Royalty Interests (Details) |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019
USD ($)
a
|
Sep. 30, 2019
USD ($)
|
Jun. 30, 2019
USD ($)
|
Mar. 31, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
a
|
Sep. 30, 2018
USD ($)
|
Jun. 30, 2018
USD ($)
|
Mar. 31, 2018
USD ($)
|
Dec. 31, 2019
USD ($)
a
$ / a
|
Dec. 31, 2018
USD ($)
a
$ / a
$ / shares
|
Dec. 31, 2017
USD ($)
|
|
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Royalty interests acquired (3) | $ 29,320,000 | Ìý | Ìý | Ìý | $ 24,303,000 | Ìý | Ìý | Ìý | $ 29,320,000 | $ 24,303,000 | Ìý |
Total royalty interests, gross | 29,320,000 | Ìý | Ìý | Ìý | 24,303,000 | Ìý | Ìý | Ìý | 29,320,000 | 24,303,000 | Ìý |
Less: accumulated depletion | 260,000 | Ìý | Ìý | Ìý | 0 | Ìý | Ìý | Ìý | 260,000 | 0 | Ìý |
Total royalty interests, net | 29,060,000 | Ìý | Ìý | Ìý | 24,303,000 | Ìý | Ìý | Ìý | 29,060,000 | $ 24,303,000 | Ìý |
Royalty interests sold (in acres) | a | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 812 | Ìý |
Revenue | 113,332,000 | $ 98,530,000 | $ 87,310,000 | $ 191,324,000 | 93,201,000 | $ 73,168,000 | $ 73,844,000 | $ 60,007,000 | 490,496,000 | $ 300,220,000 | $ 154,634,000 |
Average price per net royalty acre sold (in USD per acre) | $ / a | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 23,234 | Ìý |
Acquisition of royalty interests | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 5,017,000 | $ 24,303,000 | 0 |
1/16th nonparticipating perpetual royalty interest | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
1/16th nonparticipating perpetual royalty interest | $ 0 | Ìý | Ìý | Ìý | $ 0 | Ìý | Ìý | Ìý | $ 0 | $ 0 | Ìý |
Nonparticipating perpetual royalty interest rate (in percentage) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 6.25% | 6.25% | Ìý |
Gross royalty interests (in acres) | a | 370,737 | Ìý | Ìý | Ìý | 370,737 | Ìý | Ìý | Ìý | 370,737 | 370,737 | Ìý |
1/128th nonparticipating perpetual royalty interest | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
1/128th nonparticipating perpetual royalty interest | $ 0 | Ìý | Ìý | Ìý | $ 0 | Ìý | Ìý | Ìý | $ 0 | $ 0 | Ìý |
Nonparticipating perpetual royalty interest rate (in percentage) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.78125% | 0.78125% | Ìý |
Gross royalty interests (in acres) | a | 84,934 | Ìý | Ìý | Ìý | 84,934 | Ìý | Ìý | Ìý | 84,934 | 84,934 | Ìý |
Royalty interests in acres | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net royalty interest acquired (in acres) | a | 3,074 | Ìý | Ìý | Ìý | 1,826 | Ìý | Ìý | Ìý | 3,074 | 1,826 | Ìý |
Acquisition in conjunction with sale of 1/8th interest royalty acres | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net royalty interests (in acres) | a | Ìý | Ìý | Ìý | Ìý | 1,480 | Ìý | Ìý | Ìý | Ìý | 1,480 | Ìý |
Acquisition of royalty interests | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 20,600,000 | Ìý |
Average price per net royalty acre acquired (in USD per acre) | $ / shares | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 13,949 | Ìý |
Additional real estate acquisitions | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net royalty interests (in acres) | a | 1,247 | Ìý | Ìý | Ìý | 346 | Ìý | Ìý | Ìý | 1,247 | 346 | Ìý |
Acquisition of royalty interests | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 4,700,000 | $ 3,700,000 | Ìý |
Average price per net royalty acre acquired (in USD per acre) | $ / a | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 3,800 | 10,555 | Ìý |
Sale of oil and gas royalty interests | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Net Book Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Revenue | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 0 | $ 18,875,000 | $ 0 |