Stockholders' Equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified			3 Months Ended	0 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Common Stock [Member]	Apr. 24, 2014 Subsequent Event [Member]	Jun. 14, 2012 Maximum [Member]	Jun. 14, 2012 Minimum [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Common stock, shares authorized	37,000,000	37,000,000			100,000,000	37,000,000
Preferred stock, shares authorized	3,000,000	3,000,000			5,000,000	3,000,000
Repurchase of common stock			$ 10.0
Repurchase of common stock, number of shares			15,000
Repurchase of common stock, value			0.1
Cash dividend on common stock per share				$ 0.035
Dividend payment date				Jun. 05, 2014
Dividends payment amount				$ 0.5
Dividend record date				May 22, 2014