturity date of the existing loan. Based on the terms of the deferral relief program which did not provide for forgiveness of interest, Synovus has recognized interest income on loans during the deferral period. As of September 30, 2020, approximately 1% of the total loan portfolio was in a P&I deferral status, down significantly from approximately 15% of our loan portfolio that had been granted P&I deferral through our relief programs as of the filing of our first quarter 2020 10-Q. In addition to our

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P&I deferment program, we have also provided borrowers who have been impacted during the current crisis with other modifications such as interest only relief or amortization extensions on approximately 2% of total loans.

Capital Resources

Synovus and Synovus Bank are required to comply with capital adequacy standards established by their primary federal regulator, the Federal Reserve. Synovus and Synovus Bank measure capital adequacy using the standardized approach to Basel III. At September 30, 2020, Synovus and Synovus Bank's capital levels exceeded well-capitalized requirements currently in effect. The following table presents certain ratios used to measure Synovus and Synovus Bank's capitalization.

Table 9 - Capital Ratios
(dollars in thousands)	September 30, 2020			December 31, 2019
CET1 capital
Synovus Financial Corp.	$	3,913,402		$	3,743,459
Synovus Bank	4,674,063			4,640,501
Tier 1 risk-based capital
Synovus Financial Corp.	4,450,547			4,280,604
Synovus Bank	4,674,063			4,640,501
Total risk-based capital
Synovus Financial Corp.	5,536,918			5,123,381
Synovus Bank	5,201,409			4,923,279
CET1 capital ratio
Synovus Financial Corp.	9.30		%	8.95		%
Synovus Bank	11.08			11.10
Tier 1 risk-based capital ratio
Synovus Financial Corp.	10.57			10.23
Synovus Bank	11.08			11.10
Total risk-based capital to risk-weighted assets ratio
Synovus Financial Corp.	13.16			12.25
Synovus Bank	12.33			11.78
Leverage ratio
Synovus Financial Corp.	8.48			9.16
Synovus Bank	8.91			9.94
Tangible common equity ratio(1)
Synovus Financial Corp.	7.67			8.08

(1)     See "Table 14 - Reconciliation of Non-GAAP Financial Measures” in this Report for the applicable reconciliation to the most comparable GAAP measure.

At September 30, 2020, Synovus' CET1 ratio increased to 9.30%, well in excess of regulatory requirements including the capital conservation buffer of 2.5%. The September 30, 2020 CET1 ratio improved 40 bps compared to June 30, 2020 and 35 bps compared to December 31, 2019 from a combination of earnings and balance sheet activities. These balance sheet activities included the settlement of our second quarter bond repositioning and our on-going efforts to manage non-relationship loan portfolios as we prioritize our balance sheet for core, client relationships. We remain focused on supporting our overall capital position and are targeting the higher end of our CET1 operating range of 9.0% to 9.5%, given the heightened uncertainty in the current economic environment. For additional information on regulatory capital requirements, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 11 - Regulatory Capital" to the consolidated financial statements of Synovus' 2019 Form 10-K. Management reviews the Company's capital position on an on-going basis and believes, based on internal capital analyses and earnings projections, that Synovus is well positioned to meet relevant regulatory capital standards.

As a result of the greater economic uncertainty associated with the current pandemic, Synovus suspended its share repurchase activity beyond the $16.2 million (450 thousand shares) of its common stock repurchased during the first quarter.

On August 26, 2020, the federal banking regulators issued a final rule (following an interim final rule issued on March 27, 2020) that allows electing banking organizations that adopt CECL during 2020 to mitigate the estimated effects of CECL on regulatory capital for two years, followed by a three-year phase-in transition period. Synovus adopted CECL on January 1, 2020 and the September 30, 2020 regulatory capital ratios reflect Synovus' election of the five-year transition provision. For

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additional information on Synovus' adoption of CECL, see "Part I - Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation and Accounting Policies" in this Report.

Dividends

Synovus has historically paid a quarterly cash dividend to the holders of its common stock. Management and the Board of Directors closely monitor current and projected capital levels, liquidity (including dividends from subsidiaries), financial markets and other economic trends, as well as regulatory requirements regarding the payment of dividends. As Synovus navigates through the current recession and regulatory guidelines, the approach to common stock dividends will be continually evaluated based on an assessment of long-term earnings, capital projections, and liquidity.

Synovus' ability to pay dividends on its common stock and preferred stock is primarily dependent upon dividends and distributions that it receives from its bank and non-banking subsidiaries, which are restricted by various regulations administered by federal and state bank regulatory authorities.

Synovus declared common stock dividends of $145.8 million, or $0.99 per common share, for the nine months ended September 30, 2020, up from $138.9 million, or $0.90 per common share, for the nine months ended September 30, 2019, respectively. In addition, Synovus declared dividends on its preferred stock of $24.9 million and $14.6 million during the nine months ended September 30, 2020 and 2019, respectively.

Liquidity

Liquidity represents the extent to which Synovus has readily available sources of funding to meet the needs of depositors, borrowers and creditors, to support asset growth, and to otherwise sustain operations of Synovus and its subsidiaries, at a reasonable cost, on a timely basis, and without adverse consequences. ALCO monitors Synovus' economic, competitive, and regulatory environment and is responsible for measuring, monitoring, and reporting on liquidity and funding risk as well as market risk.

In accordance with Synovus policies and regulatory guidance, ALCO evaluates contractual and anticipated cash flows under normal and stressed conditions to properly manage the Company’s liquidity profile. Synovus places an emphasis on maintaining numerous sources of current and contingent liquidity to meet its obligations to depositors, borrowers, and creditors on a timely basis. Liquidity is generated through various sources, including, but not limited to, maturities and repayments of loans by customers, maturities and sales of investment securities, and growth in core or wholesale deposits. Management continuously monitors and maintains appropriate levels of liquidity so as to provide adequate funding sources to manage customer deposit withdrawals, loan requests, and other funding demands.

Synovus Bank also generates liquidity through the issuance of brokered certificates of deposit and money market accounts. Synovus Bank accesses these funds from a broad geographic base to diversify its sources of funding and liquidity. Synovus Bank also has the capacity to access funding through its membership in the FHLB system and through the Federal Reserve discount window. During the first quarter of 2020, Synovus increased its FHLB availability by over $2.0 billion through expanding pledged collateral. At September 30, 2020, based on currently pledged collateral, Synovus Bank had access to incremental FHLB funding of $4.57 billion, subject to FHLB credit policies.

In addition to bank level liquidity management, Synovus must manage liquidity at the parent company level for various operating needs including the servicing of debt, the payment of dividends on our common stock and preferred stock, share repurchases, payment of general corporate expenses and potential capital infusions into subsidiaries. The primary source of liquidity for Synovus consists of dividends from Synovus Bank, which is governed by certain rules and regulations of the GA DBF and the Federal Reserve Bank. Synovus' ability to receive dividends from Synovus Bank in future periods will depend on a number of factors, including, without limitation, Synovus Bank's future profits, asset quality, liquidity, and overall condition. In addition, both the GA DBF and Federal Reserve Bank may require approval to pay dividends, based on certain regulatory statutes and limitations.

On February 12, 2020, Synovus Bank issued $400.0 million aggregate principal amount of 2.289% Fixed-to-Floating Rate Senior Bank Notes due 2023. From and including the original issue date to, but excluding, February 10, 2022, the Notes bear interest at a fixed rate of 2.289% per annum, payable semi-annually in arrears on each February 10 and August 10, beginning on August 10, 2020. Unless redeemed, from and including February 10, 2022 to but excluding the Maturity Date, the interest rate on the Notes is computed quarterly using an interest rate based on the SOFR with a daily index maturity plus a spread of 94.5 bps per annum, payable quarterly in arrears. Synovus Bank may redeem the Notes, at its option, on February 10, 2022 (which is the date that is one year prior to the Maturity Date) upon not less than 10 nor more than 60 days’ prior notice given to holders of the Notes. The redemption price for any redemption is 100% of the principal amount of the Notes, plus accrued and unpaid interest thereon to but excluding the date of redemption. The Notes are not redeemable at the option or election of holders.

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On February 25, 2020, Synovus terminated a $250.0 million long-term FHLB obligation and incurred a $1.9 million loss on early extinguishment of debt and on September 15, 2020, Synovus terminated a $500 million long-term FHLB obligation and incurred a $154 thousand loss on early extinguishment of debt.

Synovus presently believes that the sources of liquidity discussed above, including existing liquid funds on hand, are sufficient to meet its anticipated funding needs. However, if economic conditions were to significantly deteriorate, regulatory capital requirements for Synovus or Synovus Bank were to increase as the result of regulatory directives or otherwise, or Synovus believes it is prudent to enhance current liquidity levels, then Synovus may seek additional liquidity from external sources. See "Part I- Item 1A. Risk Factors - the COVID-19 pandemic has resulted in significant market volatility and lower interest rates that could materially affect Synovus’ results of operations and access to capital" of this Report and "Part I – Item 1A. Risk Factors - Changes in the cost and availability of funding due to changes in the deposit market and credit market may adversely affect our capital resources, liquidity and financial results" of Synovus' 2019 Form 10-K. Furthermore, Synovus may, from time to time, take advantage of attractive market opportunities to refinance its existing debt, redeem its preferred stock, or strengthen its liquidity or capital position.

Earning Assets and Sources of Funds

Average total assets for the nine months ended September 30, 2020 increased $5.00 billion, or 11%, to $51.57 billion as compared to $46.57 billion for the first nine months of 2019. Average earning assets increased $4.18 billion, or 10%, in the first nine months of 2020 compared to the same period in 2019 and represented 91.8% of average total assets at September 30, 2020, as compared to 92.7% at September 30, 2019. The increase in average earning assets primarily resulted from a $3.17 billion, or 9%, increase in average loans, net, which included average PPP loans of $1.64 billion, as well as a $578.3 million increase in average interest-bearing funds held at the Federal Reserve Bank and a $287.4 million increase in loans held for sale.

Average interest-bearing liabilities increased $2.19 billion, or 7%, to $34.11 billion for the first nine months of 2020 compared to the same period in 2019. The increase in average interest-bearing liabilities resulted from a $3.08 billion, or 28%, increase in average money market deposits (includes an increase of $863.7 million in other brokered deposits), a $879.2 million increase in average interest-bearing demand deposits, and a $451.8 million increase in average long-term debt, including $400.0 million of senior notes issued in February 2020. These increases were partially offset by a $1.98 billion, or 19%, decrease in average time deposits (includes an increase of $230.2 million in brokered time deposits) and a $316.6 million decrease in other short-term borrowings. Average non-interest-bearing demand deposits increased $2.13 billion, or 23%, to $11.37 billion for the first nine months of 2020 compared to the same period in 2019, due largely to liquidity associated with PPP lending.

Net interest income for the nine months ended September 30, 2020 was $1.13 billion, down $69.7 million, or 6%, compared to the same period in 2019. The decrease in year-over-year net interest income was due to declines of $62.5 million in PAA (primarily comprised of declines of $27.0 million of loan accretion and $32.9 million of deposit premium amortization) associated with the FCB acquisition and declines in market interest rates, which were somewhat offset by higher average earning assets. Net interest margin was down 52 bps over the comparable nine-month periods to 3.20%, due primarily to the decline in market interest rates in addition to declines in PAA. For the nine months ended September 30, 2020, the yield on earning assets was 3.88%, a decrease of 91 bps compared to the nine months ended September 30, 2019, while the effective cost of funds decreased 39 bps to 0.68%. The yield on loans decreased 96 bps to 4.20% while the yield on investment securities decreased 36 bps to 2.72% over the nine months ended September 30, 2019.

On a sequential quarter basis, net interest income was up $424 thousand and net interest margin for the third quarter was 3.10%, which was down 3 bps compared to the second quarter of 2020. The sequential quarter decline in net interest margin was primarily driven by the impact of bond repositioning and student loan sales executed in the second quarter of 2020, partially offset by further declines in deposit pricing and favorable deposit remixing trends. The third quarter included average PPP loan balances of $2.70 billion versus $2.21 billion in the second quarter and $11.9 million in accretion of associated PPP processing fees versus $9.2 million in the second quarter. For the third quarter of 2020, the yield on earning assets decreased 17 bps, while the effective cost of funds decreased 14 bps compared to the second quarter of 2020.

We continue to expect modest downward pressure on NIM as the repricing within our fixed-rate asset portfolios is partially offset by continued declines in overall deposit costs. Excluding the potential impacts from PPP forgiveness, we expect net interest income and net interest margin to decrease modestly in the fourth quarter of 2020 as compared to the third quarter of 2020.

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Quarterly yields earned on average interest-earning assets and rates paid on average interest-bearing liabilities for the five most recent quarters are presented below.

Table 10 - Average Balances and Yields/Rates	2020					2019
(dollars in thousands) (yields and rates annualized)	Third Quarter			Second Quarter	First Quarter	Fourth Quarter	Third Quarter
Interest Earning Assets:
Investment securities(1)(2)	$	7,227,400		6,618,533	6,680,047	6,696,768	6,831,036
Yield	2.39		%	2.72	3.09	3.12	3.14
Trading account assets(3)	$	5,391		6,173	6,306	7,986	5,519
Yield	1.69		%	2.19	2.70	2.69	4.01
Commercial loans(2)(4)	$	30,730,135		30,236,919	27,607,343	26,698,202	26,567,719
Yield	3.80		%	3.95	4.57	4.82	5.09
Consumer loans(4)	$	9,032,437		9,899,172	9,985,702	9,809,832	9,633,603
Yield	4.08		%	4.34	4.60	5.07	5.08
Allowance for loan losses	$	(591,098)		(498,545)	(368,033)	(269,052)	(258,024)
Loans, net(4)	$	39,171,474		39,637,546	37,225,012	36,238,982	35,943,298
Yield	3.92		%	4.08	4.62	4.93	5.13
Mortgage loans held for sale	$	244,952		221,157	86,415	117,909	99,556
Yield	2.92		%	3.09	3.67	3.77	3.93
Other loans held for sale	$	493,940		19,246	—	—	475
Yield	3.61		%	4.19	—	—	—
Other earning assets(5)	$	1,265,880		1,709,086	652,130	514,635	513,160
Yield	0.11		%	0.11	1.02	1.71	2.08
Federal Home Loan Bank and Federal Reserve Bank Stock(3)	$	200,923		247,801	284,082	278,586	254,994
Yield	2.73		%	3.60	3.38	2.85	3.85
Total interest earning assets	$	48,609,960		48,459,542	44,933,992	43,854,866	43,648,038
Yield	3.58		%	3.75	4.33	4.60	4.78
Interest-Bearing Liabilities:
Interest-bearing demand deposits	$	7,789,095		7,260,940	6,445,986	6,381,282	6,138,810
Rate	0.19		%	0.21	0.51	0.60	0.69
Money market accounts, excluding brokered deposits	$	13,272,972		12,238,479	11,548,014	10,526,296	10,138,783
Rate	0.36		%	0.46	1.00	1.13	1.26
Savings deposits	$	1,114,956		1,036,024	926,822	915,640	900,366
Rate	0.02		%	0.02	0.05	0.05	0.05
Time deposits under $100,000	$	1,379,923		1,621,943	1,761,741	1,873,350	2,100,492
Rate	1.03		%	1.43	1.64	1.27	1.39
Time deposits over $100,000	$	3,863,821		4,772,555	5,051,705	5,198,266	5,957,691
Rate	1.44		%	1.80	2.04	1.51	1.69
Other brokered deposits	$	1,912,114		1,998,571	1,376,669	1,156,131	993,078
Rate	0.23		%	0.25	1.42	1.84	2.47
Brokered time deposits	$	2,232,940		2,244,429	2,166,496	2,121,069	2,119,149
Rate	1.59		%	1.86	2.11	2.16	2.27
Total interest-bearing deposits	$	31,565,821		31,172,941	29,277,433	28,172,034	28,348,369
Rate	0.54		%	0.73	1.18	1.16	1.32
Federal funds purchased and securities sold under repurchase agreements	$	180,342		250,232	167,324	192,731	221,045
Rate	0.09		%	0.12	0.30	0.24	0.22
Other short-term borrowings	$	46,739		550,000	1,384,362	1,565,507	1,307,370
Rate	1.12		%	1.23	1.66	1.87	2.31
Long-term debt	$	2,234,665		2,834,188	2,678,651	2,153,983	2,286,221
Rate	2.71		%	2.36	2.78	3.07	3.32
Total interest-bearing liabilities	$	34,027,567		34,807,361	33,507,770	32,084,255	32,163,005
Rate	0.68		%	0.86	1.30	1.30	1.47
Non-interest-bearing demand deposits	$	12,773,676		11,923,534	9,409,774	9,706,784	9,365,776
Cost of funds	0.50		%	0.65	1.04	1.02	1.16
Effective cost of funds(6)	0.48		%	0.62	0.96	0.95	1.09
Net interest margin	3.10		%	3.13	3.37	3.65	3.69
Taxable equivalent adjustment(2)	$	956		861	786	769	819

(1)    Excludes net unrealized gains (losses).

(2)    Reflects taxable-equivalent adjustments, using the statutory federal income tax rate of 21%, in adjusting interest on tax-exempt loans and investment securities to a taxable-equivalent basis.

(3)    Included as a component of other assets on the consolidated balance sheets.

(4)    Average loans are shown net of deferred fees and costs. NPLs are included.

(5)    Includes interest-bearing funds with Federal Reserve Bank, interest earning deposits with banks, and federal funds sold and securities purchased under resale agreements.

(6)    Includes the impact of non-interest-bearing capital funding sources.

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Net Interest Income and Rate/Volume Analysis

    The following table sets forth the major components of net interest income and the related annualized yields and rates for the nine months ended September 30, 2020 and 2019, as well as the variances between the periods caused by changes in interest rates versus changes in volume.

Table 11 - Net Interest Income and Rate/Volume Analysis
	Nine Months Ended September 30,												2020 Compared to 2019
	Average Balances				Interest				Annualized Yield/Rate				Change due to				Increase (Decrease)
(dollars in thousands)	2020		2019		2020		2019		2020		2019		Volume		Rate
Assets
Interest earning assets:
Investment securities	$	6,843,400	$	6,775,287	$	139,791	$	156,554	2.72	%	3.08	%	$	1,571	$	(18,334)	$	(16,763)
Trading account assets	5,955		4,153		99		84		2.22		2.70		37		(22)		15
Taxable loans, net(1)	38,671,202		35,421,137		1,203,839		1,360,511		4.16		5.14		125,062		(281,734)		(156,672)
Tax-exempt loans, net(1)(2)	494,885		348,246		12,366		10,453		3.34		4.01		4,402		(2,489)		1,913
Allowance for loan losses	(486,276)		(256,727)
Loans, net	38,679,811		35,512,656		1,216,205		1,370,964		4.20		5.16		129,464		(284,223)		(154,759)
Mortgage loans held for sale	184,396		68,558		4,291		2,122		3.10		4.13		3,581		(1,412)		2,169
Other loans held for sale	172,241		692		4,756		22		3.63		4.11		5,279		(545)		4,734
Other earning assets(3)	1,209,239		567,433		2,477		9,964		0.27		2.32		11,099		(18,586)		(7,487)
Federal Home Loan Bank and Federal Reserve Bank stock	244,111		233,943		6,000		6,931		3.28		3.95		301		(1,232)		(931)
Total interest earning assets	47,339,153		43,162,722		1,373,619		1,546,641		3.88		4.79		151,332		(324,354)		(173,022)
Cash and due from banks	532,808		516,789
Premises and equipment, net	485,790		486,141
Other real estate	11,709		14,803
Cash surrender value of bank-owned life insurance	989,238		765,204
Other assets(4)	2,209,923		1,621,335
Total assets	$	51,568,621	$	46,566,994
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing demand deposits	$	7,167,617	$	6,288,424	$	15,561	$	32,611	0.29	%	0.69	%	$	4,541	$	(21,591)	$	(17,050)
Money market accounts	14,119,510		11,035,016		61,799		109,711		0.58		1.33		30,712		(78,624)		(47,912)
Savings deposits	1,026,259		901,867		204		371		0.03		0.05		46		(213)		(167)
Time deposits	8,361,942		10,344,873		108,106		131,773		1.73		1.70		(25,236)		1,569		(23,667)
Federal funds purchased and securities sold under repurchase agreements	199,230		251,385		242		404		0.16		0.21		(82)		(80)		(162)
Other short-term borrowings	658,128		974,696		7,643		18,195		1.53		2.46		(5,830)		(4,722)		(10,552)
Long-term debt	2,581,232		2,129,424		50,645		54,785		2.54		3.39		11,466		(15,606)		(4,140)
Total interest-bearing liabilities	34,113,918		31,925,685		244,200		347,850		0.94		1.44		15,617		(119,267)		(103,650)
Non-interest-bearing deposits	11,374,121		9,242,993
Other liabilities	1,028,401		691,357
Shareholders' equity	5,052,181		4,706,959
Total liabilities and equity	$	51,568,621	$	46,566,994
Interest rate spread:									2.94	%	3.35	%
Net interest income - FTE/margin(5)					$	1,129,419	$	1,198,791	3.20	%	3.72	%	$	135,715	$	(205,087)	$	(69,372)
Taxable equivalent adjustment					2,603		2,256
Net interest income, actual					$	1,126,816	$	1,196,535

(1)     Average loans are shown net of unearned income. NPLs are included. Interest income includes fees as follows: 2020 - $42.8 million, 2019 - $26.4 million.

(2)    Reflects taxable-equivalent adjustments, using the statutory federal income tax rate of 21%, in adjusting interest on tax-exempt loans to a taxable-equivalent basis.

(3)    Includes interest-bearing funds with Federal Reserve Bank, interest earning deposits with banks, and federal funds sold and securities purchased under resale agreements.

(4)    Includes average net unrealized gains (losses) on investment securities available for sale of $212.9 million and $14.7 million for the nine months ended September 30, 2020 and 2019, respectively.

(5)    The net interest margin is calculated by dividing annualized net interest income - FTE by average total interest earnings assets.

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Market Risk Analysis

Interest rate risk is the primary market risk to which Synovus is potentially exposed. Synovus measures its sensitivity to changes in market interest rates through the use of a simulation model which incorporates all of Synovus’ earning assets and liabilities. These simulations are used to determine a baseline net interest income projection and the sensitivity of the income profile based on changes in interest rates. These simulations incorporate assumptions and factors, including, but not limited to, changes in market rates, in the size or composition of the balance sheet, and in repricing characteristics as well as customer behaviors. This process is reviewed and updated on an on-going basis in a manner consistent with Synovus’ ALCO governance framework.

Synovus has modeled its baseline net interest income projection assuming a flat interest rate environment with the federal funds rate at the Federal Reserve’s current targeted range of 0% to 0.25% and the current prime rate of 3.25%. Synovus has modeled the impact of a gradual increase in market interest rates across the yield curve of 100 and 200 bps and a gradual decline of 25 bps to determine the sensitivity of net interest income for the next twelve months. The lesser decline of the downrate scenario presented was selected in light of the low absolute level of monetary policy rates and generally incorporates an assumption that rates are floored at the zero-lower-bound. Synovus' current rate risk position is considered asset-sensitive and would be expected to benefit net interest income in a rising interest rate environment and reduce net interest income in a declining interest rate environment. The following table represents the estimated sensitivity of net interest income at September 30, 2020, with comparable information for December 31, 2019.

Table 12 - Twelve Month Net Interest Income Sensitivity
	Estimated % Change in Net Interest Income as Compared to Unchanged Rates (for the next twelve months)
Change in Short-term Interest Rates (in bps)	September 30, 2020	December 31, 2019
+200	2.4%	2.8%
+100	1.0%	2.0%
Flat	—%	—%
-25	(0.2)%	N/A

The net interest income simulation model is the primary tool utilized to evaluate potential interest rate risks over a shorter-term time horizon. Synovus also evaluates potential longer-term interest rate risk through modeling and evaluation of the sensitivity of the Company's Economic Value of Equity (EVE). The EVE measurement process estimates the net fair value of assets, liabilities, and off-balance sheet financial instruments under various interest rate scenarios. Management uses EVE sensitivity analyses as an additional means of measuring interest rate risk and incorporates this form of analysis within its governance and limits framework.

LIBOR

In July 2017, the Financial Conduct Authority, which regulates LIBOR, announced that it intends to stop persuading or compelling banks to submit rates for the calculation of LIBOR after 2021, confirming the continuation of LIBOR will not be guaranteed beyond that date. However, due to the COVID-19 pandemic, the FCA has since softened its stance on the pre-cessation end dates scheduled in 2020 and early 2021 on the issuance of instruments tied to LIBOR. The ARRC has proposed SOFR as its preferred rate as an alternative to LIBOR and has proposed a paced market transition plan to SOFR from LIBOR. The ISDA recently recommended a spread adjustment methodology for derivative products based on historical differences between LIBOR and SOFR. Organizations are currently working on industry-wide and company-specific transition plans as it relates to derivatives and cash markets exposed to LIBOR. As noted within our 10-K Risk Factors, Synovus holds instruments that may be impacted by the discontinuance of LIBOR including floating rate obligations, loans, deposits, derivatives and hedges, and other financial instruments but is not able to currently predict the associated financial impacts of the transition to an alternative reference rate. Synovus has established a cross-functional LIBOR transition working group that is in the process of i) assessing the Company's current exposure to LIBOR indexed instruments and the data, systems and processes that may also be impacted; ii) establishing an implementation plan; and iii) developing a formal governance structure for the transition.

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Critical Accounting Policies

The accounting and financial reporting policies of Synovus are in accordance with GAAP and conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. Synovus has identified certain of its accounting policies as “critical accounting policies,” consisting of those related to the allowance for loan losses, fair value measurements and income taxes. In determining which accounting policies are critical in nature, Synovus has identified the policies that require significant judgment or involve complex estimates. It is management's practice to discuss critical accounting policies with the Board of Directors' Audit Committee, including the development, selection, implementation and disclosure of the critical accounting policies. The application of these policies has a significant impact on Synovus’ unaudited interim consolidated financial statements. Synovus’ financial results could differ significantly if different judgments or estimates are used in the application of these policies. All accounting policies described in "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" in Synovus' 2019 Form 10-K should be reviewed for a greater understanding of how we record and report our financial performance. Excluding the adoption of ASU 2016-13, Financial Instruments-Credit Losses (CECL) on January 1, 2020 as disclosed in "Part I - Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation and Accounting Policies" in this Report, there have been no significant changes to the accounting policies, estimates and assumptions, or the judgments affecting the application of these estimates and assumptions from those disclosed in Synovus' 2019 Form 10-K.

Goodwill

Goodwill assessments are highly sensitive to economic projections and the related assumptions and estimates used by management. Synovus includes goodwill impairment analysis and reporting unit valuations as part of its critical accounting policy for fair value measurements. For additional information, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" in Synovus' 2019 Form 10-K and "Part I - Item 1. Financial Statements and Supplementary Data - Note 5 - Goodwill and Other Intangible Assets" in this Report.

Non-GAAP Financial Measures

The measures entitled adjusted non-interest revenue; adjusted non-interest expense; adjusted total revenues; adjusted tangible efficiency ratio; adjusted net income per common share, diluted; adjusted return on average assets; adjusted return on average common equity; return on average tangible common equity, adjusted return on average tangible common equity; and tangible common equity ratio are not measures recognized under GAAP and therefore are considered non-GAAP financial measures. The most comparable GAAP measures to these measures are total non-interest revenue; total non-interest expense; total revenues; efficiency ratio-FTE; net income per common share, diluted; return on average assets; return on average common equity; and the ratio of total shareholders' equity to total assets, respectively.

Management believes that these non-GAAP financial measures provide meaningful additional information about Synovus to assist management and investors in evaluating Synovus’ operating results, financial strength, the performance of its business, and the strength of its capital position. However, these non-GAAP financial measures have inherent limitations as analytical tools and should not be considered in isolation or as a substitute for analyses of operating results or capital position as reported under GAAP. The non-GAAP financial measures should be considered as additional views of the way our financial measures are affected by significant items and other factors, and since they are not required to be uniformly applied, they may not be comparable to other similarly titled measures at other companies. Adjusted total revenues and adjusted non-interest revenue are measures used by management to evaluate non-interest revenue exclusive of net investment securities gains (losses) and gains on sale and changes in fair value of private equity investments, net. Adjusted non-interest expense and the adjusted tangible efficiency ratio are measures utilized by management to measure the success of expense management initiatives focused on reducing recurring controllable operating costs. Adjusted net income per common share, diluted, adjusted return on average assets, and adjusted return on average common equity are measurements used by management to evaluate operating results exclusive of items that management believes are not indicative of ongoing operations and impact period-to-period comparisons. Return on average tangible common equity and adjusted return on average tangible common equity are measures used by management to compare Synovus' performance with other financial institutions because it calculates the return available to common shareholders without the impact of intangible assets and their related amortization, thereby allowing management to evaluate the performance of the business consistently. The tangible common equity ratio is used by management to assess the strength of our capital position. The computations of these measures are set forth in the tables below.

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Table 14 - Reconciliation of Non-GAAP Financial Measures
	Three Months Ended				Nine Months Ended
(in thousands)	September 30, 2020		September 30, 2019		September 30, 2020		September 30, 2019
Adjusted non-interest revenue
Total non-interest revenue	$	114,411	$	88,760	$	391,752	$	257,945
Add/subtract: Investment securities losses (gains), net	1,550		3,731		(76,594)		5,502
Subtract: Gain on sale and increase in fair value of private equity investments, net	(260)		(1,194)		(4,712)		(3,507)
Adjusted non-interest revenue	$	115,701	$	91,297	$	310,446	$	259,940
Adjusted non-interest expense
Total non-interest expense	$	316,655	$	276,310	$	877,076	$	832,847
Subtract: Earnout liability adjustments	—		(10,457)		(4,908)		(10,457)
Subtract: Goodwill impairment	(44,877)		—		(44,877)		—
Subtract: Merger-related expense	—		(353)		—		(57,493)
Subtract/add: Restructuring charges, net	(2,882)		66		(8,924)		29
Subtract: Valuation adjustment to Visa derivative	—		(2,500)		—		(2,500)
Subtract: Loss on early extinguishment of debt, net	(154)		(4,592)		(2,057)		(4,592)
Adjusted non-interest expense	$	268,742	$	258,474	$	816,310	$	757,834

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	Three Months Ended						Nine Months Ended
(in thousands, except per share data)	September 30, 2020			September 30, 2019			September 30, 2020			September 30, 2019
Adjusted total revenues and adjusted tangible efficiency ratio
Adjusted non-interest expense	$	268,742		$	258,474		$	816,310		$	757,834
Subtract: Amortization of intangibles	(2,640)			(2,901)			(7,920)			(8,702)
Adjusted tangible non-interest expense	$	266,102		$	255,573		$	808,390		$	749,132
Net interest income	$	376,990		$	402,097		$	1,126,816		$	1,196,535
Add: Tax equivalent adjustment	956			819			2,603			2,256
Add: Total non-interest revenue	114,411			88,760			391,752			257,945
Total FTE revenues	$	492,357		$	491,676		$	1,521,171		$	1,456,736
Add/subtract: Investment securities losses (gains), net	1,550			3,731			(76,594)			5,502
Subtract: Gain on sale and increase in fair value of private equity investments, net	(260)			(1,194)			(4,712)			(3,507)
Adjusted total revenues	$	493,647		$	494,213		$	1,439,865		$	1,458,731
Efficiency ratio-FTE	64.31		%	56.20		%	57.66		%	57.17		%
Adjusted tangible efficiency ratio	53.91			51.71			56.14			51.36
Adjusted net income per common share, diluted
Net income available to common shareholders	$	83,283		$	127,435		$	198,414		$	397,505
Add: Income tax expense, net related to State Tax Reform	—			4,402			—			4,402
Add: Earnout liability adjustments	—			10,457			4,908			10,457
Add: Goodwill impairment	44,877			—			44,877			—
Add: Merger-related expense	—			353			—			57,493
Add/subtract: Restructuring charges, net	2,882			(66)			8,924			(29)
Add: Valuation adjustment to Visa derivative	—			2,500			—			2,500
Add: Loss on early extinguishment of debt, net	154			4,592			2,057			4,592
Add/subtract: Investment securities losses (gains), net	1,550			3,731			(76,594)			5,502
Subtract: Gain on sale and increase in fair value of private equity investments, net	(260)			(1,194)			(4,712)			(3,507)
Subtract/add: Tax effect of adjustments	(1,122)			(2,478)			18,214			(10,137)
Adjusted net income available to common shareholders	$	131,364		$	149,732		$	196,088		$	468,778
Weighted average common shares outstanding, diluted	147,976			154,043			148,037			158,595
Adjusted net income per common share, diluted	$	0.89		$	0.97		$	1.32		$	2.96

68

Table 14 - Reconciliation of Non-GAAP Financial Measures, continued
	Three Months Ended						Nine Months Ended
(dollars in thousands)	September 30, 2020			September 30, 2019			September 30, 2020			September 30, 2019
Adjusted return on average assets (annualized)
Net income	$	91,574		$	135,726		$	223,286		$	412,096
Add: Income tax expense, net related to State Tax Reform	—			4,402			—			4,402
Add: Earnout liability adjustments	—			10,457			4,908			10,457
Add: Goodwill impairment	44,877			—			44,877			—
Add: Merger-related expense	—			353			—			57,493
Add/subtract: Restructuring charges, net	2,882			(66)			8,924			(29)
Subtract: Valuation adjustment to Visa derivative	—			2,500			—			2,500
Add: Loss on early extinguishment of debt, net	154			4,592			2,057			4,592
Add/subtract: Investment securities losses (gains), net	1,550			3,731			(76,594)			5,502
Subtract: Gain on sale and increase in fair value of private equity investments, net	(260)			(1,194)			(4,712)			(3,507)
Subtract/add: Tax effect of adjustments	(1,122)			(2,478)			18,214			(10,137)
Adjusted net income	$	139,655		$	158,023		$	220,960		$	483,369
Net income annualized	364,305			538,478			298,258			550,971
Adjusted net income annualized	555,584			626,939			295,151			646,263
Total average assets	53,138,334			47,211,026			51,568,621			46,566,994
Return on average assets (annualized)	0.69		%	1.14		%	0.58		%	1.18		%
Adjusted return on average assets (annualized)	1.05			1.33			0.57			1.39

69

Table 14 - Reconciliation of Non-GAAP Financial Measures, continued
	Three Months Ended
(dollars in thousands)	September 30, 2020			June 30, 2020			September 30, 2019
Adjusted return on average common equity, return on average tangible common equity, and adjusted return on average tangible common equity (annualized)
Net income available to common shareholders	$	83,283		$	84,901		$	127,435
Add: Income tax expense, net related to State Tax Reform	—			—			4,402
Add: Earnout liability adjustments	—			4,908			10,457
Add: Goodwill impairment	44,877			—			—
Add: Merger-related expense	—			—			353
Add/subtract: Restructuring charges, net	2,882			2,822			(66)
Add: Valuation adjustment to Visa derivative	—			—			2,500
Add: Loss on early extinguishment of debt, net	154			—			4,592
Add/subtract: Investment securities losses (gains), net	1,550			(69,409)			3,731
Subtract: Gain on sale and increase in fair value of private equity investments	(260)			(8,707)			(1,194)
Subtract/add: Tax effect of adjustments	(1,122)			19,500			(2,478)
Net income available to common shareholders	$	131,364		$	34,015		$	149,732
Adjusted net income available to common shareholders' annualized	$	522,600		$	136,808		$	594,045
Add: Amortization of intangibles	7,782			7,868			8,632
Adjusted net income available to common shareholders excluding amortization of intangibles annualized	$	530,382		$	144,676		$	602,677
Net income available to common shareholders annualized	$	331,322		$	341,470		$	505,585
Add: Amortization of intangibles	7,782			7,868			8,632
Net income available to common shareholders excluding amortization of intangibles	$	339,104		$	349,338		$	514,217
Total average shareholders' equity less preferred stock	$	4,553,159		$	4,567,254		$	4,450,301
Subtract: Goodwill	(497,267)			(497,267)			(492,320)
Subtract: Other intangible assets, net	(49,075)			(51,667)			(60,278)
Total average tangible shareholders' equity less preferred stock	$	4,006,817		$	4,018,320		$	3,897,703
Return on average common equity (annualized)	7.28		%	7.48		%	11.36		%
Adjusted return on average common equity (annualized)	11.48			3.00			13.35
Return on average tangible common equity (annualized)	8.46			8.69			13.19
Adjusted return on average tangible common equity (annualized)	13.24			3.60			15.46

70

(dollars in thousands)	September 30, 2020			June 30, 2020			September 30, 2019
Tangible common equity ratio
Total assets	$	53,040,538		$	54,121,989		$	47,661,182
Subtract: Goodwill	(452,390)			(497,267)			(487,865)
Subtract: Other intangible assets, net	(47,752)			(50,392)			(58,572)
Tangible assets	$	52,540,396		$	53,574,330		$	47,114,745
Total shareholders' equity	$	5,064,542		$	5,052,968		$	4,868,838
Subtract: Goodwill	(452,390)			(497,267)			(487,865)
Subtract: Other intangible assets, net	(47,752)			(50,392)			(58,572)
Subtract: Preferred Stock, no par value	(537,145)			(537,145)			(536,550)
Tangible common equity	$	4,027,255		$	3,968,164		$	3,785,851
Total shareholders' equity to total assets ratio	9.55		%	9.34		%	10.22		%
Tangible common equity ratio	7.67			7.41			8.04

ITEM 3. – QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

    The information presented in the Market Risk Analysis section of the Management's Discussion and Analysis of Financial Condition and Results of Operations is incorporated herein by reference.

ITEM 4. – CONTROLS AND PROCEDURES

In connection with the preparation of this Quarterly Report on Form 10-Q, an evaluation was carried out by Synovus' management, with the participation of Synovus' Chief Executive Officer and Chief Financial Officer, of the effectiveness of Synovus' disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Disclosure controls and procedures are designed to ensure that information required to be disclosed in reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosures. Based on that evaluation, Synovus' Chief Executive Officer and Chief Financial Officer have concluded that, as of September 30, 2020, Synovus' disclosure controls and procedures were effective.

There have been no material changes in Synovus' internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during the quarter ended September 30, 2020 that have materially affected, or are reasonably likely to materially affect, Synovus' internal control over financial reporting.

71

PART II. – OTHER INFORMATION

ITEM 1. – LEGAL PROCEEDINGS

Synovus and its subsidiaries are subject to various legal proceedings, claims and disputes that arise in the ordinary course of its business. Additionally, in the ordinary course of its business, Synovus and its subsidiaries are subject to regulatory examinations, information gathering requests, inquiries and investigations. Synovus, like many other financial institutions, has been the target of legal actions and other proceedings asserting claims for damages and related relief for losses. These actions include mortgage loan and other loan put-back claims, claims and counterclaims asserted by individual borrowers related to their loans, allegations of violations of state and federal laws and regulations relating to banking practices, and allegations related to Synovus' participation in government stimulus programs, including putative class action matters. In addition to actual damages, if Synovus does not prevail in such asserted legal actions, credit-related litigation could result in additional write-downs or charge-offs of assets, which could adversely affect Synovus' results of operations during the period in which the write-down or charge-off were to occur.

Based on Synovus' current knowledge and advice of counsel, management presently does not believe that the liabilities arising from these legal matters will have a material adverse effect of Synovus' consolidated financial condition, results of operations or cash flows. However, it is possible that the ultimate resolution of these legal matters could have a material adverse effect on Synovus' results of operations and financial condition for any particular period. For additional information, see "Part I - Item 1. Financial Statements and Supplementary Data - Note 10 - Commitments and Contingencies" of this Report, which Note is incorporated herein by this reference.

ITEM 1A. – RISK FACTORS

In addition to the other information set forth in this Report, you should carefully consider the factors discussed in "Part I - Item IA - Risk Factors” of Synovus' 2019 Form 10-K and "Item 1A. - Risk Factors" of Synovus' Form 10-Q for the period ended March 31, 2020 ("1Q 2020 Form 10-Q"), which could materially affect its business, financial position, results of operations, cash flows, or future results. Please be aware that these risks may change over time and other risks may prove to be important in the future. In addition, these risks may be heightened by the disruption and uncertainty resulting from COVID-19. New risks may emerge at any time, and we cannot predict such risks or estimate the extent to which they may affect our business, financial condition or results of operations, or the trading price of our securities.

There are no material changes during the period covered by this Report to the risk factors previously disclosed in Synovus' 2019 Form 10-K and 1Q 2020 Form 10-Q.

ITEM 2. – UNREGISTERED SALES OF SECURITIES AND USE OF PROCEEDS

    (a) None.

    (b) None.

    (c) Issuer Purchases of Equity Securities:

The Company announced on January 24, 2020 that its Board of Directors authorized share repurchases in 2020 at a level that would be consistent with Synovus retaining a 9% CET1 ratio target. As a result of the greater economic uncertainty associated with the current pandemic, Synovus suspended its share repurchase activity beyond the $16.2 million (450 thousand shares) of its common stock repurchased during the first quarter.

ITEM 3. – DEFAULTS UPON SENIOR SECURITIES

    None.

ITEM 4. – MINE SAFETY DISCLOSURES

    None.

ITEM 5. – OTHER INFORMATION

    None.

72

ITEM 6. – EXHIBITS  

Exhibit Number	Description
3.1	Restated Articles of Incorporation of Synovus, incorporated by reference to Exhibit 3.1 of Synovus’ Current Report on Form 8-K dated April 22, 2020, as filed with the SEC on April 24, 2020.
3.2	Restated Bylaws of Synovus, incorporated by reference to Exhibit 3.2 of Synovus' Current Report on Form 8-K dated April 22, 2020, as filed with the SEC on April 24, 2020.
4.1	4.000% Fixed-to-Fixed Rate Subordinated Bank Note due 2030, incorporated by reference to Exhibit 4.1 of Synovus' Current Report on Form 8-K dated October 29, 2020, as filed with the SEC on October 29, 2020.
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certification of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	Interactive Data File
104	Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101).

73

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.

	SYNOVUS FINANCIAL CORP.
November 6, 2020	By:	/s/ Andrew J. Gregory, Jr.
Date		Andrew J. Gregory, Jr.
		Executive Vice President and Chief Financial Officer
		(Duly Authorized Officer and Principal Financial Officer)

74

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Kessel D. Stelling, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Synovus Financial Corp.;

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 Synovus’ supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to Synovus 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 Synovus’ 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 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 Synovus’ 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:	November 6, 2020	BY:	/s/ Kessel D. Stelling
			Kessel D. Stelling
			Chairman of the Board and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Andrew J. Gregory, Jr., certify that:

1. I have reviewed this quarterly report on Form 10-Q of Synovus Financial Corp.;

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 Synovus’ supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to Synovus 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 Synovus’ 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 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 Synovus’ 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:	November 6, 2020	BY:	/s/ Andrew J. Gregory, Jr.
			Andrew J. Gregory, Jr.
			Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

CERTIFICATION OF PERIODIC REPORT

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, Kessel D. Stelling, the Chief Executive Officer of Synovus Financial Corp. (the “Company”), and Andrew J. Gregory, Jr., the Chief Financial Officer of the Company, hereby certify that, to the best of their knowledge:

(1) The Company’s Quarterly Report on Form 10-Q for the period ended September 30, 2020 (the “Report”) fully complies with the requirements of section 13(a) or section 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:	November 6, 2020	BY:	/s/ Kessel D. Stelling
			Kessel D. Stelling
			Chairman of the Board and Chief Executive Officer
Date:	November 6, 2020	BY:	/s/ Andrew J. Gregory, Jr.
			Andrew J. Gregory, Jr.
			Executive Vice President and Chief Financial Officer

This certification “accompanies” the Form 10-Q to which it relates, is not deemed filed with the SEC and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-Q, irrespective of any general incorporation contained in such filing.)

XML

Cover Page - shares	9 Months Ended
	Sep. 30, 2020	Nov. 04, 2020
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2020
Entity File Number	1-10312
Entity Registrant Name	SYNOVUS FINANCIAL CORP
Entity Incorporation, State or Country Code	GA
Entity Tax Identification Number	58-1134883
Entity Address, Address Line One	1111 Bay Avenue, Suite 500
Entity Address, City or Town	Columbus,
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	31901
City Area Code	706
Local Phone Number	641-6500
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		147,806,270
Entity Central Index Key	0000018349
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $1.00 Par Value
Trading Symbol	SNV
Security Exchange Name	NYSE
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D
Entity Information [Line Items]
Title of 12(b) Security	Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D
Trading Symbol	SNV - PrD
Security Exchange Name	NYSE
Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E
Entity Information [Line Items]
Title of 12(b) Security	Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E
Trading Symbol	SNV - PrE
Security Exchange Name	NYSE

XML

CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets [Abstract]
Cash and due from banks	$ 578,026	$ 535,846
Interest-bearing funds with Federal Reserve Bank	1,266,313	553,390
Interest earning deposits with banks	20,929	20,635
Federal funds sold and securities purchased under resale agreements	120,095	77,047
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,985,363	1,186,918
Investment securities available for sale, at fair value	7,566,525	6,778,670
Loans held for sale (includes $285,899 and $115,173 measured at fair value, respectively)	745,160	115,173
Loans, net of deferred fees and costs	39,549,847	37,162,450
Allowance for loan losses	(603,800)	(281,402)
Cash surrender value of bank-owned life insurance	1,044,046	775,665
Premises and equipment, net	471,208	493,940
Goodwill	452,390	497,267
Other intangible assets, net	47,752	55,671
Other assets	1,782,047	1,418,930
Total assets	53,040,538	48,203,282
Deposits:
Non-interest-bearing deposits	13,075,081	9,439,485
Interest-bearing deposits	31,590,823	28,966,019
Total deposits	44,665,904	38,405,504
Federal funds purchased and securities sold under repurchase agreements	202,344	165,690
Other short-term borrowings	400,000	1,753,560
Long-term debt	1,628,385	2,153,897
Other liabilities	1,079,363	782,941
Total liabilities	47,975,996	43,261,592
Shareholders' Equity
Preferred stock - no par value; authorized 100,000,000 shares; issued 22,000,000	537,145	537,145
Common stock - $1.00 par value; authorized 342,857,143 shares; issued 167,410,950 and 166,800,623; outstanding 147,317,923 and 147,157,596	167,411	166,801
Additional paid-in capital	3,832,142	3,819,336
Treasury stock, at cost; 20,093,027 and 19,643,027 shares	(731,806)	(715,560)
Accumulated other comprehensive income, net	174,914	65,641
Retained earnings	1,084,736	1,068,327
Total shareholders' equity	5,064,542	4,941,690
Total liabilities and shareholders' equity	$ 53,040,538	$ 48,203,282

XML

CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Loans held-for-sale, fair value disclosure	$ 285,899	$ 115,173
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	22,000,000	22,000,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	342,857,143	342,857,143
Common stock, shares issued (in shares)	167,410,950	166,800,623
Common stock, shares outstanding (in shares)	147,317,923	147,157,596
Treasury stock, shares at cost (in shares)	20,093,027	19,643,027

XML

CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest income:
Loans, including fees		$ 384,275	$ 463,437	$ 1,213,609	$ 1,368,769
Investment securities available for sale		43,196	53,761	139,784	156,493
Interest and Fee Income, Loans and Leases Held-for-sale		6,341	978	9,047	2,144
Federal Reserve Bank balances		285	2,288	2,187	8,659
Other earning assets		1,453	2,951	6,389	8,320
Total interest income		435,550	523,415	1,371,016	1,544,385
Interest expense:
Deposits		43,194	94,082	185,670	274,466
Federal funds purchased, securities sold under repurchase agreements, and other short-term borrowings		176	7,843	7,885	18,599
Long-term debt		15,190	19,393	50,645	54,785
Total interest expense		58,560	121,318	244,200	347,850
Net interest income		376,990	402,097	1,126,816	1,196,535
Provision for credit losses	[1]	43,383	27,562	343,956	63,250
Net interest income after provision for credit losses		333,607	374,535	782,860	1,133,285
Non-interest revenue:
Service charges on deposit accounts		17,813	22,952	54,069	65,805
Fiduciary and asset management fees		15,885	14,686	46,009	42,743
Card fees		10,823	12,297	30,959	34,334
Brokerage revenue		10,604	11,071	32,987	30,502
Mortgage banking income		31,229	10,351	66,987	23,313
Capital markets income		5,690	7,396	22,984	21,557
Income from bank-owned life insurance		7,778	5,139	21,572	15,605
Investment securities (losses) gains, net		(1,550)	(3,731)	76,594	(5,502)
Other non-interest revenue		16,139	8,599	39,591	29,588
Total non-interest revenue		114,411	88,760	391,752	257,945
Non-interest expense:
Salaries and other personnel expense		154,994	142,516	464,268	424,952
Net occupancy, equipment, and software expense		41,554	41,017	125,475	119,262
Third-party processing and other services		20,620	18,528	63,466	55,403
Professional fees		13,377	9,719	39,358	25,379
FDIC insurance and other regulatory fees		6,793	7,242	18,922	21,872
Goodwill impairment		44,877	0	44,877	0
Merger-related expense		0	353	0	57,493
Other operating expenses		34,440	56,935	120,710	128,486
Total non-interest expense		316,655	276,310	877,076	832,847
Income before income taxes		131,363	186,985	297,536	558,383
Income tax expense		39,789	51,259	74,250	146,287
Net income		91,574	135,726	223,286	412,096
Less: Preferred stock dividends		8,291	8,291	24,872	14,591
Net income available to common shareholders		$ 83,283	$ 127,435	$ 198,414	$ 397,505
Net income per common share, basic (in dollars per share)		$ 0.57	$ 0.84	$ 1.35	$ 2.53
Net income per common share, diluted (in dollars per share)		$ 0.56	$ 0.83	$ 1.34	$ 2.51
Weighted average common shares outstanding, basic (in shares)		147,314	152,238	147,304	156,819
Weighted average common shares outstanding, diluted (in shares)		147,976	154,043	148,037	158,595

[1] Beginning January 1, 2020, provision calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income, Before-tax Amount	$ 131,363	$ 186,985	$ 297,536	$ 558,383
Net income, Tax Effect	(39,789)	(51,259)	(74,250)	(146,287)
Net income	91,574	135,726	223,286	412,096
Net unrealized gains (losses) on investment securities available for sale: Before-tax Amount
Net unrealized holding gains (losses) arising during the period, Before-tax Amount	(29,428)	33,919	116,975	226,160
Reclassification adjustment for net losses realized in net income, Before-tax Amount	1,550	3,731	(76,594)	5,502
Net unrealized gains (losses), Before-tax Amount	(27,878)	37,650	40,381	231,662
Net unrealized gains (losses) on investment securities available for sale: Tax Effect
Net unrealized holding gains (losses) arising during the period, Tax Effect	7,622	(8,786)	(30,297)	(58,574)
Reclassification adjustment for net losses realized in net income, Tax Effect	(401)	(966)	19,838	(1,425)
Net unrealized gains (losses), Tax Effect	7,221	(9,752)	(10,459)	(59,999)
Net unrealized gains (losses) on investment securities available for sale: Net of Tax Amount
Net unrealized holding gains (losses) arising during the period, Net of Tax Amount	(21,806)	25,133	86,678	167,586
Reclassification adjustment for net losses realized in net income, Net of Tax Amount	1,149	2,765	(56,756)	4,077
Net unrealized gains (losses), Net of Tax Amount	(20,657)	27,898	29,922	171,663
Unrealized gains (losses) on derivative instruments designated as cash flow hedges, Before-tax Amount
Net unrealized gains (losses) arising during the period, Before-tax Amount	(8,954)	(1,182)	108,508	(1,182)
Reclassification adjustment for realized (gains) losses included in net income, Before-tax Amount	(1,031)	0	(1,421)	0
Net change, Before-tax Amount	(9,985)	(1,182)	107,087	(1,182)
Unrealized gains (losses) on derivative instruments designated as cash flow hedges, Tax Effect
Net unrealized gains (losses) arising during the period, Income Tax	2,319	306	(28,104)	306
Reclassification adjustment for realized (gains) losses included in net income, Income Tax	267	0	368	0
Net change, Income Tax	2,586	306	(27,736)	306
Unrealized gains (losses) on derivative instruments designated as cash flow hedges, Net of Tax Amount
Net unrealized gains (losses) arising during the period, Net of Tax Amount	(6,635)	(876)	80,404	(876)
Reclassification adjustment for realized (gains) losses included in net income, Net of Tax Amount	(764)	0	(1,053)	0
Net change, Net of Tax Amount	(7,399)	(876)	79,351	(876)
Post-retirement unfunded health benefit: Before-tax Amount
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	0	(510)	0	(510)
Reclassification adjustment for realized (gains) losses included in net income, Before-tax Amount	0	0	0	(70)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	0	(510)	0	(580)
Post-retirement unfunded health benefit: Tax Effect
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	0	(132)	0	(132)
Reclassification adjustment for realized (gains) losses included in net income, Tax Effect	0	0	0	14
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	0	132	0	146
Post-retirement unfunded health benefit: Net of Tax Amount
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	0	(378)	0	(378)
Reclassification adjustment for realized (gains) losses included in net income, Net of Tax Amount	0	0	0	(56)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0	(378)	0	(434)
Other comprehensive income (loss), Before-tax Amount	(37,863)	35,958	147,468	229,900
Other comprehensive income (loss), Tax Effect	9,807	(9,314)	(38,195)	(59,547)
Other comprehensive income (loss), net of income taxes	(28,056)	26,644	109,273	170,353
Comprehensive income, Net of Tax Amount	$ 63,518	$ 162,370	$ 332,559	$ 582,449

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands		Total	Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E	FCB Financial Holdings, Inc.	Impact from Adoption		Preferred Stock	Preferred Stock Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E	Common Stock	Common Stock FCB Financial Holdings, Inc.	Additional Paid-in Capital	Additional Paid-in Capital FCB Financial Holdings, Inc.	Treasury Stock	Treasury Stock FCB Financial Holdings, Inc.	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Retained Earnings FCB Financial Holdings, Inc.	Retained Earnings Impact from Adoption
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201602Member
Balance at Dec. 31, 2018		$ 3,133,602			$ 4,270		$ 195,140		$ 143,300		$ 3,060,561		$ (1,014,746)		$ (94,420)	$ 843,767		$ 4,270
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		412,096														412,096
Other comprehensive income (loss), net of income taxes		170,353													170,353
Issuance of common stock, net of issuance costs				$ 704,146						$ 22,043		$ 682,103
Common stock issued				877,570										$ 1,014,746			$ (137,176)
Fair value of exchanged equity awards and warrants attributed to purchase price				$ 43,972								$ 43,972
Cash dividends declared on common stock		(138,947)														(138,947)
Cash dividends declared on preferred stock	[1]	(14,591)														(14,591)
Stock Issued During Period, Value, New Issues			$ 341,410					$ 341,410
Repurchases of stock including costs to repurchase		(688,860)											(688,860)
Restricted share unit vesting and taxes paid related to net share settlement		(8,741)							294		(8,709)					(326)
Stock options/warrants exercised, net		11,162							564		10,598		0
Warrants exercised with net settlement and common stock reissued		0									(8,763)		8,779			(16)
Share-based compensation expense		21,396									21,396
Balance at Sep. 30, 2019		4,868,838					536,550		166,201		3,801,158		(680,081)		75,933	969,077
Balance at Jun. 30, 2019		4,753,816					195,140		166,080		3,801,748		(344,901)		49,289	886,460
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		135,726														135,726
Other comprehensive income (loss), net of income taxes		26,644													26,644
Cash dividends declared on common stock		(44,476)														(44,476)
Cash dividends declared on preferred stock	[2]	(8,291)														(8,291)
Stock Issued During Period, Value, New Issues			$ 341,410					$ 341,410
Repurchases of stock including costs to repurchase		(343,690)											(343,690)
Restricted share unit vesting and taxes paid related to net share settlement		(98)							9		219					(326)
Stock options/warrants exercised, net		2,626							112		2,514
Warrants exercised with net settlement and common stock reissued		0									(8,494)		8,510			(16)
Share-based compensation expense		5,171									5,171
Balance at Sep. 30, 2019		$ 4,868,838					536,550		166,201		3,801,158		(680,081)		75,933	969,077
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201613Member
Balance at Dec. 31, 2019		$ 4,941,690			(35,721)	[3]	537,145		166,801		3,819,336		(715,560)		65,641	1,068,327		(35,721)	[3]
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201613Member
Balance at Dec. 31, 2019		$ 4,941,690			$ (35,721)	[3]	537,145		166,801		3,819,336		(715,560)		65,641	1,068,327		$ (35,721)	[3]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		223,286														223,286
Other comprehensive income (loss), net of income taxes		109,273													109,273
Cash dividends declared on common stock		(145,824)														(145,824)
Cash dividends declared on preferred stock	[1]	(24,872)														(24,872)
Repurchases of stock including costs to repurchase		(16,246)											(16,246)
Restricted share unit vesting and taxes paid related to net share settlement		(7,428)							381		(7,349)					(460)
Stock options/warrants exercised, net		6,511							229		6,282
Share-based compensation expense		13,873									13,873
Balance at Sep. 30, 2020		5,064,542					537,145		167,411		3,832,142		(731,806)		174,914	1,084,736
Balance at Jun. 30, 2020		5,052,968					537,145		167,406		3,826,726		(731,806)		202,970	1,050,527
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		91,574														91,574
Other comprehensive income (loss), net of income taxes		(28,056)													(28,056)
Cash dividends declared on common stock		(48,614)														(48,614)
Cash dividends declared on preferred stock	[2]	(8,291)														(8,291)
Restricted share unit vesting and taxes paid related to net share settlement		(24)							2		434					(460)
Stock options/warrants exercised, net		33							3		30
Share-based compensation expense		4,952									4,952
Balance at Sep. 30, 2020		$ 5,064,542					$ 537,145		$ 167,411		$ 3,832,142		$ (731,806)		$ 174,914	$ 1,084,736

[1] For the nine months ended September 30, 2020, dividends per share were $1.17 and $1.11 for Series D and Series E Preferred Stock, respectively. For the nine months ended September 30, 2019, dividends per share were $1.17 and $0.37 for Series D and Series E Preferred Stock, respectively.

[2] For the three months ended September 30, 2020, dividends per share were $0.39 and $0.37 for Series D and Series E Preferred Stock, respectively. For the three months ended September 30, 2019, dividends per share were $0.39 and $0.37 for Series D and Series E Preferred Stock, respectively.

[3] For additional information, see "Part I - Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report.

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock (in dollars per share)	$ 0.33	$ 0.30	$ 0.99	$ 0.90
Preferred Stock | Series D Preferred Stock
Cash dividends on preferred stock (in dollars per share)	0.39	0.39	1.17	1.17
Preferred Stock | Series E Preferred Stock
Cash dividends on preferred stock (in dollars per share)	$ 0.37	$ 0.37	$ 1.11	$ 0.37

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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Operating Activities
Net income		$ 223,286	$ 412,096
Adjustments to reconcile net income to net cash (used) provided by operating activities:
Provision for credit losses	[1]	343,956	63,250
Depreciation, amortization, and accretion, net		77,385	8,969
Deferred income tax (benefit) expense		(60,433)	42,594
Originations of loans held for sale		2,221,302	603,086
Proceeds from sales of loans held for sale		1,657,738	527,354
Gain on sales of loans held for sale, net		50,001	15,453
Gain on sales of loans held for sale, net		(397,220)	(135,448)
Increase (decrease) in other liabilities		234,018	32,345
Investment securities (gains) losses, net		(76,594)	5,502
Goodwill impairment		44,877	0
Loss on early extinguishment of debt		2,057	4,592
Share-based compensation expense		13,873	21,396
Net cash (used in) provided by operating activities		(208,360)	364,111
Investing Activities
Net cash received in business combination, net of cash paid		0	201,100
Proceeds from maturities and principal collections of investment securities available for sale		1,567,889	780,538
Proceeds from sales of investment securities available for sale		3,932,368	2,456,137
Purchases of investment securities available for sale		(6,180,812)	(3,614,139)
Proceeds from sales of equity securities		23,141	0
Proceeds from sales of loans		1,293,366	71,530
Proceeds from sales of other real estate and other assets		18,204	15,859
Net increase in loans		(3,703,203)	(1,278,772)
Net redemptions (purchases) of Federal Home Loan Bank stock		96,772	(75,735)
Net purchases of Federal Reserve Bank stock		(454)	(45,856)
Net (purchases) proceeds from settlement of bank-owned life insurance policies		(248,023)	15,208
Net increase in premises and equipment		(22,786)	(40,195)
Net cash used in investing activities		(3,223,538)	(1,514,325)
Financing Activities
Net increase in deposits		6,259,108	(185,362)
Net increase in federal funds purchased and securities sold under repurchase agreements		36,655	(69,412)
Net change in other short-term borrowings		(1,353,560)	1,582,000
Repayments and redemption of long-term debt		(1,776,913)	(157,226)
Proceeds from issuance of long-term debt, net		1,248,441	497,045
Dividends paid to common shareholders		(141,353)	(123,446)
Dividends paid to preferred shareholders		(24,872)	(9,450)
Proceeds from issuance of Preferred stock		0	341,410
Stock options and warrants exercised		6,511	11,162
Repurchase of common stock		(16,246)	(688,860)
Taxes paid related to net share settlement of equity awards		(7,428)	(8,741)
Net cash provided by financing activities		4,230,343	1,189,120
Increase in cash and cash equivalents including restricted cash		798,445	38,906
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period		1,186,918	1,143,564
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period		1,985,363	1,182,470
Supplemental Disclosures:
Income taxes paid		68,253	88,480
Interest paid		268,046	350,388
Non-cash Activities
Common stock issued, treasury stock reissued, equity awards/warrants exchanged to acquire FCB		0	1,625,688
Loans foreclosed and transferred to other real estate		2,163	14,084
Loans transferred to loans held for sale at fair value		46,178	0
Dividends declared on common stock during the period but paid after period-end		48,614	44,476
Dividends declared on preferred stock during the period but paid after period-end		$ 5,141	$ 5,141

[1] Beginning January 1, 2020, provision calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

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Basis of Presentation and Accounting Policies

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Basis of Presentation and Accounting Policies

Note 1 - Basis of Presentation and Accounting Policies

General

The accompanying unaudited interim consolidated financial statements of Synovus Financial Corp. include the accounts of the Parent Company and its consolidated subsidiaries. Synovus Financial Corp. is a financial services company based in Columbus, Georgia. Through its wholly-owned subsidiary, Synovus Bank, a Georgia state-chartered bank that is a member of the Federal Reserve System, the Company provides commercial and retail banking in addition to a full suite of specialized products and services including private banking, treasury management, wealth management, premium finance, asset-based lending, structured lending, and international banking. Synovus Bank is positioned in markets in the Southeast, with 292 branches and 389 ATMs in Alabama, Florida, Georgia, South Carolina, and Tennessee.

The accompanying unaudited interim consolidated financial statements have been prepared in accordance with the instructions to the SEC Form 10-Q and Article 10 of Regulation S-X; therefore, they do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, comprehensive income, and cash flows in conformity with GAAP. All adjustments consisting of normally recurring accruals that, in the opinion of management, are necessary for a fair presentation of the consolidated financial position and results of operations for the periods covered by this Report have been included. The accompanying unaudited interim consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes appearing in Synovus' 2019 Form 10-K.

Reclassifications

Prior periods' consolidated financial statements are reclassified whenever necessary to conform to the current periods' presentation.

Use of Estimates in the Preparation of Financial Statements

In preparing the consolidated financial statements in accordance with GAAP, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the respective consolidated balance sheets and the reported amounts of revenues and expenses for the periods presented. Actual results could differ significantly from those estimates.

Material estimates that are particularly susceptible to change relate to the determination of the ACL; estimates of fair value, including goodwill impairment assessment; income taxes; and contingent liabilities.

Non-TDR Modifications due to COVID-19

Coronavirus Aid, Relief, and Economic Security Act (CARES Act)

The U.S. has been operating under a presidentially declared state of emergency since March 13, 2020 ("National Emergency"). On March 27, 2020, the CARES Act was signed into law. Among other emergency measures aimed to lessen the impact of COVID-19, the CARES Act creates a forbearance program for federally backed mortgage loans, protects borrowers from negative credit reporting due to loan accommodations related to the National Emergency, and provides financial institutions the option to temporarily suspend certain requirements under GAAP related to TDRs for a limited period of time to account for the effects of COVID-19.

Regulatory agencies encouraged financial institutions to work prudently with borrowers who are or may be unable to meet their contractual payment obligations because of COVID-19. In the Interagency Statement on Loan Modifications and Reporting for Financial Institutions Working with Customers Affected by the Coronavirus (initially issued on March 22, 2020 and revised on April 7, 2020), for example, the regulatory agencies expressed their view of loan modification programs as positive actions that may mitigate adverse effects on borrowers due to COVID-19 and their unwillingness to criticize institutions for working with borrowers in a safe and sound manner. Moreover, the Interagency Statement provided that eligible loan modifications related to COVID-19 may be accounted for under section 4013 of the CARES Act or in accordance with ASC 310-40. Section 4013 of the CARES Act allows banks to elect to not consider loan modifications related to COVID-19 that are made between March 1, 2020 and the earlier of December 31, 2020, or 60 days after the National Emergency ends to borrowers that are current (i.e., less than 30 days past due as of December 31, 2019) as TDRs. The regulatory agencies further stated that performing loans granted payment deferrals due to COVID-19 are not considered past due or non-accrual. FASB confirmed the foregoing regulatory agencies' view, that such short-term modifications (e.g., six months) made on a good-faith basis in response to COVID-19 for borrowers who are current are not TDRs. As such, beginning in late March 2020, Synovus provided relief programs consisting primarily of 90-day payment deferral relief of P&I to borrowers negatively impacted by COVID-19 and has primarily accounted for these loan modifications in accordance with ASC 310-40. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for information on Synovus' TDR policy. During the third quarter, upon

evaluation of facts and circumstances, the CARES Act was elected for certain loan modifications that met the criteria of section 4013 of the CARES Act. The deferred payments along with interest accrued during the deferral period are generally due and payable on the maturity date of the existing loan. Based on the terms of the deferral relief program which did not provide for forgiveness of interest, Synovus has recognized interest income on loans during the deferral period.

U.S. Small Business Administration Paycheck Protection Program (PPP)

    Synovus is participating in the Paycheck Protection Program, which is a loan program that originated from the CARES Act and was subsequently expanded by the Paycheck Protection Program and Health Care Enhancement Act ("PPPHCEA Act"). The PPP is designed to provide U.S. small businesses with cash-flow assistance through loans guaranteed by the SBA. If the borrower meets certain criteria and uses the proceeds toward certain eligible expenses in accordance with the requirements of the PPP, the borrower's obligation to repay the loan can be forgiven up to the full principal amount of the loan and any accrued interest. Upon borrower forgiveness, the SBA pays the Company for the principal and accrued interest owed on the loan. If the full principal of the loan is not forgiven, the loan will operate according to the original loan terms with the SBA guaranty remaining. Under this program, Synovus provided nearly $2.9 billion in funding to close to 19,000 customers. The average PPP loan was approximately $150 thousand, and the customers that received those loans employ over 335 thousand individuals. As compensation for originating the loans, the Company receives lender processing fees from the SBA ranging from 1% to 5%, based on the size of the loan, which are deferred and will be amortized over the loans' contractual lives and recognized as interest income. Upon forgiveness of a loan by the SBA, any unrecognized net deferred fees related to the loan will be recognized as interest income in the period the SBA forgiveness payment is received.

Recently Adopted Accounting Standards

ASU 2016-13, Financial Instruments-Credit Losses (ASC 326). On January 1, 2020, Synovus adopted ASU 2016-13 (and all subsequent ASUs on this topic), which replaces the existing incurred loss impairment guidance with an expected credit loss methodology (referred to as CECL). CECL requires management’s estimate of credit losses over the full remaining expected life of loans and other financial instruments and for Synovus, applies to loans, unfunded loan commitments, accrued interest receivable, and available for sale debt securities. Upon adoption, Synovus applied the modified retrospective approach and recorded an after-tax cumulative-effect adjustment to beginning retained earnings for non-PCD assets (formerly non-PCI assets) and unfunded commitments of $35.7 million. Additionally, an initial estimate of expected credit losses on PCD assets (formerly PCI or ASC 310-30) was recognized with an offset to the cost basis of the related loans of $62.2 million. As permitted by transition guidance, Synovus did not reassess whether PCI assets met the criteria of PCD assets as of the adoption date. The remaining non-credit discount (based on the adjusted amortized cost basis) will be accreted into interest income. Results for reporting periods after adoption are presented under ASC 326 while prior period amounts continue to be reported in accordance with previously applicable GAAP.

The following table illustrates the impact of ASC 326 adoption:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Assets
Allowance for loan losses:
Commercial and industrial	$	145,782	$	(2,310)	$	143,472
Commercial real estate	67,430		(651)		66,779
Consumer	68,190		85,955		154,145
Total allowance for loan losses	$	281,402	$	82,994	$	364,396
Liabilities
Reserve for unfunded commitments	$	1,375	$	27,440	$	28,815
Allowance for credit losses	$	282,777	$	110,434	$	393,211

The following table illustrates the distribution of the ASC 326 adoption impact to loans and equity:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Loans, net	$	36,881,048	$	(20,767)	$	36,860,281
Retained earnings	1,068,327		(35,721)		1,032,606

On August 26, 2020, the federal banking regulators issued a final rule (following an interim final rule issued on March 27, 2020) that allows electing banking organizations that adopt CECL during 2020 to mitigate the estimated effects of CECL on regulatory capital for two years, followed by a three-year phase-in transition period. Regulatory capital ratios in 2020 reflect Synovus' election of the five-year transition provision.

In conjunction with the adoption of ASC 326, the following are additional disclosures about our significant accounting policies related to CECL.

Investment Securities Available for Sale

Investment securities available for sale are carried at fair value with unrealized gains and losses, net of the related tax effect, excluded from earnings and reported as a separate component of shareholders' equity within accumulated other comprehensive income (loss) until realized.

For investment securities available for sale in an unrealized loss position, if Synovus has an intention to sell the security, or it is more likely than not that the security will be required to be sold prior to recovery, the security is written down to its fair value. The write down is charged against the ACL with any additional impairment recorded in earnings. If the aforementioned criteria is not met, Synovus performs a quarterly assessment of its available for sale debt securities to determine if the decline in fair value of a security below its amortized cost is related to credit losses or other factors. Management considers the extent to which fair value is less than amortized cost, the issuer of the security, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. In assessing whether credit related impairment exists, the present value of cash flows expected to be collected from the security is compared to the security's amortized cost. If the present value of cash flows expected to be collected is less than the security's amortized cost basis, the difference is attributable to credit losses. For such differences, Synovus records an ACL with an offset to provision for credit losses expense. Synovus limits the ACL recorded to the amount the security's fair value is less than the amortized cost basis. Impairment losses related to other factors are recognized in other comprehensive income (loss).

Accrued interest on available for sale debt securities is excluded from the ACL determination and is recognized within other assets on the consolidated balance sheets. Available-for-sale debt securities are placed on non-accrual status when we no longer expect to receive all contractual amounts due, which is generally at 90 days past due. Accrued interest receivable is reversed against interest income when a security is placed on non-accrual status. Accordingly, we do not recognize an allowance for credit loss against accrued interest receivable.

Loans Held for Investment and Interest Income

Loans the Company has the intent and ability to hold for the foreseeable future are reported at principal amounts outstanding less amounts charged off, net of deferred fees and costs, and purchase premiums/discounts. Interest income, net deferred fees, and purchase premium/discount amortization/accretion on loans, are recognized on a level yield basis.

Allowance for Credit Losses for Loans Held for Investment (ALL)

The allowance for credit losses on loans held for investment are included in the ALL and represent management's estimate of credit losses expected over the life of the loans included in Synovus' existing loans held for investment portfolio. Changes to the allowance are recorded through a provision for credit losses and reduced by loans charged-off, net of recoveries. Determining the appropriateness of the allowance is complex and requires judgment by management about the effect of matters that are inherently uncertain.

Accrued but uncollected interest is recorded in other assets on the consolidated balance sheets. In general, the Company does not record an ACL for accrued interest receivables as allowable per ASC 326-20-30-5A as Synovus' non-accrual policies result in the timely write-off of accrued but uncollected interest.

Credit loss measurement

Synovus' loan loss estimation process includes procedures to appropriately consider the unique characteristics of its loan portfolio segments (C&I, CRE and consumer). These segments are further disaggregated into loan classes, the level at which credit quality is assessed and monitored (as described in the subsequent sections).

The ALL is measured on a collective (pool) basis when similar risk characteristics exist. Loans are grouped based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings. Credit loss assumptions are primarily estimated using a DCF model applied to the aforementioned loan groupings. This model calculates an expected life-of-loan loss percentage for each loan category by considering the forecasted PD, which is the probability that a borrower will default, adjusted for relevant forecasted macroeconomic factors, and LGD, which is the estimate of the amount of net loss in the event of default.

Expected credit losses are estimated over the contractual term of the loan, adjusted for expected prepayments and curtailments when appropriate. Management's determination of the contract term excludes expected extensions, renewals, and

modifications unless either of the following applies: there is a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower, or an extension or renewal option is included in the contract at the reporting date that is not unconditionally cancellable by Synovus.

To the extent the lives of the loans in the portfolio extend beyond the period for which a reasonable and supportable forecast can be made (which is one year for Synovus), the Company reverts, on a straight-line basis back to the historical rates over a one year period.

Life-of-loan loss percentages may also be adjusted, as necessary, for certain quantitative and qualitative factors that in management's judgment are necessary to reflect losses expected in the portfolio. These adjustments address inherent limitations in the quantitative model including uncertainty and limitations, among others.

The above reflects the ALL estimation process for most commercial and consumer sub-pools. In some cases, Synovus may apply other acceptable loss rate models to smaller subpools.

Loans that do not share risk characteristics are individually evaluated on a loan by loan basis with specific reserves, if any, recorded as appropriate. Specific reserves are determined based on two methods: discounted cash flow based upon the loan's contractual effective interest rate or at the fair value of the collateral, less costs to sell if the loan is collateral-dependent.

For individually evaluated loans, under the DCF method, resulting expected credit losses are recorded as a specific reserve with a charge-off for any portion of the expected credit loss that is determined not to be recoverable. The reserve is reassessed each quarter and adjusted as appropriate based on changes in estimated cash flows. Additionally, where guarantors are determined to be a source of repayment, an assessment of the guarantee is required. This guarantee assessment would include, but not be limited to, factors such as type and feature of the guarantee, consideration for the guarantor's financial strength and capacity to service the loan in combination with the guarantor's other financial obligations as well as the guarantor's willingness to assist in servicing the loan.

For individually evaluated loans, if the loan is collateral-dependent, then the fair value of the loan's collateral, less estimated selling costs, is compared to the loan's carrying amount to determine impairment. Fair value is estimated using appraisals performed by a certified or licensed appraiser. Management also considers other factors or recent developments, such as changes in absorption rates or market conditions at the time of valuation, selling costs and anticipated sales values, taking into account management's plans for disposition, which could result in adjustments to the fair value estimates indicated in the appraisals. The assumptions used in determining the amount of the impairment are subject to significant judgment. Use of different assumptions, for example, changes in the fair value of the collateral or management's plans for disposition could have a significant impact on the amount of impairment.

Troubled debt restructurings

The ALL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate, and not the rate specified with the restructuring, is used to discount the expected cash flows.

Purchased Loans with Credit Deterioration

Purchased loans are evaluated upon acquisition in order to determine if the loan, or pool of loans, has experienced more-than-insignificant deterioration in credit quality since origination or issuance. In the performance of this evaluation, Synovus considers migration of the credit quality of the loans at origination in comparison to the credit quality at acquisition.

Purchased loans classified as PCD are recognized in accordance with ASC 326-20-30, whereby the amortized cost basis of the PCD asset is ‘grossed-up’ by the initial estimate of credit losses with an offset to the ALL. This acquisition date allowance has no income statement effect. Post-acquisition, any changes in estimates of expected credit losses are recorded through the provision for credit losses. Non-credit discounts or premiums are accreted or amortized, respectively into interest income using the interest method.

Loans formerly accounted for as purchased credit-impaired in accordance with ASC 310-30 were automatically transitioned to PCD classification. The Company did not maintain ASC 310-30 pools. PCD loans were integrated into existing pool structures based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings as noted above.

The accounting treatment for purchased loans classified as non-PCD is the same as loans held for investment as detailed in the above section.

Allowance for Credit Losses on Off-balance-sheet Credit Exposures

Synovus maintains a separate ACL for off-balance-sheet credit exposures, including unfunded loan commitments, unless the associated obligation is unconditionally cancellable by the Company. This allowance is included in other liabilities on the consolidated balance sheets with offsetting expense recognized as a component of the provision for credit losses on the

consolidated statements of income. The reserve for off-balance-sheet credit exposures considers the likelihood that funding will occur and estimates the expected credit losses on resulting commitments expected to be funded over its estimated life using the estimated loss rates on loans held for investment.

Recently Issued Accounting Standards Not Yet Adopted

ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting (ASC 848). Facilitation of the Effects of Reference Rate Reform on Financial Reporting, provides temporary, optional guidance to ease the potential burden in accounting for, or recognizing the effects of, the transition away from the LIBOR or other interbank offered rate on financial reporting. To help with the transition to new reference rates, the ASU provides optional expedients and exceptions for applying GAAP to affected contract modifications and hedge accounting relationships. The main provisions include:

•A change in a contract’s reference interest rate would be accounted for as a continuation of that contract rather than as the creation of a new one for contracts, including loans, debt, leases, and other arrangements, that meet specific criteria.

•When updating its hedging strategies in response to reference rate reform, an entity would be allowed to preserve its hedge accounting.

The guidance is applicable only to contracts or hedge accounting relationships that reference LIBOR or another reference rate expected to be discontinued. Because the guidance is meant to help entities through the transition period, it will be in effect for a limited time and will not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, for which an entity has elected certain optional expedients that are retained through the end of the hedging relationship. The amendments in this ASU are effective March 12, 2020 through December 31, 2022. We are evaluating the impact of adopting the new guidance on the consolidated financial statements on an ongoing basis with no material expected impact at this time.

ASU 2020-08, Codification Improvements to Subtopic 310-20, Receivables – Nonrefundable Fees and Other Costs. The guidance in this ASU pertains to the shortened amortization period for certain purchased callable debt securities held at a premium, which premium is amortized to the earliest call date in accordance with ASC 310-20-25-33, and clarifies that an entity should reevaluate whether a callable debt security is within the scope of paragraph 310-20-25-33 for each reporting period. The amendments in this ASU are effective for fiscal years beginning after December 15, 2020. Early adoption is not permitted. We are evaluating the impact of adopting the new guidance on the consolidated financial statements.

Recently Adopted Accounting Standards and Recently Issued Accounting Standards Not Yet Adopted

Recently Issued Accounting Standards Not Yet Adopted

ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting (ASC 848). Facilitation of the Effects of Reference Rate Reform on Financial Reporting, provides temporary, optional guidance to ease the potential burden in accounting for, or recognizing the effects of, the transition away from the LIBOR or other interbank offered rate on financial reporting. To help with the transition to new reference rates, the ASU provides optional expedients and exceptions for applying GAAP to affected contract modifications and hedge accounting relationships. The main provisions include:

•A change in a contract’s reference interest rate would be accounted for as a continuation of that contract rather than as the creation of a new one for contracts, including loans, debt, leases, and other arrangements, that meet specific criteria.

•When updating its hedging strategies in response to reference rate reform, an entity would be allowed to preserve its hedge accounting.

The guidance is applicable only to contracts or hedge accounting relationships that reference LIBOR or another reference rate expected to be discontinued. Because the guidance is meant to help entities through the transition period, it will be in effect for a limited time and will not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, for which an entity has elected certain optional expedients that are retained through the end of the hedging relationship. The amendments in this ASU are effective March 12, 2020 through December 31, 2022. We are evaluating the impact of adopting the new guidance on the consolidated financial statements on an ongoing basis with no material expected impact at this time.

ASU 2020-08, Codification Improvements to Subtopic 310-20, Receivables – Nonrefundable Fees and Other Costs. The guidance in this ASU pertains to the shortened amortization period for certain purchased callable debt securities held at a premium, which premium is amortized to the earliest call date in accordance with ASC 310-20-25-33, and clarifies that an entity should reevaluate whether a callable debt security is within the scope of paragraph 310-20-25-33 for each reporting period. The amendments in this ASU are effective for fiscal years beginning after December 15, 2020. Early adoption is not permitted. We are evaluating the impact of adopting the new guidance on the consolidated financial statements.

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Acquisitions

9 Months Ended

Sep. 30, 2020

Business Combinations [Abstract]

Acquisitions

Note 2 - Acquisitions

Acquisition of FCB Financial Holdings, Inc.

Effective January 1, 2019, Synovus completed its acquisition of all of the outstanding stock of FCB, a bank holding company based in Weston, Florida, for total consideration of $1.63 billion. Effective January 1, 2019, FCB's wholly-owned banking subsidiary, Florida Community Bank, National Association, merged into Synovus Bank. The acquisition of FCB expanded Synovus' presence in Florida and the Southeast, adding $9.29 billion in loans and $10.93 billion in deposits on the Acquisition Date. The acquisition of FCB constituted a business combination and was accounted for under the acquisition method of accounting in accordance with ASC Topic 805, Business Combinations, with the valuation finalized as of December 31, 2019. The results of FCB's operations are included in Synovus' consolidated financial statements since the Acquisition Date.

During 2019, in connection with the FCB acquisition, Synovus incurred merger-related expense totaling $0.4 million and $57.5 million for the three and nine months ended September 30, 2019, respectively, primarily related to employment compensation agreements, severance, professional services, and contract termination charges.

See "Part II - Item 8. Financial Statements and Supplementary Data - Note 2 - Acquisitions" to the consolidated financial statements of Synovus' 2019 Form 10-K for additional information on Synovus' acquisition of FCB.

Acquisition of Global One

On October 1, 2016, Synovus completed its acquisition of all of the outstanding stock of Global One. Under the terms of the merger agreement, the purchase price included additional annual payments ("Earnout Payments") to Global One's former shareholders over a period not to extend beyond June 30, 2021, with amounts based on a percentage of "Global One Earnings," as defined in the merger agreement. The Earnout Payments consist of shares of Synovus common stock as well as a smaller cash consideration component. During the three months ended September 30, 2020, Synovus did not record any adjustments to the earnout liability and during the nine months ended September 30, 2020, Synovus recorded a $4.9 million increase to the earnout liability driven by increased earnings and earnings projections of Global One. The total fair value of the earnout liability at September 30, 2020 was $15.9 million.

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Investment Securities Available for Sale

3 Months Ended

Jun. 30, 2020

Investments [Abstract]

Investment Securities Available for Sale

Note 3 - Investment Securities Available for Sale

The amortized cost, gross unrealized gains and losses, and estimated fair values of investment securities available for sale at September 30, 2020 and December 31, 2019 are summarized below.

	September 30, 2020
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	153,984		3,056		(426)		156,614
Mortgage-backed securities issued by U.S. Government agencies	1,132,816		2,655		(6,079)		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	4,402,051		138,611		(276)		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	1,331,011		18,495		(4,222)		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	334,463		19,694		—		354,157
State and municipal securities	500		1		—		501
Corporate debt securities and other debt securities	20,186		141		(390)		19,937
Total investment securities available for sale	$	7,395,265	$	182,653	$	(11,393)	$	7,566,525
	December 31, 2019
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	35,499		1,042		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	56,328		560		(72)		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	5,079,396		103,495		(2,076)		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	629,706		7,349		(204)		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	357,291		14,301		—		371,592
State and municipal securities	2,069		6		—		2,075
Asset-backed securities	323,237		4,315		(152)		327,400
Corporate debt securities and other debt securities	144,410		2,317		(2)		146,725
Total investment securities available for sale	$	6,647,791	$	133,385	$	(2,506)	$	6,778,670

At September 30, 2020 and December 31, 2019, investment securities with a carrying value of $2.34 billion and $1.71 billion, respectively, were pledged to secure certain deposits and other liabilities, as required by law or contractual agreements.

Gross unrealized losses on investment securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2020 and December 31, 2019 are presented below.

	September 30, 2020
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Government agency securities	$	48,921	$	(426)	$	—	$	—	$	48,921	$	(426)
Mortgage-backed securities issued by U.S. Government agencies	800,908		(6,079)		—		—		800,908		(6,079)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	180,899		(276)		—		—		180,899		(276)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	609,208		(4,222)		—		—		609,208		(4,222)
Corporate debt securities and other debt securities	11,115		(390)		—		—		11,115		(390)
Total	$	1,651,051	$	(11,393)	$	—	$	—	$	1,651,051	$	(11,393)
	December 31, 2019
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Mortgage-backed securities issued by U.S. Government agencies	$	19,543	$	(70)	$	355	$	(2)	$	19,898	$	(72)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	768,040		(2,076)		—		—		768,040		(2,076)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	57,670		(204)		—		—		57,670		(204)
Asset-backed securities	37,156		(116)		4,954		(36)		42,110		(152)
Corporate debt securities and other debt securities	9,505		(2)		—		—		9,505		(2)
Total	$	891,914	$	(2,468)	$	5,309	$	(38)	$	897,223	$	(2,506)

As of September 30, 2020, Synovus had 28 investment securities in a loss position for less than twelve months and no investment securities in a loss position for twelve months or longer. At December 31, 2019, Synovus had 26 investment securities in a loss position for less than twelve months and 5 investment securities in a loss position for twelve months or longer. Synovus does not intend to sell investment securities in an unrealized loss position prior to the recovery of the unrealized loss, which may not be until maturity, and has the ability and intent to hold those securities for that period of time. Additionally, Synovus is not currently aware of any circumstances which will require it to sell any of the securities that are in an unrealized loss position prior to the respective securities' recovery of all such unrealized losses. As such, no write-downs to the amortized cost basis of the portfolio were recorded in the current period. During the latter part of the second quarter of 2020, as part of an overall strategic repositioning of the investment securities portfolio, Synovus realized net gains of $69.4 million from sales of investment securities, including losses of $5.7 million related to the sale of Synovus' remaining portfolio of asset-backed securities.

At September 30, 2020, no ACL was established for investment securities. Substantially all of the unrealized losses on the securities portfolio were the result of changes in market interest rates compared to the date the securities were acquired rather than the credit quality of the issuers or underlying loans.

The amortized cost and fair value by contractual maturity of investment securities available for sale at September 30, 2020 are shown below. The expected life of MBSs or CMOs may differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. For purposes of the maturity table, MBSs and CMOs, which are not due at a single maturity date, have been classified based on the final contractual maturity date.

	Distribution of Maturities at September 30, 2020
(in thousands)	Within One Year		1 to 5 Years		5 to 10 Years		More Than 10 Years		Total
Amortized Cost
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	430		26,432		127,122		—		153,984
Mortgage-backed securities issued by U.S. Government agencies	—		1,585		311		1,130,920		1,132,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		310		73,420		4,328,321		4,402,051
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		248		1,330,763		1,331,011
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		109,731		112,089		112,643		334,463
State and municipal securities	—		—		—		500		500
Corporate debt securities and other debt securities	—		9,505		8,681		2,000		20,186
Total amortized cost	$	20,684	$	147,563	$	321,871	$	6,905,147	$	7,395,265
Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	438		26,243		129,933		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,641		324		1,127,427		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		319		76,148		4,463,919		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		259		1,345,025		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		116,705		118,468		118,984		354,157
State and municipal securities	—		—		—		501		501
Corporate debt securities and other debt securities	—		9,315		8,822		1,800		19,937
Total fair value	$	20,692	$	154,223	$	333,954	$	7,057,656	$	7,566,525

Proceeds from sales, gross gains, and gross losses on sales of securities available for sale for the three and nine months ended September 30, 2020 and 2019 are presented below. The specific identification method is used to reclassify gains and losses out of other comprehensive income at the time of sale.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Proceeds from sales of investment securities available for sale	$	1,249,507	$	709,464	$	3,932,368	$	2,456,137
Gross realized gains on sales	—		140		83,840		9,270
Gross realized losses on sales(1)	(1,550)		(3,871)		(7,246)		(14,772)
Investment securities gains (losses), net	$	(1,550)	$	(3,731)	$	76,594	$	(5,502)

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Loans and Allowance for Loan Losses

9 Months Ended

Sep. 30, 2020

Loans and Allowance for Loan Losses [Abstract]

Loans and Allowance for Loan Losses

Note 4 - Loans and Allowance for Loan Losses

Aging and Non-Accrual Analysis

The following tables provide a summary of current, accruing past due, and non-accrual loans by portfolio class as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual with an ALL		Non-accrual without an ALL		Total
Commercial, financial and agricultural	$	13,009,877	$	13,967	$	829	$	14,796	$	67,415	$	27,950	$	13,120,038
Owner-occupied	6,869,346		4,131		375		4,506		10,623		9,638		6,894,113
Total commercial and industrial	19,879,223		18,098		1,204		19,302		78,038		37,588		20,014,151
Investment properties	9,628,029		5,620		538		6,158		28,260		—		9,662,447
1-4 family properties	649,225		2,092		350		2,442		2,135		1,236		655,038
Land and development	645,148		583		268		851		2,126		265		648,390
Total commercial real estate	10,922,402		8,295		1,156		9,451		32,521		1,501		10,965,875
Consumer mortgages	5,643,745		6,475		872		7,347		7,433		—		5,658,525
Home equity lines	1,601,705		3,176		29		3,205		10,297		—		1,615,207
Credit cards	259,262		1,894		3,673		5,567		—		—		264,829
Other consumer loans	1,116,334		11,866		578		12,444		1,459		—		1,130,237
Total consumer	8,621,046		23,411		5,152		28,563		19,189		—		8,668,798
Total loans	$	39,422,671	$	49,804	$	7,512	$	57,316	$	129,748	$	39,089	$	39,648,824	(1)

	December 31, 2019
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual		ASC 310-30 Loans(2)		Total
Commercial, financial and agricultural	$	9,124,285	$	38,916	$	1,206	$	40,122	$	56,017	$	1,019,135	$	10,239,559
Owner-occupied	5,691,095		5,164		576		5,740		9,780		823,196		6,529,811
Total commercial and industrial	14,815,380		44,080		1,782		45,862		65,797		1,842,331		16,769,370
Investment properties	7,264,794		1,344		—		1,344		1,581		1,736,608		9,004,327
1-4 family properties	733,984		2,073		304		2,377		2,253		41,401		780,015
Land and development	629,363		808		—		808		1,110		78,161		709,442
Total commercial real estate	8,628,141		4,225		304		4,529		4,944		1,856,170		10,493,784
Consumer mortgages	3,681,553		4,223		730		4,953		11,369		1,848,493		5,546,368
Home equity lines	1,691,759		7,038		171		7,209		12,034		2,155		1,713,157
Credit cards	263,065		3,076		2,700		5,776		—		—		268,841
Other consumer loans	2,363,101		18,688		616		19,304		5,704		8,185		2,396,294
Total consumer	7,999,478		33,025		4,217		37,242		29,107		1,858,833		9,924,660
Total loans	$	31,442,999	$	81,330	$	6,303	$	87,633	$	99,848	$	5,557,334	$	37,187,814	(3)

(1)    Total before net deferred fees and costs of $99.0 million.

(2)    Represents loans (at fair value) acquired from FCB accounted for under ASC 310-30, net of discount of $90.3 million and payments since Acquisition Date and also include $1.8 million in non-accrual loans, $9.6 million in accruing 90 days or greater past due loans, and $26.5 million in 30-89 days past due loans.

(3)    Total before net deferred fees and costs of $25.4 million.

Interest income on non-accrual loans outstanding that would have been recorded if the loans had been current and performing in accordance with their original terms was $4.3 million and $2.5 million for the three months ended September 30, 2020 and 2019, respectively, and $9.2 million and $8.0 million for the nine months ended September 30, 2020 and 2019,

respectively. Of the interest income recognized during the three months ended September 30, 2020 and 2019, cash-basis interest income was $1.3 million and $363 thousand, respectively. Cash-basis interest income was $2.7 million and $2.0 million for the nine months ended September 30, 2020 and 2019, respectively.

Pledged Loans

Loans with carrying values of $15.29 billion and $12.11 billion, respectively, were pledged as collateral for borrowings and capacity at September 30, 2020 and December 31, 2019, respectively, to the FHLB and Federal Reserve Bank.

Portfolio Segment Risk Factors

The risk characteristics and collateral information of each portfolio segment are as follows:

Commercial and Industrial Loans - The C&I loan portfolio is comprised of general middle market and commercial banking clients across a diverse set of industries. In accordance with Synovus' lending policy, each loan undergoes a detailed underwriting process which incorporates uniform underwriting standards and oversight in proportion to the size and complexity of the lending relationship. These loans are secured by collateral such as business equipment, inventory, and real estate. Whether for real estate or non-real estate purpose, credit decisions on loans in the C&I portfolio are based on cash flow from the operations of the business as the primary source of repayment of the debt, with underlying real estate or other collateral being the secondary source of repayment. PPP loans, which are categorized as C&I loans, were $2.71 billion net of unearned fees at September 30, 2020 and are guaranteed by the SBA.

Commercial Real Estate Loans - CRE loans primarily consist of income-producing investment properties loans. Additionally, CRE loans include 1-4 family properties loans as well as land and development loans. Investment properties loans consist of construction and mortgage loans for income-producing properties and are primarily made to finance multi-family properties, hotels, office buildings, shopping centers, warehouses and other commercial development properties. 1-4 family properties loans include construction loans to homebuilders and commercial mortgage loans related to 1-4 family rental properties and are almost always secured by the underlying property being financed by such loans. These properties are primarily located in the markets served by Synovus. Land and development loans include commercial and residential development as well as land acquisition loans and are secured by land held for future development, typically in excess of one year. Properties securing these loans are substantially within markets served by Synovus, and loan terms generally include personal guarantees from the principals. Loans in this portfolio are underwritten based on the LTV of the collateral and the capacity of the guarantor(s).

Consumer Loans - The consumer loan portfolio consists of a wide variety of loan products offered through Synovus' banking network including first and second residential mortgages, HELOCs, and credit card loans, as well as home improvement loans, student, and personal loans from third-party lending partnerships. The majority of Synovus' consumer loans are consumer mortgages and HELOCs secured by first and second liens on residential real estate primarily located in the markets served by Synovus. The primary source of repayment for all consumer loans is generally the personal income of the borrower(s).

Credit Quality Indicators

The credit quality of the loan portfolio is reviewed and updated no less frequently than quarterly using the standard asset classification system utilized by the federal banking agencies. These classifications are divided into three groups: Not Criticized (Pass), Special Mention, and Classified or Adverse rating (Substandard, Doubtful, and Loss) and are defined as follows:

Pass - loans which are well protected by the current net worth and paying capacity of the obligor (or guarantors, if any) or by the fair value, less cost to acquire and sell in a timely manner, of any underlying collateral.

Special Mention - loans which have potential weaknesses that deserve management's close attention. These loans are not adversely classified and do not expose an institution to sufficient risk to warrant an adverse classification.

Substandard - loans which are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged, if any. Loans with this classification are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

Doubtful - loans which have all the weaknesses inherent in loans classified as Substandard with the added characteristic that the weaknesses make collection or liquidation in full highly questionable and improbable on the basis of currently known facts, conditions, and values.

Loss - loans which are considered by management to be uncollectible and of such little value that their continuance on the institution's books as an asset, without establishment of a specific valuation allowance or charge-off, is not warranted. Synovus fully reserves for any loans rated as Loss.

In the following tables, consumer loans are generally assigned a risk grade similar to the classifications described above; however, upon reaching 90 days and 120 days past due, they are generally downgraded to Substandard and Loss, respectively, in accordance with the FFIEC Retail Credit Classification Policy. Additionally, in accordance with Interagency Supervisory

Guidance, the risk grade classifications of consumer loans (consumer mortgages and HELOCs) secured by junior liens on 1-4 family residential properties also consider available information on the payment status of any associated senior liens with other financial institutions.

The following table summarizes each loan portfolio class by risk grade and origination year as of September 30, 2020 as required under CECL.

	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Commercial, financial and agricultural
Pass	$	4,056,896	$	1,429,402	$	974,892	$	667,989	$	566,178	$	815,006	$	4,049,741	$	60,299	$	12,620,403
Special Mention	49,283		39,929		21,599		33,376		8,404		7,986		63,455		506		224,538
Substandard(1)	27,247		12,646		14,879		36,007		12,373		40,342		102,364		516		246,374
Doubtful(2)	—		3,721		19,778		186		915		91		4,032		—		28,723
Total commercial, financial and agricultural	4,133,426		1,485,698		1,031,148		737,558		587,870		863,425		4,219,592		61,321		13,120,038
Owner-occupied
Pass	953,513		1,189,845		1,212,541		1,032,744		643,841		1,338,513		328,656		—		6,699,653
Special Mention	3,029		19,004		18,746		11,767		3,604		7,278		—		—		63,428
Substandard(1)	1,788		14,686		36,319		29,794		6,521		32,286		—		—		121,394
Doubtful(2)	—		—		9,638		—		—		—		—		—		9,638
Total owner-occupied	958,330		1,223,535		1,277,244		1,074,305		653,966		1,378,077		328,656		—		6,894,113
Total commercial and industrial	5,091,756		2,709,233		2,308,392		1,811,863		1,241,836		2,241,502		4,548,248		61,321		20,014,151
Investment properties
Pass	784,989		2,241,547		2,193,526		1,376,648		606,029		1,404,524		239,503		—		8,846,766
Special Mention	1,222		66,438		147,928		141,036		166,053		129,887		30,206		—		682,770
Substandard(1)	812		2,655		24,965		14,927		821		88,693		38		—		132,911
Total investment properties	787,023		2,310,640		2,366,419		1,532,611		772,903		1,623,104		269,747		—		9,662,447
1-4 family properties
Pass	139,919		125,473		80,610		94,889		49,122		100,984		49,594		—		640,591
Special Mention	419		—		524		111		800		120		—		—		1,974
Substandard(1)	1,514		1,517		3,837		1,038		489		2,560		1,518		—		12,473
Total 1-4 family properties	141,852		126,990		84,971		96,038		50,411		103,664		51,112		—		655,038

	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Land and development
Pass	$	56,935	$	204,012	$	91,630	$	106,490	$	12,564	$	90,474	$	58,092	$	—	$	620,197
Special Mention	—		2,172		4,277		5,784		—		1,828		3,550		—		17,611
Substandard(1)	1,627		1,104		4,675		1,085		527		1,564		—		—		10,582
Total land and development	58,562		207,288		100,582		113,359		13,091		93,866		61,642		—		648,390
Total commercial real estate	987,437		2,644,918		2,551,972		1,742,008		836,405		1,820,634		382,501		—		10,965,875
Consumer mortgages
Pass	1,579,366		964,882		481,718		764,384		755,595		1,102,091		1,005		—		5,649,041
Substandard(1)	49		197		777		805		2,412		5,170		—		—		9,410
Loss(3)	—		—		—		—		—		74		—		—		74
Total consumer mortgages	1,579,415		965,079		482,495		765,189		758,007		1,107,335		1,005		—		5,658,525
Home equity lines
Pass	—		—		—		—		—		—		1,513,600		86,404		1,600,004
Substandard(1)	—		—		—		—		—		—		8,603		5,173		13,776
Doubtful(2)	—		—		—		—		—		—		—		19		19
Loss(3)	—		—		—		—		—		—		1,243		165		1,408
Total home equity lines	—		—		—		—		—		—		1,523,446		91,761		1,615,207
Credit cards
Pass	—		—		—		—		—		—		261,207		—		261,207
Substandard(1)	—		—		—		—		—		—		828		—		828
Loss(4)	—		—		—		—		—		—		2,794		—		2,794
Total credit cards	—		—		—		—		—		—		264,829		—		264,829
Other consumer loans
Pass	136,944		229,039		142,260		161,717		112,805		76,244		268,840		—		1,127,849
Substandard(1)	—		720		163		474		64		714		253		—		2,388
Total other consumer loans	136,944		229,759		142,423		162,191		112,869		76,958		269,093		—		1,130,237
Total consumer	1,716,359		1,194,838		624,918		927,380		870,876		1,184,293		2,058,373		91,761		8,668,798
Total loans(5)	$	7,795,552	$	6,548,989	$	5,485,282	$	4,481,251	$	2,949,117	$	5,246,429	$	6,989,122	$	153,082	$	39,648,824

(1)    The majority of loans within Substandard risk grade are accruing loans at September 30, 2020.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $99.0 million.

The following table summarizes each loan portfolio class by risk grade as of December 31, 2019.

	December 31, 2019
(in thousands)	Pass		Special Mention		Substandard(1)		Doubtful(2)		Loss(3)			Total
Commercial, financial and agricultural	$	9,927,059	$	128,506	$	182,831	$	1,163	$	—		$	10,239,559
Owner-occupied	6,386,055		58,330		85,426		—		—			6,529,811
Total commercial and industrial	16,313,114		186,836		268,257		1,163		—			16,769,370
Investment properties	8,930,360		16,490		57,477		—		—			9,004,327
1-4 family properties	766,529		3,249		10,237		—		—			780,015
Land and development	681,003		18,643		9,796		—		—			709,442
Total commercial real estate	10,377,892		38,382		77,510		—		—			10,493,784
Consumer mortgages	5,527,746		—		18,376		97		149			5,546,368
Home equity lines	1,697,086		—		14,806		21		1,244			1,713,157
Credit cards	266,146		—		818		—		1,877		(4)	268,841
Other consumer loans	2,390,199		—		6,095		—		—			2,396,294
Total consumer	9,881,177		—		40,095		118		3,270			9,924,660
Total loans(5)	$	36,572,183	$	225,218	$	385,862	$	1,281	$	3,270		$	37,187,814

(1)    The majority of loans within Substandard risk grade are accruing loans at December 31, 2019.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $25.4 million.

Collateral-Dependent Loans

We classify a loan as collateral-dependent when our borrower is experiencing financial difficulty, and we expect repayment to be provided substantially through the operation or sale of collateral. Our commercial loans have collateral that is comprised of real estate and business assets. Our consumer loans have collateral that is substantially comprised of residential real estate.

There were no significant changes in the extent to which collateral secures our collateral-dependent loans during the three and nine months ended September 30, 2020.

Rollforward of Allowance for Loan Losses

The following tables detail the changes in the ALL by loan segment for the three and nine months ended September 30, 2020 and 2019. Additionally, during the three and nine months ended September 30, 2020, Synovus reversed $6.1 million and $19.4 million, respectively, in previously established reserves for credit losses associated with the transfer to held for sale of $513.2 million and $1.31 billion, respectively, in performing loans primarily related to third-party single-service consumer loans and non-relationship consumer mortgages.

	As Of and For the Three Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	229,915	$	171,526	$	187,207	$	588,648
Charge-offs	(19,367)		(6,878)		(9,101)		(35,346)
Recoveries	3,796		1,225		1,859		6,880
Provision for (reversal of) loan losses	46,256		(22,068)		19,430		43,618
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Three Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	138,004	$	63,463	$	55,909	$	257,376
Charge-offs	(15,425)		(3,275)		(6,026)		(24,726)
Recoveries	2,276		1,490		1,035		4,801
Provision for loan losses	17,156		280		10,126		27,562
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013
	As Of and For the Nine Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance, prior to adoption of ASU 2016-13	$	145,782	$	67,430	$	68,190	$	281,402
Impact from adoption of ASU 2016-13	(2,310)		(651)		85,955		82,994
Charge-offs	(57,497)		(8,585)		(23,917)		(89,999)
Recoveries	8,798		2,160		6,468		17,426
Provision for loan losses	165,827		83,451		62,699		311,977
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Nine Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	133,123	$	68,796	$	48,636	$	250,555
Charge-offs	(39,558)		(5,369)		(17,363)		(62,290)
Recoveries	6,087		3,788		3,623		13,498
Provision for (reversal of) loan losses	42,359		(5,257)		26,148		63,250
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013

The ALL of $603.8 million and the reserve for unfunded commitments of $60.8 million, which is recorded in other liabilities, comprise the total ACL of $664.6 million at September 30, 2020. The ACL increased during the third quarter of 2020 by $14.9 million to $664.6 million as of September 30, 2020. Since the adoption of CECL on January 1, 2020, the ACL has increased $271.4 million due primarily to uncertainty and deterioration in the economic environment caused by the COVID-19 pandemic. Provision for credit losses (which includes the provision for loan losses and unfunded commitments) of $43.4 million for the three months ended September 30, 2020 included net charge-offs of $28.5 million and the impact of downgrades largely concentrated in the hotel portfolio, which were mostly offset by improvement in the economic forecast which included adjustments for the estimated impact of currently enacted government stimulus plans, as well as reserve releases from loan dispositions. Provision for credit losses of $344.0 million for the nine months ended September 30, 2020, resulted in the building of the ACL required under CECL primarily as a result of deterioration in the economic environment due to the impact of COVID-19.

Our modeling process incorporates quantitative and qualitative considerations that are used to inform CECL estimates. The internally developed economic forecast used to determine the ACL as of September 30, 2020 was approved late in the third quarter of 2020 pursuant to Synovus' economic forecasting governance processes. The modeling assumptions for the third quarter of 2020 included adjustments for the estimated impact of currently enacted government stimulus plans and an unemployment rate ending the 2020 year around 8% before declining modestly in 2021. This, along with credit migration and other loan portfolio activity, resulted in an increase of the ACL to loans coverage ratio during the quarter of 5 bps to 1.68%, or 1.80% excluding PPP loans, at September 30, 2020.

