XML 36 R25.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Allowance for Credit Losses (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |
Schedule of changes in allowance for loan and lease losses, segregated by portfolio segment | The following table shows the changes in the allowance for loan and lease losses, segregated by portfolio segment, for the three months ended September 30, 2022 and 2021.
(Dollars in thousands) |  | Commercial and agricultural |  | Solar |  | Auto and light truck |  | Medium and heavy duty truck |  | Aircraft |  | Construction equipment |  | Commercial real estate |  | Residential real estate and home equity |  | Consumer |  | Total
September 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 16,110 |  |  | $ | 6,652 |  |  | $ | 19,057 |  |  | $ | 6,709 |  |  | $ | 36,987 |  |  | $ | 21,171 |  |  | $ | 18,416 |  |  | $ | 5,779 |  |  | $ | 1,984 |  |  | $ | 132,865 |
Charge-offs |  | 414 |  |  | — |  |  | 66 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 17 |  |  | 223 |  |  | 720 |
Recoveries |  | 39 |  |  | — |  |  | 91 |  |  | — |  |  | 176 |  |  | 11 |  |  | 17 |  |  | 1 |  |  | 89 |  |  | 424 |
Net charge-offs (recoveries) |  | 375 |  |  | — |  |  | (25) |  |  | — |  |  | (176) |  |  | (11) |  |  | (17) |  |  | 16 |  |  | 134 |  |  | 296 |
Provision (recovery of provision) |  | 412 |  |  | 142 |  |  | (85) |  |  | 304 |  |  | 132 |  |  | 1,667 |  |  | 57 |  |  | 306 |  |  | 232 |  |  | 3,167 |
Balance, end of period |  | $ | 16,147 |  |  | $ | 6,794 |  |  | $ | 18,997 |  |  | $ | 7,013 |  |  | $ | 37,295 |  |  | $ | 22,849 |  |  | $ | 18,490 |  |  | $ | 6,069 |  |  | $ | 2,082 |  |  | $ | 135,736 |
September 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 14,832 |  |  | $ | 5,867 |  |  | $ | 27,221 |  |  | $ | 5,888 |  |  | $ | 35,301 |  |  | $ | 17,908 |  |  | $ | 22,578 |  |  | $ | 5,066 |  |  | $ | 1,700 |  |  | $ | 136,361 |
Charge-offs |  | 21 |  |  | — |  |  | 407 |  |  | — |  |  | — |  |  | 551 |  |  | — |  |  | — |  |  | 98 |  |  | 1,077 |
Recoveries |  | 176 |  |  | — |  |  | 479 |  |  | — |  |  | 153 |  |  | 170 |  |  | — |  |  | 3 |  |  | 49 |  |  | 1,030 |
Net charge-offs (recoveries) |  | (155) |  |  | — |  |  | (72) |  |  | — |  |  | (153) |  |  | 381 |  |  | — |  |  | (3) |  |  | 49 |  |  | 47 |
Provision (recovery of provision) |  | 179 |  |  | (15) |  |  | (1,451) |  |  | (158) |  |  | 975 |  |  | (1,083) |  |  | (1,253) |  |  | 96 |  |  | 151 |  |  | (2,559) |
Balance, end of period |  | $ | 15,166 |  |  | $ | 5,852 |  |  | $ | 25,842 |  |  | $ | 5,730 |  |  | $ | 36,429 |  |  | $ | 16,444 |  |  | $ | 21,325 |  |  | $ | 5,165 |  |  | $ | 1,802 |  |  | $ | 133,755 |
The following table shows the changes in the allowance for loan and lease losses, segregated by portfolio segment, for the nine months ended September 30, 2022 and 2021.
