Subsequent Events	12 Months Ended
Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events (unaudited)On February 18, 2020, Franklin Resources, Inc. (“Franklin”) and Legg Mason announced that they had entered into an agreement under which Franklin would acquire Legg Mason and its affiliates, including the Manager. The transaction is expected to close in the third quarter of 2020 and is subject to customary closing conditions. Upon completion of the transaction the Manager would become a wholly owned subsidiary of Franklin.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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