Quarterly report pursuant to Section 13 or 15(d)

EARNINGS (LOSS) PER SHARE - Antidilutive (Details)

v3.19.1
EARNINGS (LOSS) PER SHARE - Antidilutive (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Restricted Stock | Service vesting    
Anti-dilutive shares 257,109 6,060
Restricted Stock | Performance And Market Vesting    
Anti-dilutive shares 636,957 404,304
Stock options    
Anti-dilutive shares 122,000 122,000