Summary of Significant Accounting Policies - Schedule of Contract with Customer, Asset and Liability (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Unearned revenues (short-term contract liabilities)	$ 61,625,676	$ 32,163,087
Unearned revenues (long-term contract liabilities)	23,498,597	31,179,211
Digital Subscriptions [Member]
Unearned revenues (short-term contract liabilities)	15,039,331	8,634,939
Unearned revenues (long-term contract liabilities)	593,136	478,557
Magazine Circulation [Member]
Unearned revenues (short-term contract liabilities)	46,586,345	23,528,148
Unearned revenues (long-term contract liabilities)	22,712,961	30,478,154
Other [Member]
Unearned revenues (long-term contract liabilities)	$ 192,500	$ 222,500