XML 40 R31.htm IDEA: XBRL DOCUMENT v3.23.2

Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2023

Credit Loss [Abstract]

Schedule of Aging of the Company's Loan Portfolio

The tables below show the aging of the Company’s loan portfolio by the segmentation noted above at June 30, 2023, December 31, 2022 and June 30, 2022:

As of June 30, 2023									90+ days and still accruing						60-89 days past due						30-59 days past due
(In thousands)			Nonaccrual																								Current						Total Loans
Loan Balances (includes PCD):
Commercial
Commercial, industrial and other			$	40,460					$	573					$	22,808					$	48,970					$	12,487,660					$	12,600,471
Commercial real estate
Construction and development			12,536						—						—						766						1,747,134						1,760,436
Non-construction			5,947						—						1,054						13,452						8,827,922						8,848,375
Home equity			1,361						110						316						601						334,586						336,974
Residential real estate, excluding early buy-out loans			13,652						—						7,243						872						2,433,625						2,455,392
Premium finance receivables
Property and casualty insurance loans			19,583						12,785						22,670						32,751						6,674,909						6,762,698
Life insurance loans			6						1,667						3,729						90,117						7,943,754						8,039,273
Consumer and other			4						28						51						146						31,712						31,941
Total loans, net of unearned income, excluding early buy-out loans			$	93,549					$	15,163					$	57,871					$	187,675					$	40,481,302					$	40,835,560
Early buy-out loans guaranteed by U.S. government agencies (1)			117						57,728						918						—						129,085						187,848
Total loans, net of unearned income			$	93,666					$	72,891					$	58,789					$	187,675					$	40,610,387					$	41,023,408

As of December 31, 2022									90+ days and still accruing						60-89 days past due						30-59 days past due
(In thousands)			Nonaccrual																								Current						Total Loans
Loan Balances (includes PCD):
Commercial
Commercial, industrial and other			$	35,579					$	462					$	21,128					$	56,696					$	12,435,299					$	12,549,164
Commercial real estate
Construction and development			416						—						361						14,390						1,471,763						1,486,930
Non-construction			5,971						—						1,883						16,285						8,439,878						8,464,017
Home equity			1,487						—						—						2,152						329,059						332,698
Residential real estate, excluding early buy-out loans			10,171						—						4,364						9,982						2,183,078						2,207,595
Premium finance receivables
Property and casualty insurance loans			13,470						15,841						14,926						40,557						5,764,665						5,849,459
Life insurance loans			—						17,245						5,260						68,725						7,999,768						8,090,998
Consumer and other			6						49						18						224						50,539						50,836
Total loans, net of unearned income, excluding early buy-out loans			$	67,100					$	33,597					$	47,940					$	209,011					$	38,674,049					$	39,031,697
Early buy-out loans guaranteed by U.S. government agencies (1)			31,279						47,450						984						1,584						83,491						164,788
Total loans, net of unearned income			$	98,379					$	81,047					$	48,924					$	210,595					$	38,757,540					$	39,196,485

(1)Early buy-out loans are insured or guaranteed by the FHA or the U.S. Department of Veterans Affairs, subject to indemnifications and insurance limits for certain loans.

As of June 30, 2022									90+ days and still accruing						60-89 days past due						30-59 days past due
(In thousands)			Nonaccrual																								Current						Total Loans
Loan Balances (includes PCD):
Commercial
Commercial, industrial and other			$	32,436					$	—					$	16,789					$	14,120					$	11,983,760					$	12,047,105
Commercial real estate
Construction and development			889						—						—						1,144						1,504,285						1,506,318
Non-construction			9,829						—						6,771						33,076						7,851,211						7,900,887
Home equity			1,084						—						154						930						323,658						325,826
Residential real estate, excluding early buy-out loans			8,330						—						534						147						1,956,040						1,965,051
Premium finance receivables
Property and casualty insurance loans			13,303						6,447						15,299						23,313						5,483,085						5,541,447
Life insurance loans			—						—						1,796						65,155						7,541,482						7,608,433
Consumer and other			8						25						8						119						44,020						44,180
Total loans, net of unearned income, excluding early buy-out loans			$	65,879					$	6,472					$	41,351					$	138,004					$	36,687,541					$	36,939,247
Early buy-out loans guaranteed by U.S. government agencies (1)			23,815						50,314						272						—						39,455						113,856
Total loans, net of unearned income			$	89,694					$	56,786					$	41,623					$	138,004					$	36,726,996					$	37,053,103

(1)Early buy-out loans are insured or guaranteed by the FHA or the U.S. Department of Veterans Affairs, subject to indemnifications and insurance limits for certain loans.

Summary of Loan Portfolio by Credit Quality Indicator

The table below shows the Company’s loan portfolio by credit quality indicator and year of origination at June 30, 2023:

			Year of Origination																								Revolving						Total
(In thousands)			2023			2022			2021			2020			2019			Prior						Revolving			to Term						Loans
Loan Balances:
Commercial, industrial and other
Pass			$	1,432,042		$	2,302,642		$	1,892,615		$	842,764		$	536,136		$	1,091,823					$	4,016,909		$	3,612					$	12,118,543
Special mention			4,953			44,081			72,155			5,689			18,040			6,820						94,418			1,328						247,484
Substandard accrual			3,046			36,007			39,858			3,177			9,549			41,282						60,683			382						193,984
Substandard nonaccrual/doubtful			—			1,100			5,576			1,848			27,455			4,316						165			—						40,460
Total commercial, industrial and other			$	1,440,041		$	2,383,830		$	2,010,204		$	853,478		$	591,180		$	1,144,241					$	4,172,175		$	5,322					$	12,600,471
Construction and development
Pass			$	137,138		$	623,589		$	479,051		$	191,308		$	110,298		$	115,876					$	16,549		$	367					$	1,674,176
Special mention			—			—			1,699			18,420			20,000			14,250						—			—						54,369
Substandard accrual			—			2,475			—			—			3,464			13,416						—			—						19,355
Substandard nonaccrual/doubtful			—			4,190			—			8,248			—			98						—			—						12,536
Total construction and development			$	137,138		$	630,254		$	480,750		$	217,976		$	133,762		$	143,640					$	16,549		$	367					$	1,760,436
Non-construction
Pass			$	824,864		$	1,857,052		$	1,423,876		$	972,603		$	788,128		$	2,549,042					$	192,636		$	1,415					$	8,609,616
Special mention			2,479			5,088			28,536			—			26,357			63,570						1,439			—						127,469
Substandard accrual			—			1,431			2,964			21,406			11,012			68,530						—			—						105,343
Substandard nonaccrual/doubtful			—			—			25			—			586			5,336						—			—						5,947
Total non-construction			$	827,343		$	1,863,571		$	1,455,401		$	994,009		$	826,083		$	2,686,478					$	194,075		$	1,415					$	8,848,375
Home equity
Pass			$	—		$	—		$	63		$	—		$	93		$	6,207					$	317,066		$	—					$	323,429
Special mention			—			230			—			—			59			1,763						2,370			—						4,422
Substandard accrual			—			—			—			—			—			6,596						1,038			128						7,762
Substandard nonaccrual/doubtful			—			—			77			115			18			937						98			116						1,361
Total home equity			$	—		$	230		$	140		$	115		$	170		$	15,503					$	320,572		$	244					$	336,974
Residential real estate
Early buy-out loans guaranteed by U.S. government agencies			$	—		$	24		$	1,384		$	9,713		$	19,125		$	157,602					$	—		$	—					$	187,848
Pass			254,659			827,009			809,152			221,005			116,043			189,815						—			—						2,417,683

