Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - Additional Information (Detail)

v3.19.2
Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2019
Oct. 31, 2018
May 31, 2016
Aug. 31, 2015
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Mar. 31, 2019
Nov. 02, 2012
Non-Qualified Stock Options                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock units granted 60,742 105,398                  
Restricted stock units\non-qualified stock options, granted description             One third of the NQOs will vest and become exercisable on each of the first, second and third anniversaries of the grant date.        
Fair value assumptions, strike price $ 14.54 $ 13.97                  
Fair value assumptions, risk free rate 2.32% 2.94%                  
Fair value assumptions, expiration 5 years 5 years                  
Fair value assumptions, volatility 34.20% 32.70%                  
Compensation expense forfeiture rate 1.00% 1.00%                  
Compensation expense         $ 879 $ 801 $ 1,721 $ 1,601      
Unrecognized compensation expense related to unvested awards                 $ 2,392 $ 1,464  
Recognition period of unrecognized compensation expense related to unvested awards             2 years 8 months 4 days   1 year 6 months 3 days    
Restricted Stock Units                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock units granted             34,388        
Compensation expense         879 $ 801 $ 1,721 $ 1,601      
Unrecognized compensation expense related to unvested awards         $ 1,464   $ 1,464   $ 2,392    
Recognition period of unrecognized compensation expense related to unvested awards             2 years 8 months 4 days   1 year 6 months 3 days    
2012 Equity Incentive Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Shares reserved for issuance         489,549   489,549        
Shares reserved for issuance, authorized                     1,687,500
Restricted stock units granted     3,791 966,510              
Fair Value per unit     $ 13.19 $ 13.23              
Restricted stock units\non-qualified stock options, granted description             Twenty-five percent of the RSUs granted vest and settle on each of the first, second, third and fourth anniversaries of the grant date.        
2012 Equity Incentive Plan | Employee                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock units granted 34,388   7,582                
Fair Value per unit $ 14.54   $ 13.19                
Restricted stock units\non-qualified stock options, granted description             Twenty-five percent of the RSUs granted vest and settle on each of the first, second, third and fourth anniversaries of the grant date.        
2012 Equity Incentive Plan | Board of Directors                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock units granted     3,000                
Fair Value per unit     $ 13.19                
Restricted stock units\non-qualified stock options, granted description             One hundred percent of the RSUs granted vested and settled on the first anniversary of the grant date.        
2012 Equity Incentive Plan | First Anniversary                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage     25.00% 25.00%              
2012 Equity Incentive Plan | First Anniversary | Employee                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage 25.00%   25.00%                
2012 Equity Incentive Plan | First Anniversary | Board of Directors                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage     100.00%                
2012 Equity Incentive Plan | Second Anniversary                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage     25.00% 25.00%              
2012 Equity Incentive Plan | Second Anniversary | Employee                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage 25.00%   25.00%                
2012 Equity Incentive Plan | Third Anniversary                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage     25.00% 25.00%              
2012 Equity Incentive Plan | Third Anniversary | Employee                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage 25.00%   25.00%                
2012 Equity Incentive Plan | Fourth Anniversary                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage     25.00% 25.00%              
2012 Equity Incentive Plan | Fourth Anniversary | Employee                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Restricted stock, vesting percentage 25.00%   25.00%