Recent Transactions - Acquisitions - Additional Information (Detail)
$ in Millions
Mar. 18, 2019
|Pjmedia.com website [Member]|
|Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]|
|Business Combination, Consideration Transferred||$ 0.1|
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef