XML 64 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1
Amortization Expense of Intangible Assets (Detail)
$ in Thousands
Dec. 31, 2018
USD ($)
Finite Lived Intangible Assets [Line Items]  
2019 $ 13,822
2020 13,316
2021 12,742
2022 12,700
2023 12,555
CaseStack, Inc. [Member]  
Finite Lived Intangible Assets [Line Items]  
2019 9,167
2020 8,661
2021 8,300
2022 8,300
2023 $ 8,155