FAIR VALUE MEASUREMENTS - Information Regarding Inputs used in Valuing Excess MSRs Owned Directly and through Equity Method Investees (Details)	3 Months Ended
	Mar. 31, 2022 $ / Loan
Prepayment Rate | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.032
Prepayment Rate | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.124
Prepayment Rate | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.070
Prepayment Rate | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.010
Prepayment Rate | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.993
Prepayment Rate | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.093
Prepayment Rate | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.010
Prepayment Rate | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.992
Prepayment Rate | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.089
Prepayment Rate | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.031
Prepayment Rate | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.993
Prepayment Rate | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.079
Prepayment Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.044
Prepayment Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.814
Prepayment Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.111
Prepayment Rate | Directly Held | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.032
Prepayment Rate | Directly Held | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.124
Prepayment Rate | Directly Held | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.074
Prepayment Rate | Directly Held | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.032
Prepayment Rate | Directly Held | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.084
Prepayment Rate | Directly Held | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.072
Prepayment Rate | Directly Held | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.038
Prepayment Rate | Directly Held | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.094
Prepayment Rate | Directly Held | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.062
Prepayment Rate | Directly Held | Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.032
Prepayment Rate | Directly Held | Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.094
Prepayment Rate | Directly Held | Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.067
Prepayment Rate | Directly Held | Non-Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.064
Prepayment Rate | Directly Held | Non-Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.124
Prepayment Rate | Directly Held | Non-Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.090
Prepayment Rate | Directly Held | Non-Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.036
Prepayment Rate | Directly Held | Non-Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.087
Prepayment Rate | Directly Held | Non-Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.043
Prepayment Rate | Directly Held | Non-Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.036
Prepayment Rate | Directly Held | Non-Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.124
Prepayment Rate | Directly Held | Non-Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.080
Prepayment Rate | Held through Equity Method Investees | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.045
Prepayment Rate | Held through Equity Method Investees | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.076
Prepayment Rate | Held through Equity Method Investees | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.065
Prepayment Rate | Held through Equity Method Investees | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.059
Prepayment Rate | Held through Equity Method Investees | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.071
Prepayment Rate | Held through Equity Method Investees | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.067
Prepayment Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.045
Prepayment Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.076
Prepayment Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.063
Delinquency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.096
Delinquency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.022
Delinquency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.833
Delinquency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.018
Delinquency | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.667
Delinquency | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.005
Delinquency | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.010
Delinquency | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.667
Delinquency | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.121
Delinquency | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.833
Delinquency | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.009
Delinquency | Directly Held | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Directly Held | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.096
Delinquency | Directly Held | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.029
Delinquency | Directly Held | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Directly Held | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.096
Delinquency | Directly Held | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.022
Delinquency | Directly Held | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Directly Held | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.022
Delinquency | Directly Held | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.009
Delinquency | Directly Held | Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.001
Delinquency | Directly Held | Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.096
Delinquency | Directly Held | Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.016
Delinquency | Directly Held | Non-Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.008
Delinquency | Directly Held | Non-Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.086
Delinquency | Directly Held | Non-Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.053
Delinquency | Directly Held | Non-Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Directly Held | Non-Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.008
Delinquency | Directly Held | Non-Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Directly Held | Non-Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Directly Held | Non-Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.086
Delinquency | Directly Held | Non-Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.053
Delinquency | Held through Equity Method Investees | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Held through Equity Method Investees | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.016
Delinquency | Held through Equity Method Investees | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.009
Delinquency | Held through Equity Method Investees | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Held through Equity Method Investees | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.015
Delinquency | Held through Equity Method Investees | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.008
Delinquency | Held through Equity Method Investees | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.002
Delinquency | Held through Equity Method Investees | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.016
Delinquency | Held through Equity Method Investees | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.009
Recapture Rate | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.252
Recapture Rate | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.079
Recapture Rate | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.565
Recapture Rate | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.100
Recapture Rate | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.565
Recapture Rate | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.079
Recapture Rate | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.024
Recapture Rate | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.150
Recapture Rate | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.092
Recapture Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.041
Recapture Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.133
Recapture Rate | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.088
Recapture Rate | Directly Held | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Directly Held | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.252
Recapture Rate | Directly Held | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.084
Recapture Rate | Directly Held | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.031
Recapture Rate | Directly Held | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.206
Recapture Rate | Directly Held | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.061
Recapture Rate | Directly Held | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Directly Held | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.252
Recapture Rate | Directly Held | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.091
Recapture Rate | Directly Held | Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Directly Held | Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.252
Recapture Rate | Directly Held | Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.075
Recapture Rate | Directly Held | Non-Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Directly Held | Non-Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.201
Recapture Rate | Directly Held | Non-Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.101
Recapture Rate | Directly Held | Non-Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.040
Recapture Rate | Directly Held | Non-Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.101
Recapture Rate | Directly Held | Non-Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.068
Recapture Rate | Directly Held | Non-Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Directly Held | Non-Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.201
Recapture Rate | Directly Held | Non-Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.094
Recapture Rate | Held through Equity Method Investees | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Held through Equity Method Investees | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.144
Recapture Rate | Held through Equity Method Investees | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.069
Recapture Rate | Held through Equity Method Investees | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.032
Recapture Rate | Held through Equity Method Investees | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.144
Recapture Rate | Held through Equity Method Investees | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.091
Recapture Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0
Recapture Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.097
Recapture Rate | Held through Equity Method Investees | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.054
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.0006
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.0032
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.0020
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.0008
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.0145
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.0033
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.0008
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.0124
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.0029
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.0019
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.0145
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.0048
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	0.0008
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	0.0145
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	0.0039
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.0006
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.0032
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.0019
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0015
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0032
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0021
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0020
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0027
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0023
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.0015
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.0032
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.0022
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0006
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0025
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0015
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0022
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0025
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0023
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.0006
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.0025
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Directly Held | Non-Agency | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.0017
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Excess MSRs | Minimum
Directly Held
Servicing asset, measurement input	0.0015
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Excess MSRs | Maximum
Directly Held
Servicing asset, measurement input	0.0026
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Excess MSRs | Weighted Average
Directly Held
Servicing asset, measurement input	0.0022
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Original Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0015
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Original Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0025
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Original Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0019
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Recaptured Pools | Minimum
Directly Held
Servicing asset, measurement input	0.0021
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Recaptured Pools | Maximum
Directly Held
Servicing asset, measurement input	0.0026
Mortgage Servicing Amount or Excess Mortgage Servicing Amount (bps) | Held through Equity Method Investees | Agency | Recaptured Pools | Weighted Average
Directly Held
Servicing asset, measurement input	0.0024
Collateral Weighted Average Maturity (Years) | Excess MSRs | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	11 years
Collateral Weighted Average Maturity (Years) | Excess MSRs | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	28 years
Collateral Weighted Average Maturity (Years) | Excess MSRs | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	21 years
Collateral Weighted Average Maturity (Years) | MSRs and MSR Financing Receivables | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	0 years
Collateral Weighted Average Maturity (Years) | MSRs and MSR Financing Receivables | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	40 years
Collateral Weighted Average Maturity (Years) | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	24 years
Collateral Weighted Average Maturity (Years) | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	0 years
Collateral Weighted Average Maturity (Years) | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	40 years
Collateral Weighted Average Maturity (Years) | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	0 years
Collateral Weighted Average Maturity (Years) | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	32 years
Collateral Weighted Average Maturity (Years) | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	24 years
Collateral Weighted Average Maturity (Years) | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	0 years
Collateral Weighted Average Maturity (Years) | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	30 years
Collateral Weighted Average Maturity (Years) | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	28 years
Collateral Weighted Average Maturity (Years) | Directly Held | Excess MSRs | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	11 years
Collateral Weighted Average Maturity (Years) | Directly Held | Excess MSRs | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	28 years
Collateral Weighted Average Maturity (Years) | Directly Held | Excess MSRs | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	21 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Original Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	11 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Original Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	21 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Original Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	18 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Recaptured Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	18 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Recaptured Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Recaptured Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	22 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Excess MSRs | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	11 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Excess MSRs | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Directly Held | Agency | Excess MSRs | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	20 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Original Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	18 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Original Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	28 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Original Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Recaptured Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	21 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Recaptured Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Recaptured Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Excess MSRs | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	18 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Excess MSRs | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	28 years
Collateral Weighted Average Maturity (Years) | Directly Held | Non-Agency | Excess MSRs | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	23 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Excess MSRs | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	16 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Excess MSRs | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	22 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Excess MSRs | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	19 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Original Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	16 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Original Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	18 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Original Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	17 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Recaptured Pools | Minimum
Directly Held
Collateral Weighted Average Maturity (Years)	20 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Recaptured Pools | Maximum
Directly Held
Collateral Weighted Average Maturity (Years)	22 years
Collateral Weighted Average Maturity (Years) | Held through Equity Method Investees | Agency | Recaptured Pools | Weighted Average
Directly Held
Collateral Weighted Average Maturity (Years)	21 years
Measurement Input, Servicing Cost | Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	6.60
Measurement Input, Servicing Cost | Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	8.00
Measurement Input, Servicing Cost | Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	6.90
Measurement Input, Servicing Cost | Non-Agency | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	7.10
Measurement Input, Servicing Cost | Non-Agency | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	14.00
Measurement Input, Servicing Cost | Non-Agency | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	10.10
Measurement Input, Servicing Cost | Ginnie Mae | MSRs and MSR Financing Receivables | Minimum
Directly Held
Servicing asset, measurement input	8.10
Measurement Input, Servicing Cost | Ginnie Mae | MSRs and MSR Financing Receivables | Maximum
Directly Held
Servicing asset, measurement input	8.20
Measurement Input, Servicing Cost | Ginnie Mae | MSRs and MSR Financing Receivables | Weighted Average
Directly Held
Servicing asset, measurement input	8.20