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Employee Stock Purchase Plan, Stock Options and Warrants - Options Outstanding (Details) shares in Thousands | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
$9.95 - $17.27 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | $ 9.95
Range of exercise, upper (in dollars per share) | $ 17.27
Number outstanding (in shares) | shares | 1,052
Weighted Average Remaining Contractual Life (in years) | 2 years 3 months 7 days
Weighted average exercise price (in dollars per share) | $ 15.04
Number exercisable (in shares) | shares | 795
Weighted average exercise price (in dollars per share) | $ 14.62
$18.80 - $25.89 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | 18.80
Range of exercise, upper (in dollars per share) | $ 25.89
Number outstanding (in shares) | shares | 335
Weighted Average Remaining Contractual Life (in years) | 3 years 3 months 25 days
Weighted average exercise price (in dollars per share) | $ 20.36
Number exercisable (in shares) | shares | 200
Weighted average exercise price (in dollars per share) | $ 20.25
$28.20 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | $ 28.20
Number outstanding (in shares) | shares | 914
Weighted Average Remaining Contractual Life (in years) | 4 years 3 months 3 days
Weighted average exercise price (in dollars per share) | $ 28.20
Number exercisable (in shares) | shares | 335
Weighted average exercise price (in dollars per share) | $ 28.20
$28.93 - $50.50 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | 28.93
Range of exercise, upper (in dollars per share) | $ 50.50
Number outstanding (in shares) | shares | 957
Weighted Average Remaining Contractual Life (in years) | 5 years 3 months 14 days
Weighted average exercise price (in dollars per share) | $ 42.02
Number exercisable (in shares) | shares | 202
Weighted average exercise price (in dollars per share) | $ 42.36
$51.31 - $57.26 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | 51.31
Range of exercise, upper (in dollars per share) | $ 57.26
Number outstanding (in shares) | shares | 1,061
Weighted Average Remaining Contractual Life (in years) | 6 years 2 months 4 days
Weighted average exercise price (in dollars per share) | $ 55.28
$9.95 - $57.26 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Range of exercise, lower (in dollars per share) | 9.95
Range of exercise, upper (in dollars per share) | $ 57.26
Number outstanding (in shares) | shares | 4,319
Number exercisable (in shares) | shares | 1,532

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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