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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income $ 2,220 $ 8,999 $ 7,212 $ 24,082
Change in fair value due to credit risk (6) (1,292) 31 (881)
Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 1,631 787 6,000 1,085
Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 48,686 0 93,353
Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 589 836 1,212 2,695
Change in fair value due to credit risk (6) (1,292) 31 (881)
Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 (41,310) 0 (73,051)
Interest Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (979) 4,908 (2,661) 9,844
Interest Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (1,328) (1,578) (3,317) (3,282)
Interest Income [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 30,826 0 62,454
Interest Income [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 349 503 656 901
Interest Expense [Member] | Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 0 (24,843) 0 (50,229)
Gain (Loss) on Investment Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 2,959 2,365 9,317 4,367
Gain (Loss) on Investment Securities [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 2,959 2,365 9,317 4,367
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 240 1,726 556 9,871
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 17,860 0 30,899
Other Income (Loss) [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income 240 333 556 1,794
Other Income (Loss) [Member] | Collateralized Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income $ 0 $ (16,467) $ 0 $ (22,822)