UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities:
Net income (loss) including noncontrolling interests in subsidiaries	$ 24,470	$ (34,698)
Adjustments to reconcile net income (loss) including noncontrolling interests in subsidiaries to net cash provided by operating activities:
Depreciation, depletion and amortization	43,348	33,574
Accretion of asset retirement obligation	1,734	986
Loss on disposal of assets	169	0
Compensation expense for share-based awards	5,738	4,795
(Gain) loss on foreign currency exchange	(414)	370
Change in fair value of equity securities	(1,092)	31,412
Loss (gain) on sale of equity securities	25	(28,861)
Unrealized (gain) loss on derivatives	(3,718)	610
Deferred income taxes	4,839	(6,051)
Changes in operating assets and liabilities:
Accounts receivable	664	69,225
Inventories	212	1,054
Prepaid expenses and other assets	(5,286)	(9,329)
Accounts payable and accrued expenses	3,143	(8,124)
Royalties and contingent legal fees payable	1,312	(5,338)
Deferred revenue	98	497
Net cash provided by operating activities	75,242	50,122
Cash flows from investing activities:
Acquisition, net of cash acquired and working capital adjustments (Note 3)	1,230	(87,678)
Patent acquisition	0	(14,000)
Proceeds from sale of floor mat assets	2,988	0
Purchases of equity securities	(24,705)	(20,472)
Sales of equity securities	31,357	57,854
Purchases of loans receivable	(15,183)	0
Purchases of property and equipment	(2,520)	0
Net additions to oil and gas properties	(14,174)	(148,667)
Net cash used in investing activities	(21,007)	(212,963)
Cash flows from financing activities:
Repurchase of common stock	0	(20,288)
Contributions from noncontrolling interest	0	15,250
Borrowings on the Benchmark revolving credit facility	5,000	86,010
Paydown of Benchmark revolving credit facility	(12,000)	(30,035)
Borrowings on the Deflecto Facility	0	47,488
Paydown of Deflecto Facility	15,088	0
Taxes paid related to net share settlement of share-based awards	(675)	(1,092)
Proceeds from exercise of stock options	30	223
Net cash (used in) provided by financing activities	(22,733)	97,556
Effect of exchange rates on cash and cash equivalents	1,337	(926)
Increase (decrease) in cash and cash equivalents	32,839	(66,211)
Cash and cash equivalents, beginning of period	273,880	340,091
Cash and cash equivalents, end of period	306,719	273,880
Supplemental schedule of cash flow information:
Interest paid	8,303	5,058
Income taxes paid, net	2,297	1,048
Noncash investing and financing activities:
Operating lease right-of-use assets obtained in exchange for lease liabilities	1,674	0
Derecognition of operating lease right-of-use assets upon lease termination	(608)	0
Derecognition of operating lease liabilities upon lease termination	(632)	0
Patent acquisition of prepaid option	$ 15,000	$ 0