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Securities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Debt Securities, Available-for-sale [Line Items]
Realized loss on sale of securities		$ 4,100,000		$ 5,100,000
Proceeds from payments received on held-to-maturity securities		146,500,000		146,500,000
Interest income from securities	$ 0	2,625,000	$ 0	13,379,000
Payments and proceeds received on securities			0	288,781,000
Commercial Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Interest income from securities		2,600,000		13,400,000
CMBS (Held-to-maturity Securities) [Member]
Debt Securities, Available-for-sale [Line Items]
Interest income from securities		0		4,200,000
(CBMS) Fair Value Option [Member]
Debt Securities, Available-for-sale [Line Items]
Interest income from securities		$ 2,600,000		$ 9,200,000
Restatement Adjustment [Member]
Debt Securities, Available-for-sale [Line Items]
Proceeds from payments received on held-to-maturity securities			(146,500,000)
Payments and proceeds received on securities			128,900,000
Payments received on securities reclassified			$ 13,300,000

X

- Definition

Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages).

+ References

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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

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