XML 68 R136.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation - Summary of Nonvested Stock Appreciation Rights (Detail) (Nonvested Stock Appreciation Rights (SARs) [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Nonvested Stock Appreciation Rights (SARs) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Nonvested Shares, beginning balance 395
Granted, Shares 318
Vested, Shares (178)
Forfeited or expired, Shares   
Nonvested Shares, ending balance 535
Nonvested, Weighted Average Grant-Date Fair Value, beginning balance $ 6.74
Granted, Weighted Average Grant-Date Fair Value $ 6.08
Vested, Weighted Average Grant-Date Fair Value $ 7.28
Forfeited or expired, Weighted Average Grant-Date Fair Value   
Nonvested, Weighted Average Grant-Date Fair Value, ending balance $ 6.17