Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended	9 Months Ended
	Aug. 28, 2015	Oct. 25, 2013	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale of structured settlements				$ 32	$ 0
Sale of structured settlement business	$ 920	$ 12,000
Structured settlements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of structured settlement business		$ 12,000
Loss on sale of structured settlements			$ 11,300