ADDITIONAL INFORMATION - FINANCIAL STATEMENT SCHEDULE I - CONDENSED STATEMENTS OF COMPREHENSIVE INCOME OR LOSS (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
CONDENSED STATEMENTS OF COMPREHENSIVE INCOME OR LOSS
Net income attributable to shareholders of the Company	¥ 5,975,643	$ 854,507	¥ 6,248,116	¥ 4,268,577
Other comprehensive income, net of tax of nil:
Foreign currency translation adjustment	(207,571)	(29,682)	46,534	17,118
Other comprehensive income (loss)	(207,571)	(29,682)	46,534	17,118
Total comprehensive income	5,768,072	824,825	6,294,650	4,285,695
Comprehensive income attributable to ordinary shareholders	5,782,120	826,834	6,310,848	4,302,454
Parent Company \| Reportable Legal Entities
CONDENSED STATEMENTS OF COMPREHENSIVE INCOME OR LOSS
Net income attributable to shareholders of the Company	5,989,691	856,516	6,264,314	4,285,336
Other comprehensive income, net of tax of nil:
Foreign currency translation adjustment	(207,571)	(29,682)	46,534	17,118
Other comprehensive income (loss)	(207,571)	(29,682)	46,534	17,118
Total comprehensive income	5,782,120	826,834	6,310,848	4,302,454
Comprehensive income attributable to ordinary shareholders	¥ 5,782,120	$ 826,834	¥ 6,310,848	¥ 4,302,454

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details