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Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Debt Securities, Available-for-sale [Line Items] |  |  |
Realized loss on sale of securities | $ 1,000 |  |
Proceeds from sale of securities reclassified |  | $ 0 | $ (217,708)
Proceeds from payments received on held-to-maturity securities | (146,500) |  | (146,500)
Commercial Mortgage Backed Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Interest income from securities | 4,700 |  | 10,800
CMBS (Held-to-maturity Securities) [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Interest income from securities | 1,300 |  | 4,200
(CBMS) Fair Value Option [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Interest income from securities | $ 3,400 |  | $ 6,600
Restatement Adjustment [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Proceeds from sale of securities reclassified |  | 69,200 |
Proceeds from payments received on held-to-maturity securities |  | 146,500 |
Payments received on securities reclassified |  | $ 1,900 |

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- Definition Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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- Definition Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating. + References No definition available. + Details
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- Definition Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3151-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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