INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Gross deferred tax assets:
Pension, postretirement and other employee benefits	$ 1,403	$ 1,512
New Zealand subsidiary	23,461	23,211
CBPC tax credit carry forwards	14,555	14,555
Capitalized real estate costs	1,459	6,635
U.S. TRS net operating loss	18,363	5,410
Land basis difference	9,468	10,626
Other	5,502	4,356
Total gross deferred tax assets	74,211	66,305
Less: Valuation allowance	(46,015)	(39,320)
Total deferred tax assets after valuation allowance	28,196	26,985
Gross deferred tax liabilities:
Accelerated depreciation	(38)	(23)
New Zealand subsidiary	(98,245)	(87,548)
Other	(4,884)	(3,938)
Total gross deferred tax liabilities	(103,167)	(91,509)
Net deferred tax liability reported as noncurrent	$ (74,971)	$ (64,524)