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Stockholders' Equity - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 26, 2021
Sep. 20, 2021
Oct. 26, 2020
Oct. 23, 2018
Aug. 11, 2014
Jan. 27, 2020
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Oct. 31, 2021
Aug. 31, 2019
Mar. 31, 2019
Aug. 31, 2017
Aug. 31, 2015
Oct. 31, 2005
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Outstanding stock options             1,453,739 2,791,084 3,001,350     3,166,525      
Total share-based compensation             $ 26,552,000 $ 22,710,000 $ 19,694,000            
Fair value of options vested             $ 2,248,000 3,272,000 3,940,000            
Stock repurchase program, authorized amount                   $ 60,000,000          
Stock repurchased during period, shares             2,169,896                
Stock repurchased during period, value [1]             $ 35,874,000                
Weighted-average share repurchase price             $ 16.53                
Stock repurchased available during period value             $ 24,126,000                
7.4% Previously Owned Shareholder                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Stock repurchased during period, shares             2,000,000                
Stock repurchased during period, value             $ 33,100,000                
Percentage of shares repurchased on outstanding shares             3.00%                
Percentage of shares previously owned             7.40%                
Employee Stock Options                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Outstanding stock options             1,409,539                
Total share-based compensation             $ 1,251,000 $ 2,536,000 $ 3,826,000            
Total unrecognized compensation costs             $ 83,000                
Stock option recognized over weighted average period (in years)             2 months 12 days                
Restricted Stock                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number             2,205,149                
Restricted Stock                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number             3,242,763 2,263,569 2,312,780     1,715,958      
Total share-based compensation             $ 20,821,000 $ 16,371,000 $ 14,706,000            
Stock option recognized over weighted average period (in years)             2 years                
Total unrecognized compensation costs             $ 35,894,000                
Stock awards vested as of vesting             $ 18,156,000 $ 14,138,000 $ 12,962,000            
Net share-settled upon vesting             356,490 349,895 241,571            
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures             2,391,578 1,222,863 1,529,831            
Restricted Stock | Minimum                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Vesting period             1 year                
Restricted Stock | Maximum                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Vesting period             3 years                
Performance Stock Units and Awards                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             $ 184,000 $ 246,000              
Number of shares granted             123,082                
Stock option recognized over weighted average period (in years)             2 years 2 months 12 days                
Total unrecognized compensation costs             $ 12,069,000                
Stock awards vested as of vesting               422,000 $ 368,000            
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number             0                
Shares were ultimately earned and issued during the performance period             102,813                
Performance Stock Units and Awards | Units Granted On October 2018                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             $ 359,000 458,000              
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures       248,140                      
Percentage of shares issued, minimum       50.00%                      
Percentage of shares issued, maximum       200.00%                      
Weighted-average grant date fair value       $ 17.84                      
Percentage of performance stock units tied to 3-year total shareholder return       34.00%                      
Percentage of performance stock units tied to fiscal year 2021 revenue       33.00%                      
Percentage performance stock units tied to fiscal year 2021 adjusted earnings per share goals       33.00%                      
Performance Stock Units and Awards | Units Granted On December 2019 and January 2020                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             82,000 1,455,000 $ 309,000            
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures           279,587                  
Percentage of shares issued, minimum           42.50%                  
Percentage of shares issued, maximum           172.50%                  
Weighted-average grant date fair value           $ 16.02                  
Percentage of performance stock units tied to fiscal year 2021 revenue goal           80.00%                  
Percentage of performance stock units tied to fiscal year 2022 revenue goal           20.00%                  
Vesting period for the 3-year total shareholder return           3 years                  
Performance Stock Units and Awards | Units Granted on September 2021                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             1,210,000                
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures   450,000                          
Weighted-average grant date fair value   $ 10.52                          
Performance period   5 years                          
Award continued service period   3 years                          
Performance Stock Units and Awards | Units Granted on October 2021                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             1,476,000                
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures 476,713                            
Weighted-average grant date fair value $ 13.02                            
Award continued service period 3 years                            
Performance Stock Units and Awards | Units Granted On October Two Thousand Twenty                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Total share-based compensation             $ 1,418,000 $ 1,187,000              
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures     408,861                        
Percentage of shares issued, minimum     8.50%                        
Percentage of shares issued, maximum     199.50%                        
Weighted-average grant date fair value     $ 16.25                        
Percentage of performance stock units tied to fiscal year 2021 revenue goal     80.00%                        
Percentage of performance stock units tied to fiscal year 2022 revenue goal     20.00%                        
Vesting period for the 3-year total shareholder return     3 years                        
2005 Employee Stock Option and Incentive Plan                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Common stock reserved for issuance                             4,800,000
Outstanding stock options             44,200                
2005 Employee Stock Option and Incentive Plan | Employee Stock Options                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Expiration period (in years)             10 years                
Share-based compensation award plan , expiration date             May 25, 2015                
2015 Plan                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Common stock reserved for issuance                   1,850,000 3,575,000   6,000,000    
Common stock reserved                           11,500,000  
Shares available for future grant             2,399,848                
2015 Plan | Employee Stock Options                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Expiration period (in years)             10 years                
Number of shares granted             0 0 0            
Inducement Plan                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Common stock reserved for issuance             1,500,000                
Shares available for future grant             12,386                
Inducement Plan | Restricted Stock                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number             1,037,614                
Inducement Plan | Performance Stock Unit Awards                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number             450,000                
Employee Share Purchase Plan                              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                              
Common stock reserved for issuance         4,000,000   888,961                
Total share-based compensation             $ 553,000 $ 519,000 $ 484,000            
Maximum percentage of gross payroll deduction         15.00%                    
Purchase price as a percentage of fair market value         90.00%                    
Maximum shares purchase in a single transaction         1,500                    
Maximum amount purchased in a calendar year         $ 25,000                    
Shares issued             3,111,039                
[1] Weighted-average repurchase price (dollars per share) for the year ended March 31, 2022 was $16.53.