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Stock-Based Compensation - Detailed Information Regarding Active Stock Incentive Plans (Details)
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining shares available for grant under the plan (in shares) 223,199
Outstanding shares granted under the plan (in shares) 1,148,202
2003 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Initial shares available for grant under the plan (in shares) 1,000,000
Remaining shares available for grant under the plan (in shares) 0
Outstanding shares granted under the plan (in shares) 14,391
2006 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Initial shares available for grant under the plan (in shares) 1,000,000
Remaining shares available for grant under the plan (in shares) 0
Outstanding shares granted under the plan (in shares) 25,275
2010 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Initial shares available for grant under the plan (in shares) 1,000,000
Remaining shares available for grant under the plan (in shares) 0
Outstanding shares granted under the plan (in shares) 123,131
2014 Stock Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Initial shares available for grant under the plan (in shares) 1,100,000
Remaining shares available for grant under the plan (in shares) 0
Outstanding shares granted under the plan (in shares) 357,860
2018 Equity and Incentive Compensation Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Initial shares available for grant under the plan (in shares) 1,000,000
Remaining shares available for grant under the plan (in shares) 223,199
Outstanding shares granted under the plan (in shares) 627,545