(Dollars in thousands) |  | Commercial and agricultural |  | Solar |  | Auto and light truck |  | Medium and heavy duty truck |  | Aircraft |  | Construction equipment |  | Commercial real estate |  | Residential real estate and home equity |  | Consumer |  | Total
September 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 15,409 |  |  | $ | 6,585 |  |  | $ | 19,624 |  |  | $ | 6,015 |  |  | $ | 33,628 |  |  | $ | 19,673 |  |  | $ | 19,691 |  |  | $ | 5,084 |  |  | $ | 1,783 |  |  | $ | 127,492 |
Charge-offs |  | 453 |  |  | — |  |  | 98 |  |  | — |  |  | — |  |  | 48 |  |  | — |  |  | 27 |  |  | 545 |  |  | 1,171 |
Recoveries |  | 46 |  |  | — |  |  | 212 |  |  | — |  |  | 653 |  |  | 11 |  |  | 43 |  |  | 129 |  |  | 418 |  |  | 1,512 |
Net charge-offs (recoveries) |  | 407 |  |  | — |  |  | (114) |  |  | — |  |  | (653) |  |  | 37 |  |  | (43) |  |  | (102) |  |  | 127 |  |  | (341) |
Provision (recovery of provision) |  | 1,145 |  |  | 209 |  |  | (741) |  |  | 998 |  |  | 3,014 |  |  | 3,213 |  |  | (1,244) |  |  | 883 |  |  | 426 |  |  | 7,903 |
Balance, end of period |  | $ | 16,147 |  |  | $ | 6,794 |  |  | $ | 18,997 |  |  | $ | 7,013 |  |  | $ | 37,295 |  |  | $ | 22,849 |  |  | $ | 18,490 |  |  | $ | 6,069 |  |  | $ | 2,082 |  |  | $ | 135,736 |
September 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 16,680 |  |  | $ | 5,549 |  |  | $ | 28,926 |  |  | $ | 6,400 |  |  | $ | 34,053 |  |  | $ | 19,166 |  |  | $ | 22,758 |  |  | $ | 5,374 |  |  | $ | 1,748 |  |  | $ | 140,654 |
Charge-offs |  | 307 |  |  | — |  |  | 5,060 |  |  | — |  |  | — |  |  | 559 |  |  | — |  |  | 42 |  |  | 355 |  |  | 6,323 |
Recoveries |  | 694 |  |  | — |  |  | 664 |  |  | — |  |  | 513 |  |  | 424 |  |  | 19 |  |  | 14 |  |  | 282 |  |  | 2,610 |
Net charge-offs (recoveries) |  | (387) |  |  | — |  |  | 4,396 |  |  | — |  |  | (513) |  |  | 135 |  |  | (19) |  |  | 28 |  |  | 73 |  |  | 3,713 |
Provision (recovery of provision) |  | (1,901) |  |  | 303 |  |  | 1,312 |  |  | (670) |  |  | 1,863 |  |  | (2,587) |  |  | (1,452) |  |  | (181) |  |  | 127 |  |  | (3,186) |
Balance, end of period |  | $ | 15,166 |  |  | $ | 5,852 |  |  | $ | 25,842 |  |  | $ | 5,730 |  |  | $ | 36,429 |  |  | $ | 16,444 |  |  | $ | 21,325 |  |  | $ | 5,165 |  |  | $ | 1,802 |  |  | $ | 133,755 |
Schedule of changes in allowance for credit losses on unfunded loan commitments | The following table shows the changes in the liability for credit losses on unfunded loan commitments.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(Dollars in thousands) | 2022 |  | 2021 |  | 2022 |  | 2021
Balance, beginning of period | $ | 5,497 |  |  | $ | 4,317 |  |  | $ | 4,196 |  |  | $ | 4,499 |
(Recovery of provision) provision | (281) |  |  | 46 |  |  | 1,020 |  |  | (136) |
Balance, end of period | $ | 5,216 |  |  | $ | 4,363 |  |  | $ | 5,216 |  |  | $ | 4,363 |

X
- Definition Tabular disclosure of allowance for credit losses on unfunded loan commitments + References No definition available. + Details
Name: | source_AllowanceForCreditLossesOnUnfundedLoanCommitmentsTableTextBlackTableTextBlock
Namespace Prefix: | source_
Data Type: | dtr-types: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/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + 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_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration