Investment in Unconsolidated Affiliates (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Equity method investments
Distributions	$ 1.8	$ 2.5
Equity in income (loss)	1.7	5.3
Total investment in unconsolidated affiliates	$ 43.0		$ 43.1
GCF
Equity method investments
Ownership interest	38.75%
Distributions	$ 1.6	2.2
Equity in income (loss)	$ 1.8	5.7
Cedar Cove JV
Equity method investments
Ownership interest	30.00%
Distributions	$ 0.2	0.3
Equity in income (loss)	(0.1)	$ (0.4)
EnLink Midstream Partners, LP
Equity method investments
Total investment in unconsolidated affiliates	43.0		43.1
EnLink Midstream Partners, LP \| GCF
Equity method investments
Total investment in unconsolidated affiliates	39.4		39.2
EnLink Midstream Partners, LP \| Cedar Cove JV
Equity method investments
Total investment in unconsolidated affiliates	$ 3.6		$ 3.9

This element represents disclosure of the aggregate cash dividends paid to the entity by unconsolidated subsidiaries.

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