GENERAL - Reconciliation of Company's Weighted-average Number of Outstanding Common Shares and Common Limited Partner Units (Detail) - shares shares in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Weighted average number of outstanding common shares—basic	[1]	97,572	39,329	96,022	39,115
Weighted average number of outstanding common shares—diluted	[1]	97,572	39,329	96,022	39,115
Weighted average number of common limited partner units—basic			39,329		39,115
Weighted average number of common limited partner units—diluted			39,329		39,115

[1] For the three and six months ended June 30, 2020, represents weighted average number of common shares outstanding and for the three and six months ended June 30, 2019, represents weighted average number of common limited partner units outstanding.