Subsequent Events and Other Matters (Details)							1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 13, 2020 USD ($) extensionTerm	Aug. 11, 2020 USD ($) $ / shares	Jul. 29, 2020 USD ($)	Jul. 17, 2020 USD ($)	Jul. 15, 2020 USD ($) $ / shares	Jul. 06, 2020 class $ / shares	Aug. 10, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Subsequent Event [Line Items]
Cash, cash equivalents and restricted cash								$ 168,292,000	$ 76,885,000	$ 168,292,000	$ 76,885,000	$ 99,331,000	$ 125,436,000
Net losses attributable to common shareholders								(18,136,000)	$ (25,609,000)	(67,520,000)	$ (44,519,000)
LiquidTrust borrowers | Affiliated Entity
Subsequent Event [Line Items]
Related party note receivable								$ 69,400,000		$ 69,400,000
Subsequent Event
Subsequent Event [Line Items]
Exchange transaction, minimum fair value of common stock required for exchange (in dollars per share) | $ / shares						$ 10
Exchange transaction, number of trading days for measurement of common stock price						20 days
Exchange transaction, number of classes of subsidiary securities required to be listed on a national securities exchange prior to exchange transaction | class						1
Preferred stock, dividend rate, percentage (not less than)						7.50%
Preferred stock, conversion price, maximum (in dollars per share) | $ / shares					$ 10	$ 12
Preferred stock, convertible, trading days threshold					20 days
Preferred stock, preferred return prior to IPO, basis spread on inflation adjustment amount					0.50%
Preferred stock, preferred return after IPO, basis spread on inflation adjustment amount					0.75%
Preferred stock, preferred return, denominator, basis spread minus over highest effective marginal combined tax rate					100.00%
Change of control event, trigger threshold percentage					25.00%
Automatic exchange of common units, threshold trading days					20 days
Automatic exchange of common units, threshold (in dollars per share) | $ / shares					$ 12.75
Exchange of units, capital account minimum threshold					$ 10,000,000
Line of credit, maximum interest rate	9.50%
Line of credit, number of repayment installments | extensionTerm	3
Line of credit, amount of each installment	$ 25,000,000.0
Line of credit, debt conversion, percent of outstanding loan balance	110.00%
Line of credit, repayment fee percentage	0.020
Line of credit, lender option to purchase preferred stock	$ 152,000,000.0
Line of credit, lender option to purchase preferred stock, term	2 years
Line of credit, lender option to purchase preferred stock, senior portion of preferred stock, percentage	5.00%
Line of credit, lender option to purchase preferred stock, maximum threshold for tax liability	$ 30,000,000
Line of credit, covenant, limit on incurring additional borrowings	$ 10,000,000.0
Cash, cash equivalents and restricted cash							$ 123,500,000
Face value of insurance benefits							19,100,000
L Bonds Issued							$ 56,900,000
Subsequent Event | Put Option
Subsequent Event [Line Items]
Purchase of put options				$ 14,800,000
Notional amount of put options				$ 300,000,000.0
Subsequent Event | Ben LP
Subsequent Event [Line Items]
Additional Common Units received upon exercise of option		$ 57,500,000
Average price (in dollars per share) | $ / shares		$ 7.10
Subsequent Event | Beneficient Company Holdings Preferred C Investment | LiquidTrust borrowers | Affiliated Entity
Subsequent Event [Line Items]
Conversion of note receivable to capital			$ 75,000,000.0
Conversion of note receivable, additional potential capital interests			$ 5,000,000.0
Subsequent Event | LIBOR
Subsequent Event [Line Items]
Line of credit, basis spread on variable rate	8.00%