Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENT - Schedule of Inputs Used in Valuing Assets and Liabilities At Fair Value (Details)

v3.19.3
FAIR VALUE MEASUREMENT - Schedule of Inputs Used in Valuing Assets and Liabilities At Fair Value (Details) - Fair Value, Measurements, Nonrecurring
$ in Thousands
Sep. 30, 2019
USD ($)
Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.049
Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 3 years 7 months 6 days
Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.088
Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.024
Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.332
Performing Loans | Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.044
Performing Loans | Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 4 years
Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.130
Performing Loans | Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.020
Performing Loans | Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.355
Non-Performing Loans | Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.055
Non-Performing Loans | Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 3 years 1 month 6 days
Non-Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.030
Non-Performing Loans | Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.029
Non-Performing Loans | Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.300
Fair Value  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value $ 1,236,545
Fair Value | Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value 715,110
Fair Value | Non-Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value $ 521,435