Fair Value, Option, Quantitative Disclosures (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
$ 18,312
|
$ 32,698
|
$ 60,050
|
$ 46,237
|
| Fair Value, Option, Credit Risk, Gains (Losses) on Assets |
145
|
721
|
209
|
751
|
| Available-for-sale Securities [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
(237)
|
42
|
(1,394)
|
42
|
| Loans Held-for-sale, Residential Mortgages [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
7,208
|
22,293
|
36,817
|
40,129
|
| Fair Value, Option, Credit Risk, Gains (Losses) on Assets |
145
|
721
|
209
|
751
|
| Loans Held-for-investment, Residential Mortgages [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
58,123
|
40,847
|
164,502
|
31,820
|
| 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) |
(46,782)
|
(30,484)
|
(139,875)
|
(25,754)
|
| 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) |
14,451
|
18,847
|
49,457
|
46,864
|
| Interest Income [Member] | Available-for-sale Securities [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
(249)
|
89
|
(132)
|
89
|
| 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) |
7,627
|
9,479
|
19,789
|
21,268
|
| 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) |
33,495
|
24,841
|
100,765
|
64,908
|
| 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) |
12
|
(47)
|
(1,262)
|
(47)
|
| 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) |
12
|
(47)
|
(1,262)
|
(47)
|
| 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) |
(26,422)
|
(15,562)
|
(70,965)
|
(39,401)
|
| Gain (Loss) on Mortgage Loans [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
(419)
|
12,814
|
17,028
|
18,861
|
| 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) |
(419)
|
12,814
|
17,028
|
18,861
|
| 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) |
4,268
|
1,084
|
(5,173)
|
(19,441)
|
| 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) |
24,628
|
16,006
|
63,737
|
(33,088)
|
| Other Income [Member] | Borrowings [Member] |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair Value, Option, Changes in Fair Value, Gain (Loss) |
$ (20,360)
|
$ (14,922)
|
$ (68,910)
|
$ 13,647
|