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Other Assets - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 22, 2019 | Mar. 01, 2019 | Sep. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Nov. 13, 2019 | Apr. 03, 2015 | Apr. 04, 2014 | Apr. 10, 2013
Other Assets [Line Items] |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  |  |  | $ 1,000,000 | $ 5,009,999 |  |  |  |
Equity method investment ownership percentage |  |  |  |  |  |  | 20.00% | 20.00% | 20.00%
Renegades Holdings, Inc. [Member] |  |  |  |  |  |  |  |  |
Other Assets [Line Items] |  |  |  |  |  |  |  |  |
Business combination transferred others |  | $ 1,000,000 |  |  |  |  |  |  |
Payments to acquire equity method investments |  | 2,500,000 |  |  |  |  |  |  |
Equity method investment aggregate cost |  | $ 4,500,000 | $ 500,000 | $ 1,000,000 |  |  |  |  |
Equity method investments number of shares acquired |  | 3,750,000 | 416,666 | 833,334 |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  | 45.00% | 51.00% |  |  |
Carrying value of investment |  |  |  |  | $ 5,700,000 |  |  |  |
Quu Inc [Member] |  |  |  |  |  |  |  |  |
Other Assets [Line Items] |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments | $ 1,500,000 |  |  |  |  |  |  |  |
Equity method investments number of shares acquired | 10,000,000 |  |  |  |  |  |  |  |
Equity method investment ownership percentage | 35.00% |  |  |  |  |  |  |  |
Fair value adjustment On equity method investments | $ (100,000) |  |  |  |  |  |  |  |
Carrying value of investment |  |  |  | $ 2,100,000 | $ 2,200,000 |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 16,949,306 |  |  |  |  |  |  |  |
Common Class A [Member] | Renegades Holdings, Inc. [Member] |  |  |  |  |  |  |  |  |
Other Assets [Line Items] |  |  |  |  |  |  |  |  |
Equity method investment, Number of shares issued |  | 235,296 |  |  |  |  |  |  |
Equity method investment, Value of shares issued |  | $ 1,000,000 |  |  |  |  |  |  |

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