Goodwill and Intangibles - Schedule of Indefinite Lived Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Indefinite-lived Intangible Assets [Line Items]
Goodwill, Gross Carrying Value	$ 7,290	$ 7,290
Goodwill, Accumulated Impairment Loss	(2,044)	0
Goodwill, Net Carrying Value	5,246	7,290
Indefinite-lived intangible assets, Gross Carrying Value	7,950	7,950
Indefinite-lived intangible assets, Accumulated Impairment Loss	(2,454)	0
Indefinite-lived intangible assets, Net Carrying Value	5,496	7,950
Trademark [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, Trademark, Gross Carrying Value	660	660
Indefinite-lived intangible assets, Trademark, Accumulated Impairment Loss	(410)	0
Indefinite-lived intangible assets, Trademark, Net Carrying Value	$ 250	$ 660