XML 85 R68.htm IDEA: XBRL DOCUMENT
v3.20.1

Supplemental Guarantor Condensed Consolidated Financial Statements - Additional Information (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Jun. 23, 2017
Condensed Consolidated financial statements [Line Items] |  |
Interest owned by the holding company | 100.00% |
Secured Debt [Member] | 6.75% Senior Secured Notes [Member] |  |
Condensed Consolidated financial statements [Line Items] |  |
Debt Instrument, Face Amount |  | $ 200.0

X
- Definition [Line Items] for Condensed Consolidated financial statements [Table] + References No definition available. + Details
Name: | opy_CondensedConsolidatedfinancialstatementsLineItems
Namespace Prefix: | opy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership the holding company owns the guarantors. + References No definition available. + Details
Name: | opy_InterestOwnershipByHoldingCompany
Namespace Prefix: | opy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=opy_A6.75SeniorSecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |