Intangibles and Other Assets - Schedule of Amortization of Intangibles (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011
Intangibles And Other Assets [Abstract]
Amortization of intangibles	$ 79	$ 49	[1]	$ 39	[1]

[1] See Note 1 "Significant Accounting Policies - Intangible Assets" of Notes to Consolidated Financial Statements.