XML 37 R27.htm IDEA: XBRL DOCUMENT v3.24.2

Loans and Allowance for Loan Losses (Tables)

6 Months Ended

Jun. 30, 2024

Receivables [Abstract]

Loans by Portfolio Segment

Loans in the accompanying consolidated balance sheets are classified as follows (in thousands):    

			June 30, 2024						December 31, 2023
Real estate loans:
Construction			$	546,040					$	789,744
1-4 family residential			738,037						696,738
Commercial			2,472,771						2,168,451
Commercial loans			359,807						366,893
Municipal loans			416,986						441,168
Loans to individuals			55,724						61,516
Total loans			4,589,365						4,524,510
Less: Allowance for loan losses			42,407						42,674
Net loans			$	4,546,958					$	4,481,836

Summary of loans by credit quality indicators and origination year

The following tables set forth the amortized cost basis by class of financing receivable and credit quality indicator for the periods presented (in thousands):

June 30, 2024			Term Loans Amortized Cost Basis by Origination Year																																				Revolving Loans Amortized Cost Basis						Total
			2024						2023						2022						2021						2020						Prior
Construction real estate:
Pass			$	32,183					$	120,119					$	127,584					$	23,167					$	4,131					$	7,976					$	149,696					$	464,856
Pass watch			226						—						57,246						—						386						—						2,621						60,479
Special mention			—						—						—						616						—						6						—						622
Substandard			—						163						19,845						63						—						—						—						20,071
Doubtful			—						—						—						—						—						12						—						12
Total construction real estate			$	32,409					$	120,282					$	204,675					$	23,846					$	4,517					$	7,994					$	152,317					$	546,040
Current period gross charge-offs			$	—					$	24					$	—					$	—					$	—					$	—					$	—					$	24
1-4 family residential real estate:
Pass			$	22,414					$	53,754					$	154,734					$	148,586					$	111,255					$	241,168					$	1,708					$	733,619
Pass watch			—						—						—						—						—						—						—						—
Special mention			—						—						—						510						—						—						—						510
Substandard			51						—						—						69						1,096						2,362						—						3,578
Doubtful			—						—						—						—						—						330						—						330
Total 1-4 family residential real estate			$	22,465					$	53,754					$	154,734					$	149,165					$	112,351					$	243,860					$	1,708					$	738,037
Current period gross charge-offs			$	—					$	31					$	—					$	—					$	10					$	87					$	—					$	128
Commercial real estate:
Pass			$	112,416					$	496,041					$	704,544					$	624,161					$	172,212					$	279,464					$	1,900					$	2,390,738
Pass watch			—						—						52,440						—						1,002						735						—						54,177
Special mention			2,039						1,982						1,463						—						—						13,550						—						19,034
Substandard			—						—						844						90						256						5,973						—						7,163
Doubtful			—						—						—						—						—						1,659						—						1,659
Total commercial real estate			$	114,455					$	498,023					$	759,291					$	624,251					$	173,470					$	301,381					$	1,900					$	2,472,771
Current period gross charge-offs			$	—					$	—					$	—					$	—					$	—					$	—					$	—					$	—
Commercial loans:
Pass			$	63,215					$	72,925					$	65,758					$	19,123					$	8,086					$	4,258					$	116,349					$	349,714
Pass watch			—						34						251						90						8						649						175						1,207
Special mention			39						2,517						—						73						3						132						2,289						5,053
Substandard			81						291						2,025						74						—						27						988						3,486
Doubtful			—						35						148						107						—						52						5						347
Total commercial loans			$	63,335					$	75,802					$	68,182					$	19,467					$	8,097					$	5,118					$	119,806					$	359,807
Current period gross charge-offs			$	—					$	275					$	49					$	37					$	—					$	6					$	—					$	367
Municipal loans:
Pass			$	1,595					$	37,835					$	59,206					$	66,385					$	45,765					$	206,200					$	—					$	416,986
Pass watch			—						—						—						—						—						—						—						—
Special mention			—						—						—						—						—						—						—						—
Substandard			—						—						—						—						—						—						—						—
Doubtful			—						—						—						—						—						—						—						—
Total municipal loans			$	1,595					$	37,835					$	59,206					$	66,385					$	45,765					$	206,200					$	—					$	416,986
Current period gross charge-offs			$	—					$	—					$	—					$	—					$	—					$	—					$	—					$	—
Loans to individuals:
Pass			$	11,967					$	15,465					$	11,130					$	8,322					$	4,304					$	1,697					$	2,754					$	55,639
Pass watch			—						—						—						—						—						—						—						—
Special mention			—						—						—						—						—						—						—						—
Substandard			—						—						23						—						—						13						—						36
Doubtful			4						13						17						—						—						15						—						49
Total loans to individuals			$	11,971					$	15,478					$	11,170					$	8,322					$	4,304					$	1,725					$	2,754					$	55,724
Current period gross charge-offs (1)			$	750					$	20					$	20					$	2					$	33					$	11					$	—					$	836
Total loans			$	246,230					$	801,174					$	1,257,258					$	891,436					$	348,504					$	766,278					$	278,485					$	4,589,365
Total current period gross charge-offs (1)			$	750					$	350					$	69					$	39					$	43					$	104					$	—					$	1,355

