Supplemental Cash Flows Information (Tables)

9 Months Ended

Sep. 30, 2015

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

Cash paid for interest and income taxes and non-cash investing and financing activities for the nine months ended September 30, 2015 and 2014, was as follows:

	Nine Months Ended September 30,
	2015		2014
	(in thousands)
Interest paid	$	1,647	$	2,092
Income taxes paid, net of refunds	$	138	$	151
Non-cash investing and financing activities:
Reclassification of available-for-sale securities to equity method investment	$	10,858	$	27,647
Partnership interest exchanged for marketable securities	$	25,000	$	—
Securities received in exchange for financial instrument obligations	$	76	$	19,341
Securities delivered in exchange for settlement of financial instrument obligations	$	76	$	—
Restricted stock awards surrendered to satisfy tax withholding obligations upon vesting	$	32	$	14
Contribution of advances by non-controlling interest	$	—	$	268