Stock-Based Incentive Plans - Employee Stock Purchase Plan (Details) - USD ($) $ 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]
Share-based compensation expense	$ 10,919	$ 8,470	$ 10,304
2017 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Discount from market value on common stock	15.00%
Offering period	6 months
Maximum amount available to participants per year	$ 25
Shares authorized for issuance (in shares)	600,000
Shares available (in shares)	223,678
2017 ESPP \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 401	$ 493	$ 744

Employee Stock Purchase Plan, Discount from Market Value on Common Stock

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Employee Stock Purchase Plan, Maximum Amount Available to Participants Per Year

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Employee Stock Purchase Plan, Offering Period

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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