Significant economic uncertainty remains as a result of the continuing COVID-19 crisis, and the trajectory of the economic recovery including any additional government stimulus plans will impact subsequent period CECL reserves.

TDRs

Information about Synovus' TDRs is presented in the following tables. Synovus began entering into loan modifications with borrowers in response to the COVID-19 pandemic, which have not been classified as TDRs, and therefore are not included in the discussion below. See "Part I-Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report for more information on Synovus' loan modifications due to COVID-19. The following tables represent, by concession type, the post-modification balance for loans modified or renewed during the three and nine months ended September 30, 2020 and 2019 that were reported as accruing or non-accruing TDRs.

TDRs by Concession Type
	Three Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	42	$	3,335	$	670	$	4,005
Owner-occupied	7	1,753		—		1,753
Total commercial and industrial	49	5,088		670		5,758
Investment properties	2	294		93		387
1-4 family properties	5	74		114		188
Land and development	1	40		—		40
Total commercial real estate	8	408		207		615
Consumer mortgages	3	496		23		519
Home equity lines	17	471		648		1,119
Other consumer loans	3	48		85		133
Total consumer	23	1,015		756		1,771
Total TDRs	80	$	6,511	$	1,633	$	8,144	(2)
	Three Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	27	$	2,577	$	1,917	$	4,494
Owner-occupied	7	2,822		861		3,683
Total commercial and industrial	34	5,399		2,778		8,177
Investment properties	4	385		—		385
1-4 family properties	4	766		—		766
Land and development	1	473		—		473
Total commercial real estate	9	1,624		—		1,624
Consumer mortgages	10	1,008		118		1,126
Home equity lines	25	364		1,635		1,999
Other consumer loans	27	473		1,222		1,695
Total consumer	62	1,845		2,975		4,820
Total TDRs	105	$	8,868	$	5,753	$	14,621	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the three months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the three months ended September 30, 2020.

(3)    No net charge-offs were recorded during the three months ended September 30, 2019.

	Nine Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	118	$	8,562	$	4,681	$	13,243
Owner-occupied	19	3,573		1,530		5,103
Total commercial and industrial	137	12,135		6,211		18,346
Investment properties	6	28,963		93		29,056
1-4 family properties	15	867		1,105		1,972
Land and development	3	581		—		581
Total commercial real estate	24	30,411		1,198		31,609
Consumer mortgages	19	1,568		2,589		4,157
Home equity lines	50	926		2,530		3,456
Other consumer loans	50	145		2,779		2,924
Total consumer	119	2,639		7,898		10,537
Total TDRs	280	$	45,185	$	15,307	$	60,492	(2)
	Nine Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	61	$	5,703	$	4,404	$	10,107
Owner-occupied	13	4,854		861		5,715
Total commercial and industrial	74	10,557		5,265		15,822
Investment properties	6	1,048		—		1,048
1-4 family properties	14	2,072		—		2,072
Land and development	3	641		—		641
Total commercial real estate	23	3,761		—		3,761
Consumer mortgages	15	1,245		1,332		2,577
Home equity lines	50	2,686		1,740		4,426
Other consumer loans	79	1,167		3,599		4,766
Total consumer	144	5,098		6,671		11,769
Total TDRs	241	$	19,416	$	11,936	$	31,352	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the nine months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the nine months ended September 30, 2020.

(3)    No net charge-offs were recorded during the nine months ended September 30, 2019.

For the three and nine months ended September 30, 2020 there was one default with a recorded investment of $21 thousand and five defaults with a recorded investment of $666 thousand, respectively, on accruing TDRs restructured during the previous twelve months (defaults are defined as the earlier of the TDR being placed on non-accrual status or reaching 90 days past due with respect to principal and/or interest payments) compared to three defaults with a recorded investment of $321 thousand and four defaults with a recorded investment of $326 thousand for the three and nine months ended September 30, 2019, respectively. As of September 30, 2020 and December 31, 2019, there were no commitments to lend a material amount of additional funds to any customer whose loan was classified as a TDR.

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Note 5 - Goodwill and Other Intangible Assets

Goodwill allocated to each reporting unit at September 30, 2020 and December 31, 2019 is presented as follows (the FMS reportable segment includes two reporting units of Consumer Mortgage and Wealth Management):

(in thousands)	Community Banking Reporting Unit		Wholesale Banking Reporting Unit		Consumer Mortgage Reporting Unit		Wealth Management Reporting Unit		Total
Balance as of December 31, 2019	$	256,323	$	171,636	$	44,877	$	24,431	$	497,267
Goodwill impairment	—		—		(44,877)		—		(44,877)
Balance as of September 30, 2020	$	256,323	$	171,636	$	—	$	24,431	$	452,390

Goodwill is evaluated for impairment on an annual basis or whenever an event occurs or circumstances change to indicate that it is more likely than not that an impairment loss has been incurred (i.e., a triggering event). Synovus conducted a goodwill impairment assessment as of December 31, 2019, following Synovus' reorganization, applying ASC 350-20-35-3A Goodwill Subsequent Measurement - Qualitative Assessment Approach and concluded that goodwill was not impaired. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 19 -Segment Reporting" to the consolidated financial statements of Synovus' 2019 Form 10-K for information on Synovus' reorganization during 2019.

During 2020, Synovus performed interim goodwill impairment tests as of September 30, 2020, June 30, 2020 and March 31, 2020 based on quarterly assessments of triggering events that included Synovus' stock price trading below book value, an extremely low interest rate environment, as well as general recessionary economic conditions caused by the COVID-19 pandemic. Quantitative assessments of goodwill impairment include determining the estimated fair value of each reporting unit, utilizing a combination of discounted cash flow and market-based approaches, and comparing that fair value to each reporting unit's carrying amount. The discounted cash flow method included updated internal forecasts, long-term profitability targets, growth rates and discount rates. The market approach was based on a comparison of certain financial metrics of Synovus' reporting units to guideline public company peers. The income-based discounted cash flow approach was more heavily weighted (60%) than the market-based approach (40%) due to significant volatility in the market since the pandemic was declared a National Emergency.

Based on the assessment performed at September 30, 2020, Synovus recognized a $44.9 million goodwill impairment charge representing all goodwill allocated to the Consumer Mortgage reporting unit, while the fair values of the Community Banking, Wholesale Banking and Wealth Management reporting units continued to exceed the respective carrying values. The projected cash flows of the Consumer Mortgage reporting unit declined from the prior period valuations due to significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. The primarily fixed rate, longer duration nature of Synovus’ mortgage portfolio especially impacted the Consumer Mortgage reporting unit. In addition, the excess of fair value over the carrying amount for the Community Banking and Wholesale Banking reporting units was less than 10% at September 30, 2020.

Due to the high degree of subjectivity involved in estimating the fair value of Synovus' reporting units, a decline in Synovus' expected future cash flows or estimated growth rates due to further deterioration in the economic environment, or continued market capitalization of Synovus below book value, could result in an additional goodwill impairment charge that is material to Synovus' results from operations, but would not materially impact our financial condition.

The following table shows the gross carrying amount and accumulated amortization of other intangible assets as of September 30, 2020 and December 31, 2019, which primarily consist of core deposit intangible assets acquired in the FCB acquisition. The CDI is being amortized over its estimated useful life of approximately ten years utilizing an accelerated method. Aggregate other intangible assets amortization expense for the three and nine months ended September 30, 2020 was $2.6 million and $7.9 million, respectively. Aggregate other intangible assets amortization for the three and nine months ended September 30, 2019 was $2.9 million and $8.7 million, respectively.

(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
September 30, 2020
CDI	$	57,400	$	(17,481)	$	39,919
Other	12,500		(4,667)		7,833
Total other intangible assets	$	69,900	$	(22,148)	$	47,752
December 31, 2019
CDI	$	57,400	$	(10,436)	$	46,964
Other	12,500		(3,793)		8,707
Total other intangible assets	$	69,900	$	(14,229)	$	55,671

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Shareholders' Equity and Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Shareholders' Equity and Other Comprehensive Income (Loss)

Note 6 - Shareholders' Equity and Other Comprehensive Income (Loss)

Repurchases of Common Stock

During the three months ended September 30, 2020, Synovus did not repurchase any shares of its common stock. During the nine months ended September 30, 2020, Synovus repurchased $16.2 million, or 450 thousand shares of its common stock, at an average price of $36.08 per share, under the share repurchase program announced on January 24, 2020.

Dividends

The following table presents dividends declared related to common stock. For information related to preferred stock dividends, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 10 - Shareholders' Equity and Other Comprehensive Income" to the consolidated financial statements of Synovus' 2019 Form 10-K.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cash dividends declared per share	$	0.33	$	0.30	$	0.99	$	0.90

Equity-Based Compensation Plans

The following tables summarize the status of Synovus' stock options, restricted share units, market restricted share units, and performance share units as of September 30, 2020 and activity for the nine months ended September 30, 2020.

	Stock Options
(in thousands, except per share amounts)	Quantity	Weighted-Average Exercise Price Per Share
Outstanding at January 1, 2020	3,037	$	22.74
Exercised	(239)	28.28
Expired/canceled	(64)	29.75
Outstanding at September 30, 2020	2,734	$	22.09

	RSUs, MRSUs, and PSUs
(in thousands, except per share amounts)	Quantity	Weighted-Average Grant Date Fair Value Per Share
Non-vested at January 1, 2020	1,312	$	39.28
Granted	893	32.91
Quantity change based on TSR and performance factors	44	35.11
Dividend equivalents granted	56	33.50
Vested	(590)	38.85
Forfeited	(58)	36.22
Non-vested at September 30, 2020	1,657	$	35.80

Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)

The following tables illustrate activity within the balances in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2020 and 2019.

Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)
(in thousands)	Net unrealized gains (losses) on investment securities available for sale(1)		Net unrealized gains (losses) on cash flow hedges(1)		Post-retirement unfunded health benefit		Total
Balance, July 1, 2020	$	134,245	$	68,263	$	462	$	202,970
Other comprehensive income (loss) before reclassifications	(21,806)		(6,635)		—		(28,441)
Amounts reclassified from AOCI	1,149		(764)		—		385
Net current period other comprehensive income (loss)	(20,657)		(7,399)		—		(28,056)
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, July 1, 2019	$	60,586	$	(12,137)	$	840	$	49,289
Other comprehensive income (loss) before reclassifications	25,133		(876)		(378)		23,879
Amounts reclassified from AOCI	2,765		—		—		2,765
Net current period other comprehensive income (loss)	27,898		(876)		(378)		26,644
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933
Balance, January 1, 2020	$	83,666	$	(18,487)	$	462	$	65,641
Other comprehensive income (loss) before reclassifications	86,678		80,404		—		167,082
Amounts reclassified from AOCI	(56,756)		(1,053)		—		(57,809)
Net current period other comprehensive income (loss)	29,922		79,351		—		109,273
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, January 1, 2019	$	(83,179)	$	(12,137)	$	896	$	(94,420)
Other comprehensive income (loss) before reclassifications	167,586		(876)		(378)		166,332
Amounts reclassified from AOCI	4,077		—		(56)		4,021
Net current period other comprehensive income (loss)	171,663		(876)		(434)		170,353
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933

(1)    For all periods presented, the ending balance in net unrealized gains (losses) on cash flow hedges and investment securities available for sale includes unrealized losses of $12.1 million and $13.3 million, respectively, related to residual tax effects remaining in OCI due to previously established deferred tax asset valuation allowances in 2010 and 2011. In accordance with ASC 740-20-45-11(b), under the portfolio approach, these unrealized losses are realized at the time the entire portfolio is sold or disposed.

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Fair Value Accounting

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Accounting

Note 7 - Fair Value Accounting

Fair value accounting guidance defines fair value as the exchange price that would be received to sell an asset or paid to transfer a liability (an "exit price") in the principal or most advantageous market available to the entity in an orderly transaction between market participants, on the measurement date. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" of Synovus' 2019 Form 10-K for a description of how fair value measurements are determined.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present all financial instruments measured at fair value on a recurring basis as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Mortgage-backed securities issued by U.S. Government agencies	$	—	$	18	$	—	$	18
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	—		604		—		604
Other mortgage-backed securities	—		673		—		673
State and municipal securities	—		579		—		579
Asset-backed securities	—		2,497		—		2,497
Total trading securities	$	—	$	4,371	$	—	$	4,371
Investment securities available for sale:
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	—		156,614		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,129,392		—		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		4,540,386		—		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		1,345,284		—		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		354,157		—		354,157
State and municipal securities	—		501		—		501
Corporate debt securities and other debt securities	—		18,137		1,800		19,937
Total investment securities available for sale	$	20,254	$	7,544,471	$	1,800	$	7,566,525
Mortgage loans held for sale	—		285,899		—		285,899
Private equity investments	—		—		958		958
Mutual funds and mutual funds held in rabbi trusts	35,174		—		—		35,174
GGL/SBA loans servicing asset	—		—		3,100		3,100
Derivative assets	—		463,028		—		463,028
Liabilities
Earnout liability	$	—	$	—	$	15,924	$	15,924
Derivative liabilities	—		178,508		1,460		179,968

	December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	$	—	$	2,486	$	—	$	2,486
Other mortgage-backed securities	—		1,284		—		1,284
State and municipal securities	—		65		—		65
Asset-backed securities	—		3,227		—		3,227
Other investments	—		150		—		150
Total trading securities	$	—	$	7,212	$	—	$	7,212
Investment securities available for sale:
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	—		36,541		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	—		56,816		—		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		5,180,815		—		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		636,851		—		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		371,592		—		371,592
State and municipal securities	—		2,075		—		2,075
Asset-backed securities	—		327,400		—		327,400
Corporate debt securities and other debt securities	—		144,620		2,105		146,725
Total investment securities available for sale	$	19,855	$	6,756,710	$	2,105	$	6,778,670
Mortgage loans held for sale	—		115,173		—		115,173
Private equity investments	15,502		—		3,887		19,389
Mutual funds and mutual funds held in rabbi trusts	32,348		—		—		32,348
GGL/SBA loans servicing asset	—		—		3,040		3,040
Derivative assets	—		140,016		—		140,016
Liabilities
Trading liability for short positions	$	1,560	$	—	$	—	$	1,560
Earnout liability	—		—		11,016		11,016
Derivative liabilities	—		34,732		2,339		37,071

Fair Value Option

Synovus has elected the fair value option for mortgage loans held for sale primarily to ease the operational burden required to maintain hedge accounting for these loans. Synovus is still able to achieve effective economic hedges on mortgage loans held for sale without the time and expense needed to manage a hedge accounting program.

The following table summarizes the difference between the fair value and the UPB of mortgage loans held for sale and the changes in fair value of these loans. An immaterial portion of these changes in fair value was attributable to changes in instrument-specific credit risk.

Mortgage Loans Held for Sale
(in thousands)	As of September 30, 2020		As of December 31, 2019
Fair value	$	285,899	$	115,173
Unpaid principal balance	276,709		112,218
Fair value less aggregate unpaid principal balance	$	9,190	$	2,955

Changes in Fair Value Included in Net Income
	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Mortgage loans held for sale	$	251	$	892	$	6,235	$	1,593

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

During the three and nine months ended September 30, 2020, Synovus did not have any transfers in or out of Level 3 in the fair value hierarchy. During the nine months ended September 30, 2019, Synovus had transfers out of Level 3 into Level 1 in the fair value hierarchy as certain funds within private equity investments became public with traded securities.

	Three Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2020	$	1,662	$	698	$	3,019	$	(15,924)	$	(1,755)
Total gains (losses) realized/unrealized:
Included in earnings	—		260		(187)		—		—
Unrealized gains (losses) included in OCI	138		—		—		—		—
Additions	—		—		268		—		—
Settlements	—		—		—		—		295
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	260	$	—	$	—	$	—
	Three Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2019	$	2,017	$	13,341	$	3,326	$	(14,353)	$	(1,049)
Total gains (losses) realized/unrealized:
Included in earnings	—		1,194		(298)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	(26)		—		—		—		—
Additions	—		—		322		—		—
Settlements	—		(3,246)		—		—		214
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2019	$	—	$	777	$	—	$	(10,457)	$	(2,500)

	Nine Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2020	$	2,105	$	3,887	$	3,040	$	(11,016)	$	(2,339)
Total gains (losses) realized/unrealized:
Included in earnings			(2,929)		(742)		(4,908)		—
Unrealized gains (losses) included in OCI	(305)		—		—		—		—
Additions	—		—		802		—		—
Settlements	—		—		—		—		879
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	(2,929)	$	—	$	(4,908)	$	—
	Nine Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2019	$	1,785	$	11,028	$	3,729	$	(14,353)	$	(1,673)
Total (losses) gains realized/unrealized:
Included in earnings	—		3,507		(1,091)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	206		—		—		—		—
Additions	—		—		712		—		—
Settlements	—		(3,246)		—		—		838
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held at September 30, 2019	$	—	$	3,090	$	—	$	(10,457)	$	(2,500)

The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a recurring basis. The range of sensitivities that management utilized in its fair value calculations is deemed acceptable in the industry with respect to the identified financial instruments.

			September 30, 2020
(dollars in thousands)	Valuation Technique	Significant Unobservable Input	Level 3 Fair Value	Rate/Range
Assets measured at fair value on a recurring basis
Investment Securities Available for Sale - Corporate debt and other debt securities - trust preferred security	Discounted cash flow analysis	Discount rate Forecasted average Prime reset rate	$1,800	5.83% 3.79%
Private equity investments	Individual analysis of each investee company	Multiple factors, including but not limited to, current operations, financial condition, cash flows, evaluation of business management and financial plans, and recently executed financing transactions related to the investee companies	$958	N/A
GGL/SBA loans servicing asset	Discounted cash flow analysis	Discount rate Prepayment speeds	$3,100	9.68% 19.20%
Earnout liability	Option pricing methods and Monte Carlo simulation	Financial projections of Global One	$15,924	N/A
Visa derivative liability	Discounted cash flow analysis	Estimated timing of resolution of Covered Litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation	$1,460	0-1.2 years (4Q 2021)

Assets Measured at Fair Value on a Non-recurring Basis

Certain assets are required to be measured at fair value on a nonrecurring basis subsequent to their initial recognition. These assets and liabilities are not measured at fair value on an ongoing basis; however, they are subject to fair value adjustments in certain circumstances, such as when there is evidence of impairment. The following table presents assets measured at fair value on a non-recurring basis as of the dates indicated for which there was a fair value adjustment.

	September 30, 2020								December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Loans(1)	$	—	$	—	$	27,440	$	27,440	$	—	$	—	$	1,461	$	1,461
Other real estate	—		—		1,750		1,750		—		—		8,023		8,023
MPS receivable	—		—		17,915		17,915		—		—		21,437		21,437
Other assets held for sale	—		—		1,634		1,634		—		—		1,238		1,238

(1)    Collateral-dependent loans that were written down to fair value of collateral.

ORE properties are included in other assets on the consolidated balance sheets. The carrying value of ORE at September 30, 2020 and December 31, 2019 was $5.4 million and $14.4 million, respectively.

The following table presents fair value adjustments recognized in earnings for the three and nine months ended September 30, 2020 and 2019 for assets measured at fair value on a non-recurring basis still held at period-end.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Loans(1)	$	5,661	$	4,170	$	20,412	$	4,718
Other real estate	107		74		138		569
MPS receivable	—		—		2,663		—
Other assets held for sale	—		—		2,120		91

(1) Collateral-dependent loans that were written down to fair value of collateral.

The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a non-recurring basis.

			September 30, 2020
	Valuation Technique	Significant Unobservable Input	Range (Weighted Average)(1)
Assets measured at fair value on a non-recurring basis
Loans	Third-party appraised value of collateral less estimated selling costs	Discount to appraised value Estimated selling costs	0%-36% (28%) 0%-10% (7%)
Other real estate	Third-party appraised value of real estate less estimated selling costs	Discount to appraised value Estimated selling costs	0%-20% (10%) 0%-10% (7%)
MPS receivable(2)	Third-party appraised value of business less estimated selling costs	Discount to appraised value Estimated selling costs	N/A
Other assets held for sale	Third-party appraised value less estimated selling costs or BOV	Discount to appraised value Estimated selling costs	0%-66% (53%) 0%-10% (7%)

(1)    The weighted average is the measure of central tendencies; it is not the value that management is using for the asset or liability.

(2)    See "Part I - Item 1. Notes to Unaudited Interim Financial Statements - Note 10 - Commitments and Contingencies" of this Report for more information on this receivable which was classified as a NPA at September 30, 2020 and December 31, 2019.

Fair Value of Financial Instruments

The following tables present the carrying and estimated fair values of financial instruments at September 30, 2020 and December 31, 2019. The fair values represent management’s best estimates based on a range of methodologies and assumptions. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for a description of how fair value measurements are determined.

	September 30, 2020
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,985,363	$	1,985,363	$	1,985,363	$	—	$	—
Trading securities	4,371		4,371		—		4,371		—
Investment securities available for sale	7,566,525		7,566,525		20,254		7,544,471		1,800
Loans held for sale	745,160		744,615		—		285,899		458,716
Private equity investments	958		958		—		—		958
Mutual funds and mutual funds held in rabbi trusts	35,174		35,174		35,174		—		—
Loans, net	38,946,047		38,923,265		—		—		38,923,265
GGL/SBA loans servicing asset	3,100		3,100		—		—		3,100
Derivative assets	463,028		463,028		—		463,028		—
Financial liabilities
Non-interest-bearing deposits	$	13,075,081	$	13,075,081	$	—	$	13,075,081	$	—
Non-time interest-bearing deposits	24,831,480		24,831,480		—		24,831,480		—
Time deposits	6,759,343		6,797,139		—		6,797,139		—
Total deposits	$	44,665,904	$	44,703,700	$	—	$	44,703,700	$	—
Federal funds purchased and securities sold under repurchase agreements	202,344		202,344		202,344		—		—
Other short-term borrowings	400,000		400,000		—		400,000		—
Long-term debt	1,628,385		1,687,448		—		1,687,448		—
Earnout liability	15,924		15,924		—		—		15,924
Derivative liabilities	179,968		179,968		—		178,508		1,460

	December 31, 2019
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,186,918	$	1,186,918	$	1,186,918	$	—	$	—
Trading securities	7,212		7,212		—		7,212		—
Investment securities available for sale	6,778,670		6,778,670		19,855		6,756,710		2,105
Mortgage loans held for sale	115,173		115,173		—		115,173		—
Private equity investments	19,389		19,389		15,502		—		3,887
Mutual funds and mutual funds held in rabbi trusts	32,348		32,348		32,348		—		—
Loans, net	36,881,048		36,931,256		—		—		36,931,256
GGL/SBA loans servicing asset	3,040		3,040		—		—		3,040
Derivative assets	140,016		140,016		—		140,016		—
Financial liabilities
Non-interest-bearing deposits	$	9,439,485	$	9,439,485	$	—	$	9,439,485	$	—
Non-time interest-bearing deposits	19,891,711		19,891,711		—		19,891,711		—
Time deposits	9,074,308		9,112,459		—		9,112,459		—
Total deposits	$	38,405,504	$	38,443,655	$	—	$	38,443,655	$	—
Federal funds purchased and securities sold under repurchase agreements	165,690		165,690		165,690		—		—
Trading liability for short positions	1,560		1,560		1,560		—		—
Other short-term borrowings	1,752,000		1,752,000		—		1,752,000		—
Long-term debt	2,153,897		2,185,717		—		2,185,717		—
Earnout liability	11,016		11,016		—		—		11,016
Derivative liabilities	37,071		37,071		—		34,732		2,339

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Derivative Instruments and Hedging Activities

9 Months Ended

Sep. 30, 2020

Summary of Derivative Instruments [Abstract]

Derivative Instruments and Hedging Activities

Note 8 - Derivative Instruments and Hedging Activities

Synovus utilizes derivative instruments to manage its exposure to various types of interest rate risk, exposures related to liquidity and credit risk, and to facilitate customer transactions. The primary types of derivative instruments utilized by Synovus consist of interest rate swaps, interest rate lock commitments made to prospective mortgage loan customers, commitments to sell fixed-rate mortgage loans, and foreign currency exchange forwards. Interest rate lock commitments represent derivative instruments since it is intended that such loans will be sold. Synovus is party to master netting arrangements with its dealer counterparties; however, Synovus does not offset assets and liabilities under these arrangements for financial statement presentation purposes. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for additional information regarding accounting policies for derivatives.

Hedging Derivatives

Cash flow hedge relationships mitigate exposure to the variability of future cash flows or other forecasted transactions. Synovus has entered into interest rate swap contracts to manage overall cash flow changes related to interest rate risk exposure on index-based variable rate commercial loans. The contracts effectively modify Synovus' exposure to interest rate risk by utilizing receive fixed/pay index-based variable rate interest rate swaps.

For cash flow hedges, the effective portion of the gain or loss related to the derivative instrument is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or when the hedge is terminated and included in the same income statement line item as the earnings effect of the hedged item.

Synovus recorded an unrealized gain of $9.8 million, or $7.3 million, after-tax, in OCI, during the first quarter of 2020, related to terminated cash flow hedges, which is being recognized into earnings in conjunction with the effective terms of the original swaps through the third quarter of 2025. Synovus recognized pre-tax income of $1.0 million and $1.4 million, respectively, during the three and nine months ended September 30, 2020 related to the amortization of terminated cash flow hedges.

As of September 30, 2020, Synovus expects to reclassify approximately $40 million of pre-tax gains from AOCI into interest income on cash flow hedges over the next twelve months. Included in this amount is approximately $5 million in pre-tax gains related to the terminated cash flow hedges. As of September 30, 2020, the maximum length of time over which Synovus is hedging its exposure to the variability in future cash flows is through the first quarter of 2024.

For derivative instruments that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

Counterparty Credit Risk and Collateral

Entering into derivative contracts potentially exposes Synovus to the risk of counterparties’ failure to fulfill their legal obligations, including, but not limited to, potential amounts due or payable under each derivative contract. Notional principal amounts are often used to express the volume of these transactions, but the amounts potentially subject to credit risk are much smaller. Synovus assesses the credit risk of its dealer counterparties by regularly monitoring publicly available credit rating information, evaluating other market indicators, and periodically reviewing detailed financials. Dealer collateral requirements are determined via risk-based policies and procedures and in accordance with existing agreements. Synovus seeks to minimize dealer credit risk by dealing with highly rated counterparties and by obtaining collateral for exposures above certain predetermined limits. Management closely monitors credit conditions within the customer swap portfolio, which management deems to be of higher risk than dealer counterparties. Collateral is secured at origination and credit related fair value adjustments are recorded against the asset value of the derivative as deemed necessary based upon an analysis, which includes consideration of the current asset value of the swap, customer risk rating, collateral value, and customer standing with regards to its swap contractual obligations and other related matters. Such asset values fluctuate based upon changes in interest rates regardless of changes in notional amounts and changes in customer specific risk.

Collateral Requirements

Pursuant to the Dodd-Frank Act, certain derivative transactions have collateral requirements, both at the inception of the trade and as the value of each derivative position changes. As of September 30, 2020 and December 31, 2019, collateral totaling $159.8 million and $84.6 million, respectively, was pledged to the derivative counterparties to comply with collateral requirements. For derivatives cleared through central clearing houses, the variation margin payments made are legally characterized as settlements of the derivatives. As a result, these variation margin payments are netted against the fair value of the respective derivative contracts in the consolidated balance sheets and related disclosures. At September 30, 2020 and December 31, 2019, Synovus had a variation margin of $187.0 million and $113.7 million respectively, each reducing the derivative liability.

The following table reflects the notional amount and fair value of derivative instruments included on the consolidated balance sheets. Beginning on October 19, 2020, CME Group Inc. transitioned price alignment and discounting for swap futures from the daily EFFR to the SOFR. This change will not have a material impact on Synovus' financial statements.

	September 30, 2020						December 31, 2019
			Fair Value						Fair Value
(in thousands)	Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)		Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)
Derivatives in cash flow hedging relationships:
Interest rate contracts	$	2,750,000	$	90,116	$	—	$	2,000,000	$	54	$	8,624
Total derivatives designated as hedging instruments			$	90,116	$	—			$	54	$	8,624
Derivatives not designated as hedging instruments:
Interest rate contracts(3)	$	8,761,038	$	362,700	$	176,338	$	7,258,159	$	138,672	$	25,849
Mortgage derivatives - interest rate lock commitments	451,953		10,212		—		70,481		1,290		—
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	492,500		—		1,793		107,000		—		168
Other contracts(4)	186,074		—		377		145,764		—		91
Visa derivative	—		—		1,460		—		—		2,339
Total derivatives not designated as hedging instruments			$	372,912	$	179,968			$	139,962	$	28,447

(1)    Derivative assets are recorded in other assets on the consolidated balance sheets.

(2)    Derivative liabilities are recorded in other liabilities on the consolidated balance sheets.

(3)    Includes interest rate contracts for customer swaps and offsetting positions, net of variation margin payments.

(4)    Includes risk participation agreements sold. Additionally, the notional amount of risk participation agreements purchased was $2.7 million and $3.0 million at September 30, 2020 and December 31, 2019, respectively.

Synovus also provides foreign currency exchange services, primarily forward contracts, with counterparties to allow commercial customers to mitigate exchange rate risk. Synovus covers its risk by entering into an offsetting foreign currency exchange forward contract. The notional amount of foreign currency exchange forwards was $25.1 million and $32.9 million at September 30, 2020 and December 31, 2019, respectively. The fair value of foreign currency exchange forwards was negligible at September 30, 2020 and December 31, 2019 due to the very short duration of these contracts.

The following table presents the effect of hedging derivative instruments on the consolidated statements of income and the total amounts for the respective line item affected for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Total amounts presented in the consolidated statements of income in interest income on loans	$	8,509	$	—	$	13,595	$	—
Gain/loss on cash flow hedging relationships:(1)
Interest rate swaps:
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans	1,031		—		1,421		—
Pre-tax income recognized on cash flow hedges	$	1,031	$	—	$	1,421	$	—

(1)    See "Part I - Item 1. Financial Statements and Supplementary Data - Note 6 - Shareholders' Equity and Other Comprehensive Income (Loss) in this Report for additional information.

The pre-tax effect of changes in fair value from derivative instruments not designated as hedging instruments on the consolidated statements of income for the three and nine months ended September 30, 2020 and 2019 is presented below.

		Gain (Loss) Recognized in Consolidated Statements of Income
		Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	Location in Consolidated Statements of Income	2020		2019		2020		2019
Derivatives not designated as hedging instruments:
Interest rate contracts(1)	Capital markets income	$	176	$	549	$	225	$	640
Other contracts(2)	Capital markets income	47		(144)		(286)		(144)
Mortgage derivatives - interest rate lock commitments	Mortgage banking income	2,532		22		8,922		970
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	Mortgage banking income	(396)		642		(1,624)		413
Visa derivative	Other non-interest expense	—		(2,500)		—		(2,500)
Total derivatives not designated as hedging instruments		$	2,359	$	(1,431)	$	7,237	$	(621)

(1)    Additionally, losses related to termination of customer swaps of $2.5 million were recorded in other non-interest expense during the first quarter of 2020.

(2)    Includes risk participation agreements sold.

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Net Income Per Common Share

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Net Income Per Common Share

Note 9 - Net Income Per Common Share

The following table displays a reconciliation of the information used in calculating basic and diluted earnings per common share for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share data)	2020		2019		2020		2019
Basic Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Net income per common share, basic	$	0.57	$	0.84	$	1.35	$	2.53
Diluted Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Effect of dilutive outstanding equity-based awards, warrants, and earnout payments	662		1,805		733		1,776
Weighted average diluted common shares	147,976		154,043		148,037		158,595
Net income per common share, diluted	$	0.56	$	0.83	$	1.34	$	2.51

Basic net income per common share is computed by dividing net income available to common shareholders by the average common shares outstanding for the period. Diluted net income per common share reflects the dilution that could occur if securities or other contracts to issue common stock were exercised or converted. The dilutive effect of outstanding stock options, restricted share units, and warrants is reflected in diluted net income per common share, unless the impact is anti-dilutive, by application of the treasury stock method.

As of September 30, 2020 and 2019, there were 758 thousand and 40 thousand, respectively, potentially dilutive shares related to stock options to purchase shares of common stock that were outstanding during these quarters. Potentially dilutive shares are not included in the computation of diluted net income per common share because the effect would be anti-dilutive.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 10 - Commitments and Contingencies

In the normal course of business, Synovus enters into commitments to extend credit such as loan commitments and letters of credit to meet the financing needs of its customers. Synovus uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed

expiration dates or other termination clauses and may require payment of a fee. Synovus also has commitments to fund certain low-income housing investments, solar energy, and CRA investments.

The contractual amount of these financial instruments represents Synovus' maximum credit risk should the counterparty draw upon the commitment, and should the counterparty subsequently fail to perform according to the terms of the contract. Since many of the commitments are expected to expire without being drawn upon, total commitment amounts do not necessarily represent future cash requirements. Additionally, certain commitments (primarily consumer) can generally be canceled by providing notice to the borrower.

The ACL associated with unfunded commitments and letters of credit is recorded within other liabilities on the consolidated balance sheets. Upon adoption of CECL on January 1, 2020, Synovus recorded $27.4 million in unfunded commitment reserves due to the consideration under CECL of expected utilization over the life of such commitments. At September 30, 2020, the ACL for unfunded commitments was $60.8 million, including the impact of CECL and COVID-19, compared to a reserve of $1.4 million at December 31, 2019. Additionally, an immaterial amount of unearned fees relating to letters of credit are recorded within other liabilities on the consolidated balance sheets. See "Part I-Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report for more information on Synovus' adoption of CECL.

Synovus invests in certain LIHTC partnerships which are engaged in the development and operation of affordable multi-family housing pursuant to Section 42 of the Code. Additionally, Synovus invests in certain solar energy tax credit partnerships pursuant to Section 48 of the Code. Synovus typically acts as a limited partner in these investments and does not exert control over the operating or financial policies of the partnerships and as such, is not considered the primary beneficiary of the partnership. For certain of its LIHTC investments, Synovus provides financing during the construction and development of the properties and is at risk for the funded amount of its equity investment plus the outstanding amount of any construction loans in excess of the fair value of the collateral for the loan, but has no obligation to fund the operations or working capital of the partnerships and is not exposed to losses beyond Synovus’ investment. Synovus receives tax credits related to these investments which are subject to recapture by taxing authorities based on compliance provisions required to be met at the project level.

Synovus also invests in certain other CRA partnerships including SBIC programs. The SBIC is a program initiated by the SBA in 1958 to assist in the funding of small business loans.

(in thousands)	September 30, 2020		December 31, 2019
Letters of credit*	$	177,000	$	202,614
Commitments to fund commercial and industrial loans	7,990,189		7,018,152
Commitments to fund commercial real estate, construction, and land development loans	2,891,857		3,032,252
Commitments under home equity lines of credit	1,588,844		1,501,452
Unused credit card lines	984,636		877,929
Other loan commitments	458,509		485,371
Total letters of credit and unfunded lending commitments	$	14,091,035	$	13,117,770

Investments in low income housing, solar energy tax credit and other CRA partnerships:
Carrying amount included in other assets	$	214,615	$	146,612
Amount of future funding commitments included in carrying amount	124,866		78,266
Permanent and short-term construction loans and letter of credit commitments	52,686		2,124
Funded portion of permanent and short-term loans and letters of credit	5,194		3,196

*    Represent the contractual amount net of risk participations purchased of approximately $31 million and $33 million at September 30, 2020 and December 31, 2019, respectively.

