XML 72 R62.htm IDEA: XBRL DOCUMENT v3.19.2
Share-Based Payments - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Apr. 16, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Recognized stock-based compensation expense $ 4,294   $ 4,014   $ 8,195 $ 7,356    
Restricted Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized stock-based compensation expense 500       500      
RSU                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized stock-based compensation expense $ 23,300       $ 23,300      
LTIP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized (in shares)             7,000,000  
Common stock, shares delivered         433,426 345,996    
LTIP | RSU                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock units vested         730,717 603,677    
Adjustments to additional paid in capital, income tax deficiency from share-based compensation         $ 5,000 $ 4,700    
Common Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share price (in dollars per share)               $ 16.66
Common stock, shares delivered 27,245 433,426 28,070 345,996