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Equity Incentive Plan Weighted Average Remaining Contractual Life (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award |  |
Options, Outstanding, Number | 608,715 | 847,830
Options, Outstanding, Weighted Average Exercise Price | $ 334.20 | $ 260.88
Options, Outstanding, Weighted Average Remaining Contractual Term | 5 years 2 months 12 days |
Options, Exercisable, Number | 458,803 |
$0.0-$170.00 Range of Exercise Price [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Options, Outstanding, Number | 184,729 |
Options, Outstanding, Weighted Average Exercise Price | $ 158.97 |
Options, Outstanding, Weighted Average Remaining Contractual Term | 2 years 3 months 18 days |
Options, Exercisable, Number | 184,729 |
$170.0-$265.00 Range of Exercise Price [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Options, Outstanding, Number | 145,927 |
Options, Outstanding, Weighted Average Exercise Price | $ 254.61 |
Options, Outstanding, Weighted Average Remaining Contractual Term | 4 years 4 months 24 days |
Options, Exercisable, Number | 145,927 |
$265.0-$400.0 Range of Exercise Price [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Options, Outstanding, Number | 153,226 |
Options, Outstanding, Weighted Average Exercise Price | $ 354.45 |
Options, Outstanding, Weighted Average Remaining Contractual Term | 6 years 3 months 18 days |
Options, Exercisable, Number | 100,952 |
$400.0 and above Range of Exercise Price [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Options, Outstanding, Number | 124,833 |
Options, Outstanding, Weighted Average Exercise Price | $ 661.68 |
Options, Outstanding, Weighted Average Remaining Contractual Term | 8 years 10 months 24 days |
Options, Exercisable, Number | 27,195 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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