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Stock Based Compensation Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (Details) | 12 Months Ended
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Dec. 31, 2020 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 28.83
Number of Stock Options Outstanding (in shares) | shares | 264,090
Weighted-Average Remaining Contractual Life (in years) | 6 years 5 months 23 days
Number of Stock Options Outstanding (in shares) | shares | 140,686
Weighted-Average Remaining Contractual Life (in years) | 5 years 3 days
Weighted-Average Exercise Price (in dollars per share) | $ 26.06
Exercise Price Range $19.70 to $19.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 19.72
Number of Stock Options Outstanding (in shares) | shares | 8,477
Weighted-Average Remaining Contractual Life (in years) | 1 year 2 months 26 days
Number of Stock Options Outstanding (in shares) | shares | 8,477
Weighted-Average Remaining Contractual Life (in years) | 1 year 2 months 26 days
Weighted-Average Exercise Price (in dollars per share) | $ 19.72
Exercise Price Range $20.26 to $20.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 20.54
Number of Stock Options Outstanding (in shares) | shares | 28,623
Weighted-Average Remaining Contractual Life (in years) | 2 years 3 months 14 days
Number of Stock Options Outstanding (in shares) | shares | 28,623
Weighted-Average Remaining Contractual Life (in years) | 2 years 3 months 14 days
Weighted-Average Exercise Price (in dollars per share) | $ 20.54
Exercise Price Range $21.85 to $22.30 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 22.15
Number of Stock Options Outstanding (in shares) | shares | 36,885
Weighted-Average Remaining Contractual Life (in years) | 4 years 8 months 23 days
Number of Stock Options Outstanding (in shares) | shares | 36,885
Weighted-Average Remaining Contractual Life (in years) | 4 years 8 months 23 days
Weighted-Average Exercise Price (in dollars per share) | $ 22.15
Exercise Price Range $29.89 to $30.01 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 29.95
Number of Stock Options Outstanding (in shares) | shares | 97,537
Weighted-Average Remaining Contractual Life (in years) | 7 years 7 months 9 days
Number of Stock Options Outstanding (in shares) | shares | 36,032
Weighted-Average Remaining Contractual Life (in years) | 7 years 5 months 8 days
Weighted-Average Exercise Price (in dollars per share) | $ 29.97
Exercise Price Range $33.06 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 33.06
Number of Stock Options Outstanding (in shares) | shares | 40,244
Weighted-Average Remaining Contractual Life (in years) | 6 years 25 days
Number of Stock Options Outstanding (in shares) | shares | 30,669
Weighted-Average Remaining Contractual Life (in years) | 6 years 25 days
Weighted-Average Exercise Price (in dollars per share) | $ 33.06
Exercise Price Range $34.25 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 34.25
Number of Stock Options Outstanding (in shares) | shares | 52,324
Weighted-Average Remaining Contractual Life (in years) | 9 years 29 days
Number of Stock Options Outstanding (in shares) | shares | 0
Weighted-Average Remaining Contractual Life (in years) | 0 years
Weighted-Average Exercise Price (in dollars per share) | $ 0
Minimum | Exercise Price Range $19.70 to $19.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 19.70
Minimum | Exercise Price Range $20.26 to $20.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 20.26
Minimum | Exercise Price Range $21.85 to $22.30 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 21.85
Minimum | Exercise Price Range $29.89 to $30.01 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 29.89
Maximum | Exercise Price Range $19.70 to $19.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 19.73
Maximum | Exercise Price Range $20.26 to $20.73 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 20.73
Maximum | Exercise Price Range $21.85 to $22.30 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | 22.30
Maximum | Exercise Price Range $29.89 to $30.01 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Weighted-Average Exercise Price (in dollars per share) | $ 30.01

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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=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of exercisable stock options, 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)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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