XML 52 R36.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Allowance for Loan Losses (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Allowance for Loan Losses |
Schedule of changes in the allowance for loan losses by segment of loans based on method of impairment | Changes in the ALLL by segment of loans based on method of impairment for the year ended December 31, 2018, were as follows:
|  |  |  |  |  | Real Estate |  | Real Estate |  | Real Estate |  |  |  |  |  |
Allowance for loan and lease losses: |  | Commercial |  | Leases |  | Commercial |  | Construction |  | Residential |  | HELOC |  | Other 1 |  | Total
Beginning balance |  | $ | 2,453 |  | $ | 692 |  | $ | 9,522 |  | $ | 923 |  | $ | 1,846 |  | $ | 1,446 |  | $ | 579 |  | $ | 17,461
Charge-offs |  |  | 41 |  |  | 13 |  |  | 1,548 |  |  | (16) |  |  | (45) |  |  | 147 |  |  | 409 |  |  | 2,097
Recoveries |  |  | 157 |  |  | - |  |  | 447 |  |  | 35 |  |  | 1,146 |  |  | 364 |  |  | 265 |  |  | 2,414
Provision (Release) |  |  | 263 |  |  | 55 |  |  | 2,049 |  |  | (5) |  |  | (1,106) |  |  | (214) |  |  | 186 |  |  | 1,228
Ending balance |  | $ | 2,832 |  | $ | 734 |  | $ | 10,470 |  | $ | 969 |  | $ | 1,931 |  | $ | 1,449 |  | $ | 621 |  | $ | 19,006
Ending balance: Individually evaluated for impairment |  | $ | - |  | $ | - |  | $ | 239 |  | $ | 1 |  | $ | 50 |  | $ | 49 |  | $ | 13 |  | $ | 352
Ending balance: Collectively evaluated for impairment |  |  | 2,832 |  |  | 734 |  |  | 10,231 |  |  | 968 |  |  | 1,881 |  |  | 1,400 |  |  | 608 |  |  | 18,654
Ending balance: Acquired and accounted for ASC 310-30 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | -
Total ending allowance balance |  | $ | 2,832 |  | $ | 734 |  | $ | 10,470 |  | $ | 969 |  | $ | 1,931 |  | $ | 1,449 |  | $ | 621 |  | $ | 19,006
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance: Individually evaluated for Impairment |  | $ | - |  | $ | - |  | $ | 9,785 |  | $ | 106 |  | $ | 8,196 |  | $ | 2,241 |  | $ | 31 |  | $ | 20,359
Ending balance: Collectively evaluated for impairment |  |  | 314,323 |  |  | 78,806 |  |  | 811,156 |  |  | 108,284 |  |  | 398,872 |  |  | 138,201 |  |  | 16,061 |  |  | 1,865,703
Ending balance: Acquired and accounted for ASC 310-30 |  |  | - |  |  | - |  |  | 4,182 |  |  | 745 |  |  | 6,038 |  |  | - |  |  | - |  |  | 10,965
Total ending loans balance |  | $ | 314,323 |  | $ | 78,806 |  | $ | 825,123 |  | $ | 109,135 |  | $ | 413,106 |  | $ | 140,442 |  | $ | 16,092 |  | $ | 1,897,027
Changes in the ALLL by segment of loans based on method of impairment for the year ended December 31, 2017, were as follows:
|  |  |  |  |  | Real Estate |  | Real Estate |  | Real Estate |  |  |  |  |  |
Allowance for loan and lease losses: |  | Commercial |  | Leases |  | Commercial |  | Construction |  | Residential |  | HELOC |  | Other 1 |  | Total
Beginning balance |  | $ | 1,629 |  | $ | 633 |  | $ | 9,547 |  | $ | 389 |  | $ | 2,178 |  | $ | 1,331 |  | $ | 451 |  | $ | 16,158
Charge-offs |  |  | 25 |  |  | 215 |  |  | 309 |  |  | 23 |  |  | 1,347 |  |  | 386 |  |  | 1 |  |  | 2,306
Recoveries |  |  | 30 |  |  | - |  |  | 161 |  |  | 377 |  |  | 980 |  |  | 243 |  |  | 18 |  |  | 1,809
Provision (Release) |  |  | 819 |  |  | 274 |  |  | 123 |  |  | 180 |  |  | 35 |  |  | 258 |  |  | 111 |  |  | 1,800
Ending balance |  | $ | 2,453 |  | $ | 692 |  | $ | 9,522 |  | $ | 923 |  | $ | 1,846 |  | $ | 1,446 |  | $ | 579 |  | $ | 17,461
