Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)
Deferred tax assets:
Tax losses carryforward	¥ 125,063,028	$ 17,133,565	¥ 156,003,878
Allowance for accounts receivables and other current assets	10,863,499	1,488,293	10,241,904
Allowance for non-current other assets	48,076,465	6,586,449	48,076,465
Allowance for loans receivable	85,588,610	11,725,591	79,222,712
Impairment of long-lived assets	13,073,472	1,791,059	17,466,327
Lease liabilities	362,136,225	49,612,459	417,112,367
Deferred revenue	75,722,666	10,373,963	83,228,802
Accrued expenses	19,542,973	2,677,376	19,373,529
Unrealized losses from equity securities	1,638,899	224,528	1,342,225
Investment in subsidiaries	2,775,000	380,173
Valuation allowance	(165,327,438)	(22,649,766)	(192,143,009)
Total deferred tax assets	579,153,399	79,343,690	639,925,200
Deferred tax liabilities:
Property, plant and equipment	(2,219,319)	(304,045)	(2,479,000)
Right-of-use assets	(327,572,728)	(44,877,280)	(381,932,879)
Intangible assets arising from acquisition	(47,872,112)	(6,558,452)	(75,820,498)
Unrealized gains from equity securities	(1,805,008)	(247,285)	(1,939,227)
Investment in subsidiaries	(33,595,045)	(4,602,503)	(30,504,731)
Total deferred tax liabilities	¥ (413,064,212)	$ (56,589,565)	¥ (492,676,335)

Allowance for loans receivable.

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The amount of deferred tax assets allowance for non current other assets.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liability.

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No definition available.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible outside basis difference.

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No definition available.

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Deferred tax assets unrealized losses from equity securities.

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No definition available.

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Deferred tax liabilities PRC dividends withholding tax.

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The amount of deferred tax liabilities right-of-use assets.

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No definition available.

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Deferred tax liabilities unrealized gains from equity securities.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated impairment losses.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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