XML 71 R56.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value Measurements - Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Interest Rate Lock Commitments [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets Beginning Balance |  | $ 0 | [1] | $ 9,161 |
Total Realized and Unrealized Gains (Losses), Assets | [2],[3] |  |  | 4,345 |
Sales and Settlements | [4],[5] |  |  | (13,506) |
Assets Ending Balance | [1] |  |  | 0 |
Liabilities Beginning Balance |  | 0 |  | 923 |
Total Realized and Unrealized Gains (Loss), Liabilities |  |  |  | 923 |
Liabilities Ending Balance |  |  |  | 0 |
Investments |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets Beginning Balance | [1] | 158 | [5] | 157 |
Total Realized and Unrealized Gains (Losses), Assets |  | 11 | [4],[5] | 1 | [1],[2],[3]
Purchases and Issuances | [5] | 0 |  |  |
Sales and Settlements | [5] | 0 |  |  |
Transfers In (Out) | [5] | 0 |  |  |
Assets Ending Balance | [5] | 169 |  | 158 | [1]
Auction Rate Securities Purchase Commitment |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets Beginning Balance | [5] | 849 |  | 0 |
Total Realized and Unrealized Gains (Losses), Assets | [4],[5] | (849) |  | 849 |
Purchases and Issuances | [5] | 0 |  |  |
Sales and Settlements | [5] | 0 |  |  |
Transfers In (Out) | [5] | 0 |  |  |
Assets Ending Balance | [5] | 0 |  | 849 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances | [5] | 0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) | [5] | 0 |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 | [5] | 0 |  |  |
Auction rate securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets Beginning Balance |  | 84,926 | [6],[7] | 86,802 |
Total Realized and Unrealized Gains (Losses), Assets |  | 1,177 | [4],[6],[7] | 1,974 | [2],[3]
Purchases and Issuances |  | 27,225 | [6],[7] | 13,775 | [8]
Sales and Settlements |  | (1,475) | [6],[7] | (17,625) |
Transfers In (Out) |  | (24,455) |  |  |
Assets Ending Balance | [6],[7] | 87,398 |  | 84,926 |
Auction Rate Securities Purchase Commitment |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Liabilities Beginning Balance | [9] | 645 |  | 1,369 |
Total Realized and Unrealized Gains (Loss), Liabilities | [5] | 637 |  | 724 |
Liabilities Ending Balance |  | 8 |  | 645 | [9]
Municipal obligations |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets Beginning Balance |  | 44 |  | 81 |
Total Realized and Unrealized Gains (Losses), Assets |  | (9) | [4] | 25 | [2],[3]
Purchases and Issuances |  | 0 |  |  |
Sales and Settlements |  | 0 |  | (62) |
Transfers In (Out) |  | 0 |  |  |
Assets Ending Balance |  | 35 |  | $ 44 |
Fair Value, Inputs, Level 2 [Member] | Auction rate securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Transfers In (Out) |  | $ 24,500 |  |  |
[1] | (7)Sales and settlements for the ARS purchase commitments represent additional purchase commitments made during the period for regulatory and legal ARS settlements and awards.
[2] | (3)Represents the difference in principal and fair value for auction rate securities purchase commitments outstanding at the end of the period.
[3] | 6)Purchases and issuances in connection with ARS purchase commitments represent instances in which the Company purchased ARS securities from clients during the period pursuant to regulatory and legal settlements and awards that satisfy the outstanding commitment to purchase obligation. This also includes instances where the ARS issuer has redeemed ARS where the Company had an outstanding purchase commitment prior to the Company purchasing those ARS.
[4] | )Unrealized gains (losses) are attributable to assets or liabilities that are still held at the reporting date.(Expressed in thousands) Level 3 Assets and Liabilities For the Year Ended December 31, 2016 BeginningBalance Total Realizedand UnrealizedGains (4)(5) Purchasesand Issuances Sales and Settlements TransfersIn (Out) EndingBalance Assets Municipal obligations$81 $25 $— $(62) $— $44Auction rate securities (1)(6)(7) 86,802 1,974 13,775 (17,625) — 84,926Interest rate lock commitments (2)9,161 4,345 — (13,506) — —Investments157 1 — — — 158ARS purchase commitments (3)— 849 — — — 849Liabilities Interest rate lock commitments (2)923 923 — — — —ARS purchase commitments (3)1,369 724 — — — 645
[5] | 3)Included in principal transactions in the consolidated statement of operations, except for gains from investments which are included in other income in the consolidated statement of operations.
[6] | 1)Represents auction rate preferred securities, municipal auction rate securities and student loan auction rate securities that failed in the auction rate market.
[7] | nterest rate lock commitment assets and liabilities are recorded upon the commitment to originate a loan with a borrower and sell the loan to an investor. The commitment assets and liabilities are recognized at fair value, which reflects the fair value of the contractual loan origination-related fees and sale premiums, net of co-broker fees, and the estimated fair value of the expected net future cash flows associated with the servicing of the loan.
[8] | 5)Unrealized gains are attributable to assets or liabilities that are still held at the reporting date.
[9] | 4)Included in principal transactions in the consolidated statement of operations, except for gains from investments which are included in other income in the consolidated statement of operations.

X
- Definition Fair value assets measured on recurring basis change in realized and unrealized gain (loss) included in other income. + References No definition available. + Details
Name: | opy_FairValueAssetsMeasuredOnRecurringBasisChangeInRealizedAndUnrealizedGainLossIncludedInOtherIncome
Namespace Prefix: | opy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis asset purchases sales issuances settlements. + References No definition available. + Details
Name: | opy_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesIssuances
Namespace Prefix: | opy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis asset sales settlements. + References No definition available. + Details
Name: | opy_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesSettlements
Namespace Prefix: | opy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_InterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_InvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=opy_AuctionRateSecuritiesPurchaseCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_AuctionRateSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=opy_AuctionRateSecuritiesPurchaseCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_MunicipalNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |