Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands						1 Months Ended	3 Months Ended								12 Months Ended
	Dec. 26, 2019 shares	Oct. 05, 2018 USD ($) $ / shares shares	Oct. 02, 2018 USD ($) shares	Sep. 27, 2018 $ / shares shares	Apr. 27, 2017 USD ($) shares	Dec. 31, 2019 $ / shares shares	Dec. 31, 2019 $ / shares shares	Sep. 30, 2019 $ / shares	Jun. 30, 2019 $ / shares	Mar. 31, 2019 $ / shares	Dec. 31, 2018 $ / shares	Sep. 30, 2018 $ / shares	Jun. 30, 2018 $ / shares	Mar. 31, 2018 $ / shares	Dec. 31, 2019 trading_day $ / shares shares	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2017 USD ($)
Class of Stock [Line Items]
Exchange of Class B Common Stock to Class A Common Stock (in shares)	14,100,000					14,100,000
Stock issued during period | $																$ 39,356	$ 90,780
Warrants term					5 years
Tema
Class of Stock [Line Items]
Warrants exercisable (shares)					4,000,000
Sponsor | Early Bird Capital Inc. | Private Placement Warrants
Class of Stock [Line Items]
Securities called by warrant (shares)						8,408,838	8,408,838								8,408,838
Warrant
Class of Stock [Line Items]
Securities called by warrant (shares)						588,276	588,276								588,276
Warrants outstanding (shares)						25,594,158	25,594,158								25,594,158
Class of warrant redemption threshold trading days | trading_day															20
Period of class of warrant redemption threshold trading days | trading_day															30
Warrant | IPO
Class of Stock [Line Items]
Securities called by warrant (shares)						7,597,044	7,597,044								7,597,044
Warrant | Tema
Class of Stock [Line Items]
Securities called by warrant (shares)						4,000,000	4,000,000								4,000,000
Warrant | PIPE Investors
Class of Stock [Line Items]
Securities called by warrant (shares)						5,000,000	5,000,000								5,000,000
Common Stock Subscribed | Underwriting Agreement
Class of Stock [Line Items]
Shares issued in Transaction (shares)			6,150,000	6,150,000
Price per share (in USD per share) | $ / shares				$ 6.10
Discount per share on common stock exercise, net of underwriting discount and commissions (USD per share) | $ / shares				$ 5.795
Consideration received on Transaction | $		$ 4,900	$ 34,500
Common Stock Subscribed | Over-Allotment Option
Class of Stock [Line Items]
Shares issued in Transaction (shares)		840,744		922,500
Discount per share on common stock exercise, net of underwriting discount and commissions (USD per share) | $ / shares		$ 5.795000
Option period to purchase stock				30 days
Class B Common Stock | Rosehill Operating
Class of Stock [Line Items]
Issuance of stock and warrants (in shares)					29,807,692
Class B Common Stock | Tema
Class of Stock [Line Items]
Exchange of Class B Common Stock to Class A Common Stock (in shares)						15,707,692
8.0% Series A Cumulative Perpetual Preferred Stock
Class of Stock [Line Items]
Series A preferred stock, liquidation preference (USD per share) | $ / shares						$ 1,000	$ 1,000								$ 1,000
8% Series A Cumulative Perpetual Convertible Preferred Stock
Class of Stock [Line Items]
Price per share (in USD per share) | $ / shares						$ 11.50	$ 11.50								$ 11.50
Stock issued upon conversion of convertible preferred stock (shares)						86.9565	86.9565								86.9565
Share price (USD per share) | $ / shares						$ 11.5	$ 11.5								$ 11.5
Class A Common Stock
Class of Stock [Line Items]
Exercise price of warrants (USD per share) | $ / shares						21.00	21.00								21.00
Series A Preferred Stock
Class of Stock [Line Items]
Series A preferred stock, liquidation preference (USD per share) | $ / shares						$ 1,000	1,000				$ 1,000				$ 1,000	$ 1,000
Dividends declared on preferred stock (USD per share) | $ / shares							$ 20.16	$ 20.16	$ 19.95	$ 19.73	$ 20.16	$ 20.16	$ 19.95	$ 19.73
Variable Interest Entity, Not Primary Beneficiary | Tema
Class of Stock [Line Items]
Ownership in variable interest entity															35.50%
Tax Receivable Agreement
Class of Stock [Line Items]
Securities called by warrant (shares)					4,000,000
PIPE Investors | Private Placement Warrants
Class of Stock [Line Items]
Shares issued in Transaction (shares)					476,540
Issuance of stock and warrants (in shares)					75,000
Proceeds from equity | $					$ 70,800
PIPE Investors | Class A Common Stock | Private Placement Warrants
Class of Stock [Line Items]
Issuance of stock and warrants (in shares)					5,000,000
PIPE Investors | Series A Preferred Stock
Class of Stock [Line Items]
Issuance of stock and warrants (in shares)					20,000
Common stock outstanding					30.00%
Rosemore Holdings Inc | Series A Preferred Stock
Class of Stock [Line Items]
Stock issued during period | $					$ 20,000
Rosemore Holdings Inc | Series A Preferred Stock | Sponsor
Class of Stock [Line Items]
Issuance of stock and warrants (in shares)					20,000