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Equity-Based Compensation - Weighted Average Assumptions used for Options Awarded (Detail) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2012
Weighted average assumptions used for options awarded    
Risk-free interest rate 1.11% 2.79%
Weighted average expected dividend yield 8.13% 2.25%
Expected volatility factor(1) 45.00% [1] 40.22% [1]
Expected life in years 6 years 7 months 28 days 5 years 8 months 20 days
Fair value of options per share $ 3.01 $ 8.44
[1] The Company determined its expected volatility based on comparable companies using daily stock prices and the Company’s volatility.