Consolidation Consolidated Federated Fund VIEs (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
---|---|---|
Variable Interest Entities [Line Items] | ||
Investments—Consolidated Investment Companies | $ 33,603 | $ 45,411 |
Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities | 11,300 | 12,700 |
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member] | ||
Variable Interest Entities [Line Items] | ||
Investments—Consolidated Investment Companies | 31,700 | 39,700 |
Less: Liabilities | 600 | 400 |
Less: Redeemable noncontrolling interest in subsidiaries | 20,300 | 27,700 |
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member] | Cash and Cash Equivalents [Member] | ||
Variable Interest Entities [Line Items] | ||
Consolidated VIE assets | 0 | 100 |
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member] | Trade Accounts Receivable [Member] | ||
Variable Interest Entities [Line Items] | ||
Consolidated VIE assets | $ 500 | $ 1,000 |