TWO Quarterly report pursuant to Section 13 or 15(d)

Schedule of Restricted Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 783,974	$ 1,261,667
Restricted Cash and Cash Equivalents Held for Securities Trading Activity [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	23,800	44,800
Restricted Cash and Cash Equivalents Held for Derivatives Trading Activity [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	249,028	70,600
Restricted Cash and Cash Equivalents Held for Servicing Activities [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	13,651	19,768
Restricted Cash and Cash Equivalents Pledged as Restricted Collateral for Borrowings [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	497,435	1,126,439
Restricted Cash and Cash Equivalents Held by Counterparties [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	783,914	1,261,607
Restricted Cash and Cash Equivalents for Lease [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 60	$ 60