Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Summary of Asset and Liability Fair Values

The table below summarizes certain asset and liability fair values that are included within our accompanying Condensed Consolidated Balance Sheets, and their designations among the three fair value measurement categories (see Note 2(xiii)):

	September 30, 2018 Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets:
Bank certificates of deposits	$	—	$	87	$	—	$	87
Money market funds	—		144,285		—		144,285
Equity securities (Note 10)	53,928		—		—		53,928
Mutual funds	—		88		—		88
Deferred compensation investments (life insurance cash surrender value (Note 3(g))	—		6,382		—		6,382		*
	$	53,928	$	150,842	$	—	$	204,770
Liabilities:
Deferred executive compensation liability (Note 15(f))	$	—	$	6,536	$	—	$	6,536	*
Drug development liability (Note 14)	—		—		12,116		12,116
Talon CVR (Note 9(a))	—		—		5,555		5,555
	$	—	$	6,536	$	17,671	$	24,207

	December 31, 2017 Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets:
Bank certificates of deposits	$	—	$	248	$	—	$	248
Money market funds	—		216,358		—		216,358
Equity securities (Note 10)	37,530		—		—		37,530
Mutual funds	—		59		—		59
Deferred compensation investments (life insurance cash surrender value (Note 3(g))	—		14,887		—		14,887		*
	$	37,530	$	231,552	$	—	$	269,082
Liabilities:
Deferred executive compensation liability (Note 15(f))	$	—	$	11,038	$	—	$	11,038	*
Drug development liability (Note 14)	—		—		12,386		12,386
Talon CVR (Note 9(a))	—		—		6,210		6,210
Corixa Liability (Note 15(b)(i))	—		—		62		62
	$	—	$	11,038	$	18,658	$	29,696

* The reported amount of “deferred compensation investments” is based on the cash surrender value of employee life insurance policies at period-end, while the reported amount of “deferred executive compensation liability” is based on the period-end market value of investments selected by plan participants.

Fair Value Measurement Activity for Liabilities Utilize Level 3 Inputs

The table below summarizes the 2017 and 2018 activity of our liabilities that are valued with unobservable inputs:

	Fair Value Measurements of Unobservable Inputs (Level 3)
Balance as of December 31, 2016	$	14,445
FOLOTYN development liability (see Note 14)	(744		)
Talon CVR fair value adjustment - MARQIBO (see Note 9(a))	4,957
Balance as of December 31, 2017	18,658
FOLOTYN development liability (see Note 14)	(270		)
Talon CVR fair value adjustment - MARQIBO (see Note 9(a))	(655		)
Corixa Liability (see Note 15(b)(i))	(62		)
Balance as of September 30, 2018	$	17,671