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Stock-Based Compensation
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION
    The Company has stock incentive plans for executives, directors and eligible employees. Stock awards include performance shares, restricted stock and stock options. Stock-based compensation expense in the three and nine months ended September 30, 2021 was $2.7 million and $10.2 million, respectively, compared to $2.0 million and $6.3 million in the three and nine months ended September 30, 2020. At September 30, 2021, there was $11.9 million of unrecognized stock-based compensation cost which is expected to be recognized over a weighted-average remaining vesting period of 1.6 years.
    The following table summarizes the grants awarded during the nine months ended September 30, 2021:
Grant dateRestricted
stock		Grant date fair
value of
restricted stock		Performance
shares		Grant date fair
value of
performance
shares
February 24, 20215,000 $10.40 — $— 
May 12, 2021893,329 $9.40 593,577 $10.19