Annual report pursuant to Section 13 and 15(d)

Income Taxes (Provision For Income Taxes) (Details)

v3.8.0.1
Income Taxes (Provision For Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Taxes [Abstract]      
U. S. Federal: Deferred $ (1,260)   $ 1,349
Foreign: Current 11,638 $ 9,248 13,238
Total income tax expense $ 10,378 $ 9,248 $ 14,587