EXTERNAL INVESTMENT MANAGER - Balance Sheet (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Investment Company, Nonconsolidated Subsidiary [Line Items] | ||||||||||
| Total assets | $ 4,241,885 | $ 3,690,290 | ||||||||
| Dividend payable to MSCC and its subsidiaries | 17,676 | 15,159 | ||||||||
| Equity | 2,108,586 | 1,788,846 | $ 1,514,767 | $ 1,536,390 | $ 1,476,049 | $ 1,380,368 | $ 1,201,481 | $ 1,070,894 | $ 939,982 | $ 792,533 |
| Total liabilities and net assets | 4,241,885 | 3,690,290 | ||||||||
| External Investment Manager | ||||||||||
| Investment Company, Nonconsolidated Subsidiary [Line Items] | ||||||||||
| Cash | 0 | 0 | ||||||||
| Accounts receivable - advisory clients | 8,130 | 5,595 | ||||||||
| Intangible Asset | 29,500 | 29,500 | ||||||||
| Total assets | 37,630 | 35,095 | ||||||||
| Accounts payable to MSCC and its subsidiaries | 4,455 | 3,288 | ||||||||
| Dividend payable to MSCC and its subsidiaries | 3,675 | 2,307 | ||||||||
| Equity | 29,500 | 29,500 | ||||||||
| Total liabilities and net assets | $ 37,630 | $ 35,095 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|