Merchant Services

In accordance with credit and debit card association rules, Synovus provides merchant processing services for customers. Prior to the second quarter of 2020, these services were provided through a referral relationship which was replaced during the second quarter of 2020 with a new contractual arrangement under which certain sales and processing support are provided through an outside merchant services provider with Synovus owning the merchant contract relationship. In addition, Synovus sponsors various third-party MPS businesses that process credit and debit card transactions on behalf of merchants. In connection with these services, a liability may arise in the event of a billing dispute between the merchant and a cardholder that is ultimately resolved in the cardholder's favor. If the merchant defaults on its obligations, the cardholder, through its issuing bank, generally has until six months after the date of the transaction to present a chargeback to the MPS, which is primarily liable for any losses on covered transactions. However, if a sponsored MPS fails to meet its obligations, then Synovus, as the sponsor, could be held liable for the disputed amount. Synovus seeks to mitigate this risk through its contractual arrangements

with the MPS and the merchants by withholding future settlements, retaining cash reserve accounts and/or obtaining other security. For the three and nine months ended September 30, 2020, Synovus and the sponsored entities processed and settled $20.23 billion and $55.47 billion of transactions, respectively. For the three and nine months ended September 30, 2019, the sponsored entities processed and settled $19.13 billion and $55.72 billion of transactions, respectively.

Synovus covered chargebacks related to a particular sponsored MPS during 2019 and 2018 where the MPS’s cash reserve account was unavailable to support the chargebacks. As of September 30, 2020, the remaining amount due to Synovus from the MPS is $20.6 million, compared to $21.4 million at December 31, 2019. During the first quarter of 2020, Synovus recorded a $2.7 million reserve in other operating expenses associated with the chargebacks, reflecting the amount that Synovus does not expect to collect. The net balance of $17.9 million at September 30, 2020 is included in other assets and classified in NPAs. While Synovus has contractual protections to mitigate against loss, repayment of the amounts owed to Synovus will depend in large part upon the continued financial viability and/or valuation of the MPS and the availability of any cash reserve accounts.

Legal Proceedings

Synovus and its subsidiaries are subject to various legal proceedings, claims and disputes that arise in the ordinary course of its business. Additionally, in the ordinary course of business, Synovus and its subsidiaries are subject to regulatory examinations, information gathering requests, inquiries and investigations. Synovus, like many other financial institutions, has been the target of legal actions and other proceedings asserting claims for damages and related relief for losses. These actions include mortgage loan and other loan put-back claims, claims and counterclaims asserted by individual borrowers related to their loans, allegations of violations of state and federal laws and regulations relating to banking practices, and allegations related to Synovus' participation in government stimulus programs, including putative class action matters. In addition to actual damages, if Synovus does not prevail in such asserted legal actions, credit-related litigation could result in additional write-downs or charge-offs of assets, which could adversely affect Synovus' results of operations during the period in which the write-down or charge-off were to occur.

Synovus carefully examines and considers each legal matter, and, in those situations where Synovus determines that a particular legal matter presents loss contingencies that are both probable and reasonably estimable, Synovus establishes an appropriate reserve. An event is considered to be probable if the future event is likely to occur. While the final outcome of any legal proceeding is inherently uncertain, based on the information currently available, advice of counsel and available insurance coverage, management believes that the amounts accrued with respect to legal matters as of September 30, 2020 are adequate. The actual costs of resolving legal claims may be higher or lower than the amounts accrued.

In addition, where Synovus determines that there is a reasonable possibility of a loss in respect of legal matters, Synovus considers whether it is able to estimate the total reasonably possible loss or range of loss. An event is “reasonably possible” if “the chance of the future event or events occurring is more than remote but less than likely.” An event is “remote” if “the chance of the future event or events occurring is more than slight but less than reasonably possible." In many situations, Synovus may be unable to estimate reasonably possible losses due to the preliminary nature of the legal matters, as well as a variety of other factors and uncertainties. For those legal matters where Synovus is able to estimate a range of reasonably possible losses, management currently estimates the aggregate range from our outstanding litigation is from zero to $5 million in excess of the amounts accrued, if any, related to those matters. This estimated aggregate range is based upon information currently available to Synovus, and the actual losses could prove to be lower or higher. As there are further developments in these legal matters, Synovus will reassess these matters, and the estimated range of reasonably possible losses may change as a result of this assessment. Based on Synovus' current knowledge and advice of counsel, management presently does not believe that the liabilities arising from these legal matters will have a material adverse effect on Synovus' consolidated financial condition, results of operations or cash flows. However, it is possible that the ultimate resolution of these legal matters could have a material adverse effect on Synovus' results of operations or financial condition for any particular period.

Synovus intends to vigorously pursue all available defenses to these legal matters, but will also consider other alternatives, including settlement, in situations where there is an opportunity to resolve such legal matters on terms that Synovus considers to be favorable, including in light of the continued expense and distraction of defending such legal matters. Synovus maintains insurance coverage, which may be available to cover legal fees, or potential losses that might be incurred in connection with such legal matters. The above-noted estimated range of reasonably possible losses does not take into consideration insurance coverage which may or may not be available for the respective legal matters.

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Segment Reporting

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Segment Reporting

Note 11 - Segment Reporting

Synovus' business segments are based on the products and services provided or the customers served, and as of the fourth quarter of 2019, reflect the manner in which financial information is evaluated by the chief operating decision makers. Prior to the fourth quarter of 2019, Synovus identified its overall banking operations as its only reportable segment. Synovus has three major reportable business segments: Community Banking, Wholesale Banking, and Financial Management Services (FMS),

with functional activities such as treasury, technology, operations, marketing, finance, enterprise risk, legal, human resources, corporate communications, executive management, among others, included in Treasury and Corporate Other.

Business segment results are determined based upon Synovus' management reporting system, which assigns balance sheet and income statement items to each of the business segments. Certain assets, liabilities, revenues, and expenses not allocated or attributable to a particular business segment are included in Treasury and Corporate Other. Synovus's third-party lending partnership consumer loans and held for sale loans as well as PPP C&I loans are included in Treasury and Corporate Other. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to GAAP. As a result, reported segment results are not necessarily comparable with similar information reported by other financial institutions.

The Community Banking business segment serves customers using a relationship-based approach through its branch, ATM, commercial, and private wealth network in addition to mobile, Internet, and telephone banking. This segment primarily provides individual, small business, and corporate customers with an array of comprehensive banking products and services including commercial, home equity, and other consumer loans, credit and debit cards, and deposit accounts.

The Wholesale Banking business segment serves primarily larger corporate customers by providing commercial lending and deposit services through specialty teams including middle market, CRE, senior housing, national accounts, premium finance, structured lending, healthcare, and asset-based lending.

The FMS business segment serves its customers by providing mortgage and trust services and also specializing in professional portfolio management for fixed-income securities, investment banking, the execution of securities transactions as a broker/dealer, asset management, and financial planning services, as well as the provision of individual investment advice on equity and other securities.

Synovus uses a centralized FTP methodology to attribute appropriate net interest income to the business segments. The intent of the FTP methodology is to transfer interest rate risk from the business segments by providing matched duration funding of assets and liabilities. The result is to centralize the financial impact, management, and reporting of interest rate risk in the Treasury and Corporate Other function where it can be centrally monitored and managed. Treasury and Corporate Other charges (credits) an internal cost of funds for assets held in (or pays for funding provided by) each business segment. The FTP rate is based on prevailing market interest rates for comparable duration assets (or liabilities).

The following tables present certain financial information for each reportable business segment for the three and nine months ended September 30, 2020. During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing all of the goodwill allocated to the Consumer Mortgage reporting unit (which is included in the FMS reportable segment) driven by significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. To provide comparable prior year information, Synovus has included proforma business segment financial information for the three and nine months ended September 30, 2019 utilizing various allocation methodologies based on balance sheet and income statement items assigned to each business segment. The application and development of management reporting methodologies is a dynamic process and is subject to periodic enhancements. As these enhancements are made, financial results presented by each reportable business segment may be periodically revised.

	Three Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	220,426	$	139,080	$	20,986	$	(3,502)	$	376,990
Non-interest revenue	29,982		5,496		65,820		13,113		114,411
Non-interest expense	68,571		19,530		92,931		135,623		316,655
Pre-provision net revenue	$	181,837	$	125,046	$	(6,125)	$	(126,012)	$	174,746

	Three Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	203,197	$	133,773	$	26,582	$	38,545	$	402,097
Non-interest revenue	35,145		7,092		40,966		5,557		88,760
Non-interest expense	76,414		25,413		40,413		134,070		276,310
Pre-provision net revenue	$	161,928	$	115,452	$	27,135	$	(89,968)	$	214,547

	Nine Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	638,311	$	407,265	$	56,600	$	24,640	$	1,126,816
Non-interest revenue	89,413		20,406		166,067		115,866		391,752
Non-interest expense	219,859		63,176		184,501		409,540		877,076
Pre-provision net revenue	$	507,865	$	364,495	$	38,166	$	(269,034)	$	641,492

	Nine Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	625,450	$	388,241	$	86,425	$	96,419	$	1,196,535
Non-interest revenue	101,971		21,787		111,873		22,314		257,945
Non-interest expense	225,141		55,141		111,139		441,426		832,847
Pre-provision net revenue	$	502,280	$	354,887	$	87,159	$	(322,693)	$	621,633

	September 30, 2020
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	11,489,106	$	19,204,961	$	5,412,944	$	3,442,836	$	39,549,847
Total deposits	$	28,870,928	$	10,339,568	$	414,243	$	5,041,165	$	44,665,904
Total full-time equivalent employees	2,200		285		843		1,904		5,232
	December 31, 2019
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	12,170,914	$	17,643,509	$	5,285,455	$	2,062,572	$	37,162,450
Total deposits	$	25,610,777	$	8,314,184	$	284,716	$	4,195,827	$	38,405,504
Total full-time equivalent employees	2,301		213		839		1,911		5,264

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Subsequent Events

9 Months Ended

Sep. 30, 2020

Subsequent Events [Abstract]

Subsequent Events

Note 12 - Subsequent Events

Issuance of Subordinated Debt by Synovus Bank

On October 29, 2020, Synovus Bank issued $200.0 million aggregate principal amount of 4.000% Fixed-to-Fixed Rate Subordinated Bank Notes due October 29, 2030 (the "Maturity Date"). Subject to any redemption prior to the Maturity Date, the Notes will bear interest from and including the original issue date to, but excluding, October 29, 2025 (the ‘‘Reset Date’’), at a fixed rate of 4.000% per annum and from and including the Reset Date to, but excluding the Maturity Date, the Notes will

bear interest at a fixed rate that will be the Five-year U.S. Treasury Rate (as defined) as of the Reset Determination Date, plus 3.625% per annum. Interest on the Notes will be payable semi-annually in arrears on April 29 and October 29 of each year, commencing on April 29, 2021. Synovus Bank may redeem the Notes, in whole but not in part, (i) at any time within 90 days following a Regulatory Capital Treatment Event or Tax Event (in each case as defined) or Synovus Bank becoming required to be registered as an investment company pursuant to the Investment Company Act of 1940, as amended, or (ii) on the Reset Date, in each case at a redemption price equal to 100% of the principal amount of the Notes, plus accrued and unpaid interest, if any, to but excluding the redemption date. The Notes are not redeemable at the option or election of holders.

Voluntary Early Retirement Program

Synovus incurred approximately $14 million in one-time termination benefit restructuring charges in October 2020 associated with a voluntary early retirement program offered to employees as part of the Synovus Forward efficiency initiativ

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Basis of Presentation and Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Reclassifications

Prior periods' consolidated financial statements are reclassified whenever necessary to conform to the current periods' presentation.

Use of Estimates in the Preparation of Financial Statements

In preparing the consolidated financial statements in accordance with GAAP, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the respective consolidated balance sheets and the reported amounts of revenues and expenses for the periods presented. Actual results could differ significantly from those estimates.

Material estimates that are particularly susceptible to change relate to the determination of the ACL; estimates of fair value, including goodwill impairment assessment; income taxes; and contingent liabilities.

Investment Securities Available for Sale

Investment securities available for sale are carried at fair value with unrealized gains and losses, net of the related tax effect, excluded from earnings and reported as a separate component of shareholders' equity within accumulated other comprehensive income (loss) until realized.

For investment securities available for sale in an unrealized loss position, if Synovus has an intention to sell the security, or it is more likely than not that the security will be required to be sold prior to recovery, the security is written down to its fair value. The write down is charged against the ACL with any additional impairment recorded in earnings. If the aforementioned criteria is not met, Synovus performs a quarterly assessment of its available for sale debt securities to determine if the decline in fair value of a security below its amortized cost is related to credit losses or other factors. Management considers the extent to which fair value is less than amortized cost, the issuer of the security, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. In assessing whether credit related impairment exists, the present value of cash flows expected to be collected from the security is compared to the security's amortized cost. If the present value of cash flows expected to be collected is less than the security's amortized cost basis, the difference is attributable to credit losses. For such differences, Synovus records an ACL with an offset to provision for credit losses expense. Synovus limits the ACL recorded to the amount the security's fair value is less than the amortized cost basis. Impairment losses related to other factors are recognized in other comprehensive income (loss).

Accrued interest on available for sale debt securities is excluded from the ACL determination and is recognized within other assets on the consolidated balance sheets. Available-for-sale debt securities are placed on non-accrual status when we no longer expect to receive all contractual amounts due, which is generally at 90 days past due. Accrued interest receivable is reversed against interest income when a security is placed on non-accrual status. Accordingly, we do not recognize an allowance for credit loss against accrued interest receivable.

Loans and Interest Income

Loans the Company has the intent and ability to hold for the foreseeable future are reported at principal amounts outstanding less amounts charged off, net of deferred fees and costs, and purchase premiums/discounts. Interest income, net deferred fees, and purchase premium/discount amortization/accretion on loans, are recognized on a level yield basis.

Allowance for Credit Losses for Loans Held for Investment (ALL)

The allowance for credit losses on loans held for investment are included in the ALL and represent management's estimate of credit losses expected over the life of the loans included in Synovus' existing loans held for investment portfolio. Changes to the allowance are recorded through a provision for credit losses and reduced by loans charged-off, net of recoveries. Determining the appropriateness of the allowance is complex and requires judgment by management about the effect of matters that are inherently uncertain.

Accrued but uncollected interest is recorded in other assets on the consolidated balance sheets. In general, the Company does not record an ACL for accrued interest receivables as allowable per ASC 326-20-30-5A as Synovus' non-accrual policies result in the timely write-off of accrued but uncollected interest.

Credit loss measurement

Synovus' loan loss estimation process includes procedures to appropriately consider the unique characteristics of its loan portfolio segments (C&I, CRE and consumer). These segments are further disaggregated into loan classes, the level at which credit quality is assessed and monitored (as described in the subsequent sections).

The ALL is measured on a collective (pool) basis when similar risk characteristics exist. Loans are grouped based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings. Credit loss assumptions are primarily estimated using a DCF model applied to the aforementioned loan groupings. This model calculates an expected life-of-loan loss percentage for each loan category by considering the forecasted PD, which is the probability that a borrower will default, adjusted for relevant forecasted macroeconomic factors, and LGD, which is the estimate of the amount of net loss in the event of default.

Expected credit losses are estimated over the contractual term of the loan, adjusted for expected prepayments and curtailments when appropriate. Management's determination of the contract term excludes expected extensions, renewals, and

modifications unless either of the following applies: there is a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower, or an extension or renewal option is included in the contract at the reporting date that is not unconditionally cancellable by Synovus.

To the extent the lives of the loans in the portfolio extend beyond the period for which a reasonable and supportable forecast can be made (which is one year for Synovus), the Company reverts, on a straight-line basis back to the historical rates over a one year period.

Life-of-loan loss percentages may also be adjusted, as necessary, for certain quantitative and qualitative factors that in management's judgment are necessary to reflect losses expected in the portfolio. These adjustments address inherent limitations in the quantitative model including uncertainty and limitations, among others.

The above reflects the ALL estimation process for most commercial and consumer sub-pools. In some cases, Synovus may apply other acceptable loss rate models to smaller subpools.

Loans that do not share risk characteristics are individually evaluated on a loan by loan basis with specific reserves, if any, recorded as appropriate. Specific reserves are determined based on two methods: discounted cash flow based upon the loan's contractual effective interest rate or at the fair value of the collateral, less costs to sell if the loan is collateral-dependent.

For individually evaluated loans, under the DCF method, resulting expected credit losses are recorded as a specific reserve with a charge-off for any portion of the expected credit loss that is determined not to be recoverable. The reserve is reassessed each quarter and adjusted as appropriate based on changes in estimated cash flows. Additionally, where guarantors are determined to be a source of repayment, an assessment of the guarantee is required. This guarantee assessment would include, but not be limited to, factors such as type and feature of the guarantee, consideration for the guarantor's financial strength and capacity to service the loan in combination with the guarantor's other financial obligations as well as the guarantor's willingness to assist in servicing the loan.

For individually evaluated loans, if the loan is collateral-dependent, then the fair value of the loan's collateral, less estimated selling costs, is compared to the loan's carrying amount to determine impairment. Fair value is estimated using appraisals performed by a certified or licensed appraiser. Management also considers other factors or recent developments, such as changes in absorption rates or market conditions at the time of valuation, selling costs and anticipated sales values, taking into account management's plans for disposition, which could result in adjustments to the fair value estimates indicated in the appraisals. The assumptions used in determining the amount of the impairment are subject to significant judgment. Use of different assumptions, for example, changes in the fair value of the collateral or management's plans for disposition could have a significant impact on the amount of impairment.

Troubled debt restructurings

The ALL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate, and not the rate specified with the restructuring, is used to discount the expected cash flows.

Purchased Loans with Credit Deterioration

Purchased loans are evaluated upon acquisition in order to determine if the loan, or pool of loans, has experienced more-than-insignificant deterioration in credit quality since origination or issuance. In the performance of this evaluation, Synovus considers migration of the credit quality of the loans at origination in comparison to the credit quality at acquisition.

Purchased loans classified as PCD are recognized in accordance with ASC 326-20-30, whereby the amortized cost basis of the PCD asset is ‘grossed-up’ by the initial estimate of credit losses with an offset to the ALL. This acquisition date allowance has no income statement effect. Post-acquisition, any changes in estimates of expected credit losses are recorded through the provision for credit losses. Non-credit discounts or premiums are accreted or amortized, respectively into interest income using the interest method.

Loans formerly accounted for as purchased credit-impaired in accordance with ASC 310-30 were automatically transitioned to PCD classification. The Company did not maintain ASC 310-30 pools. PCD loans were integrated into existing pool structures based upon the nature of the loan type and are further segregated based upon the individual loan risk ratings as noted above.

The accounting treatment for purchased loans classified as non-PCD is the same as loans held for investment as detailed in the above section.

Allowance for Credit Losses on Off-balance-sheet Credit Exposures

Synovus maintains a separate ACL for off-balance-sheet credit exposures, including unfunded loan commitments, unless the associated obligation is unconditionally cancellable by the Company. This allowance is included in other liabilities on the consolidated balance sheets with offsetting expense recognized as a component of the provision for credit losses on the

consolidated statements of income. The reserve for off-balance-sheet credit exposures considers the likelihood that funding will occur and estimates the expected credit losses on resulting commitments expected to be funded over its estimated life using the estimated loss rates on loans held for investment.

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Basis of Presentation and Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table illustrates the impact of ASC 326 adoption:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Assets
Allowance for loan losses:
Commercial and industrial	$	145,782	$	(2,310)	$	143,472
Commercial real estate	67,430		(651)		66,779
Consumer	68,190		85,955		154,145
Total allowance for loan losses	$	281,402	$	82,994	$	364,396
Liabilities
Reserve for unfunded commitments	$	1,375	$	27,440	$	28,815
Allowance for credit losses	$	282,777	$	110,434	$	393,211

The following table illustrates the distribution of the ASC 326 adoption impact to loans and equity:

	As of January 1, 2020
in thousands	Pre-ASC 326 Adoption		Impact of ASC 326 Adoption		As Reported under ASC 326
Loans, net	$	36,881,048	$	(20,767)	$	36,860,281
Retained earnings	1,068,327		(35,721)		1,032,606

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Investment Securities Available for Sale (Tables)

9 Months Ended

Sep. 30, 2020

Investments [Abstract]

Summary of Available-for-Sale Investment Securities

The amortized cost, gross unrealized gains and losses, and estimated fair values of investment securities available for sale at September 30, 2020 and December 31, 2019 are summarized below.

	September 30, 2020
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	153,984		3,056		(426)		156,614
Mortgage-backed securities issued by U.S. Government agencies	1,132,816		2,655		(6,079)		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	4,402,051		138,611		(276)		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	1,331,011		18,495		(4,222)		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	334,463		19,694		—		354,157
State and municipal securities	500		1		—		501
Corporate debt securities and other debt securities	20,186		141		(390)		19,937
Total investment securities available for sale	$	7,395,265	$	182,653	$	(11,393)	$	7,566,525
	December 31, 2019
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	35,499		1,042		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	56,328		560		(72)		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	5,079,396		103,495		(2,076)		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	629,706		7,349		(204)		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	357,291		14,301		—		371,592
State and municipal securities	2,069		6		—		2,075
Asset-backed securities	323,237		4,315		(152)		327,400
Corporate debt securities and other debt securities	144,410		2,317		(2)		146,725
Total investment securities available for sale	$	6,647,791	$	133,385	$	(2,506)	$	6,778,670

Schedule of Gross Unrealized Losses on Investment Securities and Fair Value

Gross unrealized losses on investment securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at September 30, 2020 and December 31, 2019 are presented below.

	September 30, 2020
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
U.S. Government agency securities	$	48,921	$	(426)	$	—	$	—	$	48,921	$	(426)
Mortgage-backed securities issued by U.S. Government agencies	800,908		(6,079)		—		—		800,908		(6,079)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	180,899		(276)		—		—		180,899		(276)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	609,208		(4,222)		—		—		609,208		(4,222)
Corporate debt securities and other debt securities	11,115		(390)		—		—		11,115		(390)
Total	$	1,651,051	$	(11,393)	$	—	$	—	$	1,651,051	$	(11,393)
	December 31, 2019
	Less than 12 Months				12 Months of Longer				Total
(in thousands)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Mortgage-backed securities issued by U.S. Government agencies	$	19,543	$	(70)	$	355	$	(2)	$	19,898	$	(72)
Mortgage-backed securities issued by U.S. Government sponsored enterprises	768,040		(2,076)		—		—		768,040		(2,076)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	57,670		(204)		—		—		57,670		(204)
Asset-backed securities	37,156		(116)		4,954		(36)		42,110		(152)
Corporate debt securities and other debt securities	9,505		(2)		—		—		9,505		(2)
Total	$	891,914	$	(2,468)	$	5,309	$	(38)	$	897,223	$	(2,506)

Amortized Cost and Estimated Fair Value by Contractual Maturity of Investment Securities Available-for-Sale

For purposes of the maturity table, MBSs and CMOs, which are not due at a single maturity date, have been classified based on the final contractual maturity date.

	Distribution of Maturities at September 30, 2020
(in thousands)	Within One Year		1 to 5 Years		5 to 10 Years		More Than 10 Years		Total
Amortized Cost
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	430		26,432		127,122		—		153,984
Mortgage-backed securities issued by U.S. Government agencies	—		1,585		311		1,130,920		1,132,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		310		73,420		4,328,321		4,402,051
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		248		1,330,763		1,331,011
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		109,731		112,089		112,643		334,463
State and municipal securities	—		—		—		500		500
Corporate debt securities and other debt securities	—		9,505		8,681		2,000		20,186
Total amortized cost	$	20,684	$	147,563	$	321,871	$	6,905,147	$	7,395,265
Fair Value
U.S. Treasury securities	$	20,254	$	—	$	—	$	—	$	20,254
U.S. Government agency securities	438		26,243		129,933		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,641		324		1,127,427		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		319		76,148		4,463,919		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		—		259		1,345,025		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		116,705		118,468		118,984		354,157
State and municipal securities	—		—		—		501		501
Corporate debt securities and other debt securities	—		9,315		8,822		1,800		19,937
Total fair value	$	20,692	$	154,223	$	333,954	$	7,057,656	$	7,566,525

Schedule of Sales Activities of Available-for-Sale Securities

Proceeds from sales, gross gains, and gross losses on sales of securities available for sale for the three and nine months ended September 30, 2020 and 2019 are presented below. The specific identification method is used to reclassify gains and losses out of other comprehensive income at the time of sale.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Proceeds from sales of investment securities available for sale	$	1,249,507	$	709,464	$	3,932,368	$	2,456,137
Gross realized gains on sales	—		140		83,840		9,270
Gross realized losses on sales(1)	(1,550)		(3,871)		(7,246)		(14,772)
Investment securities gains (losses), net	$	(1,550)	$	(3,731)	$	76,594	$	(5,502)

(1)    Losses recognized during 2020 primarily relate to the sale of Synovus' remaining portfolio of asset-backed securities during the second quarter of 2020. Additionally, losses include an $802 thousand third quarter 2020 settlement adjustment to the gain recognized on second quarter 2020 securities sales.

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Loans and Allowance for Loan Losses (Tables)

9 Months Ended

Sep. 30, 2020

Loans and Allowance for Loan Losses [Abstract]

Schedule of Current, Accruing Past Due, and Non-accrual Loans

The following tables provide a summary of current, accruing past due, and non-accrual loans by portfolio class as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual with an ALL		Non-accrual without an ALL		Total
Commercial, financial and agricultural	$	13,009,877	$	13,967	$	829	$	14,796	$	67,415	$	27,950	$	13,120,038
Owner-occupied	6,869,346		4,131		375		4,506		10,623		9,638		6,894,113
Total commercial and industrial	19,879,223		18,098		1,204		19,302		78,038		37,588		20,014,151
Investment properties	9,628,029		5,620		538		6,158		28,260		—		9,662,447
1-4 family properties	649,225		2,092		350		2,442		2,135		1,236		655,038
Land and development	645,148		583		268		851		2,126		265		648,390
Total commercial real estate	10,922,402		8,295		1,156		9,451		32,521		1,501		10,965,875
Consumer mortgages	5,643,745		6,475		872		7,347		7,433		—		5,658,525
Home equity lines	1,601,705		3,176		29		3,205		10,297		—		1,615,207
Credit cards	259,262		1,894		3,673		5,567		—		—		264,829
Other consumer loans	1,116,334		11,866		578		12,444		1,459		—		1,130,237
Total consumer	8,621,046		23,411		5,152		28,563		19,189		—		8,668,798
Total loans	$	39,422,671	$	49,804	$	7,512	$	57,316	$	129,748	$	39,089	$	39,648,824	(1)

	December 31, 2019
(in thousands)	Current		Accruing 30-89 Days Past Due		Accruing 90 Days or Greater Past Due		Total Accruing Past Due		Non-accrual		ASC 310-30 Loans(2)		Total
Commercial, financial and agricultural	$	9,124,285	$	38,916	$	1,206	$	40,122	$	56,017	$	1,019,135	$	10,239,559
Owner-occupied	5,691,095		5,164		576		5,740		9,780		823,196		6,529,811
Total commercial and industrial	14,815,380		44,080		1,782		45,862		65,797		1,842,331		16,769,370
Investment properties	7,264,794		1,344		—		1,344		1,581		1,736,608		9,004,327
1-4 family properties	733,984		2,073		304		2,377		2,253		41,401		780,015
Land and development	629,363		808		—		808		1,110		78,161		709,442
Total commercial real estate	8,628,141		4,225		304		4,529		4,944		1,856,170		10,493,784
Consumer mortgages	3,681,553		4,223		730		4,953		11,369		1,848,493		5,546,368
Home equity lines	1,691,759		7,038		171		7,209		12,034		2,155		1,713,157
Credit cards	263,065		3,076		2,700		5,776		—		—		268,841
Other consumer loans	2,363,101		18,688		616		19,304		5,704		8,185		2,396,294
Total consumer	7,999,478		33,025		4,217		37,242		29,107		1,858,833		9,924,660
Total loans	$	31,442,999	$	81,330	$	6,303	$	87,633	$	99,848	$	5,557,334	$	37,187,814	(3)

(1)    Total before net deferred fees and costs of $99.0 million.

(2)    Represents loans (at fair value) acquired from FCB accounted for under ASC 310-30, net of discount of $90.3 million and payments since Acquisition Date and also include $1.8 million in non-accrual loans, $9.6 million in accruing 90 days or greater past due loans, and $26.5 million in 30-89 days past due loans.

(3)    Total before net deferred fees and costs of $25.4 million.

Loan Portfolio Credit Exposure

The following table summarizes each loan portfolio class by risk grade and origination year as of September 30, 2020 as required under CECL.

	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Commercial, financial and agricultural
Pass	$	4,056,896	$	1,429,402	$	974,892	$	667,989	$	566,178	$	815,006	$	4,049,741	$	60,299	$	12,620,403
Special Mention	49,283		39,929		21,599		33,376		8,404		7,986		63,455		506		224,538
Substandard(1)	27,247		12,646		14,879		36,007		12,373		40,342		102,364		516		246,374
Doubtful(2)	—		3,721		19,778		186		915		91		4,032		—		28,723
Total commercial, financial and agricultural	4,133,426		1,485,698		1,031,148		737,558		587,870		863,425		4,219,592		61,321		13,120,038
Owner-occupied
Pass	953,513		1,189,845		1,212,541		1,032,744		643,841		1,338,513		328,656		—		6,699,653
Special Mention	3,029		19,004		18,746		11,767		3,604		7,278		—		—		63,428
Substandard(1)	1,788		14,686		36,319		29,794		6,521		32,286		—		—		121,394
Doubtful(2)	—		—		9,638		—		—		—		—		—		9,638
Total owner-occupied	958,330		1,223,535		1,277,244		1,074,305		653,966		1,378,077		328,656		—		6,894,113
Total commercial and industrial	5,091,756		2,709,233		2,308,392		1,811,863		1,241,836		2,241,502		4,548,248		61,321		20,014,151
Investment properties
Pass	784,989		2,241,547		2,193,526		1,376,648		606,029		1,404,524		239,503		—		8,846,766
Special Mention	1,222		66,438		147,928		141,036		166,053		129,887		30,206		—		682,770
Substandard(1)	812		2,655		24,965		14,927		821		88,693		38		—		132,911
Total investment properties	787,023		2,310,640		2,366,419		1,532,611		772,903		1,623,104		269,747		—		9,662,447
1-4 family properties
Pass	139,919		125,473		80,610		94,889		49,122		100,984		49,594		—		640,591
Special Mention	419		—		524		111		800		120		—		—		1,974
Substandard(1)	1,514		1,517		3,837		1,038		489		2,560		1,518		—		12,473
Total 1-4 family properties	141,852		126,990		84,971		96,038		50,411		103,664		51,112		—		655,038

	September 30, 2020
	Term Loans Amortized Cost Basis by Origination Year												Revolving Loans
(in thousands)	2020		2019		2018		2017		2016		Prior		Amortized Cost Basis		Converted to Term Loans		Total
Land and development
Pass	$	56,935	$	204,012	$	91,630	$	106,490	$	12,564	$	90,474	$	58,092	$	—	$	620,197
Special Mention	—		2,172		4,277		5,784		—		1,828		3,550		—		17,611
Substandard(1)	1,627		1,104		4,675		1,085		527		1,564		—		—		10,582
Total land and development	58,562		207,288		100,582		113,359		13,091		93,866		61,642		—		648,390
Total commercial real estate	987,437		2,644,918		2,551,972		1,742,008		836,405		1,820,634		382,501		—		10,965,875
Consumer mortgages
Pass	1,579,366		964,882		481,718		764,384		755,595		1,102,091		1,005		—		5,649,041
Substandard(1)	49		197		777		805		2,412		5,170		—		—		9,410
Loss(3)	—		—		—		—		—		74		—		—		74
Total consumer mortgages	1,579,415		965,079		482,495		765,189		758,007		1,107,335		1,005		—		5,658,525
Home equity lines
Pass	—		—		—		—		—		—		1,513,600		86,404		1,600,004
Substandard(1)	—		—		—		—		—		—		8,603		5,173		13,776
Doubtful(2)	—		—		—		—		—		—		—		19		19
Loss(3)	—		—		—		—		—		—		1,243		165		1,408
Total home equity lines	—		—		—		—		—		—		1,523,446		91,761		1,615,207
Credit cards
Pass	—		—		—		—		—		—		261,207		—		261,207
Substandard(1)	—		—		—		—		—		—		828		—		828
Loss(4)	—		—		—		—		—		—		2,794		—		2,794
Total credit cards	—		—		—		—		—		—		264,829		—		264,829
Other consumer loans
Pass	136,944		229,039		142,260		161,717		112,805		76,244		268,840		—		1,127,849
Substandard(1)	—		720		163		474		64		714		253		—		2,388
Total other consumer loans	136,944		229,759		142,423		162,191		112,869		76,958		269,093		—		1,130,237
Total consumer	1,716,359		1,194,838		624,918		927,380		870,876		1,184,293		2,058,373		91,761		8,668,798
Total loans(5)	$	7,795,552	$	6,548,989	$	5,485,282	$	4,481,251	$	2,949,117	$	5,246,429	$	6,989,122	$	153,082	$	39,648,824

(1)    The majority of loans within Substandard risk grade are accruing loans at September 30, 2020.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $99.0 million.

The following table summarizes each loan portfolio class by risk grade as of December 31, 2019.

	December 31, 2019
(in thousands)	Pass		Special Mention		Substandard(1)		Doubtful(2)		Loss(3)			Total
Commercial, financial and agricultural	$	9,927,059	$	128,506	$	182,831	$	1,163	$	—		$	10,239,559
Owner-occupied	6,386,055		58,330		85,426		—		—			6,529,811
Total commercial and industrial	16,313,114		186,836		268,257		1,163		—			16,769,370
Investment properties	8,930,360		16,490		57,477		—		—			9,004,327
1-4 family properties	766,529		3,249		10,237		—		—			780,015
Land and development	681,003		18,643		9,796		—		—			709,442
Total commercial real estate	10,377,892		38,382		77,510		—		—			10,493,784
Consumer mortgages	5,527,746		—		18,376		97		149			5,546,368
Home equity lines	1,697,086		—		14,806		21		1,244			1,713,157
Credit cards	266,146		—		818		—		1,877		(4)	268,841
Other consumer loans	2,390,199		—		6,095		—		—			2,396,294
Total consumer	9,881,177		—		40,095		118		3,270			9,924,660
Total loans(5)	$	36,572,183	$	225,218	$	385,862	$	1,281	$	3,270		$	37,187,814

(1)    The majority of loans within Substandard risk grade are accruing loans at December 31, 2019.

(2)    Loans within Doubtful risk grade are on non-accrual status and generally have an ALL equal to 50% of the loan amount.

(3)    Loans within Loss risk grade are on non-accrual status and have an ALL equal to the full loan amount.

(4)    Represent amounts that were 120 days past due. These credits are downgraded to the Loss category with an ALL equal to the full loan amount and are generally charged off upon reaching 181 days past due in accordance with the FFIEC Retail Credit Classification Policy.

(5)    Total before net deferred fees and costs of $25.4 million.

Financing Receivable, Allowance for Credit Loss

Rollforward of Allowance for Loan Losses

The following tables detail the changes in the ALL by loan segment for the three and nine months ended September 30, 2020 and 2019. Additionally, during the three and nine months ended September 30, 2020, Synovus reversed $6.1 million and $19.4 million, respectively, in previously established reserves for credit losses associated with the transfer to held for sale of $513.2 million and $1.31 billion, respectively, in performing loans primarily related to third-party single-service consumer loans and non-relationship consumer mortgages.

	As Of and For the Three Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	229,915	$	171,526	$	187,207	$	588,648
Charge-offs	(19,367)		(6,878)		(9,101)		(35,346)
Recoveries	3,796		1,225		1,859		6,880
Provision for (reversal of) loan losses	46,256		(22,068)		19,430		43,618
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Three Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	138,004	$	63,463	$	55,909	$	257,376
Charge-offs	(15,425)		(3,275)		(6,026)		(24,726)
Recoveries	2,276		1,490		1,035		4,801
Provision for loan losses	17,156		280		10,126		27,562
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013
	As Of and For the Nine Months Ended September 30, 2020
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance, prior to adoption of ASU 2016-13	$	145,782	$	67,430	$	68,190	$	281,402
Impact from adoption of ASU 2016-13	(2,310)		(651)		85,955		82,994
Charge-offs	(57,497)		(8,585)		(23,917)		(89,999)
Recoveries	8,798		2,160		6,468		17,426
Provision for loan losses	165,827		83,451		62,699		311,977
Ending balance	$	260,600	$	143,805	$	199,395	$	603,800
	As Of and For the Nine Months Ended September 30, 2019
(in thousands)	Commercial & Industrial		Commercial Real Estate		Consumer		Total
Allowance for loan losses:
Beginning balance	$	133,123	$	68,796	$	48,636	$	250,555
Charge-offs	(39,558)		(5,369)		(17,363)		(62,290)
Recoveries	6,087		3,788		3,623		13,498
Provision for (reversal of) loan losses	42,359		(5,257)		26,148		63,250
Ending balance	$	142,011	$	61,958	$	61,044	$	265,013

Troubled Debt Restructurings

Information about Synovus' TDRs is presented in the following tables. Synovus began entering into loan modifications with borrowers in response to the COVID-19 pandemic, which have not been classified as TDRs, and therefore are not included in the discussion below. See "Part I-Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report for more information on Synovus' loan modifications due to COVID-19. The following tables represent, by concession type, the post-modification balance for loans modified or renewed during the three and nine months ended September 30, 2020 and 2019 that were reported as accruing or non-accruing TDRs.

TDRs by Concession Type
	Three Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	42	$	3,335	$	670	$	4,005
Owner-occupied	7	1,753		—		1,753
Total commercial and industrial	49	5,088		670		5,758
Investment properties	2	294		93		387
1-4 family properties	5	74		114		188
Land and development	1	40		—		40
Total commercial real estate	8	408		207		615
Consumer mortgages	3	496		23		519
Home equity lines	17	471		648		1,119
Other consumer loans	3	48		85		133
Total consumer	23	1,015		756		1,771
Total TDRs	80	$	6,511	$	1,633	$	8,144	(2)
	Three Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	27	$	2,577	$	1,917	$	4,494
Owner-occupied	7	2,822		861		3,683
Total commercial and industrial	34	5,399		2,778		8,177
Investment properties	4	385		—		385
1-4 family properties	4	766		—		766
Land and development	1	473		—		473
Total commercial real estate	9	1,624		—		1,624
Consumer mortgages	10	1,008		118		1,126
Home equity lines	25	364		1,635		1,999
Other consumer loans	27	473		1,222		1,695
Total consumer	62	1,845		2,975		4,820
Total TDRs	105	$	8,868	$	5,753	$	14,621	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the three months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the three months ended September 30, 2020.

(3)    No net charge-offs were recorded during the three months ended September 30, 2019.

	Nine Months Ended September 30, 2020
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	118	$	8,562	$	4,681	$	13,243
Owner-occupied	19	3,573		1,530		5,103
Total commercial and industrial	137	12,135		6,211		18,346
Investment properties	6	28,963		93		29,056
1-4 family properties	15	867		1,105		1,972
Land and development	3	581		—		581
Total commercial real estate	24	30,411		1,198		31,609
Consumer mortgages	19	1,568		2,589		4,157
Home equity lines	50	926		2,530		3,456
Other consumer loans	50	145		2,779		2,924
Total consumer	119	2,639		7,898		10,537
Total TDRs	280	$	45,185	$	15,307	$	60,492	(2)
	Nine Months Ended September 30, 2019
(in thousands, except contract data)	Number of Contracts	Below Market Interest Rate		Other Concessions(1)		Total
Commercial, financial and agricultural	61	$	5,703	$	4,404	$	10,107
Owner-occupied	13	4,854		861		5,715
Total commercial and industrial	74	10,557		5,265		15,822
Investment properties	6	1,048		—		1,048
1-4 family properties	14	2,072		—		2,072
Land and development	3	641		—		641
Total commercial real estate	23	3,761		—		3,761
Consumer mortgages	15	1,245		1,332		2,577
Home equity lines	50	2,686		1,740		4,426
Other consumer loans	79	1,167		3,599		4,766
Total consumer	144	5,098		6,671		11,769
Total TDRs	241	$	19,416	$	11,936	$	31,352	(3)

(1)    Other concessions generally include term extensions, interest only payments for a period of time, or principal forgiveness, but there was no principal forgiveness for the nine months ending September 30, 2020 and 2019.

(2)    No net charge-offs were recorded during the nine months ended September 30, 2020.

(3)    No net charge-offs were recorded during the nine months ended September 30, 2019.

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill allocated to each reporting unit at September 30, 2020 and December 31, 2019 is presented as follows (the FMS reportable segment includes two reporting units of Consumer Mortgage and Wealth Management):

(in thousands)	Community Banking Reporting Unit		Wholesale Banking Reporting Unit		Consumer Mortgage Reporting Unit		Wealth Management Reporting Unit		Total
Balance as of December 31, 2019	$	256,323	$	171,636	$	44,877	$	24,431	$	497,267
Goodwill impairment	—		—		(44,877)		—		(44,877)
Balance as of September 30, 2020	$	256,323	$	171,636	$	—	$	24,431	$	452,390

Goodwill is evaluated for impairment on an annual basis or whenever an event occurs or circumstances change to indicate that it is more likely than not that an impairment loss has been incurred (i.e., a triggering event). Synovus conducted a goodwill impairment assessment as of December 31, 2019, following Synovus' reorganization, applying ASC 350-20-35-3A Goodwill Subsequent Measurement - Qualitative Assessment Approach and concluded that goodwill was not impaired. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 19 -Segment Reporting" to the consolidated financial statements of Synovus' 2019 Form 10-K for information on Synovus' reorganization during 2019.

During 2020, Synovus performed interim goodwill impairment tests as of September 30, 2020, June 30, 2020 and March 31, 2020 based on quarterly assessments of triggering events that included Synovus' stock price trading below book value, an extremely low interest rate environment, as well as general recessionary economic conditions caused by the COVID-19 pandemic. Quantitative assessments of goodwill impairment include determining the estimated fair value of each reporting unit, utilizing a combination of discounted cash flow and market-based approaches, and comparing that fair value to each reporting unit's carrying amount. The discounted cash flow method included updated internal forecasts, long-term profitability targets, growth rates and discount rates. The market approach was based on a comparison of certain financial metrics of Synovus' reporting units to guideline public company peers. The income-based discounted cash flow approach was more heavily weighted (60%) than the market-based approach (40%) due to significant volatility in the market since the pandemic was declared a National Emergency.

Based on the assessment performed at September 30, 2020, Synovus recognized a $44.9 million goodwill impairment charge representing all goodwill allocated to the Consumer Mortgage reporting unit, while the fair values of the Community Banking, Wholesale Banking and Wealth Management reporting units continued to exceed the respective carrying values. The projected cash flows of the Consumer Mortgage reporting unit declined from the prior period valuations due to significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. The primarily fixed rate, longer duration nature of Synovus’ mortgage portfolio especially impacted the Consumer Mortgage reporting unit. In addition, the excess of fair value over the carrying amount for the Community Banking and Wholesale Banking reporting units was less than 10% at September 30, 2020.

Due to the high degree of subjectivity involved in estimating the fair value of Synovus' reporting units, a decline in Synovus' expected future cash flows or estimated growth rates due to further deterioration in the economic environment, or continued market capitalization of Synovus below book value, could result in an additional goodwill impairment charge that is material to Synovus' results from operations, but would not materially impact our financial condition.

Schedule of Other Intangible Assets

The following table shows the gross carrying amount and accumulated amortization of other intangible assets as of September 30, 2020 and December 31, 2019, which primarily consist of core deposit intangible assets acquired in the FCB acquisition. The CDI is being amortized over its estimated useful life of approximately ten years utilizing an accelerated method. Aggregate other intangible assets amortization expense for the three and nine months ended September 30, 2020 was $2.6 million and $7.9 million, respectively. Aggregate other intangible assets amortization for the three and nine months ended September 30, 2019 was $2.9 million and $8.7 million, respectively.

(in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
September 30, 2020
CDI	$	57,400	$	(17,481)	$	39,919
Other	12,500		(4,667)		7,833
Total other intangible assets	$	69,900	$	(22,148)	$	47,752
December 31, 2019
CDI	$	57,400	$	(10,436)	$	46,964
Other	12,500		(3,793)		8,707
Total other intangible assets	$	69,900	$	(14,229)	$	55,671

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Shareholders' Equity and Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of Dividends Payable

The following table presents dividends declared related to common stock. For information related to preferred stock dividends, see "Part II - Item 8. Financial Statements and Supplementary Data - Note 10 - Shareholders' Equity and Other Comprehensive Income" to the consolidated financial statements of Synovus' 2019 Form 10-K.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cash dividends declared per share	$	0.33	$	0.30	$	0.99	$	0.90

Share-based Compensation, Stock Options, Activity

	Stock Options
(in thousands, except per share amounts)	Quantity	Weighted-Average Exercise Price Per Share
Outstanding at January 1, 2020	3,037	$	22.74
Exercised	(239)	28.28
Expired/canceled	(64)	29.75
Outstanding at September 30, 2020	2,734	$	22.09

Schedule of Nonvested Share Activity

	RSUs, MRSUs, and PSUs
(in thousands, except per share amounts)	Quantity	Weighted-Average Grant Date Fair Value Per Share
Non-vested at January 1, 2020	1,312	$	39.28
Granted	893	32.91
Quantity change based on TSR and performance factors	44	35.11
Dividend equivalents granted	56	33.50
Vested	(590)	38.85
Forfeited	(58)	36.22
Non-vested at September 30, 2020	1,657	$	35.80

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)

The following tables illustrate activity within the balances in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2020 and 2019.

Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)
(in thousands)	Net unrealized gains (losses) on investment securities available for sale(1)		Net unrealized gains (losses) on cash flow hedges(1)		Post-retirement unfunded health benefit		Total
Balance, July 1, 2020	$	134,245	$	68,263	$	462	$	202,970
Other comprehensive income (loss) before reclassifications	(21,806)		(6,635)		—		(28,441)
Amounts reclassified from AOCI	1,149		(764)		—		385
Net current period other comprehensive income (loss)	(20,657)		(7,399)		—		(28,056)
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, July 1, 2019	$	60,586	$	(12,137)	$	840	$	49,289
Other comprehensive income (loss) before reclassifications	25,133		(876)		(378)		23,879
Amounts reclassified from AOCI	2,765		—		—		2,765
Net current period other comprehensive income (loss)	27,898		(876)		(378)		26,644
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933
Balance, January 1, 2020	$	83,666	$	(18,487)	$	462	$	65,641
Other comprehensive income (loss) before reclassifications	86,678		80,404		—		167,082
Amounts reclassified from AOCI	(56,756)		(1,053)		—		(57,809)
Net current period other comprehensive income (loss)	29,922		79,351		—		109,273
Balance at September 30, 2020	$	113,588	$	60,864	$	462	$	174,914
Balance, January 1, 2019	$	(83,179)	$	(12,137)	$	896	$	(94,420)
Other comprehensive income (loss) before reclassifications	167,586		(876)		(378)		166,332
Amounts reclassified from AOCI	4,077		—		(56)		4,021
Net current period other comprehensive income (loss)	171,663		(876)		(434)		170,353
Balance at September 30, 2019	$	88,484	$	(13,013)	$	462	$	75,933

(1)    For all periods presented, the ending balance in net unrealized gains (losses) on cash flow hedges and investment securities available for sale includes unrealized losses of $12.1 million and $13.3 million, respectively, related to residual tax effects remaining in OCI due to previously established deferred tax asset valuation allowances in 2010 and 2011. In accordance with ASC 740-20-45-11(b), under the portfolio approach, these unrealized losses are realized at the time the entire portfolio is sold or disposed.

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Fair Value Accounting (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Financial Instruments Measured at Fair Value on Recurring Basis

The following tables present all financial instruments measured at fair value on a recurring basis as of September 30, 2020 and December 31, 2019.

	September 30, 2020
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Mortgage-backed securities issued by U.S. Government agencies	$	—	$	18	$	—	$	18
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	—		604		—		604
Other mortgage-backed securities	—		673		—		673
State and municipal securities	—		579		—		579
Asset-backed securities	—		2,497		—		2,497
Total trading securities	$	—	$	4,371	$	—	$	4,371
Investment securities available for sale:
U.S. Treasury securities	$	20,254	$	—	$	—	$	20,254
U.S. Government agency securities	—		156,614		—		156,614
Mortgage-backed securities issued by U.S. Government agencies	—		1,129,392		—		1,129,392
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		4,540,386		—		4,540,386
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		1,345,284		—		1,345,284
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		354,157		—		354,157
State and municipal securities	—		501		—		501
Corporate debt securities and other debt securities	—		18,137		1,800		19,937
Total investment securities available for sale	$	20,254	$	7,544,471	$	1,800	$	7,566,525
Mortgage loans held for sale	—		285,899		—		285,899
Private equity investments	—		—		958		958
Mutual funds and mutual funds held in rabbi trusts	35,174		—		—		35,174
GGL/SBA loans servicing asset	—		—		3,100		3,100
Derivative assets	—		463,028		—		463,028
Liabilities
Earnout liability	$	—	$	—	$	15,924	$	15,924
Derivative liabilities	—		178,508		1,460		179,968

	December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total Assets and Liabilities at Fair Value
Assets
Trading securities:
Collateralized mortgage obligations issued by U.S. Government sponsored enterprises	$	—	$	2,486	$	—	$	2,486
Other mortgage-backed securities	—		1,284		—		1,284
State and municipal securities	—		65		—		65
Asset-backed securities	—		3,227		—		3,227
Other investments	—		150		—		150
Total trading securities	$	—	$	7,212	$	—	$	7,212
Investment securities available for sale:
U.S. Treasury securities	$	19,855	$	—	$	—	$	19,855
U.S. Government agency securities	—		36,541		—		36,541
Mortgage-backed securities issued by U.S. Government agencies	—		56,816		—		56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises	—		5,180,815		—		5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises	—		636,851		—		636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises	—		371,592		—		371,592
State and municipal securities	—		2,075		—		2,075
Asset-backed securities	—		327,400		—		327,400
Corporate debt securities and other debt securities	—		144,620		2,105		146,725
Total investment securities available for sale	$	19,855	$	6,756,710	$	2,105	$	6,778,670
Mortgage loans held for sale	—		115,173		—		115,173
Private equity investments	15,502		—		3,887		19,389
Mutual funds and mutual funds held in rabbi trusts	32,348		—		—		32,348
GGL/SBA loans servicing asset	—		—		3,040		3,040
Derivative assets	—		140,016		—		140,016
Liabilities
Trading liability for short positions	$	1,560	$	—	$	—	$	1,560
Earnout liability	—		—		11,016		11,016
Derivative liabilities	—		34,732		2,339		37,071

Schedule of Mortgage Loans Held for Sale and Changes in Fair Value Included in Consolidated Statements of Income

The following table summarizes the difference between the fair value and the UPB of mortgage loans held for sale and the changes in fair value of these loans. An immaterial portion of these changes in fair value was attributable to changes in instrument-specific credit risk.

Mortgage Loans Held for Sale
(in thousands)	As of September 30, 2020		As of December 31, 2019
Fair value	$	285,899	$	115,173
Unpaid principal balance	276,709		112,218
Fair value less aggregate unpaid principal balance	$	9,190	$	2,955

Changes in Fair Value Included in Net Income
	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Mortgage loans held for sale	$	251	$	892	$	6,235	$	1,593

Changes in Level 3 Fair Value Measurements

	Three Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2020	$	1,662	$	698	$	3,019	$	(15,924)	$	(1,755)
Total gains (losses) realized/unrealized:
Included in earnings	—		260		(187)		—		—
Unrealized gains (losses) included in OCI	138		—		—		—		—
Additions	—		—		268		—		—
Settlements	—		—		—		—		295
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	260	$	—	$	—	$	—
	Three Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, July 1, 2019	$	2,017	$	13,341	$	3,326	$	(14,353)	$	(1,049)
Total gains (losses) realized/unrealized:
Included in earnings	—		1,194		(298)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	(26)		—		—		—		—
Additions	—		—		322		—		—
Settlements	—		(3,246)		—		—		214
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2019	$	—	$	777	$	—	$	(10,457)	$	(2,500)

	Nine Months Ended September 30, 2020
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2020	$	2,105	$	3,887	$	3,040	$	(11,016)	$	(2,339)
Total gains (losses) realized/unrealized:
Included in earnings			(2,929)		(742)		(4,908)		—
Unrealized gains (losses) included in OCI	(305)		—		—		—		—
Additions	—		—		802		—		—
Settlements	—		—		—		—		879
Ending balance, September 30, 2020	$	1,800	$	958	$	3,100	$	(15,924)	$	(1,460)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized gains/(losses) relating to assets/liabilities still held at September 30, 2020	$	—	$	(2,929)	$	—	$	(4,908)	$	—
	Nine Months Ended September 30, 2019
(in thousands)	Investment Securities Available for Sale		Private Equity Investments		GGL / SBA Loans Servicing Asset		Earnout Liability		Visa Derivative
Beginning balance, January 1, 2019	$	1,785	$	11,028	$	3,729	$	(14,353)	$	(1,673)
Total (losses) gains realized/unrealized:
Included in earnings	—		3,507		(1,091)		(10,457)		(2,500)
Unrealized gains (losses) included in OCI	206		—		—		—		—
Additions	—		—		712		—		—
Settlements	—		(3,246)		—		—		838
Ending balance, September 30, 2019	$	1,991	$	11,289	$	3,350	$	(24,810)	$	(3,335)
Total net gains (losses) for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held at September 30, 2019	$	—	$	3,090	$	—	$	(10,457)	$	(2,500)

Fair Value Inputs, Assets, Quantitative Information

The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a recurring basis. The range of sensitivities that management utilized in its fair value calculations is deemed acceptable in the industry with respect to the identified financial instruments.

			September 30, 2020
(dollars in thousands)	Valuation Technique	Significant Unobservable Input	Level 3 Fair Value	Rate/Range
Assets measured at fair value on a recurring basis
Investment Securities Available for Sale - Corporate debt and other debt securities - trust preferred security	Discounted cash flow analysis	Discount rate Forecasted average Prime reset rate	$1,800	5.83% 3.79%
Private equity investments	Individual analysis of each investee company	Multiple factors, including but not limited to, current operations, financial condition, cash flows, evaluation of business management and financial plans, and recently executed financing transactions related to the investee companies	$958	N/A
GGL/SBA loans servicing asset	Discounted cash flow analysis	Discount rate Prepayment speeds	$3,100	9.68% 19.20%
Earnout liability	Option pricing methods and Monte Carlo simulation	Financial projections of Global One	$15,924	N/A
Visa derivative liability	Discounted cash flow analysis	Estimated timing of resolution of Covered Litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation	$1,460	0-1.2 years (4Q 2021)

The table below provides an overview of the valuation techniques and significant unobservable inputs used in those techniques to measure financial instruments that are classified within Level 3 of the valuation hierarchy and are measured at fair value on a non-recurring basis.

			September 30, 2020
	Valuation Technique	Significant Unobservable Input	Range (Weighted Average)(1)
Assets measured at fair value on a non-recurring basis
Loans	Third-party appraised value of collateral less estimated selling costs	Discount to appraised value Estimated selling costs	0%-36% (28%) 0%-10% (7%)
Other real estate	Third-party appraised value of real estate less estimated selling costs	Discount to appraised value Estimated selling costs	0%-20% (10%) 0%-10% (7%)
MPS receivable(2)	Third-party appraised value of business less estimated selling costs	Discount to appraised value Estimated selling costs	N/A
Other assets held for sale	Third-party appraised value less estimated selling costs or BOV	Discount to appraised value Estimated selling costs	0%-66% (53%) 0%-10% (7%)

(1)    The weighted average is the measure of central tendencies; it is not the value that management is using for the asset or liability.

(2)    See "Part I - Item 1. Notes to Unaudited Interim Financial Statements - Note 10 - Commitments and Contingencies" of this Report for more information on this receivable which was classified as a NPA at September 30, 2020 and December 31, 2019.

Assets Measured at Fair Value on Non-Recurring Basis

	September 30, 2020								December 31, 2019
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Loans(1)	$	—	$	—	$	27,440	$	27,440	$	—	$	—	$	1,461	$	1,461
Other real estate	—		—		1,750		1,750		—		—		8,023		8,023
MPS receivable	—		—		17,915		17,915		—		—		21,437		21,437
Other assets held for sale	—		—		1,634		1,634		—		—		1,238		1,238

Fair Value Adjustments Recognized in Earnings for Assets Measured at Fair Value on a Non-recurring Basis

The following table presents fair value adjustments recognized in earnings for the three and nine months ended September 30, 2020 and 2019 for assets measured at fair value on a non-recurring basis still held at period-end.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Loans(1)	$	5,661	$	4,170	$	20,412	$	4,718
Other real estate	107		74		138		569
MPS receivable	—		—		2,663		—
Other assets held for sale	—		—		2,120		91

(1) Collateral-dependent loans that were written down to fair value of collateral.

Carrying and Estimated Fair Values of Financial Instruments Carried on Balance Sheet

The following tables present the carrying and estimated fair values of financial instruments at September 30, 2020 and December 31, 2019. The fair values represent management’s best estimates based on a range of methodologies and assumptions. See "Part II - Item 8. Financial Statements and Supplementary Data - Note 1 - Summary of Significant Accounting Policies" to the consolidated financial statements of Synovus' 2019 Form 10-K for a description of how fair value measurements are determined.

	September 30, 2020
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,985,363	$	1,985,363	$	1,985,363	$	—	$	—
Trading securities	4,371		4,371		—		4,371		—
Investment securities available for sale	7,566,525		7,566,525		20,254		7,544,471		1,800
Loans held for sale	745,160		744,615		—		285,899		458,716
Private equity investments	958		958		—		—		958
Mutual funds and mutual funds held in rabbi trusts	35,174		35,174		35,174		—		—
Loans, net	38,946,047		38,923,265		—		—		38,923,265
GGL/SBA loans servicing asset	3,100		3,100		—		—		3,100
Derivative assets	463,028		463,028		—		463,028		—
Financial liabilities
Non-interest-bearing deposits	$	13,075,081	$	13,075,081	$	—	$	13,075,081	$	—
Non-time interest-bearing deposits	24,831,480		24,831,480		—		24,831,480		—
Time deposits	6,759,343		6,797,139		—		6,797,139		—
Total deposits	$	44,665,904	$	44,703,700	$	—	$	44,703,700	$	—
Federal funds purchased and securities sold under repurchase agreements	202,344		202,344		202,344		—		—
Other short-term borrowings	400,000		400,000		—		400,000		—
Long-term debt	1,628,385		1,687,448		—		1,687,448		—
Earnout liability	15,924		15,924		—		—		15,924
Derivative liabilities	179,968		179,968		—		178,508		1,460

	December 31, 2019
(in thousands)	Carrying Value		Fair Value		Level 1		Level 2		Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	$	1,186,918	$	1,186,918	$	1,186,918	$	—	$	—
Trading securities	7,212		7,212		—		7,212		—
Investment securities available for sale	6,778,670		6,778,670		19,855		6,756,710		2,105
Mortgage loans held for sale	115,173		115,173		—		115,173		—
Private equity investments	19,389		19,389		15,502		—		3,887
Mutual funds and mutual funds held in rabbi trusts	32,348		32,348		32,348		—		—
Loans, net	36,881,048		36,931,256		—		—		36,931,256
GGL/SBA loans servicing asset	3,040		3,040		—		—		3,040
Derivative assets	140,016		140,016		—		140,016		—
Financial liabilities
Non-interest-bearing deposits	$	9,439,485	$	9,439,485	$	—	$	9,439,485	$	—
Non-time interest-bearing deposits	19,891,711		19,891,711		—		19,891,711		—
Time deposits	9,074,308		9,112,459		—		9,112,459		—
Total deposits	$	38,405,504	$	38,443,655	$	—	$	38,443,655	$	—
Federal funds purchased and securities sold under repurchase agreements	165,690		165,690		165,690		—		—
Trading liability for short positions	1,560		1,560		1,560		—		—
Other short-term borrowings	1,752,000		1,752,000		—		1,752,000		—
Long-term debt	2,153,897		2,185,717		—		2,185,717		—
Earnout liability	11,016		11,016		—		—		11,016
Derivative liabilities	37,071		37,071		—		34,732		2,339

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Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2020

Summary of Derivative Instruments [Abstract]

Impact of Derivatives on Balance Sheet

The following table reflects the notional amount and fair value of derivative instruments included on the consolidated balance sheets. Beginning on October 19, 2020, CME Group Inc. transitioned price alignment and discounting for swap futures from the daily EFFR to the SOFR. This change will not have a material impact on Synovus' financial statements.

	September 30, 2020						December 31, 2019
			Fair Value						Fair Value
(in thousands)	Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)		Notional Amount		Derivative Assets (1)		Derivative Liabilities (2)
Derivatives in cash flow hedging relationships:
Interest rate contracts	$	2,750,000	$	90,116	$	—	$	2,000,000	$	54	$	8,624
Total derivatives designated as hedging instruments			$	90,116	$	—			$	54	$	8,624
Derivatives not designated as hedging instruments:
Interest rate contracts(3)	$	8,761,038	$	362,700	$	176,338	$	7,258,159	$	138,672	$	25,849
Mortgage derivatives - interest rate lock commitments	451,953		10,212		—		70,481		1,290		—
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	492,500		—		1,793		107,000		—		168
Other contracts(4)	186,074		—		377		145,764		—		91
Visa derivative	—		—		1,460		—		—		2,339
Total derivatives not designated as hedging instruments			$	372,912	$	179,968			$	139,962	$	28,447

(1)    Derivative assets are recorded in other assets on the consolidated balance sheets.

(2)    Derivative liabilities are recorded in other liabilities on the consolidated balance sheets.

(3)    Includes interest rate contracts for customer swaps and offsetting positions, net of variation margin payments.

(4)    Includes risk participation agreements sold. Additionally, the notional amount of risk participation agreements purchased was $2.7 million and $3.0 million at September 30, 2020 and December 31, 2019, respectively.

Schedule of Derivative Instruments, Effect on Hedging

The following table presents the effect of hedging derivative instruments on the consolidated statements of income and the total amounts for the respective line item affected for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Total amounts presented in the consolidated statements of income in interest income on loans	$	8,509	$	—	$	13,595	$	—
Gain/loss on cash flow hedging relationships:(1)
Interest rate swaps:
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans	1,031		—		1,421		—
Pre-tax income recognized on cash flow hedges	$	1,031	$	—	$	1,421	$	—

(1)    See "Part I - Item 1. Financial Statements and Supplementary Data - Note 6 - Shareholders' Equity and Other Comprehensive Income (Loss) in this Report for additional information.

Effect of Fair Value Hedges on Consolidated Statements of Income

The pre-tax effect of changes in fair value from derivative instruments not designated as hedging instruments on the consolidated statements of income for the three and nine months ended September 30, 2020 and 2019 is presented below.

		Gain (Loss) Recognized in Consolidated Statements of Income
		Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	Location in Consolidated Statements of Income	2020		2019		2020		2019
Derivatives not designated as hedging instruments:
Interest rate contracts(1)	Capital markets income	$	176	$	549	$	225	$	640
Other contracts(2)	Capital markets income	47		(144)		(286)		(144)
Mortgage derivatives - interest rate lock commitments	Mortgage banking income	2,532		22		8,922		970
Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans	Mortgage banking income	(396)		642		(1,624)		413
Visa derivative	Other non-interest expense	—		(2,500)		—		(2,500)
Total derivatives not designated as hedging instruments		$	2,359	$	(1,431)	$	7,237	$	(621)

(1)    Additionally, losses related to termination of customer swaps of $2.5 million were recorded in other non-interest expense during the first quarter of 2020.

(2)    Includes risk participation agreements sold.

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Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The following table displays a reconciliation of the information used in calculating basic and diluted earnings per common share for the three and nine months ended September 30, 2020 and 2019.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share data)	2020		2019		2020		2019
Basic Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Net income per common share, basic	$	0.57	$	0.84	$	1.35	$	2.53
Diluted Net Income Per Common Share:
Net income available to common shareholders	$	83,283	$	127,435	$	198,414	$	397,505
Weighted average common shares outstanding	147,314		152,238		147,304		156,819
Effect of dilutive outstanding equity-based awards, warrants, and earnout payments	662		1,805		733		1,776
Weighted average diluted common shares	147,976		154,043		148,037		158,595
Net income per common share, diluted	$	0.56	$	0.83	$	1.34	$	2.51

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Loan Commitments and Letters of Credit

(in thousands)	September 30, 2020		December 31, 2019
Letters of credit*	$	177,000	$	202,614
Commitments to fund commercial and industrial loans	7,990,189		7,018,152
Commitments to fund commercial real estate, construction, and land development loans	2,891,857		3,032,252
Commitments under home equity lines of credit	1,588,844		1,501,452
Unused credit card lines	984,636		877,929
Other loan commitments	458,509		485,371
Total letters of credit and unfunded lending commitments	$	14,091,035	$	13,117,770

Investments in low income housing, solar energy tax credit and other CRA partnerships:
Carrying amount included in other assets	$	214,615	$	146,612
Amount of future funding commitments included in carrying amount	124,866		78,266
Permanent and short-term construction loans and letter of credit commitments	52,686		2,124
Funded portion of permanent and short-term loans and letters of credit	5,194		3,196

*    Represent the contractual amount net of risk participations purchased of approximately $31 million and $33 million at September 30, 2020 and December 31, 2019, respectively.

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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting

The following tables present certain financial information for each reportable business segment for the three and nine months ended September 30, 2020. During the three months ended September 30, 2020, Synovus recognized a $44.9 million non-cash goodwill impairment charge representing all of the goodwill allocated to the Consumer Mortgage reporting unit (which is included in the FMS reportable segment) driven by significant mortgage refinance activity at record-low mortgage rates and the FOMC's updated guidance in the third quarter of 2020 regarding inflation targeting and their expectations for interest rates to remain low for an extended period of time. To provide comparable prior year information, Synovus has included proforma business segment financial information for the three and nine months ended September 30, 2019 utilizing various allocation methodologies based on balance sheet and income statement items assigned to each business segment. The application and development of management reporting methodologies is a dynamic process and is subject to periodic enhancements. As these enhancements are made, financial results presented by each reportable business segment may be periodically revised.

	Three Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	220,426	$	139,080	$	20,986	$	(3,502)	$	376,990
Non-interest revenue	29,982		5,496		65,820		13,113		114,411
Non-interest expense	68,571		19,530		92,931		135,623		316,655
Pre-provision net revenue	$	181,837	$	125,046	$	(6,125)	$	(126,012)	$	174,746

	Three Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	203,197	$	133,773	$	26,582	$	38,545	$	402,097
Non-interest revenue	35,145		7,092		40,966		5,557		88,760
Non-interest expense	76,414		25,413		40,413		134,070		276,310
Pre-provision net revenue	$	161,928	$	115,452	$	27,135	$	(89,968)	$	214,547

	Nine Months Ended September 30, 2020
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	638,311	$	407,265	$	56,600	$	24,640	$	1,126,816
Non-interest revenue	89,413		20,406		166,067		115,866		391,752
Non-interest expense	219,859		63,176		184,501		409,540		877,076
Pre-provision net revenue	$	507,865	$	364,495	$	38,166	$	(269,034)	$	641,492

	Nine Months Ended September 30, 2019 Proforma
(in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Net interest income	$	625,450	$	388,241	$	86,425	$	96,419	$	1,196,535
Non-interest revenue	101,971		21,787		111,873		22,314		257,945
Non-interest expense	225,141		55,141		111,139		441,426		832,847
Pre-provision net revenue	$	502,280	$	354,887	$	87,159	$	(322,693)	$	621,633

	September 30, 2020
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	11,489,106	$	19,204,961	$	5,412,944	$	3,442,836	$	39,549,847
Total deposits	$	28,870,928	$	10,339,568	$	414,243	$	5,041,165	$	44,665,904
Total full-time equivalent employees	2,200		285		843		1,904		5,232
	December 31, 2019
(dollars in thousands)	Community Banking		Wholesale Banking		Financial Management Services		Treasury and Corporate Other		Synovus Consolidated
Total loans net of deferred fees and costs	$	12,170,914	$	17,643,509	$	5,285,455	$	2,062,572	$	37,162,450
Total deposits	$	25,610,777	$	8,314,184	$	284,716	$	4,195,827	$	38,405,504
Total full-time equivalent employees	2,301		213		839		1,911		5,264

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Basis of Presentation and Accounting Policies (Narrative) (Details) numberOfIndividuals in Thousands, numberOfCustomers in Thousands, $ in Thousands		9 Months Ended
	Jan. 01, 2020 USD ($)	Sep. 30, 2020 USD ($) branch ATM numberOfCustomers numberOfIndividuals	Sep. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)		Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Accounting Policies [Abstract]
Number of branches | branch		292
Number of ATMs | ATM		389
PPP funded amount		$ 2,900,000
PPP number of customers | numberOfCustomers		19
PPP average loan amount		$ 150
PPP individuals employed by customers | numberOfIndividuals		335
Life of loans		1 year
Revert period		1 year
Basis Of Presentation [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member
Stockholders' equity		$ 5,064,542	$ 4,868,838	$ 5,052,968	$ 4,941,690		$ 4,753,816	$ 3,133,602
Life of loans		1 year
Revert period		1 year
Unfunded Loan Commitment
Basis Of Presentation [Line Items]
Cost basis of loans	$ 62,200
Impact from Adoption
Basis Of Presentation [Line Items]
Stockholders' equity					$ (35,721)	[1]		$ 4,270
Impact from Adoption | Unfunded Loan Commitment
Basis Of Presentation [Line Items]
Stockholders' equity	$ 35,700

[1] For additional information, see "Part I - Item 1. Financial Statements and Supplementary Data - Note 1 - Basis of Presentation" in this Report.

