Notes Receivable from Financial Advisors	12 Months Ended
Notes Receivable from Financial Advisors	Dec. 31, 2019
Receivables [Abstract]
Notes Receivable from Financial Advisors	Notes Receivable from Financial Advisors From time to time, the Company’s subsidiaries may make loans to their financial advisors. The notes receivable balance is comprised of unsecured non-interest-bearing and interest-bearing loans (interest of up to 10.0%) to the financial advisors. These notes have various schedules for repayment or forgiveness and mature at various dates through 2029. The notes are amortized over the forgiveness period, which generally ranges from 3 to 5 years. Receivables are continually evaluated for collectability and possible write-offs and an allowance for doubtful accounts is provided where a loss is considered probable. As of December 31, 2019 and 2018, the allowance amounted to $1,769 and $1,528, respectively.