Special mention			39			3,470			994			1,355			534			5,317						—			—						11,709
Substandard accrual			583			2,562			4,377			1,165			260			3,401						—			—						12,348
Substandard nonaccrual/doubtful			—			912			1,206			744			2,497			8,293						—			—						13,652
Total residential real estate			$	255,281		$	833,977		$	817,113		$	233,982		$	138,459		$	364,428					$	—		$	—					$	2,643,240
Premium finance receivables - property and casualty
Pass			$	5,638,768		$	919,368		$	26,646		$	4,012		$	361		$	—					$	—		$	—					$	6,589,155
Special mention			130,056			17,308			255			10			—			—						—			—						147,629
Substandard accrual			3,220			3,110			1			—			—			—						—			—						6,331
Substandard nonaccrual/doubtful			4,554			14,811			213			5			—			—						—			—						19,583
Total premium finance receivables - property and casualty			$	5,776,598		$	954,597		$	27,115		$	4,027		$	361		$	—					$	—		$	—					$	6,762,698
Premium finance receivables - life
Pass			$	125,737		$	584,412		$	875,181		$	1,063,640		$	949,935		$	4,404,124					$	—		$	—					$	8,003,029
Special mention			—			—			758			6,323			—			29,157						—			—						36,238
Substandard accrual			—			—			—			—			—			—						—			—						—
Substandard nonaccrual/doubtful			—			6			—			—			—			—						—			—						6
Total premium finance receivables - life			$	125,737		$	584,418		$	875,939		$	1,069,963		$	949,935		$	4,433,281					$	—		$	—					$	8,039,273
Consumer and other
Pass			$	2,344		$	1,904		$	1,077		$	163		$	399		$	—					$	25,849		$	—					$	31,736
Special mention			2			13			—			—			2			127						1			—						145
Substandard accrual			—			9			—			—			—			37						10			—						56
Substandard nonaccrual/doubtful			—			—			4			—			—			—						—			—						4
Total consumer and other			$	2,346		$	1,926		$	1,081		$	163		$	401		$	164					$	25,860		$	—					$	31,941
Total loans
Early buy-out loans guaranteed by U.S. government agencies			$	—		$	24		$	1,384		$	9,713		$	19,125		$	157,602					$	—		$	—					$	187,848
Pass			8,415,552			7,115,976			5,507,661			3,295,495			2,501,393			8,356,887						4,569,009			5,394						39,767,367
Special mention			137,529			70,190			104,397			31,797			64,992			121,004						98,228			1,328						629,465
Substandard accrual			6,849			45,594			47,200			25,748			24,285			133,262						61,731			510						345,179
Substandard nonaccrual/doubtful			4,554			21,019			7,101			10,960			30,556			18,980						263			116						93,549
Total loans			$	8,564,484		$	7,252,803		$	5,667,743		$	3,373,713		$	2,640,351		$	8,787,735					$	4,729,231		$	7,348					$	41,023,408
Gross write offs
Three months ended June 30, 2023			$	4,963		$	569		$	1,055		$	5,159		$	5,014		$	1,756					$	—		$	—					$	18,516
Six months ended June 30, 2023			5,441			5,462			2,249			5,496			5,332			1,887						—			—						25,867

Held-to-Maturity Debt Securities by Credit Quality Indicator

For purposes of the table below, the Company has converted any issuer rating from an NRSRO into the Company’s internal ratings based on Investment Policy and review by the Company’s management.

As of June 30, 2023			Year of Origination																					Total
(In thousands)			2023			2022			2021			2020			2019			Prior						Balance
Amortized Cost Balances:
U.S. government agencies
1-4 internal grade			$	—		$	160,000		$	147,806		$	25,000		$	4,000		$	2,798					$	339,604
5-7 internal grade																								—
8-10 internal grade																								—
Total U.S. government agencies			$	—		$	160,000		$	147,806		$	25,000		$	4,000		$	2,798					$	339,604
Municipal
1-4 internal grade			$	1,996		$	1,041		$	6,955		$	264		$	616		$	165,256					$	176,128
5-7 internal grade			—			—			—			—			—			—						—
8-10 internal grade			—			—			—			—			—			—						—
Total municipal			$	1,996		$	1,041		$	6,955		$	264		$	616		$	165,256					$	176,128
Mortgage-backed securities
1-4 internal grade			$	5,065		$	595,015		$	2,391,178		$	—		$	—		$	—					$	2,991,258
5-7 internal grade			—			—			—			—			—			—						—
8-10 internal grade			—			—			—			—			—			—						—
Total mortgage-backed securities			$	5,065		$	595,015		$	2,391,178		$	—		$	—		$	—					$	2,991,258
Corporate notes
1-4 internal grade			$	—		$	14,964		$	—		$	6,008		$	7,269		$	29,648					$	57,889
5-7 internal grade			—			—			—			—			—			—						—
8-10 internal grade			—			—			—			—			—			—						—
Total corporate notes			$	—		$	14,964		$	—		$	6,008		$	7,269		$	29,648					$	57,889
Total held-to-maturity securities																								$	3,564,879
Less: Allowance for credit losses																								(406)
Held-to-maturity securities, net of allowance for credit losses																								$	3,564,473

