Annual report pursuant to Section 13 and 15(d)

Summary of Stock Dividends Declared (Detail)

v3.7.0.1
Summary of Stock Dividends Declared (Detail) - USD ($)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Equity [Abstract]      
Declaration Date Mar. 05, 2014    
Record Date Mar. 14, 2014    
Payment Date Mar. 28, 2014    
Dividend per Share 0.50%    
Number of Shares Outstanding 37,422,753 67,565,951 58,228,000
Total Number of Shares Distributed $ 193,032