XML 58 R45.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue Recognition and Contracts with Customers (Schedule of Consolidated Balance Sheet) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Trade accounts payable and accrued expenses $ 33,021 $ 32,422
Deferred revenue from contracts with customers   6,950
Deferred taxes   1,402
Retained earnings 350,423 321,323
Adjustments due ASC 606 [Member]    
Trade accounts payable and accrued expenses   (4,000)
Deferred revenue from contracts with customers   6,950
Deferred taxes   (723)
Retained earnings   (2,227)
After Adjustment [Member]    
Trade accounts payable and accrued expenses   28,422
Deferred revenue from contracts with customers $ 7,477 6,950
Deferred taxes   679
Retained earnings   $ 319,096