Ending balance: Individually evaluated for impairment |  | $ | - |  | $ | - |  | $ | - |  | $ | - |  | $ | 53 |  | $ | 91 |  | $ | - |  | $ | 144
Ending balance: Collectively evaluated for impairment |  |  | 2,453 |  |  | 692 |  |  | 9,522 |  |  | 923 |  |  | 1,793 |  |  | 1,355 |  |  | 579 |  |  | 17,317
Total ending allowance balance |  | $ | 2,453 |  | $ | 692 |  | $ | 9,522 |  | $ | 923 |  | $ | 1,846 |  | $ | 1,446 |  | $ | 579 |  | $ | 17,461
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance: Individually evaluated for impairment |  | $ | - |  | $ | 178 |  | $ | 3,041 |  | $ | 201 |  | $ | 14,575 |  | $ | 2,110 |  | $ | 7 |  | $ | 20,112
Ending balance: Collectively evaluated for impairment |  |  | 272,851 |  |  | 68,147 |  |  | 747,950 |  |  | 84,961 |  |  | 298,822 |  |  | 110,723 |  |  | 14,056 |  |  | 1,597,510
Total ending loan balance |  | $ | 272,851 |  | $ | 68,325 |  | $ | 750,991 |  | $ | 85,162 |  | $ | 313,397 |  | $ | 112,833 |  | $ | 14,063 |  | $ | 1,617,622
Changes in the ALLL by segment of loans based on method of impairment for the year ended December 31, 2016, were as follows:
|  |  |  |  |  | Real Estate |  | Real Estate |  | Real Estate |  |  |  |  |  |
Allowance for loan and lease losses: |  | Commercial |  | Leases |  | Commercial |  | Construction |  | Residential |  | HELOC |  | Other 1 |  | Total
Beginning balance |  | $ | 1,463 |  | $ | 633 |  | $ | 9,013 |  | $ | 265 |  | $ | 724 |  | $ | 2,050 |  | $ | 2,075 |  | $ | 16,223
Charge-offs |  |  | 95 |  |  | 23 |  |  | 1,633 |  |  | 23 |  |  | 450 |  |  | 622 |  |  | 344 |  |  | 3,190
Recoveries |  |  | 32 |  |  | 5 |  |  | 640 |  |  | 96 |  |  | 486 |  |  | 845 |  |  | 271 |  |  | 2,375
Provision (Release) |  |  | 229 |  |  | 18 |  |  | 1,527 |  |  | 51 |  |  | 1,418 |  |  | (942) |  |  | (1,551) |  |  | 750
Ending balance |  | $ | 1,629 |  | $ | 633 |  | $ | 9,547 |  | $ | 389 |  | $ | 2,178 |  | $ | 1,331 |  | $ | 451 |  | $ | 16,158
Ending balance: Individually evaluated for impairment |  | $ | - |  | $ | - |  | $ | 246 |  | $ | - |  | $ | 803 |  | $ | - |  | $ | - |  | $ | 1,049
Ending balance: Collectively evaluated for impairment |  |  | 1,629 |  |  | 633 |  |  | 9,301 |  |  | 389 |  |  | 1,375 |  |  | 1,331 |  |  | 451 |  |  | 15,109
Total ending allowance balance |  | $ | 1,629 |  | $ | 633 |  | $ | 9,547 |  | $ | 389 |  | $ | 2,178 |  | $ | 1,331 |  | $ | 451 |  | $ | 16,158
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance: Individually evaluated for impairment |  | $ | 240 |  | $ | 366 |  | $ | 6,448 |  | $ | 281 |  | $ | 12,468 |  | $ | 2,484 |  | $ | - |  | $ | 22,287
Ending balance: Collectively evaluated for impairment |  |  | 227,873 |  |  | 55,085 |  |  | 729,799 |  |  | 64,439 |  |  | 263,757 |  |  | 99,142 |  |  | 16,427 |  |  | 1,456,522
Total ending loan balance |  | $ | 228,113 |  | $ | 55,451 |  | $ | 736,247 |  | $ | 64,720 |  | $ | 276,225 |  | $ | 101,626 |  | $ | 16,427 |  | $ | 1,478,809
1 The “Other” class includes consumer loans, overdrafts and net deferred costs.

X
- References No definition available. + Details
Name: | osbc_AllowanceForLoanLossesDisclosureAbstract
Namespace Prefix: | osbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + 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 http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration