Discontinued Operations - Operating Results of Structured Settlement Business (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]
Total income (loss)	$ (13)	$ 38	$ 60	$ 150
Total expenses	(134)	(287)	(700)	(604)
Income (loss) before income taxes	(147)	(249)	(640)	(454)
Income tax benefit	34	0	224	0
Net income (loss) from discontinued operations	$ (113)	$ (249)	$ (416)	$ (454)