| Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021 | 
|---|---|---|
| Deferred tax assets | ||
| Intangible assets | $ 10,933,000 | $ 12,660,000 | 
| Deferred leases | 440,000 | 443,000 | 
| Net operating losses, foreign subsidiary | 68,000 | |
| Total deferred tax assets | 11,441,000 | 13,103,000 | 
| Deferred tax liabilities | ||
| Intangible assets | 317,000 | 142,000 | 
| Right of use assets | 352,000 | 357,000 | 
| Investment on underlying SLP partnership | 4,018,000 | 1,863,000 | 
| Other | 52,000 | 39,000 | 
| Total deferred tax liabilities | 4,739,000 | 2,401,000 | 
| Net deferred tax assets (liabilities) | 6,702,000 | 10,702,000 | 
| Less: Valuation allowance | (68,000) | 0 | 
| Net deferred tax assets (liabilities) | $ 6,634,000 | $ 10,702,000 | 
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- Definition Deferred income tax liabilities investment on underlying SLP partnership. No definition available. 
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- Definition Deferred tax assets, deferred leases. No definition available. 
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- Definition Deferred tax assets liabilities gross. No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill. No definition available. 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- References No definition available. 
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- References No definition available. 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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