Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Consolidated Balance Sheets [Abstract]
Loans receivable, allowance for loan losses	$ 1,393	$ 2,480
Investor notes payable, debt issuance costs	$ 55	$ 92
Preferred units - Series A, units authorized	1,000,000	1,000,000
Preferred units - Series A, units issued	117,100	117,100
Preferred units - Series A, units outstanding	117,100	117,100
Preferred units - Series A, liquidation preference per unit	$ 100	$ 100
Common units - Class A, units authorized	1,000,000	1,000,000
Common units - Class A, units issued	146,522	146,522
Common units - Class A, units outstanding	146,522	146,522