XML 93 R59.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Revenue Recognition Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Revenue from Contract with Customer [Abstract]      
Contract with Customer, Asset, after Allowance for Credit Loss $ 28,888   $ 23,680
Capitalized Contract Cost, Net $ 1,400 $ 1,600