Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Option, Quantitative Disclosures (Details)

v3.5.0.2
Fair Value, Option, Quantitative Disclosures (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) $ 9,652 $ (4,409) $ 41,738 $ 13,539
Fair Value, Option, Credit Risk, Gains (Losses) on Assets (46) 272 64 30
Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (1,174) 0 (1,157) 0
Loans Held-for-sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 12,436 4,499 29,609 17,836
Fair Value, Option, Credit Risk, Gains (Losses) on Assets (46) 272 64 30
Loans Held-for-investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 50,052 (27,313) 106,379 (9,027)
Fair Value, Option, Credit Risk, Gains (Losses) on Assets 0 0 0 0
Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (51,662) 18,405 (93,093) 4,730
Fair Value, Option, Credit Risk, Gains (Losses) on Liabilities 0 0 0 0
Interest Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 14,391 16,217 35,006 28,017
Interest Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 116 0 117 0
Interest Income [Member] | Loans Held-for-sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 4,960 7,518 12,162 11,789
Interest Income [Member] | Loans Held-for-investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 34,499 21,830 67,270 40,067
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (1,290) 0 (1,274) 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (1,290) 0 (1,274) 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]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Loans Held-for-investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Interest Expense [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (25,184) (13,131) (44,543) (23,839)
Gain (Loss) on Mortgage Loans [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 7,476 (3,019) 17,447 6,047
Gain (Loss) on Mortgage Loans [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Gain (Loss) on Mortgage Loans [Member] | Loans Held-for-sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 7,476 (3,019) 17,447 6,047
Gain (Loss) on Mortgage Loans [Member] | Loans Held-for-investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Gain (Loss) on Mortgage Loans [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Other Income [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) (10,925) (17,607) (9,441) (20,525)
Other Income [Member] | Available-for-sale Securities [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Other Income [Member] | Loans Held-for-sale, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 0 0 0 0
Other Income [Member] | Loans Held-for-investment, Residential Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) 15,553 (49,143) 39,109 (49,094)
Other Income [Member] | Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Changes in Fair Value, Gain (Loss) $ (26,478) $ 31,536 $ (48,550) $ 28,569