Offsetting Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Offsetting [Abstract]

Schedule of Offsetting of Financial Assets

Offsetting of assets as of September 30, 2017 and December 31, 2016 was as follows:

	Gross Amounts of Recognized Assets		Gross Amounts Offset in the Statement of Financial Condition		Net Amounts of Assets Presented in the Statement of Financial Condition		Financial Instruments			Cash Collateral Received			Net Amount
	(in thousands)
September 30, 2017:
Securities borrowed	$	75,609	$	—	$	75,609	$	(73,600	)	$	—		$	2,009
Derivatives	$	5,846	$	—	$	5,846	$	—		$	—		$	5,846
Long exchange-traded options	$	9,368	$	—	$	9,368	$	—		$	—		$	9,368
December 31, 2016:
Securities borrowed	$	82,814	$	—	$	82,814	$	(80,277	)	$	—		$	2,537
Derivatives	$	8,413	$	—	$	8,413	$	—		$	(810	)	$	7,603
Long exchange-traded options	$	3,106	$	—	$	3,106	$	—		$	—		$	3,106

Schedule of Offsetting of Financial Liabilities

Offsetting of liabilities as of September 30, 2017 and December 31, 2016 was as follows:

	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Condition		Net Amounts of Liabilities Presented in the Statement of Financial Condition		Financial Instruments			Cash Collateral Pledged			Net Amount
	(in thousands)
September 30, 2017:
Securities loaned	$	61,719	$	—	$	61,719	$	(61,719	)	$	—		$	—
Derivatives	$	6,600	$	—	$	6,600	$	—		$	(6,367	)	$	233
Short exchange-traded options	$	13,272	$	—	$	13,272	$	—		$	—		$	13,272
December 31, 2016:
Securities loaned	$	—	$	—	$	—	$	—		$	—		$	—
Derivatives	$	8,649	$	—	$	8,649	$	—		$	(6,239	)	$	2,410
Short exchange-traded options	$	692	$	—	$	692	$	—		$	—		$	692