Income Taxes (Provision Components) (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current taxes:
U.S. Federal	$ 424	$ 5,949	$ 1,122
State and local	350	1,477	662
Foreign	(189)	4,034	4,578
Total current taxes	585	11,460	6,362
Deferred taxes:
U.S. Federal	2,619	(1,853)	7,569
State and local	222	(169)	22
Foreign	65	273	(49)
Total deferred taxes	2,906	(1,749)	7,542
Income tax expense (benefit)	$ 3,491	$ 9,711	$ 13,904