Related Party Transactions	9 Months Ended
	Sep. 30, 2020
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Loews provides a variety of corporate services to the Company under service agreements, including information technology, tax, risk management, internal audit and corporate development services and also charges the Company for allocated overheads. The Company incurred charges related to these services of $1.5 million and $1.4 million for the three months ended September 30, 2020 and 2019, and $4.3 million for the nine months ended September 30, 2020 and 2019.Distributions paid to BPHC and Boardwalk GP were $25.6 million and $76.7 million for the three and nine months ended September 30, 2019. No distributions were paid for the three and nine months ended September 30, 2020. In October 2020, a $102.2 million distribution was approved to be paid to BPHC and Boardwalk GP on November 19, 2020.