JOINT VENTURE PARTNERSHIPS AND EQUITY METHOD INVESTMENTS (Details) $ in Millions, $ in Millions	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CAD ($)
Investments in unconsolidated joint venture partnerships and equity method investments Financial Statement, Reported Amounts
The value of the Company's recorded investment in the Alberta partnership assigned to Canadian licenses	$ 22.4
AHS transfer to Canadian JV		$ 50.0
Alberta, Canada [Member]
Investments in unconsolidated joint venture partnerships and equity method investments Financial Statement, Reported Amounts
Net Investment	$ (34.6)
Interest Owned	43.37%	43.37%
Florence, South Carolina [Member]
Investments in unconsolidated joint venture partnerships and equity method investments Financial Statement, Reported Amounts
Net Investment	$ (10.2)
Interest Owned	49.00%	49.00%
Buffalo, New York [Member]
Investments in unconsolidated joint venture partnerships and equity method investments Financial Statement, Reported Amounts
Net Investment	$ (13.4)
Interest Owned	48.18%	48.18%
Various
Investments in unconsolidated joint venture partnerships and equity method investments Financial Statement, Reported Amounts
Net Investment	$ (7.2)