Stock-Based Compensation - Stock-Based Compensation and Related Tax Benefit (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 1,729	$ 1,410
Recognized tax benefit	(396)	(296)
Net stock-based compensation expense	1,333	1,114
Stock grant expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	1,577	1,198
Employee stock purchase plan expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	28	17
Total employee stock-based compensation expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	1,605	1,215
Non-employee director stock-based compensation expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 124	$ 195

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

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