XML 30 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Financial Instruments - Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013 | Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | $ 3,833 | $ 0 | $ 3,833 | $ 0 | $ 4,402 | $ 3,653 | $ 100 | $ 100
Total Realized and Unrealized Gains (Losses) | 569 |  | (180) |  |  |  |  |
Purchases and Issuances |  | 100 |  | 100 |  |  |  |
Investments [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Beginning Balance | 8,706 | 12,779 | 5,946 | 12,954 |  |  |  |
Total Realized and Unrealized Gains (Losses) | 82 | 0 | (87) | 623 |  |  |  |
Purchases and Issuances | 115 | 292 | 4,167 | 125 |  |  |  |
Sales and Settlements | (124) | 2 | (627) | (728) |  |  |  |
Transfers In (Out) | 0 | (99) | (620) | 0 |  |  |  |
Ending Balance | 8,779 | 12,974 | 8,779 | 12,974 |  |  |  |
Interest Rate Lock Commitments [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Beginning Balance | 3,038 |  | 2,375 |  |  |  |  |
Total Realized and Unrealized Gains (Losses) | 7,490 |  | 8,153 |  |  |  |  |
Ending Balance | 10,528 |  | 10,528 |  |  |  |  |
Auction Rate Securities [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Beginning Balance | 85,025 | 72,553 | 85,124 | 72,118 |  |  |  |
Total Realized and Unrealized Gains (Losses) | (327) | 498 | (326) | (192) |  |  |  |
Purchases and Issuances | 10,975 | 6,175 | 14,175 | 10,425 |  |  |  |
Sales and Settlements | (3,125) | (1,150) | (6,425) | (4,275) |  |  |  |
Ending Balance | 92,548 | 78,076 | 92,548 | 78,076 |  |  |  |
Auction Rate Securities Purchase Commitment [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 1,514 | 2,329 | 1,514 | 2,329 | 2,205 | 2,600 | 2,094 | 2,647
Total Realized and Unrealized Gains (Losses) | 691 | (235) | 1,086 | 318 |  |  |  |
Mortgage and Other Asset-Backed Securities [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Beginning Balance |  | 52 |  | 40 |  |  |  |
Total Realized and Unrealized Gains (Losses) |  | 7 |  | 14 |  |  |  |
Purchases and Issuances |  | 50 |  | 73 |  |  |  |
Sales and Settlements |  | (36) |  | (54) |  |  |  |
Transfers In (Out) |  | (6) |  | (6) |  |  |  |
Ending Balance |  | 67 |  | 67 |  |  |  |
Municipal Obligations [Member] |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |
Beginning Balance | 70 | 239 | 236 | 239 |  |  |  |
Total Realized and Unrealized Gains (Losses) | (18) | (3) | (184) | (3) |  |  |  |
Purchases and Issuances |  | 0 |  | 0 |  |  |  |
Sales and Settlements |  | 0 |  | 0 |  |  |  |
Ending Balance | $ 52 | $ 236 | $ 52 | $ 236 |  |  |  |

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
- Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant