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Stock Options - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Jun. 08, 2021 | Jun. 07, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Aggregate value of options exercised | $ 2,227 | $ 2,596 |  |
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized | $ 3,900 |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 28 months |  |  |
Share-based Payment Arrangement, Option And Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares counted against Share Reserve |  |  |  | 1
Number of shares added back, expiration or termination |  |  |  | 1
Number of shares added back, withheld, tendered or exchanged |  |  |  | 1
Share-based Payment Arrangement, Excluding Than Option And Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares counted against Share Reserve |  |  |  | 2
Number of shares added back, expiration or termination |  |  |  | 2
Number of shares added back, withheld, tendered or exchanged |  |  |  | 2
2013 Stock Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Authorized |  |  | 1,800,000 | 5,858,892

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