Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Option, Quantitative Disclosures (Details)

v3.7.0.1
Fair Value, Option, Quantitative Disclosures (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) $ 8,999 $ 9,652 $ 24,082 $ 41,738
Change in fair value due to credit risk (1,292) (46) (881) 64
Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 787 (1,174) 1,085 (1,157)
Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 48,686 50,052 93,353 106,379
Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 836 12,436 2,695 29,609
Change in fair value due to credit risk (1,292) (46) (881) 64
Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) (41,310) (51,662) (73,051) (93,093)
Interest Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 4,908 14,391 9,844 35,006
Interest Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) (1,578) 116 (3,282) 117
Interest Income [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 30,826 34,499 62,454 67,270
Interest Income [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 503 4,960 901 12,162
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 2,365 (1,290) 4,367 (1,274)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 2,365 (1,290) 4,367 (1,274)
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Interest Expense [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) (24,843) (25,184) (50,229) (44,543)
Gain (Loss) on Residential Mortgage Loans Held-for-Sale [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 333 7,476 1,794 17,447
Gain (Loss) on Residential Mortgage Loans Held-for-Sale [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Gain (Loss) on Residential Mortgage Loans Held-for-Sale [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Gain (Loss) on Residential Mortgage Loans Held-for-Sale [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 333 7,476 1,794 17,447
Gain (Loss) on Residential Mortgage Loans Held-for-Sale [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Other Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 1,393 (10,925) 8,077 (9,441)
Other Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Other Income [Member] | Loans Held-for-Investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 17,860 15,553 30,899 39,109
Other Income [Member] | Loans Held-for-Sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) 0 0 0 0
Other Income [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Total included in net income (loss) $ (16,467) $ (26,478) $ (22,822) $ (48,550)