Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Notes Payable (Schedule of Notes Payable) (Details)

v3.19.1

Notes Payable (Schedule of Notes Payable) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Notes payable	$ 254,072	$ 96,849	$ 96,849
Less: Unamortized debt issuance costs	(7,086)		(3,412)
Unamortized discount	6,372		424
Notes payable to clearing firm under forgivable loans
Debt Instrument [Line Items]
Notes payable	0		2,143
Notes payable under subsidiary's term loan with bank
Debt Instrument [Line Items]
Notes payable	0		6,563
Note payable under subsidiary's revolver with bank
Debt Instrument [Line Items]
Notes payable	89		216
Notes payable by subsidiary to certain former shareholders of Highland
Debt Instrument [Line Items]
Notes payable	0		6,738
Notes payable to KMS's former shareholders, net of $98 of unamortized discount in 2017
Debt Instrument [Line Items]
Notes payable	0		1,958
Unamortized discount			98
Notes payable to SSN's former shareholders, net of $326 unamortized discount in 2017
Debt Instrument [Line Items]
Notes payable	0		6,074
Unamortized discount			326
Notes Payable \| Notes payable to Kestler Financial Group's former shareholders
Debt Instrument [Line Items]
Long-term Debt, Gross	5,399		0
Notes Payable \| Notes payable to Four Seasons Financial Group's former shareholders
Debt Instrument [Line Items]
Long-term Debt, Gross	364		0
Senior Notes \| 6.5% Senior Notes
Debt Instrument [Line Items]
Senior notes	82,742		76,569
Unamortized discount	67		0
Senior Notes \| 7% Senior Notes
Debt Instrument [Line Items]
Senior notes	42,475		0
Unamortized discount	45
Senior Notes \| 7.25% Senior Notes
Debt Instrument [Line Items]
Senior notes	60,000		$ 0
Senior Notes \| 7.25% Senior Notes
Debt Instrument [Line Items]
Senior notes	70,089
Unamortized discount	$ 6,261

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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