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Basis of Presentation and Accounting Policies (Schedule of Adoption) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses	$ 603,800	$ 588,648	$ 281,402	$ 281,402	$ 265,013	$ 257,376	$ 250,555
Reserve for unfunded commitments			1,375
Allowance for credit losses	664,600		282,777
Loans, net			36,881,048
Retained earnings	1,084,736		1,068,327	1,068,327
Total commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses	260,600	229,915	145,782		142,011	138,004	133,123
Total commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses	143,805	171,526	67,430		61,958	63,463	68,796
Retail
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses	$ 199,395	$ 187,207	68,190		$ 61,044	$ 55,909	$ 48,636
Impact of ASC 326 Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			82,994	82,994
Reserve for unfunded commitments			27,440
Allowance for credit losses			110,434
Loans, net			(20,767)
Retained earnings			(35,721)
Impact of ASC 326 Adoption | Total commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			(2,310)	(2,310)
Impact of ASC 326 Adoption | Total commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			(651)	(651)
Impact of ASC 326 Adoption | Retail
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			85,955	$ 85,955
As Reported under ASC 326
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			364,396
Reserve for unfunded commitments			28,815
Allowance for credit losses			393,211
Loans, net			36,860,281
Retained earnings			1,032,606
As Reported under ASC 326 | Total commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			143,472
As Reported under ASC 326 | Total commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			66,779
As Reported under ASC 326 | Retail
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total allowance for loan losses			$ 154,145

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Acquisitions (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Merger-related expense		$ 0	$ 353	$ 0	$ 57,493
Earnout liabilities, fair value						$ 11,016
FCB Financial Holdings, Inc.
Business Acquisition [Line Items]
Consideration transferred	$ 1,630,000
Loans	9,290,000	90,300		90,300
Deposits	$ 10,930,000
Merger-related expense			$ 400		$ 57,500
Global One
Business Acquisition [Line Items]
Increase in earnout liabilities				4,900
Earnout liabilities, fair value		$ 15,900		$ 15,900

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Investment Securities Available for Sale (Summary of Available for Sale Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 7,395,265	$ 6,647,791
Gross Unrealized Gains	182,653	133,385
Gross Unrealized Losses	(11,393)	(2,506)
Fair Value	7,566,525	6,778,670
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	20,254	19,855
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	20,254	19,855
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	153,984	35,499
Gross Unrealized Gains	3,056	1,042
Gross Unrealized Losses	(426)	0
Fair Value	156,614	36,541
Mortgage-backed securities issued by U.S. Government agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,132,816	56,328
Gross Unrealized Gains	2,655	560
Gross Unrealized Losses	(6,079)	(72)
Fair Value	1,129,392	56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,402,051	5,079,396
Gross Unrealized Gains	138,611	103,495
Gross Unrealized Losses	(276)	(2,076)
Fair Value	4,540,386	5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,331,011	629,706
Gross Unrealized Gains	18,495	7,349
Gross Unrealized Losses	(4,222)	(204)
Fair Value	1,345,284	636,851
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	334,463	357,291
Gross Unrealized Gains	19,694	14,301
Gross Unrealized Losses	0	0
Fair Value	354,157	371,592
State and municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	500	2,069
Gross Unrealized Gains	1	6
Gross Unrealized Losses	0	0
Fair Value	501	2,075
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		323,237
Gross Unrealized Gains		4,315
Gross Unrealized Losses		(152)
Fair Value		327,400
Corporate debt securities and other debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	20,186	144,410
Gross Unrealized Gains	141	2,317
Gross Unrealized Losses	(390)	(2)
Fair Value	$ 19,937	$ 146,725

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Investment Securities Available for Sale (Narrative) (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2020 USD ($) securities	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) securities	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) securities
Financing Receivable, Impaired [Line Items]
Investment securities gains, net	$ (1,550,000)	$ 69,400,000	$ (3,731,000)	$ 76,594,000	$ (5,502,000)
Gross losses	1,550,000	5,700,000	3,871,000	7,246,000	14,772,000
Gross realized gains on sales	$ 0		140,000	$ 83,840,000	9,270,000
Investment securities in a loss position for less than twelve months | securities	28			28		26
Investment securities in a loss position for twelve months or longer | securities	0			0		5
Investment securities gains, net	$ (1,550,000)	$ 69,400,000	$ (3,731,000)	$ 76,594,000	$ (5,502,000)
Debt Securities, Available-for-sale, Allowance for Credit Loss	0			0
Debt Securities, Available-for-sale, Realized Loss - Quarter Two Settlement	802,000
Collateral Pledged
Financing Receivable, Impaired [Line Items]
Pledged to secure deposits	$ 2,340,000,000			$ 2,340,000,000		$ 1,710,000,000

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Investment Securities Available for Sale (Schedule of Gross Unrealized Losses on Investment Securities and Fair Value) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 1,651,051	$ 891,914
Less than 12 Months, Gross Unrealized Losses	(11,393)	(2,468)
12 Months or Longer, Fair Value	0	5,309
12 Months or Longer, Gross Unrealized Losses	0	(38)
Total, Fair Value	1,651,051	897,223
Total, Gross Unrealized Losses	(11,393)	(2,506)
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	48,921
Less than 12 Months, Gross Unrealized Losses	(426)
12 Months or Longer, Fair Value	0
12 Months or Longer, Gross Unrealized Losses	0
Total, Fair Value	48,921
Total, Gross Unrealized Losses	(426)
Mortgage-backed securities issued by U.S. Government agencies
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	800,908	19,543
Less than 12 Months, Gross Unrealized Losses	(6,079)	(70)
12 Months or Longer, Fair Value	0	355
12 Months or Longer, Gross Unrealized Losses	0	(2)
Total, Fair Value	800,908	19,898
Total, Gross Unrealized Losses	(6,079)	(72)
Mortgage-backed securities issued by U.S. Government sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	180,899	768,040
Less than 12 Months, Gross Unrealized Losses	(276)	(2,076)
12 Months or Longer, Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total, Fair Value	180,899	768,040
Total, Gross Unrealized Losses	(276)	(2,076)
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	609,208	57,670
Less than 12 Months, Gross Unrealized Losses	(4,222)	(204)
12 Months or Longer, Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total, Fair Value	609,208	57,670
Total, Gross Unrealized Losses	(4,222)	(204)
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value		37,156
Less than 12 Months, Gross Unrealized Losses		(116)
12 Months or Longer, Fair Value		4,954
12 Months or Longer, Gross Unrealized Losses		(36)
Total, Fair Value		42,110
Total, Gross Unrealized Losses		(152)
Corporate debt securities and other debt securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	11,115	9,505
Less than 12 Months, Gross Unrealized Losses	(390)	(2)
12 Months or Longer, Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total, Fair Value	11,115	9,505
Total, Gross Unrealized Losses	$ (390)	$ (2)

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Investment Securities Available for Sale (Amortized Cost and Estimated Fair Value by Contractual Maturity of Investment Securities Available for Sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Amortized Cost
Within One year, Amortized Cost	$ 20,684
1 to 5 Years, Amortized Cost	147,563
5 to 10 Years, Amortized Cost	321,871
More Than 10 years, Amortized Cost	6,905,147
Amortized Cost	7,395,265	$ 6,647,791
Fair Value
Within One Year, Fair Value	20,692
1 to 5 Years, Fair Value	154,223
5 to 10 Years, Fair Value	333,954
More Than 10 years, Fair Value	7,057,656
Total, Fair Value	7,566,525	6,778,670
U.S. Treasury securities
Amortized Cost
Within One year, Amortized Cost	20,254
1 to 5 Years, Amortized Cost	0
5 to 10 Years, Amortized Cost	0
More Than 10 years, Amortized Cost	0
Amortized Cost	20,254	19,855
Fair Value
Within One Year, Fair Value	20,254
1 to 5 Years, Fair Value	0
5 to 10 Years, Fair Value	0
More Than 10 years, Fair Value	0
Total, Fair Value	20,254	19,855
U.S. Government agency securities
Amortized Cost
Within One year, Amortized Cost	430
1 to 5 Years, Amortized Cost	26,432
5 to 10 Years, Amortized Cost	127,122
More Than 10 years, Amortized Cost	0
Amortized Cost	153,984	35,499
Fair Value
Within One Year, Fair Value	438
1 to 5 Years, Fair Value	26,243
5 to 10 Years, Fair Value	129,933
More Than 10 years, Fair Value	0
Total, Fair Value	156,614	36,541
Mortgage-backed securities issued by U.S. Government agencies
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	1,585
5 to 10 Years, Amortized Cost	311
More Than 10 years, Amortized Cost	1,130,920
Amortized Cost	1,132,816	56,328
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	1,641
5 to 10 Years, Fair Value	324
More Than 10 years, Fair Value	1,127,427
Total, Fair Value	1,129,392	56,816
Mortgage-backed securities issued by U.S. Government sponsored enterprises
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	310
5 to 10 Years, Amortized Cost	73,420
More Than 10 years, Amortized Cost	4,328,321
Amortized Cost	4,402,051	5,079,396
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	319
5 to 10 Years, Fair Value	76,148
More Than 10 years, Fair Value	4,463,919
Total, Fair Value	4,540,386	5,180,815
Collateralized Mortgage Backed Securities Issued By U S Government Sponsored Enterprises
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	0
5 to 10 Years, Amortized Cost	248
More Than 10 years, Amortized Cost	1,330,763
Amortized Cost	1,331,011
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	0
5 to 10 Years, Fair Value	259
More Than 10 years, Fair Value	1,345,025
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	109,731
5 to 10 Years, Amortized Cost	112,089
More Than 10 years, Amortized Cost	112,643
Amortized Cost	334,463	357,291
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	116,705
5 to 10 Years, Fair Value	118,468
More Than 10 years, Fair Value	118,984
Total, Fair Value	354,157	371,592
State and municipal securities
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	0
5 to 10 Years, Amortized Cost	0
More Than 10 years, Amortized Cost	500
Amortized Cost	500	2,069
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	0
5 to 10 Years, Fair Value	0
More Than 10 years, Fair Value	501
Total, Fair Value	501	2,075
Corporate debt securities and other debt securities
Amortized Cost
Within One year, Amortized Cost	0
1 to 5 Years, Amortized Cost	9,505
5 to 10 Years, Amortized Cost	8,681
More Than 10 years, Amortized Cost	2,000
Amortized Cost	20,186	144,410
Fair Value
Within One Year, Fair Value	0
1 to 5 Years, Fair Value	9,315
5 to 10 Years, Fair Value	8,822
More Than 10 years, Fair Value	1,800
Total, Fair Value	19,937	146,725
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Amortized Cost
Amortized Cost	1,331,011	629,706
Fair Value
Total, Fair Value	$ 1,345,284	$ 636,851

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Investment Securities Available for Sale (Summary of Sales Transactions in the Investment Securities Available for Sale Portfolio) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Investments [Abstract]
Proceeds from sales of investment securities available for sale	$ 1,249,507		$ 709,464	$ 3,932,368	$ 2,456,137
Gross realized gains on sales	0		140	83,840	9,270
Gross realized losses on sales(1)	(1,550)	$ (5,700)	(3,871)	(7,246)	(14,772)
Investment securities gains (losses), net	$ (1,550)	$ 69,400	$ (3,731)	$ 76,594	$ (5,502)

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Loans and Allowance for Loan Losses (Schedule of Current, Accruing Past Due and Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Jan. 01, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	$ 39,549,847	$ 37,162,450
Non-accrual	129,748	99,848
Non-accrual, without an allowance	39,089
Total loans	39,648,824	37,187,814
Deferred fees and costs, net	99,000	25,400
FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		5,557,334
Loans	90,300		$ 9,290,000
Acquired Loans, ASC 310-30 | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	1,800
Total commercial and industrial
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	78,038	65,797
Non-accrual, without an allowance	37,588
Total loans	20,014,151	16,769,370
Total commercial and industrial | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,842,331
Total commercial and industrial | Commercial, financial and agricultural
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	67,415	56,017
Non-accrual, without an allowance	27,950
Total loans	13,120,038	10,239,559
Total commercial and industrial | Commercial, financial and agricultural | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,019,135
Total commercial and industrial | Owner-occupied
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	10,623	9,780
Non-accrual, without an allowance	9,638
Total loans	6,894,113	6,529,811
Total commercial and industrial | Owner-occupied | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		823,196
Total commercial real estate
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	32,521	4,944
Non-accrual, without an allowance	1,501
Total loans	10,965,875	10,493,784
Total commercial real estate | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,856,170
Total commercial real estate | Investment properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	28,260	1,581
Non-accrual, without an allowance	0
Total loans	9,662,447	9,004,327
Total commercial real estate | Investment properties | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,736,608
Total commercial real estate | 1-4 family properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	2,135	2,253
Non-accrual, without an allowance	1,236
Total loans	655,038	780,015
Total commercial real estate | 1-4 family properties | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		41,401
Total commercial real estate | Land and development
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	2,126	1,110
Non-accrual, without an allowance	265
Total loans	648,390	709,442
Total commercial real estate | Land and development | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		78,161
Total consumer
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	19,189	29,107
Non-accrual, without an allowance	0
Total loans	8,668,798	9,924,660
Total consumer | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,858,833
Total consumer | Consumer mortgages
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	7,433	11,369
Non-accrual, without an allowance	0
Total loans	5,658,525	5,546,368
Total consumer | Consumer mortgages | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		1,848,493
Total consumer | Home equity lines
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	10,297	12,034
Non-accrual, without an allowance	0
Total loans	1,615,207	1,713,157
Total consumer | Home equity lines | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		2,155
Total consumer | Credit cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	0	0
Non-accrual, without an allowance	0
Total loans	264,829	268,841
Total consumer | Credit cards | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		0
Total consumer | Other consumer loans
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Non-accrual	1,459	5,704
Non-accrual, without an allowance	0
Total loans	1,130,237	2,396,294
Total consumer | Other consumer loans | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
ASC 310-30 Loans		8,185
Current
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	39,422,671	31,442,999
Current | Total commercial and industrial
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	19,879,223	14,815,380
Current | Total commercial and industrial | Commercial, financial and agricultural
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	13,009,877	9,124,285
Current | Total commercial and industrial | Owner-occupied
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	6,869,346	5,691,095
Current | Total commercial real estate
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	10,922,402	8,628,141
Current | Total commercial real estate | Investment properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	9,628,029	7,264,794
Current | Total commercial real estate | 1-4 family properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	649,225	733,984
Current | Total commercial real estate | Land and development
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	645,148	629,363
Current | Total consumer
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	8,621,046	7,999,478
Current | Total consumer | Consumer mortgages
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	5,643,745	3,681,553
Current | Total consumer | Home equity lines
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	1,601,705	1,691,759
Current | Total consumer | Credit cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	259,262	263,065
Current | Total consumer | Other consumer loans
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	1,116,334	2,363,101
Accruing 30 to 89 Days Past Due
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	49,804	81,330
Accruing 30 to 89 Days Past Due | Acquired Loans, ASC 310-30 | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans	26,500
Accruing 30 to 89 Days Past Due | Total commercial and industrial
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	18,098	44,080
Accruing 30 to 89 Days Past Due | Total commercial and industrial | Commercial, financial and agricultural
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	13,967	38,916
Accruing 30 to 89 Days Past Due | Total commercial and industrial | Owner-occupied
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	4,131	5,164
Accruing 30 to 89 Days Past Due | Total commercial real estate
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	8,295	4,225
Accruing 30 to 89 Days Past Due | Total commercial real estate | Investment properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	5,620	1,344
Accruing 30 to 89 Days Past Due | Total commercial real estate | 1-4 family properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	2,092	2,073
Accruing 30 to 89 Days Past Due | Total commercial real estate | Land and development
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	583	808
Accruing 30 to 89 Days Past Due | Total consumer
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	23,411	33,025
Accruing 30 to 89 Days Past Due | Total consumer | Consumer mortgages
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	6,475	4,223
Accruing 30 to 89 Days Past Due | Total consumer | Home equity lines
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	3,176	7,038
Accruing 30 to 89 Days Past Due | Total consumer | Credit cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	1,894	3,076
Accruing 30 to 89 Days Past Due | Total consumer | Other consumer loans
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	11,866	18,688
Accruing 90 to 149 Days Past Due
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	7,512	6,303
Accruing 90 to 149 Days Past Due | Acquired Loans, ASC 310-30 | FCB Financial Holdings, Inc.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans	9,600
Accruing 90 to 149 Days Past Due | Total commercial and industrial
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	1,204	1,782
Accruing 90 to 149 Days Past Due | Total commercial and industrial | Commercial, financial and agricultural
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	829	1,206
Accruing 90 to 149 Days Past Due | Total commercial and industrial | Owner-occupied
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	375	576
Accruing 90 to 149 Days Past Due | Total commercial real estate
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	1,156	304
Accruing 90 to 149 Days Past Due | Total commercial real estate | Investment properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	538	0
Accruing 90 to 149 Days Past Due | Total commercial real estate | 1-4 family properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	350	304
Accruing 90 to 149 Days Past Due | Total commercial real estate | Land and development
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	268	0
Accruing 90 to 149 Days Past Due | Total consumer
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	5,152	4,217
Accruing 90 to 149 Days Past Due | Total consumer | Consumer mortgages
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	872	730
Accruing 90 to 149 Days Past Due | Total consumer | Home equity lines
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	29	171
Accruing 90 to 149 Days Past Due | Total consumer | Credit cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	3,673	2,700
Accruing 90 to 149 Days Past Due | Total consumer | Other consumer loans
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	578	616
Total Accruing Past Due
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	57,316	87,633
Total Accruing Past Due | Total commercial and industrial
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	19,302	45,862
Total Accruing Past Due | Total commercial and industrial | Commercial, financial and agricultural
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	14,796	40,122
Total Accruing Past Due | Total commercial and industrial | Owner-occupied
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	4,506	5,740
Total Accruing Past Due | Total commercial real estate
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	9,451	4,529
Total Accruing Past Due | Total commercial real estate | Investment properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	6,158	1,344
Total Accruing Past Due | Total commercial real estate | 1-4 family properties
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	2,442	2,377
Total Accruing Past Due | Total commercial real estate | Land and development
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	851	808
Total Accruing Past Due | Total consumer
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	28,563	37,242
Total Accruing Past Due | Total consumer | Consumer mortgages
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	7,347	4,953
Total Accruing Past Due | Total consumer | Home equity lines
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	3,205	7,209
Total Accruing Past Due | Total consumer | Credit cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	5,567	5,776
Total Accruing Past Due | Total consumer | Other consumer loans
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Loans, net of deferred fees and costs	$ 12,444	$ 19,304

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Loans and Allowance for Loan Losses (Narrative) (Details)		3 Months Ended		9 Months Ended
		Sep. 30, 2020 USD ($) contract	Sep. 30, 2019 USD ($) contract	Sep. 30, 2020 USD ($) contract	Sep. 30, 2019 USD ($) contract	Jun. 30, 2020 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income recognized, cash basis		$ 1,300,000	$ 363,000	$ 2,700,000	$ 2,000,000.0
Loans pledged as collateral		15,290,000,000		15,290,000,000				$ 12,110,000,000
Total loans		39,648,824,000		39,648,824,000				37,187,814,000
Allowance for credit loss, reversal		6,100,000		19,400,000
Transfer of third-party lending partnership consumer loans to held for sale loans.		513,200,000		1,310,000,000
Total allowance for loan losses		603,800,000	265,013,000	603,800,000	265,013,000	$ 588,648,000	$ 281,402,000	281,402,000	$ 257,376,000	$ 250,555,000
Reserve for unfunded commitments		60,800,000		60,800,000
Allowance for credit losses		664,600,000		664,600,000			$ 282,777,000
Allowance for credit loss, increase		14,900,000		271,400,000
Provision for credit losses	[1]	43,383,000	27,562,000	$ 343,956,000	63,250,000
Allowance for Loan and Lease Losses Write-offs, Net		$ 28,500,000
Estimated impact of currently enacted stimulus and an unemployment rate for the end of year		8.00%		8.00%
ACL to loans ratio during period		0.05%
ACL to loans ratio		1.68%		1.68%
ACL to loans ratio, excluding PPP loans		1.80%		1.80%
Recorded Investment		$ 8,144,000	$ 14,621,000	$ 60,492,000	$ 31,352,000
Commitments to land additional funds to TDRs		$ 0		$ 0				0
Troubled Debt Restructuring That Subsequently Defaults
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts | contract		1	3	5	4
Recorded Investment		$ 21,000	$ 321,000	$ 666,000	$ 326,000
Total commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		20,014,151,000		20,014,151,000				$ 16,769,370,000
Recorded Investment		5,758,000	8,177,000	18,346,000	15,822,000
Total commercial and industrial | Small Business Administration (SBA), CARES Act, Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		2,710,000,000		2,710,000,000
Interest Income Recorded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest income recognized		$ 4,300,000	$ 2,500,000	$ 9,200,000	$ 8,000,000.0
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Retail loan substandard period (in days)				90 days
Loss and Charged Off
Accounts, Notes, Loans and Financing Receivable [Line Items]
Retail loan charge off (in days)				120 days

[1] Beginning January 1, 2020, provision calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

XML

Loans and Allowance for Loan Losses (Loan Portfolio Credit Exposure) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 7,795,552
2019	6,548,989
2018	5,485,282
2017	4,481,251
2016	2,949,117
Prior	5,246,429
Total loans	39,648,824	$ 37,187,814
Deferred fees and costs, net	$ 99,000	25,400
Maximum
Financing Receivable, Credit Quality Indicator [Line Items]
Percent of loan amount	50.00%
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		36,572,183
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		225,218
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		385,862
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,281
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		3,270
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 5,091,756
2019	2,709,233
2018	2,308,392
2017	1,811,863
2016	1,241,836
Prior	2,241,502
Total loans	20,014,151	16,769,370
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,133,426
2019	1,485,698
2018	1,031,148
2017	737,558
2016	587,870
Prior	863,425
Total loans	13,120,038	10,239,559
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	958,330
2019	1,223,535
2018	1,277,244
2017	1,074,305
2016	653,966
Prior	1,378,077
Total loans	6,894,113	6,529,811
Total commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		16,313,114
Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,056,896
2019	1,429,402
2018	974,892
2017	667,989
2016	566,178
Prior	815,006
Total loans	12,620,403	9,927,059
Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	953,513
2019	1,189,845
2018	1,212,541
2017	1,032,744
2016	643,841
Prior	1,338,513
Total loans	6,699,653	6,386,055
Total commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		186,836
Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	49,283
2019	39,929
2018	21,599
2017	33,376
2016	8,404
Prior	7,986
Total loans	224,538	128,506
Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	3,029
2019	19,004
2018	18,746
2017	11,767
2016	3,604
Prior	7,278
Total loans	63,428	58,330
Total commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		268,257
Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	27,247
2019	12,646
2018	14,879
2017	36,007
2016	12,373
Prior	40,342
Total loans	246,374	182,831
Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,788
2019	14,686
2018	36,319
2017	29,794
2016	6,521
Prior	32,286
Total loans	121,394	85,426
Total commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,163
Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	3,721
2018	19,778
2017	186
2016	915
Prior	91
Total loans	28,723	1,163
Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	9,638
2017	0
2016	0
Prior	0
Total loans	9,638	0
Total commercial and industrial | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial and industrial | Loss | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial and industrial | Loss | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2020	987,437
2019	2,644,918
2018	2,551,972
2017	1,742,008
2016	836,405
Prior	1,820,634
Total loans	10,965,875	10,493,784
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	787,023
2019	2,310,640
2018	2,366,419
2017	1,532,611
2016	772,903
Prior	1,623,104
Total loans	9,662,447	9,004,327
Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	141,852
2019	126,990
2018	84,971
2017	96,038
2016	50,411
Prior	103,664
Total loans	655,038	780,015
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	58,562
2019	207,288
2018	100,582
2017	113,359
2016	13,091
Prior	93,866
Total loans	648,390	709,442
Total commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		10,377,892
Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	784,989
2019	2,241,547
2018	2,193,526
2017	1,376,648
2016	606,029
Prior	1,404,524
Total loans	8,846,766	8,930,360
Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	139,919
2019	125,473
2018	80,610
2017	94,889
2016	49,122
Prior	100,984
Total loans	640,591	766,529
Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	56,935
2019	204,012
2018	91,630
2017	106,490
2016	12,564
Prior	90,474
Total loans	620,197	681,003
Total commercial real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		38,382
Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,222
2019	66,438
2018	147,928
2017	141,036
2016	166,053
Prior	129,887
Total loans	682,770	16,490
Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	419
2019	0
2018	524
2017	111
2016	800
Prior	120
Total loans	1,974	3,249
Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	2,172
2018	4,277
2017	5,784
2016	0
Prior	1,828
Total loans	17,611	18,643
Total commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		77,510
Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	812
2019	2,655
2018	24,965
2017	14,927
2016	821
Prior	88,693
Total loans	132,911	57,477
Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,514
2019	1,517
2018	3,837
2017	1,038
2016	489
Prior	2,560
Total loans	12,473	10,237
Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,627
2019	1,104
2018	4,675
2017	1,085
2016	527
Prior	1,564
Total loans	10,582	9,796
Total commercial real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,716,359
2019	1,194,838
2018	624,918
2017	927,380
2016	870,876
Prior	1,184,293
Total loans	8,668,798	9,924,660
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,579,415
2019	965,079
2018	482,495
2017	765,189
2016	758,007
Prior	1,107,335
Total loans	5,658,525	5,546,368
Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,615,207	1,713,157
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	264,829	268,841
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	136,944
2019	229,759
2018	142,423
2017	162,191
2016	112,869
Prior	76,958
Total loans	1,130,237	2,396,294
Total consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		9,881,177
Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,579,366
2019	964,882
2018	481,718
2017	764,384
2016	755,595
Prior	1,102,091
Total loans	5,649,041	5,527,746
Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,600,004	1,697,086
Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	261,207	266,146
Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	136,944
2019	229,039
2018	142,260
2017	161,717
2016	112,805
Prior	76,244
Total loans	1,127,849	2,390,199
Total consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		40,095
Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	49
2019	197
2018	777
2017	805
2016	2,412
Prior	5,170
Total loans	9,410	18,376
Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	13,776	14,806
Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	828	818
Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	720
2018	163
2017	474
2016	64
Prior	714
Total loans	2,388	6,095
Total consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		118
Total consumer | Doubtful | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		97
Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	19	21
Total consumer | Doubtful | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Doubtful | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		3,270
Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	74
Total loans	74	149
Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,408	1,244
Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	2,794	1,877
Total consumer | Loss | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 0
Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	6,989,122
Revolving Loans Amortized Cost Basis | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,548,248
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,219,592
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,656
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,049,741
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,656
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	63,455
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	102,364
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,032
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	382,501
Revolving Loans Amortized Cost Basis | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	269,747
Revolving Loans Amortized Cost Basis | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	51,112
Revolving Loans Amortized Cost Basis | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,642
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	239,503
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	49,594
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	58,092
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	30,206
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,550
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	38
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,518
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,058,373
Revolving Loans Amortized Cost Basis | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,005
Revolving Loans Amortized Cost Basis | Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,523,446
Revolving Loans Amortized Cost Basis | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	264,829
Revolving Loans Amortized Cost Basis | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	269,093
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,005
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,513,600
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	261,207
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	268,840
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	8,603
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	828
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	253
Revolving Loans Amortized Cost Basis | Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,243
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,794
Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	153,082
Revolving Loans Converted to Term Loans | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,321
Revolving Loans Converted to Term Loans | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,321
Revolving Loans Converted to Term Loans | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	60,299
Revolving Loans Converted to Term Loans | Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	506
Revolving Loans Converted to Term Loans | Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	516
Revolving Loans Converted to Term Loans | Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	91,761
Revolving Loans Converted to Term Loans | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	91,761
Revolving Loans Converted to Term Loans | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	86,404
Revolving Loans Converted to Term Loans | Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,173
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	19
Revolving Loans Converted to Term Loans | Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	165
Revolving Loans Converted to Term Loans | Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 0

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Loans and Allowance for Loan Losses (Schedule of Allowances for Loan Losses and Recorded Investment in Loans) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member			us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member
Allowance for loan losses:
Beginning balance	$ 281,402	$ 588,648	$ 257,376	$ 281,402	$ 250,555
Charge-offs		(35,346)	(24,726)	(89,999)	(62,290)
Recoveries		6,880	4,801	17,426	13,498
Provision for loan losses		43,618	27,562	311,977	63,250
Ending balance	281,402	603,800	265,013	603,800	265,013
Impact from Adoption
Allowance for loan losses:
Beginning balance	82,994			82,994
Ending balance	82,994
Commercial & Industrial
Allowance for loan losses:
Beginning balance		229,915	138,004		133,123
Charge-offs		(19,367)	(15,425)	(57,497)	(39,558)
Recoveries		3,796	2,276	8,798	6,087
Provision for loan losses		46,256	17,156	165,827	42,359
Ending balance	145,782	260,600	142,011	260,600	142,011
Commercial & Industrial | Impact from Adoption
Allowance for loan losses:
Beginning balance	(2,310)			(2,310)
Ending balance	(2,310)
Commercial Real Estate
Allowance for loan losses:
Beginning balance		171,526	63,463		68,796
Charge-offs		(6,878)	(3,275)	(8,585)	(5,369)
Recoveries		1,225	1,490	2,160	3,788
Provision for loan losses		(22,068)	280	83,451	(5,257)
Ending balance	67,430	143,805	61,958	143,805	61,958
Commercial Real Estate | Impact from Adoption
Allowance for loan losses:
Beginning balance	(651)			(651)
Ending balance	(651)
Consumer
Allowance for loan losses:
Beginning balance		187,207	55,909		48,636
Charge-offs		(9,101)	(6,026)	(23,917)	(17,363)
Recoveries		1,859	1,035	6,468	3,623
Provision for loan losses		19,430	10,126	62,699	26,148
Ending balance	68,190	$ 199,395	$ 61,044	199,395	$ 61,044
Consumer | Impact from Adoption
Allowance for loan losses:
Beginning balance	85,955			$ 85,955
Ending balance	$ 85,955

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Loans and Allowance for Loan Losses (Troubled Debt Restructurings) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) Contract	Sep. 30, 2019 USD ($) Contract	Sep. 30, 2020 USD ($) Contract	Sep. 30, 2019 USD ($) Contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	80	105	280	241
Recorded Investment	$ 8,144,000	$ 14,621,000	$ 60,492,000	$ 31,352,000
Net charge-offs	$ 0	$ 0	$ 0	$ 0
Total commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	49	34	137	74
Recorded Investment	$ 5,758,000	$ 8,177,000	$ 18,346,000	$ 15,822,000
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	42	27	118	61
Recorded Investment	$ 4,005,000	$ 4,494,000	$ 13,243,000	$ 10,107,000
Total commercial and industrial | Owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	7	7	19	13
Recorded Investment	$ 1,753,000	$ 3,683,000	$ 5,103,000	$ 5,715,000
Total commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	8	9	24	23
Recorded Investment	$ 615,000	$ 1,624,000	$ 31,609,000	$ 3,761,000
Total commercial real estate | Investment properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	2	4	6	6
Recorded Investment	$ 387,000	$ 385,000	$ 29,056,000	$ 1,048,000
Total commercial real estate | 1-4 family properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	5	4	15	14
Recorded Investment	$ 188,000	$ 766,000	$ 1,972,000	$ 2,072,000
Total commercial real estate | Land and development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	1	1	3	3
Recorded Investment	$ 40,000	$ 473,000	$ 581,000	$ 641,000
Total consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	23	62	119	144
Recorded Investment	$ 1,771,000	$ 4,820,000	$ 10,537,000	$ 11,769,000
Total consumer | Consumer mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	3	10	19	15
Recorded Investment	$ 519,000	$ 1,126,000	$ 4,157,000	$ 2,577,000
Total consumer | Home equity lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	17	25	50	50
Recorded Investment	$ 1,119,000	$ 1,999,000	$ 3,456,000	$ 4,426,000
Total consumer | Other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | Contract	3	27	50	79
Recorded Investment	$ 133,000	$ 1,695,000	$ 2,924,000	$ 4,766,000
Below Market Interest Rate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	6,511,000	8,868,000	45,185,000	19,416,000
Below Market Interest Rate | Total commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	5,088,000	5,399,000	12,135,000	10,557,000
Below Market Interest Rate | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	3,335,000	2,577,000	8,562,000	5,703,000
Below Market Interest Rate | Total commercial and industrial | Owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	1,753,000	2,822,000	3,573,000	4,854,000
Below Market Interest Rate | Total commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	408,000	1,624,000	30,411,000	3,761,000
Below Market Interest Rate | Total commercial real estate | Investment properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	294,000	385,000	28,963,000	1,048,000
Below Market Interest Rate | Total commercial real estate | 1-4 family properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	74,000	766,000	867,000	2,072,000
Below Market Interest Rate | Total commercial real estate | Land and development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	40,000	473,000	581,000	641,000
Below Market Interest Rate | Total consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	1,015,000	1,845,000	2,639,000	5,098,000
Below Market Interest Rate | Total consumer | Consumer mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	496,000	1,008,000	1,568,000	1,245,000
Below Market Interest Rate | Total consumer | Home equity lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	471,000	364,000	926,000	2,686,000
Below Market Interest Rate | Total consumer | Other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	48,000	473,000	145,000	1,167,000
Other Concessions
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	1,633,000	5,753,000	15,307,000	11,936,000
Other Concessions | Total commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	670,000	2,778,000	6,211,000	5,265,000
Other Concessions | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	670,000	1,917,000	4,681,000	4,404,000
Other Concessions | Total commercial and industrial | Owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	0	861,000	1,530,000	861,000
Other Concessions | Total commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	207,000	0	1,198,000	0
Other Concessions | Total commercial real estate | Investment properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	93,000	0	93,000	0
Other Concessions | Total commercial real estate | 1-4 family properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	114,000	0	1,105,000	0
Other Concessions | Total commercial real estate | Land and development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	0	0	0	0
Other Concessions | Total consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	756,000	2,975,000	7,898,000	6,671,000
Other Concessions | Total consumer | Consumer mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	23,000	118,000	2,589,000	1,332,000
Other Concessions | Total consumer | Home equity lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	648,000	1,635,000	2,530,000	1,740,000
Other Concessions | Total consumer | Other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Recorded Investment	$ 85,000	$ 1,222,000	$ 2,779,000	$ 3,599,000

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Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Goodwill [Roll Forward]
Balance as of December 31, 2019		$ 497,267
Goodwill impairment		(44,877)	$ 0
Balance as of September 30, 2020	$ 452,390	452,390
Community Banking Reporting Unit
Goodwill [Roll Forward]
Balance as of December 31, 2019		256,323
Goodwill impairment		0
Balance as of September 30, 2020	256,323	256,323
Wholesale Banking Reporting Unit
Goodwill [Roll Forward]
Balance as of December 31, 2019		171,636
Goodwill impairment		0
Balance as of September 30, 2020	171,636	171,636
Consumer Mortgage Reporting Unit
Goodwill [Roll Forward]
Balance as of December 31, 2019		44,877
Goodwill impairment	(44,900)	(44,877)
Balance as of September 30, 2020	0	0
Wealth Management Reporting Unit
Goodwill [Roll Forward]
Balance as of December 31, 2019		24,431
Goodwill impairment		0
Balance as of September 30, 2020	$ 24,431	$ 24,431

