Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial assets
Derivative asset - current	$ 72	$ 7,509
Derivative asset - noncurrent	694	396
Financial liabilities
Derivative liability - current	57,957	1,135
Derivative liability - noncurrent	5,401	173
Fair Value on a Recurring Basis
Financial assets
Derivative asset - current	72	7,509
Derivative asset - noncurrent	694	396
Total financial assets	766	7,905
Financial liabilities
Derivative liability - current	57,957	1,135
Derivative liability - noncurrent	5,401	173
Total financial liabilities	63,358	1,308
Level 1 \| Fair Value on a Recurring Basis
Financial assets
Derivative asset - current	0	0
Derivative asset - noncurrent	0	0
Total financial assets	0	0
Financial liabilities
Derivative liability - current	0	0
Derivative liability - noncurrent	0	0
Total financial liabilities	0	0
Level 2 \| Fair Value on a Recurring Basis
Financial assets
Derivative asset - current	72	7,509
Derivative asset - noncurrent	694	396
Total financial assets	766	7,905
Financial liabilities
Derivative liability - current	57,957	1,135
Derivative liability - noncurrent	5,401	173
Total financial liabilities	63,358	1,308
Level 3 \| Fair Value on a Recurring Basis
Financial assets
Derivative asset - current	0	0
Derivative asset - noncurrent	0	0
Total financial assets	0	0
Financial liabilities
Derivative liability - current	0	0
Derivative liability - noncurrent	0	0
Total financial liabilities	$ 0	$ 0

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