Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Option, Quantitative Disclosures (Details)

v3.4.0.3
Fair Value, Option, Quantitative Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) $ 32,085 $ 17,947
Fair Value, Option, Credit Risk, Gains (Losses) on Assets 110 (242)
Available-for-sale Securities [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 17 0
Loans Held-for-sale, Residential Mortgages [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 17,173 13,337
Fair Value, Option, Credit Risk, Gains (Losses) on Assets 110 (242)
Loans Held-for-investment, Residential Mortgages [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 56,326 18,285
Fair Value, Option, Credit Risk, Gains (Losses) on Assets 0 0
Borrowings [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) (41,431) (13,675)
Fair Value, Option, Credit Risk, Gains (Losses) on Liabilities 0 0
Interest Income [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 20,615 11,799
Interest Income [Member] | Available-for-sale Securities [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 1 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) 7,202 4,271
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) 32,771 18,236
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) 16 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) 16 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
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
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
Interest Expense [Member] | Borrowings [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) (19,359) (10,708)
Gain (Loss) on Mortgage Loans [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 9,971 9,066
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
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) 9,971 9,066
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
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
Other Income [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) 1,483 (2,918)
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
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
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) 23,555 49
Other Income [Member] | Borrowings [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value, Option, Changes in Fair Value, Gain (Loss) $ (22,072) $ (2,967)