Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
The following table is a schedule of the Company’s future minimum payments with commitments that have initial or remaining non-cancelable contractual terms in excess of one year as of December 31, 2019:
(in thousands)
2020
 
2021
 
2022
 
2023
 
2024
 
Thereafter
 
Total
Water disposal agreements
$
2,237

 
$
100

 
$
—

 
$
—

 
$
—

 
$
—

 
$
2,337

Purchase obligations
9,302

 
3,360

 
—

 
—

 
—

 
—

 
12,662

Transportation agreements
13,393

 
9,061

 
1,773

 
—

 
—

 
—

 
24,227

Total
$
24,932

 
$
12,521

 
$
1,773

 
$
—

 
$
—

 
$
—

 
$
39,226


The following is a schedule of the Company’s future contractual payments for operating leases under the scope of ASC 840 that had initial contractual terms greater than one year as of December 31, 2018:
(in thousands)
Drilling Rigs
 
Office Leases
2019
$
43,036

 
$
3,057

2020
4,124

 
2,830

2021
—

 
2,761

2022
—

 
404

Total lease payments
$
47,160

 
$
9,052
Oil and Gas Delivery Commitments and Contracts Disclosure [Table Text Block]
The following table summarizes the natural gas volumes the Company is required to deliver by period under these agreements:
Period
Total Volume Commitments (MMBtu)(1)
 
Daily Volume Commitments (MMBtu/d)(1)
January 2020 - December 2020
114,111,400

 
311,800

January 2021 - December 2021
101,269,000

 
277,400

January 2022 - October 2022
19,700,000

 
64,800

Total
235,080,400

 
 
 
(1)
The amounts reflected within this table are the total gross volumes the Company is required to deliver per the agreements. These volumetric quantities are therefore not comparable to the Company’s net production presented in Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operation as the amounts therein are reflected net of all royalties, overriding royalties and production due to others.