Other Liabilities (Schedule of Other Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Other Liabilities [Abstract]
Accrued interest payable	$ 309	$ 604
Other accounts payable	1,946	3,213
Deferred compensation liability	1,099	1,040
Income taxes payable	4,734	3,454
Other liabilities	1,058	104
Total	$ 9,146	$ 8,415