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)

v3.19.2
FAIR VALUE MEASUREMENT - Schedule of Inputs Used in Valuing Assets and Liabilities At Fair Value (Details) - Fair Value, Measurements, Nonrecurring
$ in Thousands
Jun. 30, 2019
USD ($)
Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.045
Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 3 years 9 months 18 days
Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.085
Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.020
Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.275
Performing Loans | Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.038
Performing Loans | Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 4 years 2 months 12 days
Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.129
Performing Loans | Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.014
Performing Loans | Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.256
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 2 months 12 days
Non-Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.029
Non-Performing Loans | Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.028
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 $ 955,317
Fair Value | Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value 538,136
Fair Value | Non-Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value $ 417,181