Stock-Based Compensation Schedule of Stock Option Activity (Details) - Stock options - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Shares Outstanding [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	0	114,594
Stock options exercised, shares	(112,472)
Stock options forfeited/canceled, shares	(2,122)
Weighted Average Fair Value [Abstract]
Stock options outstanding, weighted average exercise price	$ 0	$ 12.26
Stock options exercised, weighted average exercise price	11.88
Stock options forfeited/canceled, weighted average exercise price	$ 32.31
Aggregate Intrinsic Value [Abstract]
Stock options exercised, aggregate intrinsic value	$ 2,629
Stock options outstanding, aggregate intrinsic value	$ 0

Aggregate Intrinsic Value [Abstract]

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Shares Outstanding [Abstract]

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Weighted Average Fair Value [Abstract]

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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-Name Accounting Standards Codification
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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