Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Option, Quantitative Disclosures (Details)

v3.10.0.1
Fair Value, Option, Quantitative Disclosures (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income $ 37 $ 16,010 $ 7,249 $ 40,092
Change in fair value due to credit risk (251) (400) (220) (1,281)
Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (590) 2,474 5,410 3,559
Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 44,535 0 137,888
Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 627 834 1,839 3,529
Change in fair value due to credit risk (251) (400) (220) (1,281)
Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 (31,833) 0 (104,884)
Interest Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 211 4,091 (2,450) 13,935
Interest Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (121) (2,283) (3,438) (5,565)
Interest Income [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 29,865 0 92,319
Interest Income [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 332 479 988 1,380
Interest Expense [Member] | Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 (23,970) 0 (74,199)
Gain (Loss) on Investment Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (469) 4,757 8,848 9,124
Gain (Loss) on Investment Securities [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (469) 4,757 8,848 9,124
Gain (Loss) on Investment Securities [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 0 0 0
Gain (Loss) on Investment Securities [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 0 0 0
Gain (Loss) on Investment Securities [Member] | Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 0 0 0
Other Income (Loss) [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 295 7,162 851 17,033
Other Income (Loss) [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 0 0 0
Other Income (Loss) [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 14,670 0 45,569
Other Income (Loss) [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 295 355 851 2,149
Other Income (Loss) [Member] | Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income $ 0 $ (7,863) $ 0 $ (30,685)