Organization and Significant Accounting Policies - Segment reporting (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net income	$ 60,256	$ 1,838	$ (2,052)	$ 1,408	$ 17,754	$ 4,315	$ 7,898	$ 1,714	$ 61,450	$ 31,681
(Gain) on disposition of assets, net									(54,148)	(36,133)
Impairment of assets									790	5,840
Real estate related acquisition and due diligence costs									$ 28	$ 17
AFFO per diluted weighted average share data:
Income per share attributable to common stockholders - basic	$ 1.22	$ 0.02	$ (0.06)	$ 0.01	$ 0.35	$ 0.07	$ 0.14	$ 0.02	$ 1.19	$ 0.55
(Income) from forfeited deposits									$ (1,205)
Single reportable segment
Segment Reporting Information [Line Items]
Net income									61,450	$ 31,681
(Gain) on disposition of assets, net									(54,148)	(36,133)
Depreciation, depletion and amortization									5,588	7,499
Impairment of assets									790	5,840
FFO									13,680	8,887
Stock-based compensation and incentive									1,963	2,008
Deferred impact of interest rate swap terminations										(198)
Real estate related acquisition and due diligence costs									28	17
Distributions on Preferred units and stock									(2,970)	(2,970)
Severance expense									1,373
AFFO									$ 14,074	$ 8,140
AFFO per diluted weighted average share data:
AFFO weighted average common shares									49,127	51,810
Income per share attributable to common stockholders - basic									$ 1.19	$ 0.55
Income available to redeemable non-controlling interest and non-controlling interest in operating partnership									0.07	0.08
Depreciation, depletion and amortization									0.11	0.14
Impairment of assets									0.02	0.11
Stock-based compensation and incentive									0.04	0.04
(Gain) on disposition of assets, net									(1.1)	(0.7)
Distributions on Preferred units and stock									(0.07)	(0.06)
Severance expense									0.03	0
AFFO per diluted weighted average share									$ 0.29	$ 0.16