Stock-Based Compensation (Details 4) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($) $ / shares shares
Share-based Payment Arrangement, Noncash Expense [Abstract]
Options Outstanding, Expected to Vest (in shares) \| shares	610,325
Options Outstanding, Expected to Vest, Weighted-Average Exercise Price (in dollars per share) \| $ / shares	$ 45.35
Options Outstanding, Expected to Vest, Aggregate Intrinsic Value \| $	$ 10,145
Options Outstanding, Expected to Vest, Weighted-Average Remaining Term	6 years 10 months 6 days
Options Outstanding, Exercisable (in shares) \| shares	382,187
Options Outstanding, Exercisable, Weighted-Average Exercise Price (in dollars per share) \| $ / shares	$ 37.39
Options Outstanding, Exercisable, Aggregate Intrinsic Value \| $	$ 9,394
Options Outstanding, Exercisable, Weighted-Average Remaining Term	5 years 9 months 7 days

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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-SubTopic 10
-Section 50
-Paragraph 2
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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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