XML 72 R59.htm IDEA: XBRL DOCUMENT v3.3.1.900
Share-Based Payments - Stock Repurchase Program and Cash Dividends (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 25, 2016
Dec. 31, 2015
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Stock repurchased (in shares)     272,767
Stock repurchased     $ 2,598
Subsequent Event [Line Items]      
Common Stock, Dividends, Per Share, Declared   $ 0.155 $ 0.100
Subsequent Event      
Subsequent Event [Line Items]      
Common Stock, Dividends, Per Share, Declared $ 0.05