Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)

v3.7.0.1
Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share 1,040,000 233,000
Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share  
Stock-Settled Stock Appreciation Rights (SARs) [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 85,000 131,000
Restricted Stock and Restricted Stock Units (RSUs) [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 12,000
Performance Contingent SARs [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 955,000