Schedule of Allowance for Credit Losses

As significant judgment is required, the review of the appropriateness of the allowance for credit losses is performed quarterly by various committees with participation by the Company's executive management.

						June 30,																		December 31,						June 30,
(In thousands)						2023																		2022						2022
Allowance for loan losses						$	302,499																	$	270,173					$	251,769
Allowance for unfunded lending-related commitments losses						84,881																		87,275						60,340
Allowance for loan losses and unfunded lending-related commitments losses						387,380																		357,448						312,109
Allowance for held-to-maturity securities losses						406																		488						83
Allowance for credit losses						$	387,786																	$	357,936					$	312,192

Summary of Activity in the Allowance for Credit Losses by Loan Portfolio

A summary of activity in the allowance for credit losses, specifically for the loan portfolio (i.e. allowance for loan losses and allowance for unfunded commitment losses), for the three and six months ended June 30, 2023 and 2022 is as follows.

Three months ended June 30, 2023									Commercial Real Estate						Home  Equity						Residential Real Estate						Premium Finance Receivables						Consumer and Other						Total Loans
(In thousands)			Commercial
Allowance for credit losses at beginning of period			$	149,501					$	194,780					$	7,728					$	11,434					$	11,955					$	400					$	375,798
Other adjustments			—						—						—						—						41						—						41
Charge-offs			(5,629)						(8,124)						—						—						(4,653)						(110)						(18,516)
Recoveries			505						25						37						6						890						23						1,486
Provision for credit losses			(1,235)						29,015						(798)						812						813						(36)						28,571
Allowance for credit losses at period end			$	143,142					$	215,696					$	6,967					$	12,252					$	9,046					$	277					$	387,380
By measurement method:
Individually measured			$	7,205					$	5,819					$	—					$	106					$	—					$	—					$	13,130
Collectively measured			135,937						209,877						6,967						12,146						9,046						277						374,250
Loans at period end
Individually measured			$	40,460					$	18,483					$	1,361					$	13,496					$	—					$	4					$	73,804
Collectively measured			12,560,011						10,590,328						335,613						2,429,297						14,801,971						31,937						40,749,157
Loans held at fair value			—						—						—						200,447						—						—						200,447

Three months ended June 30, 2022			Commercial						Commercial Real Estate						Home  Equity						Residential Real Estate						Premium Finance Receivables						Consumer and Other						Total Loans
(In thousands)
Allowance for credit losses at beginning of period			$	120,911					$	144,906					$	10,566					$	9,429					$	14,722					$	634					$	301,168
Other adjustments			—						—						—						—						(56)						—						(56)
Charge-offs			(8,928)						(40)						(192)						—						(2,903)						(253)						(12,316)
Recoveries			996						553						123						6						1,119						23						2,820
Provision for credit losses			29,940						(1,687)						(3,507)						1,044						(5,380)						83						20,493
Allowance for credit losses at period end			$	142,919					$	143,732					$	6,990					$	10,479					$	7,502					$	487					$	312,109
By measurement method:
Individually measured			$	5,674					$	99					$	105					$	790					$	—					$	—					$	6,668
Collectively measured			137,245						143,633						6,885						9,689						7,502						487						305,441
Loans at period end
Individually measured			$	34,892					$	20,377					$	11,876					$	18,333					$	—					$	79					$	85,557
Collectively measured			12,012,213						9,386,828						313,950						1,937,817						13,149,880						44,101						36,844,789
Loans held at fair value			—						—						—						122,757						—						—						122,757

Six months ended June 30, 2023									Commercial Real Estate						Home  Equity						Residential Real Estate						Premium Finance Receivables						Consumer and Other						Total Loans
(In thousands)			Commercial
Allowance for credit losses at beginning of period			$	142,769					$	184,352					$	7,573					$	11,585					$	10,671					$	498					$	357,448
Cumulative effect adjustment from the adoption of ASU 2016-13			111						1,356						(33)						(692)						—						(1)						741
Other adjustments			—						—						—						—						45						—						45
Charge-offs			(8,172)						(8,129)						—						—						(9,303)						(263)						(25,867)
Recoveries			897						125						72						10						2,213						55						3,372
Provision for credit losses			7,537						37,992						(645)						1,349						5,420						(12)						51,641
Allowance for credit losses at period end			$	143,142					$	215,696					$	6,967					$	12,252					$	9,046					$	277					$	387,380

Six months ended June 30, 2022									Commercial Real Estate						Home  Equity						Residential Real Estate						Premium Finance Receivables						Consumer and Other						Total Loans
(In thousands)			Commercial
Allowance for credit losses at beginning of period			$	119,307					$	144,583					$	10,699					$	8,782					$	15,859					$	423					$	299,653
Other adjustments			—						—						—						—						(34)						—						(34)
Charge-offs			(10,342)						(817)						(389)						(466)						(4,581)						(446)						(17,041)
Recoveries			1,534						585						216						11						2,595						72						5,013
Provision for credit losses			32,420						(619)						(3,536)						2,152						(6,337)						438						24,518
Allowance for credit losses at period end			$	142,919					$	143,732					$	6,990					$	10,479					$	7,502					$	487					$	312,109

Summary of the Post-Modification Balance of Loans Restructured

The table below presents a summary of the balance immediately following the modification of loans to borrowers experiencing financial difficulties during the three months and six months ended June 30, 2023:

Three months ended June 30, 2023  (Dollars in thousands)						Total (1)						Percentage of Total Class of Loan						Extension of Term (1)						Reduction of  Interest Rate (1)						Delay in Contractual Payments (1)						Extension of Term and Reduction of Interest Rate (1)
Commercial
Commercial, industrial and other						$	423					0.0		%				$	—					$	—					$	—					$	423
Commercial real estate
Non-construction						4,376						0.0						—						—						—						4,376
Home equity						—						—						—						—						—						—
Residential real estate						264						0.0						143						—						—						121
Premium finance receivables
Property and casualty insurance loans						—						—						—						—						—						—
Total loans						$	5,063					0.0		%				$	143					$	—					$	—					$	4,920
Weighted average magnitude of modifications:
Duration of extension of term						43 months
Reduction of interest rate						207		bps

Six months ended June 30, 2023 (Dollars in thousands)						Total (1)						Percentage of Total Class of Loan						Extension of Term (1)						Reduction of  Interest Rate (1)						Delay in Contractual Payments (1)						Extension of Term and Reduction of Interest Rate (1)
Commercial
Commercial, industrial and other						$	37,897					0.3		%				$	1,938					$	221					$	35,265					$	473
Commercial real estate
Non-construction						5,709						0.1						467						827						39						4,376
Home equity						203						0.1						203						—						—						—
Residential real estate						1,972						0.1						1,396						271						—						305
Premium finance receivables
Property and casualty insurance loans						11						—						3						—						—						8
Total loans						$	45,792					0.1		%				$	4,007					$	1,319					$	35,304					$	5,162
Weighted average magnitude of modifications:
Duration of extension of term						36 months
Reduction of interest rate						223		bps
Duration of delayed contractual payment terms						17 months

(1)Balances represent the recorded investment in the loan at the time of the restructuring.

The table below presents a summary of the balance immediately following the modification of loans restructured during the three months ended June 30, 2022 which represent TDRs:

Three months ended June 30, 2022 (Dollars in thousands)						Total (1)(2)												Extension at Below Market Terms (2)												Reduction of Interest Rate (2)												Modification to  Interest-only Payments (2)												Forgiveness of Debt (2)
						Count						Balance						Count						Balance						Count						Balance						Count						Balance						Count						Balance
Commercial
Commercial, industrial and other						2						$	186					2						$	185					—						$	—					—						$	—					—						$	—
Commercial real estate
Non-construction						—						—						—						—						—						—						—						—						—						—
Residential real estate and other						14						2,235						14						2,235						10						1,805						—						—						—						—
Total loans						16						$	2,421					16						$	2,420					10						$	1,805					—						$	—					—						$	—

Six months ended June 30, 2022 (Dollars in thousands)						Total (1)(2)												Extension at Below Market Terms (2)												Reduction of Interest Rate (2)												Modification to  Interest-only Payments (2)												Forgiveness of Debt(2)
						Count						Balance						Count						Balance						Count						Balance						Count						Balance						Count						Balance
Commercial
Commercial, industrial and other						5						$	468					4						$	305					1						$	85					2						$	247					—						$	—
Commercial real estate
Non-construction						2						1,907						1						1,178						1						1,178						2						1,907						—						—
Residential real estate and other						22						3,143						22						3,143						17						2,567						—						—						—						—
Total loans						29						$	5,518					27						$	4,626					19						$	3,830					4						$	2,154					—						$	—

(1)TDRs may have more than one modification representing a concession. As such, TDRs during the period may be represented in more than one of the categories noted above.

(2)Balances represent the recorded investment in the loan at the time of the restructuring.

The following table presents a summary of all loans restructured in TDRs during the twelve months ended June 30, 2022 and such loans that were in payment default under the restructured terms during the respective periods below:

(Dollars in thousands)			As of June 30, 2022												Three Months Ended June 30, 2022																					Six months ended June 30, 2022
			Total (1)(3)												Payments in Default  (2)(3)																					Payments in Default  (2)(3)
			Count						Balance						Count						Balance																											Count						Balance
Commercial
Commercial, industrial and other			16						$	4,995					10						$	4,469																										11						$	4,711
Commercial real estate
Non-construction			2						1,907						—						—																											—						—
Residential real estate and other			39						6,159						2						345																											2						345
Total loans			57						$	13,061					12						$	4,814																										13						$	5,056

(1)Total TDRs represent all loans restructured om TDRs during the previous twelve months from the date indicated.

(2)TDRs considered to be in payment default are over 30 days past due subsequent to the restructuring.

(3)Balances represent the recorded investment in the loan at the time of the restructuring.

Summary of Loans for Borrowers Experiencing Financial Difficulties Modified

The following table presents a summary of all loans for borrowers experiencing financial difficulties modified during the six months ended June 30, 2023, and such loans that were in payment default under the restructured terms during the respective periods below:

(Dollars in thousands)									As of June 30, 2023												Three Months Ended June 30, 2023									Six Months Ended June 30, 2023
									Total (2)												Payments in Default  (1)(2)									Payments in Default  (1)(2)
Commercial
Commercial, industrial and other									$	37,897											$	18,729								$	18,729
Commercial real estate
Non-construction									5,709												923									923
Home equity									203												203									203
Residential real estate									1,972												541									541
Premium finance receivables
Property and casualty insurance loans									11												11									11
Total loans									$	45,792											$	20,407								$	20,407

(1)Modified loans considered to be in payment default are over 30 days past due subsequent to the restructuring.

(2)Balances represent the recorded investment in the loan at the time of the restructuring.

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

+ Details

Name:	us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CreditLossAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of credit quality indicator for investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_DebtSecuritiesHeldToMaturityCreditQualityIndicatorTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 29
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-29

+ Details

Name:	us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of financing receivable with payment default and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 44
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-44

+ Details

Name:	us-gaap_FinancingReceivableModifiedSubsequentDefaultTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of aging analysis for financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479294/326-20-55-80

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A

+ Details

Name:	us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

+ Details

Name:	us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Allowance For Credit Losses [Table Text Block]

+ References

No definition available.

+ Details

Name:	wtfc_AllowanceForCreditLossesTableTextBlock
Namespace Prefix:	wtfc_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration