STOCK-BASED INCENTIVE COMPENSATION	9 Months Ended
	Sep. 30, 2021
Share-based Payment Arrangement [Abstract]
Stock-Based Incentive Compensation	STOCK-BASED INCENTIVE COMPENSATIONEquity Incentive Plans — Under the Company’s 2018 Equity Incentive Plan (the “2018 Plan”), approved at the annual meeting by the BioScrip stockholders on May 3, 2018, the Company may issue, among other things, incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock units, stock grants, and performance units to key employees and directors. The 2018 plan is administered by the Company’s Compensation Committee, a standing committee of the Board of Directors. A total of 9,101,734 shares of common stock are authorized for issuance. The Company had stock options, restricted stock and performance stock units outstanding related to the 2018 Plan as of September 30, 2021. As of September 30, 2021, the Company also had incentive units outstanding related to the HC I equity incentive plan, which was implemented in October 2015, for certain officers and employees of the Company. During the three and nine months ended September 30, 2021, total stock-based incentive compensation expense recognized by the Company related to these plans was $2.5 million and $6.2 million, respectively. During the three and nine months ended September 30, 2020, total stock-based incentive compensation expense recognized by the Company related to these plans was $1.2 million and $2.6 million, respectively.