Amount of cost for defined contribution plan.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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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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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average grant-date fair value of non-vested options outstanding.

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Share-based Compensation Arrangement by Share-based Payment Award, Performance Period

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Stock Incentive Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock authorized for long-term incentive plan (in shares)	10,000,000
Performance period	3 years
Employee match percentage	5.00%
Defined contribution plan, cost	$ 3,477	$ 3,323	$ 2,975
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options expiration period	10 years
Granted (in shares)	311,306
Shares granted, weighted average exercise price (in dollars per share)	$ 67.17
Grant date fair value (in dollars per share)	$ 14.64
Unrecognized compensation cost	$ 3,470
Expected recognized period	3 years
Aggregate intrinsic value	$ 2,763
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for options	2 years
Granted (in shares)	832,356
Shares granted, weighted average exercise price (in dollars per share)	$ 83.44
Grant date fair value (in dollars per share)	$ 20.31
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 22,055
Expected recognized period	2 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for options	3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for options	5 years