Annual report pursuant to Section 13 and 15(d)

Fair Value Fair Value Option, Quantitative Disclosures (Details)

v3.19.3.a.u2
Fair Value Fair Value Option, Quantitative Disclosures (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income $ 42,996
Change in fair value due to credit risk 0
Interest Income [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income 20,313
Other Income [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income 22,683
Residential mortgage loans in securitization trusts [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income 148,161
Change in fair value due to credit risk 0
Residential mortgage loans in securitization trusts [Member] | Interest Income [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income 102,886
Residential mortgage loans in securitization trusts [Member] | Other Income [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income 45,275
Collateralized borrowings in securitization trusts [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income (105,165)
Change in fair value due to credit risk 0
Collateralized borrowings in securitization trusts [Member] | Interest Expense [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income (82,573)
Collateralized borrowings in securitization trusts [Member] | Other Income [Member]  
Fair Value, Option, Quantitative Disclosures [Line Items]  
Total included in net income $ (22,592)