XML 96 R81.htm IDEA: XBRL DOCUMENT v3.19.1
Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]      
Goodwill associated with the Company's recent purchase and other past acquisitions $ 38,201   $ 38,201
Aggregate amortization expense $ 327 $ 354