Equity - Dividends (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity
Distributions paid to unit holders	$ 19,026	$ 19,260	$ 4,713
Distribution received	12,391	12,760
Dividend paid to common stock	12,391	12,760
Dividends paid to restricted stock	314	282
Solaris LLC
Equity
Distributions paid to unit holders	$ 19,026	$ 19,260