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Goodwill and Other Intangible Assets (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) reporting_unit	Sep. 30, 2019 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reporting units | reporting_unit			2
Percent of income-based discounted cash flow approach used	60.00%
Percent of market-based approach used	40.00%
Goodwill impairment			$ 44,877	$ 0
Reporting unit, percentage of fair value in excess of carrying amount	10.00%		10.00%
Amortization expense	$ 2,600	$ 2,900	$ 7,900	$ 8,700
FCB Financial Holdings, Inc. | CDI
Business Acquisition [Line Items]
Useful life			10 years

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Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 69,900	$ 69,900
Accumulated Amortization	(22,148)	(14,229)
Net Carrying Value	47,752	55,671
CDI
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	57,400	57,400
Accumulated Amortization	(17,481)	(10,436)
Net Carrying Value	39,919	46,964
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,500	12,500
Accumulated Amortization	(4,667)	(3,793)
Net Carrying Value	$ 7,833	$ 8,707

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Shareholders' Equity and Other Comprehensive Income (Loss) (Narrative) (Details) - Common Stock $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) $ / shares shares
Class of Stock [Line Items]
Share repurchased | $	$ 16.2
Shares repurchased (in shares) | shares	450
Share repurchased (in dollars per share) | $ / shares	$ 36.08

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Shareholders' Equity and Other Comprehensive Income (Loss) (Dividends) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Equity [Abstract]
Cash dividends declared per share (in dollars per share)	$ 0.33	$ 0.30	$ 0.99	$ 0.90

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Shareholders' Equity and Other Comprehensive Income (Loss) (Stock Option) (Details) - $ / shares shares in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Quantity
Options outstanding (in shares)	2,734	3,037
Exercised (in shares)	(239)
Expired/canceled (in shares)	(64)
Weighted-Average Exercise Price Per Share
Weighted-average exercise price, options (in dollars per share)	$ 22.09	$ 22.74
Exercised (in dollars per share)	28.28
Expired/canceled (in dollars per share)	$ 29.75

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Shareholders' Equity and Other Comprehensive Income (Loss) (Non-vested Shares/Units) (Details) shares in Thousands	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Quantity
Non-vested, beginning balance (in shares) | shares	1,312
Granted (in shares) | shares	893
Quantity change by TSR factor (in shares) | shares	44
Dividend equivalents granted (in shares) | shares	56
Vested (in shares) | shares	(590)
Forfeited (in shares) | shares	(58)
Non-vested, ending balance (in shares) | shares	1,657
Weighted-Average Grant Date Fair Value Per Share
Non-vested, beginning balance (in dollars per share) | $ / shares	$ 39.28
Granted (in dollars per share) | $ / shares	32.91
Quantity change by TSR factor (in dollars per share) | $ / shares	35.11
Dividend equivalents granted (in dollars per share) | $ / shares	33.50
Vested (in dollars per share) | $ / shares	38.85
Forfeited (in dollars per share) | $ / shares	36.22
Non-vested, ending balance (in dollars per share) | $ / shares	$ 35.80

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Shareholders' Equity and Other Comprehensive Income (Loss) (Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Balance	$ 5,052,968	$ 4,753,816	$ 4,941,690	$ 3,133,602
Other comprehensive income (loss), Net of Tax Amount	(28,056)	26,644	109,273	170,353
Balance	5,064,542	4,868,838	5,064,542	4,868,838
Accumulated other comprehensive income (loss)	(174,914)		(174,914)		$ (65,641)
Total
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Balance	202,970	49,289	65,641	(94,420)
Other comprehensive income (loss) before reclassifications	(28,441)	23,879	167,082	166,332
Amounts reclassified from AOCI	385	2,765	(57,809)	4,021
Other comprehensive income (loss), Net of Tax Amount	(28,056)	26,644	109,273	170,353
Balance	174,914	75,933	174,914	75,933
Net unrealized gains (losses) on investment securities available for sale
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Balance	134,245	60,586	83,666	(83,179)
Other comprehensive income (loss) before reclassifications	(21,806)	25,133	86,678	167,586
Amounts reclassified from AOCI	1,149	2,765	(56,756)	4,077
Other comprehensive income (loss), Net of Tax Amount	(20,657)	27,898	29,922	171,663
Balance	113,588	88,484	113,588	88,484
Net unrealized gains (losses) on investment securities available for sale | Valuation Allowance of Deferred Tax Assets
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Accumulated other comprehensive income (loss)	13,300		13,300
Net unrealized gains (losses) on cash flow hedges
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Balance	68,263	(12,137)	(18,487)	(12,137)
Other comprehensive income (loss) before reclassifications	(6,635)	(876)	80,404	(876)
Amounts reclassified from AOCI	(764)	0	(1,053)	0
Other comprehensive income (loss), Net of Tax Amount	(7,399)	(876)	79,351	(876)
Balance	60,864	(13,013)	60,864	(13,013)
Post-retirement unfunded health benefit
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Balance	462	840	462	896
Other comprehensive income (loss) before reclassifications	0	(378)	0	(378)
Amounts reclassified from AOCI	0	0	0	(56)
Other comprehensive income (loss), Net of Tax Amount	0	(378)	0	(434)
Balance	462	$ 462	462	$ 462
Net unrealized losses on cash flow hedges | Valuation Allowance of Deferred Tax Assets
Changes in Accumulated Other Comprehensive Income (Loss) by Component [Roll Forward]
Accumulated other comprehensive income (loss)	$ 12,100		$ 12,100

XML

Fair Value Accounting (Financial Instruments Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		$ 7,212
Investment securities available for sale	$ 7,566,525	6,778,670
Mortgages Held-for-sale, Fair Value Disclosure		115,173
Private equity investments		19,389
GGL/SBA loans servicing asset		3,040
Derivative assets		140,016
Earnout liability		11,016
Derivative liabilities		37,071
Mortgage-backed securities issued by U.S. Government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	1,129,392	56,816
Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	354,157	371,592
State and municipal securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	501	2,075
Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale		327,400
U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	20,254	19,855
Mortgage-backed securities issued by U.S. Government sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	4,540,386	5,180,815
Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	1,345,284	636,851
Corporate debt securities and other debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	19,937	146,725
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	20,254	19,855
Private equity investments	0	15,502
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
GGL/SBA loans servicing asset	0	0
Derivative assets	0	0
Trading liability for short positions		1,560
Earnout liability	0	0
Derivative liabilities	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	4,371	7,212
Investment securities available for sale	7,544,471	6,756,710
Mortgages Held-for-sale, Fair Value Disclosure	285,899
Private equity investments	0	0
Mutual funds and mutual funds held in rabbi trusts	0	0
GGL/SBA loans servicing asset	0	0
Derivative assets	463,028	140,016
Trading liability for short positions		0
Earnout liability	0	0
Derivative liabilities	178,508	34,732
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	1,800	2,105
Private equity investments	958	3,887
Mutual funds and mutual funds held in rabbi trusts	0	0
GGL/SBA loans servicing asset	3,100	3,040
Derivative assets	0	0
Trading liability for short positions		0
Earnout liability	15,924	11,016
Derivative liabilities	1,460	2,339
Fair Value, Measurements, Recurring Basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	4,371
Mortgages Held-for-sale, Fair Value Disclosure	285,899
Private equity investments	958
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
GGL/SBA loans servicing asset	3,100
Derivative assets	463,028
Trading liability for short positions		1,560
Earnout liability	15,924
Derivative liabilities	179,968
Fair Value, Measurements, Recurring Basis | Mortgage-backed securities issued by U.S. Government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	18
Investment securities available for sale	1,129,392	56,816
Fair Value, Measurements, Recurring Basis | Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	604	2,486
Investment securities available for sale	354,157	371,592
Fair Value, Measurements, Recurring Basis | Other mortgage-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	673	1,284
Fair Value, Measurements, Recurring Basis | State and municipal securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	579	65
Investment securities available for sale	501	2,075
Fair Value, Measurements, Recurring Basis | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	2,497	3,227
Investment securities available for sale		327,400
Fair Value, Measurements, Recurring Basis | Other investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		150
Fair Value, Measurements, Recurring Basis | U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	20,254	19,855
Fair Value, Measurements, Recurring Basis | U.S. Government agency securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	156,614	36,541
Fair Value, Measurements, Recurring Basis | Mortgage-backed securities issued by U.S. Government sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	4,540,386	5,180,815
Fair Value, Measurements, Recurring Basis | Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	1,345,284	636,851
Fair Value, Measurements, Recurring Basis | Corporate debt securities and other debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	19,937	146,725
Fair Value, Measurements, Recurring Basis | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0
Mortgages Held-for-sale, Fair Value Disclosure	0	0
Private equity investments	0	15,502
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
GGL/SBA loans servicing asset	0	0
Derivative assets	0
Trading liability for short positions		1,560
Earnout liability	0	0
Derivative liabilities	0
Fair Value, Measurements, Recurring Basis | Level 1 | Mortgage-backed securities issued by U.S. Government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Other mortgage-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | State and municipal securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale		0
Fair Value, Measurements, Recurring Basis | Level 1 | Other investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		0
Fair Value, Measurements, Recurring Basis | Level 1 | U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	20,254
Fair Value, Measurements, Recurring Basis | Level 1 | U.S. Government agency securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Mortgage-backed securities issued by U.S. Government sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 1 | Corporate debt securities and other debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	4,371
Mortgages Held-for-sale, Fair Value Disclosure	285,899	115,173
Private equity investments	0	0
Mutual funds and mutual funds held in rabbi trusts	0	0
GGL/SBA loans servicing asset	0	0
Derivative assets	463,028
Trading liability for short positions		0
Earnout liability	0	0
Derivative liabilities	178,508
Fair Value, Measurements, Recurring Basis | Level 2 | Mortgage-backed securities issued by U.S. Government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	18
Investment securities available for sale	1,129,392	56,816
Fair Value, Measurements, Recurring Basis | Level 2 | Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		2,486
Investment securities available for sale	354,157	371,592
Fair Value, Measurements, Recurring Basis | Level 2 | Other mortgage-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	673	1,284
Fair Value, Measurements, Recurring Basis | Level 2 | State and municipal securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	579	65
Investment securities available for sale	501	2,075
Fair Value, Measurements, Recurring Basis | Level 2 | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	2,497	3,227
Investment securities available for sale		327,400
Fair Value, Measurements, Recurring Basis | Level 2 | Other investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		150
Fair Value, Measurements, Recurring Basis | Level 2 | U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 2 | U.S. Government agency securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	156,614	36,541
Fair Value, Measurements, Recurring Basis | Level 2 | Mortgage-backed securities issued by U.S. Government sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	4,540,386	5,180,815
Fair Value, Measurements, Recurring Basis | Level 2 | Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	604
Investment securities available for sale	1,345,284	636,851
Fair Value, Measurements, Recurring Basis | Level 2 | Corporate debt securities and other debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	18,137	144,620
Fair Value, Measurements, Recurring Basis | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0
Investment securities available for sale	1,800	2,105
Mortgages Held-for-sale, Fair Value Disclosure	0	0
Private equity investments	958	3,887
Mutual funds and mutual funds held in rabbi trusts	0	0
GGL/SBA loans servicing asset	3,100	3,040
Derivative assets	0
Trading liability for short positions		0
Earnout liability	15,924	11,016
Derivative liabilities	1,460
Fair Value, Measurements, Recurring Basis | Level 3 | Mortgage-backed securities issued by U.S. Government agencies
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Commercial mortgage-backed securities issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Other mortgage-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | State and municipal securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Investment securities available for sale		0
Fair Value, Measurements, Recurring Basis | Level 3 | Other investments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities		0
Fair Value, Measurements, Recurring Basis | Level 3 | U.S. Treasury securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | U.S. Government agency securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Mortgage-backed securities issued by U.S. Government sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Collateralized mortgage obligations issued by U.S. Government agencies or sponsored enterprises
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	0	0
Fair Value, Measurements, Recurring Basis | Level 3 | Corporate debt securities and other debt securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities available for sale	$ 1,800	$ 2,105

XML

Fair Value Accounting (Mortgage Loans Held for Sale and Changes in Fair Value Included in Consolidated Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Fair Value Disclosures [Abstract]
Unpaid principal balance	$ 276,709		$ 276,709		$ 112,218
Fair value less aggregate unpaid principal balance	9,190		9,190		$ 2,955
Mortgage loans held for sale	$ 251	$ 892	$ 6,235	$ 1,593

XML

Fair Value Accounting (Changes in Level 3 Fair Value Measurements) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
GGL / SBA Loans Servicing Asset
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 3,019	$ 3,326	$ 3,040	$ 3,729
Included in earnings	(187)	(298)	(742)	(1,091)
Unrealized gains (losses) included in OCI	0	0	0	0
Additions	268	322	802	712
Settlements	0	0	0	0
Ending balance	3,100	3,350	3,100	3,350
Total net losses for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	0	0	0
Earnout Liability
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(15,924)	(14,353)	(11,016)	(14,353)
Included in earnings	0	(10,457)	(4,908)	(10,457)
Unrealized gains (losses) included in OCI	0	0	0	0
Additions	0	0	0	0
Settlements	0	0	0	0
Ending balance	(15,924)	(24,810)	(15,924)	(24,810)
Total net losses for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	(10,457)	(4,908)	(10,457)
Visa Derivative
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	(1,755)	(1,049)	(2,339)	(1,673)
Included in earnings	0	(2,500)	0	(2,500)
Unrealized gains (losses) included in OCI	0	0	0	0
Additions	0	0	0	0
Settlements	295	214	879	838
Ending balance	(1,460)	(3,335)	(1,460)	(3,335)
Total net losses for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	(2,500)	0	(2,500)
Investment Securities Available for Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,662	2,017	2,105	1,785
Included in earnings	0	0		0
Unrealized gains (losses) included in OCI	138	(26)	(305)	206
Additions	0	0	0	0
Settlements	0	0	0	0
Ending balance	1,800	1,991	1,800	1,991
Total net losses for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	0	0	0	0
Private Equity Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	698	13,341	3,887	11,028
Included in earnings	260	1,194	(2,929)	3,507
Unrealized gains (losses) included in OCI	0	0	0	0
Additions	0	0	0	0
Settlements	0	(3,246)	0	(3,246)
Ending balance	958	11,289	958	11,289
Total net losses for the period included in earnings attributable to the change in unrealized losses relating to assets/liabilities still held	$ 260	$ 777	$ (2,929)	$ 3,090

XML

Fair Value Accounting (Fair Value Inputs, Assets, Quantitative Information) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Investment Securities Available for Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset measured with unobservable inputs	$ 1,800	$ 1,800	$ 1,662	$ 2,105	$ 1,991	$ 2,017	$ 1,785
Private Equity Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset measured with unobservable inputs	958	958	$ 698	$ 3,887	$ 11,289	$ 13,341	$ 11,028
Fair Value, Measurements, Recurring Basis | Level 3 | Investment Securities Available for Sale | Discounted cash flow analysis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset measured with unobservable inputs	1,800	$ 1,800
Discount rate		5.83%
Forecasted average Prime reset rate		3.79%
Fair Value, Measurements, Recurring Basis | Level 3 | Private Equity Investments | Individual analysis of each investee company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset measured with unobservable inputs	958	$ 958
Fair Value, Measurements, Recurring Basis | Level 3 | GGL/SBA loans servicing asset | Discounted cash flow analysis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset measured with unobservable inputs	$ 3,100	3,100
Discount rate	9.68%
Prepayment speeds	19.20%
Fair Value, Measurements, Recurring Basis | Level 3 | Earnout liability | Option pricing methods and Monte Carlo simulation
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure	$ 15,924	15,924
Fair Value, Measurements, Recurring Basis | Level 3 | Visa derivative liability | Discounted cash flow analysis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value disclosure	$ 1,460	$ 1,460
Estimated timing of resolution of Covered Litigation and future cumulative deposits to the litigation escrow for settlement of the Covered Litigation		1 year 2 months 12 days
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Loans | Third-party appraised value of real estate less estimated selling costs | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		0.00%
Estimated selling costs		0.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Loans | Third-party appraised value of real estate less estimated selling costs | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		36.00%
Estimated selling costs		10.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Loans | Third-party appraised value of real estate less estimated selling costs | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		28.00%
Estimated selling costs		7.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other real estate | Third-party appraised value of real estate less estimated selling costs | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		0.00%
Estimated selling costs		0.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other real estate | Third-party appraised value of real estate less estimated selling costs | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		20.00%
Estimated selling costs		10.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other real estate | Third-party appraised value of real estate less estimated selling costs | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		10.00%
Estimated selling costs		7.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other Assets Held for Sale [Member] | Third-party appraised value less estimated selling costs or BOV | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		0.00%
Estimated selling costs		0.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other Assets Held for Sale [Member] | Third-party appraised value less estimated selling costs or BOV | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		66.00%
Estimated selling costs		10.00%
Fair Value, Measurements, Nonrecurring Basis | Level 3 | Other Assets Held for Sale [Member] | Third-party appraised value less estimated selling costs or BOV | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rate		53.00%
Estimated selling costs		7.00%

XML

Fair Value Accounting (Assets Measured at Fair Value on Non-Recurring Basis) (Details) - Fair Value, Measurements, Nonrecurring Basis - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	$ 27,440	$ 1,461
Other real estate	1,750	8,023
MPS receivable	17,915	21,437
Other assets held for sale	1,634	1,238
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Other real estate	0	0
MPS receivable	0	0
Other assets held for sale	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Other real estate	0	0
MPS receivable	0	0
Other assets held for sale	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	27,440	1,461
Other real estate	1,750	8,023
MPS receivable	17,915	21,437
Other assets held for sale	$ 1,634	$ 1,238

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Fair Value Accounting (Fair Value Adjustments Recognized in Earnings for Assets Measured at Fair Value on a Non-recurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Fair Value Disclosures [Abstract]
Other real estate	$ 5,400		$ 5,400		$ 14,400
Fair Value, Measurements, Nonrecurring Basis | Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value adjustment	5,661	$ 4,170	20,412	$ 4,718
Fair Value, Measurements, Nonrecurring Basis | Other real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value adjustment	107	74	138	569
Fair Value, Measurements, Nonrecurring Basis | MPS receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value adjustment	0	0	2,663	0
Fair Value, Measurements, Nonrecurring Basis | Other assets held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value adjustment	$ 0	$ 0	$ 2,120	$ 91

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Fair Value Accounting (Carrying and Estimated Fair Values of Financial Instruments Carried on Balance Sheet) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial assets
Trading securities		$ 7,212
Investment securities available for sale	$ 7,566,525	6,778,670
Private equity investments		19,389
GGL/SBA loans servicing asset		3,040
Derivative assets		140,016
Financial liabilities
Non-interest-bearing deposits	13,075,081	9,439,485
Total deposits	44,665,904	38,405,504
Federal funds purchased and securities sold under repurchase agreements	202,344	165,690
Other short-term borrowings	400,000	1,753,560
Long-term debt	1,628,385	2,153,897
Earnout liability		11,016
Derivative liabilities		37,071
Level 1
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,985,363	1,186,918
Trading securities	0	0
Investment securities available for sale	20,254	19,855
Loans receivable held-for-sale	0	0
Private equity investments	0	15,502
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
Loans, net	0	0
GGL/SBA loans servicing asset	0	0
Derivative assets	0	0
Financial liabilities
Non-interest-bearing deposits	0	0
Non-time interest-bearing deposits	0	0
Time deposits	0	0
Total deposits	0	0
Federal funds purchased and securities sold under repurchase agreements	202,344	165,690
Trading liability for short positions		1,560
Other short-term borrowings	0	0
Long-term debt	0	0
Earnout liability	0	0
Derivative liabilities	0	0
Level 2
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	0	0
Trading securities	4,371	7,212
Investment securities available for sale	7,544,471	6,756,710
Loans receivable held-for-sale		115,173
Private equity investments	0	0
Mutual funds and mutual funds held in rabbi trusts	0	0
Loans, net	0	0
GGL/SBA loans servicing asset	0	0
Derivative assets	463,028	140,016
Financial liabilities
Non-interest-bearing deposits	13,075,081	9,439,485
Non-time interest-bearing deposits	24,831,480	19,891,711
Time deposits	6,797,139	9,112,459
Total deposits	44,703,700	38,443,655
Federal funds purchased and securities sold under repurchase agreements	0	0
Trading liability for short positions		0
Other short-term borrowings	400,000	1,752,000
Long-term debt	1,687,448	2,185,717
Earnout liability	0	0
Derivative liabilities	178,508	34,732
Level 3
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	0	0
Trading securities	0	0
Investment securities available for sale	1,800	2,105
Loans receivable held-for-sale	458,716	0
Private equity investments	958	3,887
Mutual funds and mutual funds held in rabbi trusts	0	0
Loans, net	38,923,265	36,931,256
GGL/SBA loans servicing asset	3,100	3,040
Derivative assets	0	0
Financial liabilities
Non-interest-bearing deposits	0	0
Non-time interest-bearing deposits	0	0
Time deposits	0	0
Total deposits	0	0
Federal funds purchased and securities sold under repurchase agreements	0	0
Trading liability for short positions		0
Other short-term borrowings	0	0
Long-term debt	0	0
Earnout liability	15,924	11,016
Derivative liabilities	1,460	2,339
Carrying Value
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,985,363	1,186,918
Trading securities	4,371	7,212
Investment securities available for sale	7,566,525	6,778,670
Loans receivable held-for-sale	745,160	115,173
Private equity investments	958	19,389
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
Loans, net	38,946,047	36,881,048
GGL/SBA loans servicing asset	3,100	3,040
Derivative assets	463,028	140,016
Financial liabilities
Non-interest-bearing deposits	13,075,081	9,439,485
Non-time interest-bearing deposits	24,831,480	19,891,711
Time deposits	6,759,343	9,074,308
Total deposits	44,665,904	38,405,504
Federal funds purchased and securities sold under repurchase agreements	202,344	165,690
Trading liability for short positions		1,560
Other short-term borrowings	400,000	1,752,000
Long-term debt	1,628,385	2,153,897
Earnout liability	15,924	11,016
Derivative liabilities	179,968	37,071
Fair Value
Financial assets
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,985,363	1,186,918
Trading securities	4,371	7,212
Investment securities available for sale	7,566,525	6,778,670
Loans receivable held-for-sale	744,615	115,173
Private equity investments	958	19,389
Mutual funds and mutual funds held in rabbi trusts	35,174	32,348
Loans, net	38,923,265	36,931,256
GGL/SBA loans servicing asset	3,100	3,040
Derivative assets	463,028	140,016
Financial liabilities
Non-interest-bearing deposits	13,075,081	9,439,485
Non-time interest-bearing deposits	24,831,480	19,891,711
Time deposits	6,797,139	9,112,459
Total deposits	44,703,700	38,443,655
Federal funds purchased and securities sold under repurchase agreements	202,344	165,690
Trading liability for short positions		1,560
Other short-term borrowings	400,000	1,752,000
Long-term debt	1,687,448	2,185,717
Earnout liability	15,924	11,016
Derivative liabilities	$ 179,968	$ 37,071

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Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Unrealized gains, before tax	$ (8,954,000)		$ (1,182,000)	$ 108,508,000	$ (1,182,000)
Unrealized gain, after tax	(6,635,000)		$ (876,000)	80,404,000	$ (876,000)
Income recognized	1,000,000.0			1,400,000
Cash flow hedge gain (loss) to be reclassified				40,000,000
Cash flow hedge termination gain				5,000,000
Collateral requirements	159,800,000			159,800,000		$ 84,600,000
Variation margin, amount reducing derivative asset	187,000,000.0			187,000,000.0		113,700,000
Foreign Currency Exchange Forwards
Derivative [Line Items]
Notional amount	$ 25,100,000			$ 25,100,000		$ 32,900,000
Cash Flow Hedges
Derivative [Line Items]
Unrealized gains, before tax		$ 9,800,000
Unrealized gain, after tax		$ 7,300,000

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Derivative Instruments and Hedging Activities (Impact of Derivatives on Balance Sheet) (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Derivatives not designated as hedging instruments
Derivative [Line Items]
Fair Value of Derivative Assets	$ 372,912,000	$ 139,962,000
Fair Value of Derivative Liabilities	179,968,000	28,447,000
Derivatives not designated as hedging instruments | Interest rate contracts
Derivative [Line Items]
Notional Amount	8,761,038,000	7,258,159,000
Fair Value of Derivative Assets	362,700,000	138,672,000
Fair Value of Derivative Liabilities	176,338,000	25,849,000
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Notional Amount	451,953,000	70,481,000
Fair Value of Derivative Assets	10,212,000	1,290,000
Fair Value of Derivative Liabilities	0	0
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans
Derivative [Line Items]
Notional Amount	492,500,000	107,000,000
Fair Value of Derivative Assets	0	0
Fair Value of Derivative Liabilities	1,793,000	168,000
Derivatives not designated as hedging instruments | Other contracts
Derivative [Line Items]
Notional Amount	186,074,000	145,764,000
Fair Value of Derivative Assets	0	0
Fair Value of Derivative Liabilities	377,000	91,000
Derivatives not designated as hedging instruments | Visa derivative
Derivative [Line Items]
Fair Value of Derivative Assets	0	0
Fair Value of Derivative Liabilities	1,460,000	2,339,000
Derivatives not designated as hedging instruments | Risk derivative
Derivative [Line Items]
Notional Amount	2,700,000	3,000,000.0
Cash flow hedges
Derivative [Line Items]
Fair Value of Derivative Assets	90,116,000	54,000
Fair Value of Derivative Liabilities	0	8,624,000
Cash flow hedges | Interest rate contracts
Derivative [Line Items]
Notional Amount	2,750,000,000	2,000,000,000
Fair Value of Derivative Assets	90,116,000	54,000
Fair Value of Derivative Liabilities	$ 0	$ 8,624,000

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Derivative Instruments and Hedging Activities (Effect of Cash Flow Hedges on Consolidated Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Total amounts presented in the consolidated statements of income in interest income on loans	$ 8,509	$ 0	$ 13,595	$ 0
Investment securities available for sale, at fair value	7,566,525		7,566,525		$ 6,778,670
Fair Value, Measurements, Recurring Basis | U.S. Government agency securities
Derivative [Line Items]
Investment securities available for sale, at fair value	156,614		156,614		36,541
Level 1
Derivative [Line Items]
Investment securities available for sale, at fair value	20,254		20,254		19,855
Level 1 | Fair Value, Measurements, Recurring Basis | U.S. Government agency securities
Derivative [Line Items]
Investment securities available for sale, at fair value	0		0		$ 0
Interest rate contracts | Cash Flow Hedges
Derivative [Line Items]
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans	1,031	0	1,421
Pre-tax income recognized on cash flow hedges	$ 1,031	$ 0	$ 1,421	$ 0

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Derivative Instruments and Hedging Activities (Effect of Fair Value Hedges on Consolidated Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Swap
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income		$ 2,500
Derivatives not designated as hedging instruments
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	$ 2,359		$ (1,431)	$ 7,237	$ (621)
Derivatives not designated as hedging instruments | Interest rate contracts | Capital markets income
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	176		549	225	640
Derivatives not designated as hedging instruments | Other contracts | Capital markets income
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	47		(144)	(286)	(144)
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - interest rate lock commitments | Mortgage banking income
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	2,532		22	8,922	970
Derivatives not designated as hedging instruments | Mortgage derivatives | Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans | Mortgage banking income
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	(396)		642	(1,624)	413
Derivatives not designated as hedging instruments | Visa derivative | Other non-interest expense
Derivative [Line Items]
Gain (Loss) Recognized in Consolidated Statements of Income	$ 0		$ (2,500)	$ 0	$ (2,500)

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Net Income Per Common Share (Schedule of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Basic Net Income Per Common Share:
Net income available to common shareholders	$ 83,283	$ 127,435	$ 198,414	$ 397,505
Weighted average common shares outstanding (in shares)	147,314	152,238	147,304	156,819
Net income per common share, basic (in dollars per share)	$ 0.57	$ 0.84	$ 1.35	$ 2.53
Diluted Net Income Per Common Share:
Net income available to common shareholders	$ 83,283	$ 127,435	$ 198,414	$ 397,505
Weighted average common shares outstanding (in shares)	147,314	152,238	147,304	156,819
Effect of dilutive outstanding equity-based awards, warrants, and earnout payments (in shares)	662	1,805	733	1,776
Weighted average number of diluted common shares (in shares)	147,976	154,043	148,037	158,595
Net income per common share, diluted (in dollars per share)	$ 0.56	$ 0.83	$ 1.34	$ 2.51

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Net Income Per Common Share (Narrative) (Details) - shares shares in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Potentially dilutive shares (in shares)	758	40

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Commitments and Contingencies (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jan. 01, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member			us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member
Total allowance for loan losses	$ 281,402,000	$ 603,800,000	$ 265,013,000	$ 603,800,000	$ 265,013,000	$ 588,648,000		$ 281,402,000	$ 257,376,000	$ 250,555,000
Carrying amount included in other assets		214,615,000		214,615,000				146,612,000
Amount of future funding commitments included in carrying amount		124,866,000		124,866,000				78,266,000
Permanent and short-term construction loans and letter of credit commitments		52,686,000		52,686,000				2,124,000
Funded portion of permanent and short-term loans and letters of credit		5,194,000		5,194,000				3,196,000
Contractual amount net of risk participations		31,000,000		31,000,000				33,000,000
Guarantor obligations, advanced payment from merchant		20,600,000		20,600,000				21,400,000
Guarantor obligations, advanced payment from merchant, reserve							$ 2,700,000
Minimum
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		0		0
Maximum
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		5,000,000		5,000,000
Other assets held for sale
Loss Contingencies [Line Items]
Guarantor obligations, advanced payment from merchant		17,900,000		17,900,000
Guarantee obligations
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		14,091,035,000		14,091,035,000				13,117,770,000
Maximum potential exposure for sponsored transactions		20,230,000,000	$ 19,130,000,000	55,470,000,000	$ 55,720,000,000
Letters of credit
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		177,000,000		177,000,000				202,614,000
Commitments to fund commercial and industrial loans
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		7,990,189,000		7,990,189,000				7,018,152,000
Commitments to fund commercial real estate, construction, and land development loans
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		2,891,857,000		2,891,857,000				3,032,252,000
Commitments under home equity lines of credit
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		1,588,844,000		1,588,844,000				1,501,452,000
Unused credit card lines
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		984,636,000		984,636,000				877,929,000
Other loan commitments
Loss Contingencies [Line Items]
Total letters of credit and unfunded lending commitments		458,509,000		458,509,000				485,371,000
Unfunded Loan Commitment
Loss Contingencies [Line Items]
Current expected credit losses	$ 27,400,000
Total allowance for loan losses		$ 60,800,000		$ 60,800,000				$ 1,400,000

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Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) employee	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) employee segment	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) employee
Segment Reporting [Abstract]
Number of reportable segments | segment			3
Income Statement Related Disclosures [Abstract]
Net interest income	$ 376,990	$ 402,097	$ 1,126,816	$ 1,196,535
Non-interest revenue	114,411	88,760	391,752	257,945
Non-interest expense	316,655	276,310	877,076	832,847
Pre-provision net revenue	174,746		641,492
Balance Sheet Related Disclosures [Abstract]
Loans, net of deferred fees and costs	39,549,847		39,549,847		$ 37,162,450
Total deposits	$ 44,665,904		$ 44,665,904		$ 38,405,504
Total full-time equivalent employees | employee	5,232		5,232		5,264
Operating Segments | Community Banking
Income Statement Related Disclosures [Abstract]
Net interest income	$ 220,426		$ 638,311
Non-interest revenue	29,982		89,413
Non-interest expense	68,571		219,859
Pre-provision net revenue	181,837		507,865
Balance Sheet Related Disclosures [Abstract]
Loans, net of deferred fees and costs	11,489,106		11,489,106		$ 12,170,914
Total deposits	$ 28,870,928		$ 28,870,928		$ 25,610,777
Total full-time equivalent employees | employee	2,200		2,200		2,301
Operating Segments | Wholesale Banking
Income Statement Related Disclosures [Abstract]
Net interest income	$ 139,080		$ 407,265
Non-interest revenue	5,496		20,406
Non-interest expense	19,530		63,176
Pre-provision net revenue	125,046		364,495
Balance Sheet Related Disclosures [Abstract]
Loans, net of deferred fees and costs	19,204,961		19,204,961		$ 17,643,509
Total deposits	$ 10,339,568		$ 10,339,568		$ 8,314,184
Total full-time equivalent employees | employee	285		285		213
Operating Segments | Financial Management Services
Income Statement Related Disclosures [Abstract]
Net interest income	$ 20,986		$ 56,600
Non-interest revenue	65,820		166,067
Non-interest expense	92,931		184,501
Pre-provision net revenue	(6,125)		38,166
Balance Sheet Related Disclosures [Abstract]
Loans, net of deferred fees and costs	5,412,944		5,412,944		$ 5,285,455
Total deposits	$ 414,243		$ 414,243		$ 284,716
Total full-time equivalent employees | employee	843		843		839
Treasury and Corporate Other
Income Statement Related Disclosures [Abstract]
Net interest income	$ (3,502)		$ 24,640
Non-interest revenue	13,113		115,866
Non-interest expense	135,623		409,540
Pre-provision net revenue	(126,012)		(269,034)
Balance Sheet Related Disclosures [Abstract]
Loans, net of deferred fees and costs	3,442,836		3,442,836		$ 2,062,572
Total deposits	$ 5,041,165		$ 5,041,165		$ 4,195,827
Total full-time equivalent employees | employee	1,904		1,904		1,911
Proforma
Income Statement Related Disclosures [Abstract]
Net interest income		402,097		1,196,535
Non-interest revenue		88,760		257,945
Non-interest expense		276,310		832,847
Pre-provision net revenue		214,547		621,633
Proforma | Operating Segments | Community Banking
Income Statement Related Disclosures [Abstract]
Net interest income		203,197		625,450
Non-interest revenue		35,145		101,971
Non-interest expense		76,414		225,141
Pre-provision net revenue		161,928		502,280
Proforma | Operating Segments | Wholesale Banking
Income Statement Related Disclosures [Abstract]
Net interest income		133,773		388,241
Non-interest revenue		7,092		21,787
Non-interest expense		25,413		55,141
Pre-provision net revenue		115,452		354,887
Proforma | Operating Segments | Financial Management Services
Income Statement Related Disclosures [Abstract]
Net interest income		26,582		86,425
Non-interest revenue		40,966		111,873
Non-interest expense		40,413		111,139
Pre-provision net revenue		27,135		87,159
Proforma | Treasury and Corporate Other
Income Statement Related Disclosures [Abstract]
Net interest income		38,545		96,419
Non-interest revenue		5,557		22,314
Non-interest expense		134,070		441,426
Pre-provision net revenue		$ (89,968)		$ (322,693)

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Subsequent Events (Details) - Subsequent Event - USD ($)	Oct. 29, 2020	Oct. 01, 2020	Oct. 29, 2025
One-time Termination Benefits [Member]
Subsequent Event [Line Items]
Total restructuring charges, net		$ 14,000,000
Subordinated Debt [Member] | Four Percent Subordinated Debt, Due 2030 [Member]
Subsequent Event [Line Items]
Face amount	$ 200,000,000.0
Debt Instrument, Interest Rate, Stated Percentage	4.00%		3.625%
Debt Instrument, Redemption Price, Percentage	100.00%