Related Party Transactions	3 Months Ended
	Mar. 31, 2020
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONSIn connection with the NACP Combination, the Company entered into agreements with IP for transition services, fiber procurement fees and corrugated products and ink supply. Payments to IP for the three months ended March 31, 2020 for fiber procurement fees and corrugated products were $2.8 million (related to pass through wood purchases of approximately $59 million) and $7.8 million, respectively. There were no payments to IP for transition services during the three months ended March 31, 2020.  Payments to IP for the three months ended March 31, 2019 for transition services, fiber procurement fees and corrugated products and ink supply were $0.1 million, $2.8 million (related to pass through wood purchases of approximately $62 million) and $6.3 million, respectively. In addition, approximately $1 million of payments were made for purchases unrelated to these agreements for the three months ended March 31, 2019.