INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Gross deferred tax assets:
Pension, postretirement and other employee benefits	$ 1,512	$ 1,791
New Zealand subsidiary	23,211	14,252
CBPC tax credit carry forwards	14,555	14,555
Capitalized real estate costs	6,635	7,386
U.S. TRS net operating loss	5,410	5,747
Land basis difference	10,626	11,282
Other	4,356	4,047
Total gross deferred tax assets	66,305	59,060
Less: Valuation allowance	(39,320)	(38,839)
Total deferred tax assets after valuation allowance	26,985	20,221
Gross deferred tax liabilities:
Accelerated depreciation	(23)	(73)
New Zealand subsidiary	(87,548)	(66,430)
Timber installment sale	0	(4,823)
Other	(3,938)	(1,272)
Total gross deferred tax liabilities	(91,509)	(72,598)
Net deferred tax liability reported as noncurrent	$ (64,524)	$ (52,377)