| Item | Type | Period | Balance | Description | | | | | |
| Brokers And Dealers Abstract | | | | |
| Broker-Dealer Disclosure | | duration | | The entire disclosure for financial services, specifically for brokers and dealers, for the accounting period and at the balance sheet date. Disclosure may include amounts receivable from and payable to broker-dealers and clearing organizations, including securities failed to receive, deposits received for securities loaned, amounts payable to clearing organizations related to open transactions, floor brokerage payables and payables for commodities futures accounts liquidating to an equity balance on a broker-dealer's records. May also include disclosure on company's consolidation policy and a note indicating the amount of the broker-dealer's actual net capital and the amount of required net capital. |
| Cash and Securities Segregated under Federal and Other Regulations Disclosures | text | | | |
| Assets under Management | text | | | |
| Financial Instruments Sold, Not yet Purchased, at Fair Value | text | | | |
| Securities Financing Transactions | text | | | |
| Securities Owned and Other Investments Not Readily Marketable Disclosure | | duration | | Tabular disclosure of quantitative and qualitative information related to securities and other investments not readily marketable, including, but not limited to, thinly traded securities or investments, restricted securities and securities in nonpublic entities. |
| Schedule of Securities Owned and Sold, Not yet Purchased, at Fair Value | | duration | | Tabular disclosure of financial instruments held by a broker-dealer for its own account (proprietary securities) for trading or investment purposes that are carried at fair value including securities sold, not yet purchased. |
| Schedule of Financial Instruments Owned and Pledged as Collateral | | duration | | Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. |
| Schedule of Customer Securities for which Entity has Right to Sell or Repledge | | duration | | Tabular disclosure of customer securities accepted by the entity as collateral and re-pledged to counterparties as collateral or sold, including sources and uses of collateral, fair value of collateral and portion of that collateral that has been sold or re-pledged. |
| Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure | | duration | | The entire disclosure for repurchase agreements (also known as repos), resale agreements (also known as reverse repurchase agreements or reverse repos), securities borrowed transactions, and securities loaned transactions. |
| Broker-Dealer Liabilities | text | | | |
| Due to and from Broker-Dealers and Clearing Organizations | text | | | |
| Subordinated Borrowings | text | | | |
| Floor Brokerage, Exchange and Clearance Fees | text | | | |
| Schedule of Principal Transactions Revenue | | duration | | Tabular disclosure of revenue by reporting categories or types of financial instruments, including derivatives but excluding dividends and interests, from trading for own account by broker dealers. |
| Insurance Services Revenue | text | | | |
| Regulatory Capital Requirements Abstract | | | | |
| Items Included In Consolidated Statement Of Financial Condition Abstract | | | | |
| Transfer of Financial Assets Accounted for as Sales | | duration | | Tabular disclosure of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction. |
| Transfer of Certain Financial Assets Accounted for as Secured Borrowings | | duration | | Tabular disclosure of the nature and risks of short-term collateralized financing obtained through repurchase agreements, securities lending transactions and repurchase-to-maturity transactions, accounted for as secured borrowings. |