XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Fair Values of Financial Instruments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Fair Values of Financial Instruments |
Schedule of carrying amount and estimated fair values of financial instruments |
|  | September 30, 2016
|  | Carrying |  | Fair |  |  |  |  |  |  |  |  |
|  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  | $ | 29,203 |  | $ | 29,203 |  | $ | 29,203 |  | $ | - |  | $ | -
Interest bearing deposits with financial institutions |  |  | 160,744 |  |  | 160,744 |  |  | 160,744 |  |  | - |  |  | -
Securities available-for-sale |  |  | 531,057 |  |  | 531,057 |  |  | - |  |  | 531,057 |  |  | -
FHLBC and Reserve Bank Stock |  |  | 7,918 |  |  | 7,918 |  |  | - |  |  | 7,918 |  |  | -
Loans held-for-sale |  |  | 3,750 |  |  | 3,750 |  |  | - |  |  | 3,750 |  |  | -
Loans |  |  | 1,202,852 |  |  | 1,187,889 |  |  | - |  |  | - |  |  | 1,187,889
Accrued interest receivable |  |  | 4,402 |  |  | 4,402 |  |  | - |  |  | 4,402 |  |  | -
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noninterest bearing deposits |  | $ | 473,477 |  | $ | 473,477 |  | $ | 473,477 |  | $ | - |  | $ | -
Interest bearing deposits |  |  | 1,303,905 |  |  | 1,304,543 |  |  | - |  |  | 1,304,543 |  |  | -
Securities sold under repurchase agreements |  |  | 46,606 |  |  | 46,606 |  |  | - |  |  | 46,606 |  |  | -
Other short-term borrowings |  |  | - |  |  | - |  |  | - |  |  | - |  |  | -
Junior subordinated debentures |  |  | 57,579 |  |  | 56,388 |  |  | 33,452 |  |  | 22,936 |  |  | -
Subordinated debenture |  |  | 45,000 |  |  | 42,626 |  |  | - |  |  | 42,626 |  |  | -
Note payable and other borrowings |  |  | 500 |  |  | 465 |  |  | - |  |  | 465 |  |  | -
Interest rate swap agreements |  |  | 4,910 |  |  | 4,910 |  |  |  |  |  | 4,910 |  |  |
Borrowing interest payable |  |  | 73 |  |  | 73 |  |  | - |  |  | 73 |  |  | -
Deposit interest payable |  |  | 500 |  |  | 500 |  |  | - |  |  | 500 |  |  | -
|  | December 31, 2015
|  | Carrying |  | Fair |  |  |  |  |  |
|  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  | $ | 26,975 |  | $ | 26,975 |  | $ | 26,975 |  | $ | - |  | $ | -
Interest bearing deposits with financial institutions |  |  | 13,363 |  |  | 13,363 |  |  | 13,363 |  |  | - |  |  | -
Securities available-for-sale |  |  | 456,066 |  |  | 456,066 |  |  | 1,509 |  |  | 454,446 |  |  | 111
Securities held-to-maturity |  |  | 247,746 |  |  | 251,675 |  |  | - |  |  | 251,675 |  |  | -
FHLBC and Reserve Bank Stock |  |  | 8,518 |  |  | 8,518 |  |  | - |  |  | 8,518 |  |  | -
Loans held-for-sale |  |  | 2,849 |  |  | 2,849 |  |  | - |  |  | 2,849 |  |  | -
Loans |  |  | 1,117,492 |  |  | 1,126,959 |  |  | - |  |  | - |  |  | 1,126,959
Accrued interest receivable |  |  | 4,464 |  |  | 4,464 |  |  | - |  |  | 4,464 |  |  | -
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noninterest bearing deposits |  | $ | 442,639 |  | $ | 442,639 |  | $ | 442,639 |  | $ | - |  | $ | -
Interest bearing deposits |  |  | 1,316,447 |  |  | 1,316,550 |  |  | - |  |  | 1,316,550 |  |  | -
Securities sold under repurchase agreements |  |  | 34,070 |  |  | 34,070 |  |  | - |  |  | 34,070 |  |  | -
Other short-term borrowings |  |  | 15,000 |  |  | 15,000 |  |  | - |  |  | 15,000 |  |  | -
Junior subordinated debentures |  |  | 57,543 |  |  | 53,851 |  |  | 31,606 |  |  | 22,245 |  |  | -
Subordinated debenture |  |  | 45,000 |  |  | 41,101 |  |  | - |  |  | 41,101 |  |  | -
Note payable and other borrowings |  |  | 500 |  |  | 445 |  |  | - |  |  | 445 |  |  | -
Interest rate swap agreements |  |  | 631 |  |  | 631 |  |  |  |  |  | 631 |  |  |
Borrowing interest payable |  |  | 75 |  |  | 75 |  |  | - |  |  | 75 |  |  | -
Deposit interest payable |  |  | 445 |  |  | 445 |  |  | - |  |  | 445 |  |  | -

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

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration