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)

v3.10.0.1
FAIR VALUE MEASUREMENT - Schedule of Inputs Used in Valuing Assets and Liabilities At Fair Value (Details) - Fair Value, Measurements, Nonrecurring
$ in Thousands
Sep. 30, 2018
USD ($)
Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.048
Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 3 years 7 months 17 days
Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.067
Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.040
Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.323
Performing Loans | Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.047
Performing Loans | Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 3 years 10 months 25 days
Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.077
Performing Loans | Delinquency  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.043
Performing Loans | Loss Severity  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.328
Non-Performing Loans | Discount Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.053
Non-Performing Loans | Weighted Average Life (Years)  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Residential mortgage loans held for sale, term 2 years 4 months 18 days
Non-Performing Loans | Prepayment Rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Loans held for sale, measurement input 0.021
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 $ 227,142
Fair Value | Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value 186,157
Fair Value | Non-Performing Loans  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value $ 40,985