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Capital Stock, Authorized Capital Stock (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 Vote $ / shares shares | Dec. 31, 2018 $ / shares shares
Capital Stock [Abstract] |  |
Preferred stock, authorized (in shares) | 25,000,000 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 |
Common stock, shares authorized (in shares) | 500,000,000 | 500,000,000
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001
Preferred stock, shares outstanding (in shares) | 0 | 0
Common Class A [Member] |  |
Capital Stock [Abstract] |  |
Common stock, shares authorized (in shares) | 500,000,000 |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 |
Number of votes per share | Vote | 1 |
Number of shares of class A common stock issued after conversion of Class B common stock (in shares) | 1 |
Common Class B [Member] |  |
Capital Stock [Abstract] |  |
Common stock, shares authorized (in shares) | 100,000,000 |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 |
Common stock, shares outstanding (in shares) | 0 | 0
Number of votes per share | Vote | 10 |

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- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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