(1) Includes $554,000 in charged off demand deposit overdrafts reported as 2024 originations.

December 31, 2023			Term Loans Amortized Cost Basis by Origination Year																																				Revolving Loans Amortized Cost Basis						Total
			2023						2022						2021						2020						2019						Prior
Construction real estate:
Pass			$	132,838					$	236,573					$	196,311					$	37,997					$	3,938					$	6,457					$	144,358					$	758,472
Pass watch			—						7,798						—						—						—						—						—						7,798
Special mention			13,166						9,456						698						—						7						—						—						23,327
Substandard			36						—						68						—						—						43						—						147
Doubtful			—						—						—						—						—						—						—						—
Total construction real estate			$	146,040					$	253,827					$	197,077					$	37,997					$	3,945					$	6,500					$	144,358					$	789,744
Current period gross charge-offs			$	—					$	92					$	—					$	—					$	—					$	—					$	—					$	92
1-4 family residential real estate:
Pass			$	41,520					$	126,981					$	145,671					$	114,631					$	63,710					$	196,651					$	1,803					$	690,967
Pass watch			—						—						—						32						—						—						—						32
Special mention			—						—						—						75						—						—						—						75
Substandard			325						—						73						1,379						—						3,259						74						5,110
Doubtful			—						—						—						163						—						391						—						554
Total 1-4 family residential real estate			$	41,845					$	126,981					$	145,744					$	116,280					$	63,710					$	200,301					$	1,877					$	696,738
Current period gross charge-offs			$	—					$	—					$	—					$	—					$	1					$	118					$	—					$	119
Commercial real estate:
Pass			$	469,844					$	641,577					$	495,363					$	143,150					$	91,085					$	189,021					$	16,493					$	2,046,533
Pass watch			24,300						34,424						255						1,037						333						146						—						60,495
Special mention			17,403						—						—						—						9,746						25,072						—						52,221
Substandard			—						862						95						269						1,565						6,346						—						9,137
Doubtful			—						—						—						—						65						—						—						65
Total commercial real estate			$	511,547					$	676,863					$	495,713					$	144,456					$	102,794					$	220,585					$	16,493					$	2,168,451
Current period gross charge-offs			$	—					$	—					$	—					$	—					$	788					$	—					$	—					$	788
Commercial loans:
Pass			$	78,090					$	62,192					$	42,114					$	10,708					$	4,356					$	3,310					$	161,153					$	361,923
Pass watch			—						128						117						—						—						18						—						263
Special mention			191						174						—						16						—						162						—						543
Substandard			14						2,357						73						—						65						12						821						3,342
Doubtful			238						267						133						—						64						120						—						822
Total commercial loans			$	78,533					$	65,118					$	42,437					$	10,724					$	4,485					$	3,622					$	161,974					$	366,893
Current period gross charge-offs			$	745					$	440					$	44					$	26					$	23					$	5					$	—					$	1,283
Municipal loans:
Pass			$	39,028					$	61,429					$	68,979					$	49,746					$	39,949					$	182,037					$	—					$	441,168
Pass watch			—						—						—						—						—						—						—						—
Special mention			—						—						—						—						—						—						—						—
Substandard			—						—						—						—						—						—						—						—
Doubtful			—						—						—						—						—						—						—						—
Total municipal loans			$	39,028					$	61,429					$	68,979					$	49,746					$	39,949					$	182,037					$	—					$	441,168
Current period gross charge-offs			$	—					$	—					$	—					$	—					$	—					$	—					$	—					$	—
Loans to individuals:
Pass			$	22,788					$	15,503					$	11,588					$	6,256					$	2,180					$	941					$	2,216					$	61,472
Pass watch			—						—						—						—						—						—						—						—
Special mention			—						—						—						—						—						—						—						—
Substandard			—						—						—						—						13						—						—						13
Doubtful			4						17						—						10						—						—						—						31
Total loans to individuals			$	22,792					$	15,520					$	11,588					$	6,266					$	2,193					$	941					$	2,216					$	61,516
Current period gross charge-offs			$	1,682					$	54					$	61					$	20					$	6					$	99					$	—					$	1,922
Total loans			$	839,785					$	1,199,738					$	961,538					$	365,469					$	217,076					$	613,986					$	326,918					$	4,524,510
Total current period gross charge-offs (1)			$	2,427					$	586					$	105					$	46					$	818					$	222					$	—					$	4,204

(1) Includes $1.7 million in charged off demand deposit overdrafts reported as 2023 originations.

Aging of past due loans by class of loan

The following tables present the aging of the amortized cost basis in past due loans by class of loans (in thousands):

			June 30, 2024
			30-59 Days Past Due						60-89 Days Past Due						Greater than 90 Days Past Due						Total Past Due						Current						Total
Real estate loans:
Construction			$	278					$	—					$	—					$	278					$	545,762					$	546,040
1-4 family residential			553						563						75						1,191						736,846						738,037
Commercial			273						244						1,881						2,398						2,470,373						2,472,771
Commercial loans			624						439						107						1,170						358,637						359,807
Municipal loans			—						—						—						—						416,986						416,986
Loans to individuals			148						30						4						182						55,542						55,724
Total			$	1,876					$	1,276					$	2,067					$	5,219					$	4,584,146					$	4,589,365

			December 31, 2023
			30-59 Days Past Due						60-89 Days Past Due						Greater than 90 Days Past Due						Total Past Due						Current						Total
Real estate loans:
Construction			$	474					$	—					$	29					$	503					$	789,241					$	789,744
1-4 family residential			4,638						774						1,700						7,112						689,626						696,738
Commercial			621						34						40						695						2,167,756						2,168,451
Commercial loans			1,693						347						127						2,167						364,726						366,893
Municipal loans			27						—						—						27						441,141						441,168
Loans to individuals			107						1						10						118						61,398						61,516
Total			$	7,560					$	1,156					$	1,906					$	10,622					$	4,513,888					$	4,524,510

Nonperforming assets by asset class

The following table sets forth the amortized cost basis of nonperforming assets for the periods presented (in thousands):

			June 30, 2024						December 31, 2023
Nonaccrual loans:
Real estate loans:
Construction			$	38					$	29
1-4 family residential			1,432						2,093
Commercial			2,065						528
Commercial loans			2,526						1,208
Loans to individuals			49						31
Total nonaccrual loans (1)			6,110						3,889
Accruing loans past due more than 90 days			—						—
Restructured loans			145						13
OREO			648						99
Repossessed assets			15						—
Total nonperforming assets			$	6,918					$	4,001

(1)    Includes $368,000 and $506,000 of restructured loans as of June 30, 2024 and December 31, 2023, respectively.

Allowance for loan losses activity by portfolio segment

The following tables detail activity in the allowance for loan losses by portfolio segment for the periods presented (in thousands):

			Three Months Ended June 30, 2024
			Real Estate
			Construction						1-4 Family Residential						Commercial						Commercial Loans						Municipal Loans						Loans to Individuals												Total
Balance at beginning of period			$	4,920					$	2,768					$	32,893					$	2,774					$	19					$	183											$	43,557
Loans charged-off			(24)						(106)						—						(216)						—						(375)												(721)
Recoveries of loans charged-off			—						33						—						191						—						220												444
Net loans (charged-off) recovered			(24)						(73)						—						(25)						—						(155)												(277)
Provision for (reversal of) loan losses			(162)						9						(1,052)						193						(1)						140												(873)
Balance at end of period			$	4,734					$	2,704					$	31,841					$	2,942					$	18					$	168											$	42,407

			Six Months Ended June 30, 2024
			Real Estate
			Construction						1-4 Family Residential						Commercial						Commercial Loans						Municipal Loans						Loans to Individuals												Total
Balance at beginning of period			$	5,287					$	2,840					$	32,266					$	2,086					$	19					$	176											$	42,674
Loans charged-off (1)			(24)						(128)						—						(367)						—						(836)												(1,355)
Recoveries of loans charged-off			—						44						3						247						—						497												791
Net loans (charged-off) recovered			(24)						(84)						3						(120)						—						(339)												(564)
Provision for (reversal of) loan losses			(529)						(52)						(428)						976						(1)						331												297
Balance at end of period			$	4,734					$	2,704					$	31,841					$	2,942					$	18					$	168											$	42,407

			Three Months Ended June 30, 2023
			Real Estate
			Construction						1-4 Family Residential						Commercial						Commercial Loans						Municipal Loans						Loans to Individuals												Total
Balance at beginning of period			$	3,152					$	2,314					$	28,721					$	1,901					$	44					$	200											$	36,332
Loans charged-off			(63)						(22)						—						(260)						—						(392)												(737)
Recoveries of loans charged-off			—						41						1						143						—						245												430
Net loans (charged-off) recovered			(63)						19						1						(117)						—						(147)												(307)
Provision for (reversal of) loan losses			306						327						(710)						233						(7)						129												278
Balance at end of period			$	3,395					$	2,660					$	28,012					$	2,017					$	37					$	182											$	36,303

			Six Months Ended June 30, 2023
			Real Estate
			Construction						1-4 Family Residential						Commercial						Commercial Loans						Municipal Loans						Loans to Individuals												Total
Balance at beginning of period			$	3,164					$	2,173					$	28,701					$	2,235					$	45					$	197											$	36,515
Loans charged-off			(63)						(71)						—						(369)						—						(867)												(1,370)
Recoveries of loans charged-off			1						46						1						203						—						541												792
Net loans (charged-off) recovered			(62)						(25)						1						(166)						—						(326)												(578)
Provision for (reversal of) loan losses			293						512						(690)						(52)						(8)						311												366
Balance at end of period			$	3,395					$	2,660					$	28,012					$	2,017					$	37					$	182											$	36,303

X

- Definition

Tabular disclosure of nonperforming assets.

+ References

No definition available.

+ Details

Name:	sbsi_SummaryOfNonperformingAssetsForPeriodTableTextBlock
Namespace Prefix:	sbsi_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: 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

+ Details

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

Reference 2: 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_FinancingReceivableCreditQualityIndicatorsTableTextBlock
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://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 3: 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 4: 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

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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