XML 48 R37.htm IDEA: XBRL DOCUMENT v3.19.1
STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 6 Months Ended
Feb. 28, 2019
Mar. 31, 2019
Mar. 31, 2018
Sep. 30, 2018
Restricted Stock Units (RSUs)        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Unvested restricted stock outstanding (in shares)   159,716   190,500
Compensation expense   $ 1.6 $ 1.7  
Restricted Stock Units (RSUs) | Time Based Restricted Stock Unit        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Restricted Stock Units (RSUs) | Performance Based Restricted Stock Unit        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period   3 years    
Restricted Stock        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Compensation expense   $ 0.3 $ 0.4  
Restricted Stock | Immediate Vesting        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting, percentage   50.00%    
Restricted Stock | Anniversary of Grant Date        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting, percentage   50.00%    
Restricted Stock | Non Employee Director Equity Incentive Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares issued under the plan (in shares)   2,000    
Restricted stock issued (in shares) 14,000      
Shares issued, price per share (in usd per share)   $ 34.02