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v3.8.0.1

Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income | $ 71,468 | $ 62,737 | $ 59,224 | $ 54,628 | $ 56,334 | $ 60,906 | $ 66,787 | $ 62,328 | $ 248,057 | $ 246,355 | $ 259,432
Interest expense | (36,108) | (27,443) | (24,234) | (21,031) | (20,537) | (21,597) | (22,444) | (23,950) | (108,816) | (88,528) | (95,883)
Net Interest Income | 35,360 | 35,294 | 34,990 | 33,597 | 35,797 | 39,309 | 44,343 | 38,378 | 139,241 | 157,827 | 163,549
Reversal of provision for loan losses |  |  |  |  | 0 | 859 | 6,532 | (289) | 0 | 7,102 | 355
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Mortgage banking activities, net |  |  |  |  |  |  |  |  | 53,908 | 38,691 | 10,972
MSR income (loss), net |  |  |  |  |  |  |  |  | 7,860 | 14,353 | (3,922)
Investment fair value changes, net |  |  |  |  |  |  |  |  | 10,374 | (28,574) | (21,357)
Other income |  |  |  |  |  |  |  |  | 4,576 | 6,338 | 3,192
Realized gains, net |  |  |  |  |  |  |  |  | 13,355 | 28,009 | 36,369
Total non-interest income, net | 10,951 | 26,070 | 25,297 | 27,755 | 9,763 | 33,712 | 10,888 | 4,454 | 90,073 | 58,817 | 25,254
Direct operating expenses | (20,367) | (19,922) | (18,641) | (18,226) | (17,824) | (20,355) | (20,155) | (30,452) | (77,156) | (88,786) | (97,416)
Benefit from income taxes |  |  |  |  |  |  |  |  | (11,752) | (3,708) | 10,346
Net Income | $ 30,933 | $ 36,180 | $ 36,324 | $ 36,969 | $ 25,355 | $ 52,553 | $ 41,281 | $ 12,063 | 140,406 | 131,252 | 102,088
Non-cash amortization income (expense), net |  |  |  |  |  |  |  |  | 17,462 | 25,704 | 32,403
Hedging allocations |  |  |  |  |  |  |  |  |  |  | 0
Operating Segments | Investment Portfolio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  | 188,760 | 192,200 | 177,595
Interest expense |  |  |  |  |  |  |  |  | (36,690) | (22,997) | (22,684)
Net Interest Income |  |  |  |  |  |  |  |  | 152,070 | 169,203 | 154,911
Reversal of provision for loan losses |  |  |  |  |  |  |  |  |  | 7,102 | 355
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Mortgage banking activities, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
MSR income (loss), net |  |  |  |  |  |  |  |  | 7,860 | 14,353 | (3,922)
Investment fair value changes, net |  |  |  |  |  |  |  |  | 18,414 | (24,367) | (20,089)
Other income |  |  |  |  |  |  |  |  | 4,576 | 6,338 | 3,192
Realized gains, net |  |  |  |  |  |  |  |  | 14,107 | 27,717 | 36,369
Total non-interest income, net |  |  |  |  |  |  |  |  | 44,957 | 24,041 | 15,550
Direct operating expenses |  |  |  |  |  |  |  |  | (6,028) | (10,421) | (7,179)
Benefit from income taxes |  |  |  |  |  |  |  |  | (5,328) | (1,848) | 846
Net Income |  |  |  |  |  |  |  |  | 185,671 | 188,077 | 164,483
Non-cash amortization income (expense), net |  |  |  |  |  |  |  |  | 20,974 | 29,806 | 36,583
Hedging allocations |  |  |  |  |  |  |  |  |  |  | (1,070)
Operating Segments | Residential Mortgage Banking |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  | 39,309 | 33,661 | 52,260
Interest expense |  |  |  |  |  |  |  |  | (17,369) | (14,191) | (17,207)
Net Interest Income |  |  |  |  |  |  |  |  | 21,940 | 19,470 | 35,053
Reversal of provision for loan losses |  |  |  |  |  |  |  |  |  | 0 | 0
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Mortgage banking activities, net |  |  |  |  |  |  |  |  | 53,908 | 40,753 | 8,268
MSR income (loss), net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Investment fair value changes, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Realized gains, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total non-interest income, net |  |  |  |  |  |  |  |  | 53,908 | 40,753 | 8,268
Direct operating expenses |  |  |  |  |  |  |  |  | (25,113) | (23,252) | (43,182)
Benefit from income taxes |  |  |  |  |  |  |  |  | (6,424) | (1,860) | 4,169
Net Income |  |  |  |  |  |  |  |  | 44,311 | 35,111 | 4,308
Non-cash amortization income (expense), net |  |  |  |  |  |  |  |  | (102) | (130) | (186)
Hedging allocations |  |  |  |  |  |  |  |  |  |  | 1,120
Corporate/ Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  | 19,988 | 20,494 | 29,577
Interest expense |  |  |  |  |  |  |  |  | (54,757) | (51,340) | (55,992)
Net Interest Income |  |  |  |  |  |  |  |  | (34,769) | (30,846) | (26,415)
Reversal of provision for loan losses |  |  |  |  |  |  |  |  |  | 0 | 0
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Mortgage banking activities, net |  |  |  |  |  |  |  |  | 0 | (2,062) | 2,704
MSR income (loss), net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Investment fair value changes, net |  |  |  |  |  |  |  |  | (8,040) | (4,207) | (1,268)
Other income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Realized gains, net |  |  |  |  |  |  |  |  | (752) | 292 | 0
Total non-interest income, net |  |  |  |  |  |  |  |  | (8,792) | (5,977) | 1,436
Direct operating expenses |  |  |  |  |  |  |  |  | (46,015) | (55,113) | (47,055)
Benefit from income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 5,331
Net Income |  |  |  |  |  |  |  |  | (89,576) | (91,936) | (66,703)
Non-cash amortization income (expense), net |  |  |  |  |  |  |  |  | $ (3,410) | $ (3,972) | (3,994)
Hedging allocations |  |  |  |  |  |  |  |  |  |  | $ (50)

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