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GENERAL - Reconciliation of Company's Weighted-average Number of Outstanding Common Shares and Common Limited Partner Units (Parenthetical) (Parenthetical) (Detail) - shares
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Shares and units excluded from the calculation of diluted weighted-average number of outstanding common shares limited partner units, because of their anti-dilutive effect 977,166 515,625 1,333,572