Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
REO
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	$ 1,380	$ 1,380
Gain (Loss) on assets measured at fair value on a non-recurring basis	0	0
REO | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	0	0
REO | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	0	0
REO | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	1,380	1,380
Strategic investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	17,240	17,240
Gain (Loss) on assets measured at fair value on a non-recurring basis	9,990	9,990
Strategic investments | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	0	0
Strategic investments | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	0	0
Strategic investments | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
REO	$ 17,240	$ 17,240