Stock-Based Compensation - Long-Term Awards (Details) shares in Thousands	Sep. 30, 2020 shares
Total target performance awards as of September 30, 2020	458
2018 Program [Member] | Long-Term Awards [Member]
Total target performance awards as of September 30, 2020	110
2019 Program [Member] | Long-Term Awards [Member]
Total target performance awards as of September 30, 2020	82	[1]
2020 Program [Member] | Annual Awards [Member]
Total target performance awards as of September 30, 2020	196	[1]
2020 Program [Member] | Long-Term Awards [Member]
Total target performance awards as of September 30, 2020	70	[1]

[1] Approved by the Board on March 17, 2020. The number of target LTIP Units was based on the closing price of the Company’s common stock reported on the New York Stock Exchange (“NYSE”) on that date.