Impairment Charges - Narrative (Details) - USD ($)	3 Months Ended				12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Impaired Long-Lived Assets Held and Used [Line Items]
Property, plant and equipment, net		$ 590,309,000			$ 486,930,000	$ 590,309,000
Long-lived assets	$ 50,514,000	702,000	$ 5,546,000	$ 28,661,000
Goodwill	93,606,000	19,900,000			93,606,000	19,900,000
Asset retirement obligation, accretion expense					1,526,000	1,538,000	$ 1,689,000
Asset retirement obligation, current					0	497,000	6,629,000
Goodwill		110,173,000			8,729,000	110,173,000	114,207,000
Canada
Impaired Long-Lived Assets Held and Used [Line Items]
Property, plant and equipment, net	43,500,000
Long-lived assets	38,075,000	702,000	0	28,661,000
Goodwill	93,606,000	19,900,000			93,606,000	19,900,000
Goodwill	0	102,238,000			0	102,238,000	114,207,000
Canada | Canada
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived assets	93,600,000
U.S.
Impaired Long-Lived Assets Held and Used [Line Items]
Property, plant and equipment, net	12,500,000
Long-lived assets	12,439,000	0	0	0
Goodwill	0	0			0	0
Goodwill		0			0	0	0
Australia
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived assets	0	0	5,546,000	$ 0
Goodwill	0	0			0	0
Depreciation and amortization			500,000
Impairment expense			1,000,000.0
Goodwill		$ 7,935,000			$ 8,729,000	$ 7,935,000	$ 0
Canadian Lodge In Southern Alberta | Canada
Impaired Long-Lived Assets Held and Used [Line Items]
Property, plant and equipment, net	$ 0		500,000
Long-lived assets			4,500,000
Restatement Adjustment | Previously Unrecorded Liability For Asset Retirement Obligation | Australia Village | Australia
Impaired Long-Lived Assets Held and Used [Line Items]
Asset retirement obligation, accretion expense			900,000
Depreciation and amortization			500,000
Impairment expense			1,000,000.0
Asset retirement obligation, current			$ 2,300,000