Valuation (Significant Unobservable Inputs Rollforward) (Details) - Level 3 - USD ($)
$ in Thousands |
3 Months Ended |
Mar. 31, 2020 |
Mar. 31, 2019 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
$ 1,721,275
|
$ 1,094,815
|
| Assets, Accreted Discounts/Amortized Premiums |
(10,680)
|
(10,641)
|
| Assets, Realized Gain (Loss) |
1,366
|
(1,647)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(80,188)
|
3,447
|
| Assets, Purchases |
401,709
|
303,325
|
| Assets, Sales |
(274,433)
|
(167,106)
|
| Assets, Transfers into Level 3 |
15,143
|
15,690
|
| Assets, Transfers out of Level 3 |
(29,609)
|
(4,564)
|
| Assets, Ending Balance |
1,744,583
|
1,233,319
|
| Liabilities, Begining Balance |
(594,832)
|
(297,948)
|
| Liabilities, Accreted Discounts/Amortized Premiums |
0
|
0
|
| Liabilities, Realized Gain/(Loss) |
31
|
0
|
| Liabilities, Change In Net Unrealized Gain/(Loss) |
(379)
|
57
|
| Liabilities Purchases/Payments |
44,714
|
15,767
|
| Liabilities, Sales/Issuance |
(41)
|
0
|
| Liabilities, Transfers into Level 3 |
0
|
0
|
| Liabilities, Transfers out of Level 3 |
0
|
0
|
| Liabilities, Ending Balance |
(550,507)
|
(282,124)
|
| Other secured borrowings, at fair value |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Liabilities, Begining Balance |
(594,396)
|
(297,948)
|
| Liabilities, Accreted Discounts/Amortized Premiums |
0
|
0
|
| Liabilities, Realized Gain/(Loss) |
0
|
0
|
| Liabilities, Change In Net Unrealized Gain/(Loss) |
24
|
57
|
| Liabilities, Payments |
44,704
|
15,767
|
| Liabilities, Issuances |
0
|
0
|
| Liabilities, Transfers into Level 3 |
0
|
0
|
| Liabilities, Transfers out of Level 3 |
0
|
0
|
| Liabilities, Ending Balance |
(549,668)
|
(282,124)
|
| Change in unrealized gains (losses), liabilities |
24
|
57
|
| Financial Derivatives - Liabilities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Change in unrealized gains (losses), liabilities |
(800)
|
|
| Securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Change in unrealized gain (loss), assets |
(50,900)
|
700
|
| Securities | Agency RMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
19,904
|
7,293
|
| Assets, Accreted Discounts/Amortized Premiums |
(1,822)
|
(774)
|
| Assets, Realized Gain (Loss) |
(1)
|
(594)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
2,807
|
189
|
| Assets, Purchases |
5,259
|
6
|
| Assets, Sales |
0
|
0
|
| Assets, Transfers into Level 3 |
1,088
|
842
|
| Assets, Transfers out of Level 3 |
(6,254)
|
(573)
|
| Assets, Ending Balance |
20,981
|
6,389
|
| Securities | Non-Agency RMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
89,581
|
91,291
|
| Assets, Accreted Discounts/Amortized Premiums |
226
|
63
|
| Assets, Realized Gain (Loss) |
(136)
|
(101)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(11,533)
|
(535)
|
| Assets, Purchases |
33,950
|
15,546
|
| Assets, Sales |
(14,395)
|
(19,436)
|
| Assets, Transfers into Level 3 |
3,659
|
10,492
|
| Assets, Transfers out of Level 3 |
(7,155)
|
(2,650)
|
| Assets, Ending Balance |
94,197
|
94,670
|
| Securities | CMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
29,805
|
803
|
| Assets, Accreted Discounts/Amortized Premiums |
207
|
(14)
|
| Assets, Realized Gain (Loss) |
1,386
|
0
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(11,193)
|
(8)
|
| Assets, Purchases |
31,025
|
0
|
| Assets, Sales |
(28,539)
|
0
|
| Assets, Transfers into Level 3 |
4,071
|
4,356
|
| Assets, Transfers out of Level 3 |
6,486
|
0
|
| Assets, Ending Balance |
20,276
|
5,137
|
| Securities | CLOs |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
44,979
|
14,915
|
| Assets, Accreted Discounts/Amortized Premiums |
(318)
|
(406)
|
| Assets, Realized Gain (Loss) |
(21)
|
(83)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(20,261)
|
49
|
| Assets, Purchases |
22,760
|
8,304
|
| Assets, Sales |
54
|
0
|
| Assets, Transfers into Level 3 |
6,325
|
0
|
| Assets, Transfers out of Level 3 |
(9,714)
|
(1,341)
|
| Assets, Ending Balance |
43,804
|
21,438
|
| Securities | Asset-backed securities, backed by consumer loans |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
48,610
|
22,800
|
| Assets, Accreted Discounts/Amortized Premiums |
(1,044)
|
(609)
|
| Assets, Realized Gain (Loss) |
(150)
|
(512)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(2,360)
|
762
|
| Assets, Purchases |
16,271
|
4,940
|
| Assets, Sales |
(6,700)
|
(3,273)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
54,627
|
24,108
|
| Securities | Corporate debt securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
1,113
|
6,318
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
