EMPLOYEE COMPENSATION PLANS	3 Months Ended
Mar. 31, 2021
EMPLOYEE COMPENSATION PLANS [Abstract]
EMPLOYEE COMPENSATION PLANS	(16)EQUITY-BASED COMPENSATION PLANS All equity-based awards to employees are recognized in the Consolidated Statements of Comprehensive Income (Loss) at the fair value of the award on the grant date. During the three months ended March 31, 2021 and 2020, the Company recognized total equity-based compensation expense of $4.0 million and $2.9 million, respectively. Of this total compensation expense, $1.3 million and $1.0 million were recognized in Cost of services and $2.7 million and $1.9 million were recognized in Selling, general and administrative during the three months ended March 31, 2021 and 2020, respectively. Restricted Stock Unit Grants During the three months ended March 31, 2021 and 2020, the Company granted 44,471 and 112,915 RSUs, respectively, to new and existing employees, which vest over four to five years. The Company recognized compensation expense related to RSUs of $3.3 million and $2.6 million for the three months ended March 31, 2021 and 2020, respectively. As of March 31, 2021, there was approximately $28.5 million of total unrecognized compensation cost (including the impact of expected forfeitures) related to RSUs granted under the Company’s equity plans. Performance Based Restricted Stock Unit Grants During 2019, the Company awarded performance restricted stock units (“PRSUs”) that are subject to service and performance vesting conditions. If defined minimum targets are met, the annual value of the PRSUs issued will be between $0.4 million and $1.4 million and vest immediately. If the defined minimum targets are not met, then no shares will be issued. The award amounts are based on the Company’s annual adjusted operating income for the fiscal years 2019, 2020 and 2021. Each fiscal year’s adjusted operating income will determine the award amount. The Company recognized compensation expense related to PRSUs of $0.3 million and $0.4 million, respectively, for the three months ended March 31, 2021 and 2020. During 2020, the Company awarded PRSUs that are subject to service and performance vesting conditions. If defined minimum targets are met, the annual value of the PRSUs issued will be between $0.2 million and $2.0 million and vest immediately. If the defined minimum targets are not met, then no shares will be issued. The number of shares awarded are based on the Company’s annual revenue and adjusted operating income for the fiscal years 2021 and 2022. Each fiscal year’s revenue and adjusted operating income will determine the award amount. The Company recognized compensation expense related to PRSUs of $0.5 million for the three months ended March 31, 2021.

EMPLOYEE COMPENSATION PLANS

3 Months Ended

Mar. 31, 2021

EMPLOYEE COMPENSATION PLANS [Abstract]

(16)EQUITY-BASED COMPENSATION PLANS

All equity-based awards to employees are recognized in the Consolidated Statements of Comprehensive Income (Loss) at the fair value of the award on the grant date. During the three months ended March 31, 2021 and 2020, the Company recognized total equity-based compensation expense of $4.0 million and $2.9 million, respectively. Of this total compensation expense, $1.3 million and $1.0 million were recognized in Cost of services and $2.7 million and $1.9 million were recognized in Selling, general and administrative during the three months ended March 31, 2021 and 2020, respectively.

Restricted Stock Unit Grants

During the three months ended March 31, 2021 and 2020, the Company granted 44,471 and 112,915 RSUs, respectively, to new and existing employees, which vest over four to five years. The Company recognized compensation expense related to RSUs of $3.3 million and $2.6 million for the three months ended March 31, 2021 and 2020, respectively. As of March 31, 2021, there was approximately $28.5 million of total unrecognized compensation cost (including the impact of expected forfeitures) related to RSUs granted under the Company’s equity plans.

Performance Based Restricted Stock Unit Grants

During 2019, the Company awarded performance restricted stock units (“PRSUs”) that are subject to service and performance vesting conditions. If defined minimum targets are met, the annual value of the PRSUs issued will be between $0.4 million and $1.4 million and vest immediately. If the defined minimum targets are not met, then no shares will be issued. The award amounts are based on the Company’s annual adjusted operating income for the fiscal years 2019, 2020 and 2021. Each fiscal year’s adjusted operating income will determine the award amount. The Company recognized compensation expense related to PRSUs of $0.3 million and $0.4 million, respectively, for the three months ended March 31, 2021 and 2020.

During 2020, the Company awarded PRSUs that are subject to service and performance vesting conditions. If defined minimum targets are met, the annual value of the PRSUs issued will be between $0.2 million and $2.0 million and vest immediately. If the defined minimum targets are not met, then no shares will be issued. The number of shares awarded are based on the Company’s annual revenue and adjusted operating income for the fiscal years 2021 and 2022. Each fiscal year’s revenue and adjusted operating income will determine the award amount. The Company recognized compensation expense related to PRSUs of $0.5 million for the three months ended March 31, 2021.