2.2.0.7 false Condensed Consolidated Statements of Income (Unaudited) (USD $) 0120 - Statement - Condensed Consolidated Statements of Income (Unaudited) true false false false 1 USD false false USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 3 Revenues 1 us-gaap_RevenuesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 4 Financial advisory fees 2 us-gaap_InvestmentBankingRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 61921454 61921454 false false false 2 true true false false 45511600 45511600 false false false 3 true true false false 98518763 98518763 false false false 4 true true false false 110656294 110656294 false false false xbrli:monetaryItemType monetary Includes (1) underwriting revenue (the spread between the resale price received and the cost of the securities and related expenses) generated through the purchasing, distributing and reselling of new issues of securities (alternatively, could be a secondary offering of a large block of previously issued securities); and (2) fees earned for mergers, acquisitions, divestitures, restructurings, and other types of financial advisory services. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 9, 51, 58 -IssueDate 2006-05-01 false 5 Merchant banking and other investment revenues 2 us-gaap_PrincipalInvestmentGainsLosses us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 21498748 21498748 false false false 2 false true false false 8345598 8345598 false false false 3 false true false false 33737401 33737401 false false false 4 false true false false 4954843 4954843 false false false xbrli:monetaryItemType monetary The revenue derived from principal investments made by the financial institution. These investments can include (but are not limited to) investments in private equity, alternative investment products, real estate, exchanges and memberships. Principal Investment gains or losses includes realized and unrealized investment gains or losses. No authoritative reference available. false 6 Interest income 2 us-gaap_InterestIncomeOperating us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 108401 108401 false false false 2 false true false false 243538 243538 false false false 3 false true false false 128367 128367 false false false 4 false true false false 316278 316278 false false false xbrli:monetaryItemType monetary Interest generated from day to day operating activities of the business. This element represents a revenue generating activity and is therefore gross (before any related cost of revenue items). No authoritative reference available. true 7 Total revenues 2 us-gaap_Revenues us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 83528603 83528603 false false false 2 false true false false 54100736 54100736 false false false 3 false true false false 132384531 132384531 false false false 4 false true false false 115927415 115927415 false false false xbrli:monetaryItemType monetary Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 8 Expenses 1 us-gaap_OperatingExpensesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 9 Employee compensation and benefits 2 us-gaap_LaborAndRelatedExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 38368345 38368345 false false false 2 false true false false 25215512 25215512 false false false 3 false true false false 70523357 70523357 false false false 4 false true false false 53655786 53655786 false false false xbrli:monetaryItemType monetary The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including share-based compensation, and pension and other postretirement benefit expense. No authoritative reference available. false 10 Occupancy and equipment rental 2 us-gaap_OccupancyNet us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3680902 3680902 false false false 2 false true false false 3022834 3022834 false false false 3 false true false false 6830191 6830191 false false false 4 false true false false 5572830 5572830 false false false xbrli:monetaryItemType monetary Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 62 -IssueDate 2006-05-01 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph d Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 15 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph c false 11 Depreciation and amortization 2 us-gaap_DepreciationAndAmortization us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1663639 1663639 false false false 2 false true false false 1277820 1277820 false false false 3 false true false false 2415796 2415796 false false false 4 false true false false 2431581 2431581 false false false xbrli:monetaryItemType monetary The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 12 Information services 2 us-gaap_InformationTechnologyAndDataProcessing us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1434404 1434404 false false false 2 false true false false 1256388 1256388 false false false 3 false true false false 3173481 3173481 false false false 4 false true false false 2745994 2745994 false false false xbrli:monetaryItemType monetary The amount of expenses incurred in the period for information technology and data processing products and services. No authoritative reference available. false 13 Professional fees 2 us-gaap_ProfessionalFees us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1988670 1988670 false false false 2 false true false false 1552136 1552136 false false false 3 false true false false 4232536 4232536 false false false 4 false true false false 2984252 2984252 false false false xbrli:monetaryItemType monetary A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. No authoritative reference available. false 14 Travel related expenses 2 us-gaap_TravelAndEntertainmentExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 2908794 2908794 false false false 2 false true false false 1984481 1984481 false false false 