Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Taxes (Schedule of Unrecognized Tax Benefits) (Details)

v3.3.1.900
Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]      
Balance at beginning of year $ 8,552 $ 10,346 $ 4,041
Additions for tax positions related to the current year 4,116 2,705 3,997
Additions for tax positions related to previous years 1,987 734 2,562
Reduction of reserve for statute expirations (725) (5,233) (254)
Balance at end of year $ 13,930 $ 8,552 $ 10,346