XML 98 R38.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Summary of Significant Accounting Policies - Schedule of Changes in Fair Value of Contingent Consideration Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
usiness Combination, Contingent Consideration, Liability [Roll Forward]      
Fair value, at beginning of year $ 4,477 $ 0  
Additions 0 4,477 $ 0
Changes in fair value 300 0 0
Fair value, at end of year $ 4,777 $ 4,477 $ 0