DERIVATIVES - Additional Information (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) derivative_contract board_foot	Mar. 31, 2018 USD ($) derivative_contract board_foot
Derivative [Line Items]
Restricted cash on deposit | $	$ 86,100	$ 26,700
Net Long (Buying)
Derivative [Line Items]
Buying position | board_foot	660,000	330,000
Number of lumber derivative contract | derivative_contract	6	3
Short
Derivative [Line Items]
Buying position | board_foot	660,000	330,000
Number of lumber derivative contract | derivative_contract	6	3
Long
Derivative [Line Items]
Buying position | board_foot		1,320,000
Number of lumber derivative contract | derivative_contract		12
Other Current Assets
Derivative [Line Items]
Fair value of lumber contracts | $	$ (14,100)	$ 55,200
Other Current Assets | Net Long (Buying)
Derivative [Line Items]
Fair value of lumber contracts | $		$ 33,100