Investments in Unconsolidated Entities Schedule of Ownership of Investments in Unconsolidated Entities (Details)	Mar. 31, 2020	Dec. 31, 2019
Longbridge Financial LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	49.70%	49.70%
LendSure Mortgage Corp [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	49.90%	49.90%
Jepson Holdings Limited
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	30.10%	30.10%
Elizon AFG 2018-1 LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	10.90%	13.40%
Elizon DB 2015-1 LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	7.60%	3.50%
Minimum | Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	7.10%	7.70%
Maximum | Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	51.00%	51.00%