16
|
| Assets, Realized Gain (Loss) |
0
|
(1)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(96)
|
(77)
|
| Assets, Purchases |
10
|
384
|
| Assets, Sales |
(417)
|
(903)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
610
|
5,737
|
| Securities | Corporate equity securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
1,394
|
1,530
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
0
|
| Assets, Realized Gain (Loss) |
0
|
0
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(987)
|
(65)
|
| Assets, Purchases |
305
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
712
|
1,465
|
| Loans |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Change in unrealized gain (loss), assets |
(30,400)
|
3,400
|
| Loans | Residential mortgage loans |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
932,203
|
496,829
|
| Assets, Accreted Discounts/Amortized Premiums |
(458)
|
(927)
|
| Assets, Realized Gain (Loss) |
205
|
(136)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(24,323)
|
1,901
|
| Assets, Purchases |
131,070
|
157,602
|
| Assets, Sales |
(99,325)
|
(72,017)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
939,372
|
583,252
|
| Loans | Commercial mortgage loans |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
274,759
|
195,301
|
| Assets, Accreted Discounts/Amortized Premiums |
(1)
|
306
|
| Assets, Realized Gain (Loss) |
860
|
0
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(328)
|
(333)
|
| Assets, Purchases |
87,567
|
48,857
|
| Assets, Sales |
(59,557)
|
(4,508)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
303,300
|
239,623
|
| Loans | Consumer loans |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
186,954
|
183,961
|
| Assets, Accreted Discounts/Amortized Premiums |
(7,470)
|
(8,572)
|
| Assets, Realized Gain (Loss) |
26
|
(2,055)
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(5,751)
|
1,842
|
| Assets, Purchases |
61,100
|
54,256
|
| Assets, Sales |
(40,056)
|
(37,317)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
194,803
|
192,115
|
| Loans | Corporate loan [Member] |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
18,510
|
72,302
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
276
|
| Assets, Realized Gain (Loss) |
0
|
1,560
|
| Assets, Change In Net Unrealized Gain/(Loss) |
0
|
(39)
|
| Assets, Purchases |
104
|
13,428
|
| Assets, Sales |
(12,500)
|
(29,375)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
6,114
|
58,152
|
| Investment in unconsolidated entities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
71,850
|
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
|
| Assets, Realized Gain (Loss) |
0
|
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(6,497)
|
|
| Assets, Purchases |
12,283
|
|
| Assets, Sales |
(12,239)
|
|
| Assets, Transfers into Level 3 |
0
|
|
| Assets, Transfers out of Level 3 |
0
|
|
| Assets, Ending Balance |
65,397
|
|
| Change in unrealized gain (loss), assets |
(6,700)
|
(2,100)
|
| Financial Derivatives - Assets |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Change in unrealized gain (loss), assets |
500
|
(200)
|
| Financial Derivatives - Assets | Total return swaps |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
620
|
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
|
| Assets, Realized Gain (Loss) |
191
|
|
| Assets, Change In Net Unrealized Gain/(Loss) |
(583)
|
|
| Assets, Purchases |
0
|
|
| Assets, Sales |
(191)
|
|
| Assets, Transfers into Level 3 |
0
|
|
| Assets, Transfers out of Level 3 |
0
|
|
| Assets, Ending Balance |
37
|
|
| Financial Derivatives - Assets | Credit default swaps on asset-backed securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Assets, Beginning Balance |
993
|
1,472
|
| Assets, Accreted Discounts/Amortized Premiums |
0
|
0
|
| Assets, Realized Gain (Loss) |
(994)
|
275
|
| Assets, Change In Net Unrealized Gain/(Loss) |
917
|
(239)
|
| Assets, Purchases |
5
|
2
|
| Assets, Sales |
(568)
|
(277)
|
| Assets, Transfers into Level 3 |
0
|
0
|
| Assets, Transfers out of Level 3 |
0
|
0
|
| Assets, Ending Balance |
353
|
$ 1,233
|
| Financial Derivatives - Liabilities | Total return swaps |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Liabilities, Begining Balance |
(436)
|
|
| Liabilities, Accreted Discounts/Amortized Premiums |
0
|
|
| Liabilities, Realized Gain/(Loss) |
31
|
|
| Liabilities, Change In Net Unrealized Gain/(Loss) |
(403)
|
|
| Liabilities, Payments |
10
|
|
| Liabilities, Issuances |
(41)
|
|
| Liabilities, Transfers into Level 3 |
0
|
|
| Liabilities, Transfers out of Level 3 |
0
|
|
| Liabilities, Ending Balance |
$ (839)
|
|