|6 Months Ended|
Jun. 30, 2019
|Real Estate [Abstract]|
As of June 30, 2019 and December 31, 2018, the Trust owned the following oil and gas royalty interests (in thousands, except number of interests):
No valuation allowance was necessary at June 30, 2019 and December 31, 2018.
For the six months ended June 30, 2019, the Trust acquired oil and gas royalty interests in approximately 1,247 net royalty acres (normalized to 1/8th) for an aggregate purchase price of $4.7 million, an average price of approximately $3,800 per net royalty acre.
There were no oil and gas royalty interest transactions for the six months ended June 30, 2018.