3 false true false false 5126524 5126524 false false false 4 false true false false 3896168 3896168 false false false xbrli:monetaryItemType monetary Expenses incurred for travel and entertainment during the period. No authoritative reference available. false 15 Interest expense 2 us-gaap_InterestExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 584340 584340 false false false 2 false true false false 341958 341958 false false false 3 false true false false 1112382 1112382 false false false 4 false true false false 695604 695604 false false false xbrli:monetaryItemType monetary The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 9 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 false 16 Other operating expenses 2 us-gaap_OtherCostAndExpenseOperating us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 2653160 2653160 false false false 2 false true false false 2301531 2301531 false false false 3 false true false false 5551658 5551658 false false false 4 false true false false 4402035 4402035 false false false xbrli:monetaryItemType monetary The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 true 17 Total expenses 2 us-gaap_OperatingExpenses us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 53282254 53282254 false false false 2 false true false false 36952660 36952660 false false false 3 false true false false 98965925 98965925 false false false 4 false true false false 76384250 76384250 false false false xbrli:monetaryItemType monetary Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No authoritative reference available. false 18 Income before taxes 1 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 30246349 30246349 false false false 2 false true false false 17148076 17148076 false false false 3 false true false false 33418606 33418606 false false false 4 false true false false 39543165 39543165 false false false xbrli:monetaryItemType monetary Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 false 19 Provision for taxes 1 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 11358643 11358643 false false false 2 false true false false 6854759 6854759 false false false 3 false true false false 11679098 11679098 false false false 4 false true false false 15531376 15531376 false false false xbrli:monetaryItemType monetary The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b true 20 Consolidated net income 1 us-gaap_ProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 18887706 18887706 false false false 2 false true false false 10293317 10293317 false false false 3 false true false false 21739508 21739508 false false false 4 false true false false 24011789 24011789 false false false xbrli:monetaryItemType monetary The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) false 21 Less: Net income (loss) allocated to noncontrolling interests 1 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1337676 1337676 false false false 2 false true false false 509 509 false false false 3 false true false false 3677582 3677582 false false false 4 false true false false -179134 -179134 false false false xbrli:monetaryItemType monetary The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 true 22 Net income allocated to common stockholders 1 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 true true false false 17550030 17550030 false false false 2 true true false false 10292808 10292808 false false false 3 true true false false 18061926 18061926 false false false 4 true true false false 24190923 24190923 false false false xbrli:monetaryItemType monetary Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 true 23 Average shares outstanding: 1 us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 24 Basic 2 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 30708263 30708263 false false false 2 false true false false 29508520 29508520 false false false 3 false true false false 30301144 30301144 false false false 4 false true false false 29495056 29495056 false false false xbrli:sharesItemType shares Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 25 Diluted 2 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 30768603 30768603 false false false 2 false true false false 29623249 29623249 false false false 3 false true false false 30372089 30372089 false false false 4 false true false false 29572969 29572969 false false false xbrli:sharesItemType shares The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 26 Earnings per share: 1 us-gaap_EarningsPerShareAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 27 Basic 2 us-gaap_EarningsPerShareBasic us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 0.57 0.57 false false false 2 true true false false 0.35 0.35 false false false 3 true true false false 0.6 0.6 false false false 4 true true false false 0.82 0.82 false false false us-types:perShareItemType decimal The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 false 28 Diluted 2 us-gaap_EarningsPerShareDiluted us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 0.57 0.57 false false false 2 true true false false 0.35 0.35 false false false 3 true true false false 0.59 0.59 false false false 4 true true false false 0.82 0.82 false false false us-types:perShareItemType decimal The amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 11, 12, 36 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 false 29 Dividends declared and paid per share 2 us-gaap_CommonStockDividendsPerShareCashPaid us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 0.45 0.45 false false false 2 true true false false 0.45 0.45 false false false 3 true true false false 0.9 0.9 false false false 4 true true false false 0.9 0.9 false false false us-types:perShareItemType decimal Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 false 4 27 false NoRounding NoRounding NoRounding false true