STATEMENTS OF ASSETS, LIABILITIES AND TRUST CORPUS [Abstract] Total Assets Total Liabilities and Trust Corpus STATEMENTS OF REVENUE COLLECTED AND EXPENSES PAID [Abstract] Trust Income Trust Expenses Net Income Net income STATEMENTS OF UNDISTRIBUTED EARNINGS [Abstract] Balance, beginning of period Balance, end of period Undistributed earnings STATEMENTS OF CHANGES IN CASH AND CASH EQUIVALENTS [Abstract] Net cash used in operating activities Net cash provided by financing activities Net (decrease) increase in cash and cash equivalents during the period Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Summary of significant accounting policies [Abstract] Formation of the Trust [Abstract] Related party transactions [Abstract] Employee benefit plan [Abstract] Document Type Document Quarterly Report Document Period End Date Document Fiscal Year Focus Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Amendment Flag Document Fiscal Period Focus Current Fiscal Year End Date ASSETS Current assets - - Cash and cash equivalents Producing gas and oil royalty rights, net of amortization (Notes 1 and 2) Producing gas and oil royalty rights, net of amortization LIABILITIES AND TRUST CORPUS Current liabilities - - Distributions to be paid to unit owners Trust corpus (Notes 1 and 2) Gas, sulfur, and oil royalties received Interest income Net income per unit (in Dollars per share) Distributions per unit paid or to be paid to unit owners (in Dollars per share) Undistributed earnings before distributions Less: Current year distributions paid or to be paid to unit owners Sources of Cash and Cash Equivalents: Gas, sulfur, and oil royalties received Interest income Uses of Cash and Cash Equivalents: Payment of Trust expenses Distributions paid Operating expenses Related party expenses (Note 3) Related party expenses Summary of significant accounting policies Formation of the Trust Related party transactions Employee benefit plan Statistical Measurement [Axis] Cash held at bank Number of units of beneficial interest outstanding (in Units) Percent of matching contribution to employees Basis of accounting Producing gas and oil royalty right Federal and state income taxes Cash and cash equivalents Net income per unit New accounting pronouncements Maximum [Member] Statistical Measurement [Domain] Defined Contribution Plan [Table] Employee benefit plan [Abstract] Amount of distributions declared or payable to owners of trust units during the reporting period. This item reduces undistributed earnings (retained earnings). Includes cash distributions already paid and amounts declared but unpaid at period end. The cash distributions per unit declared and paid by the entity during the period for all units of stock. Narrative disclosure describing the formation and organization of the trust The amount of cash outflow for trust-related administrative and operating expenses during the reporting period. Total undistributed earnings before paying distributions to unit holders. Entity Address, Postal Zip Code Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] City Area Code Oil and Gas, Royalty Trust, Distributable Income [Policy Text Block] Entity Current Reporting Status Entity Emerging Growth Company Costs and Expenses Entity Small Business Defined Benefit Plan [Text Block] Entity Address, City or Town Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Formation Of The Trust Text Block Proceeds from Royalties Received Payments of Capital Distribution Related Party Transactions Disclosure [Text Block] Assets [Abstract] Dividends Payable, Current Weighted Average Number of Shares Outstanding, Basic Document Transition Report Cash and Cash Equivalent Proceeds from Operating Activities [Abstract] Proceeds from Operating Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Document Quarterly Report Document Fiscal Period Focus Capital Units, Value Cash Distributions Paid Or To Be Paid To Unit Owners Operating Expenses Basis of Accounting, Policy [Policy Text Block] Entity Address, Address Line One Local Phone Number Undistributed Earnings Before Distributions Income Tax, Policy [Policy Text Block] Defined Contribution Plan Disclosure [Line Items] Entity Incorporation, State or Country Code Proceeds from Interest Received Maximum [Member] Document Type Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Tax Identification Number Entity File Number Amendment Flag Document Period End Date New Accounting Pronouncements, Policy [Policy Text Block] Investment Income, Interest Current Year Distributions Paidortobe Paidto Unit Owners Entity Interactive Data Current Title of 12(b) Security Liabilities and Equity [Abstract] Revenues Entity Central Index Key Entity Filer Category Revenue from Contract with Customer, Excluding Assessed Tax Earnings Per Share, Basic Cash and Cash Equivalents, Policy [Policy Text Block] Liabilities and Equity Security Exchange Name Assets Costs and Expenses, Related Party Payment Of Trust Expenses Mineral Rights Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Significant Accounting Policies [Text Block] Current Fiscal Year End Date Retained Earnings (Accumulated Deficit) Entity Address, State or Province Trading Symbol Entity Shell Company Entity Common Stock, Shares Outstanding Current Year Distributions Paid Or To Be Paid To Unit Owners Abstract Entity Registrant Name Unlabeled Abstract Earnings Per Share, Policy [Policy Text Block] Document Fiscal Year Focus