LEASES - Maturities of operating lease liabilities (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Operating leases:
2026	¥ 132,927
2027	108,536
2028	80,092
Thereafter	14,314
Total undiscounted lease payments	335,869
Less: imputed interest	(27,180)
Total operating lease liabilities	308,689	¥ 476,403
Financing leases:
2026	5
2027	5
2028	5
Thereafter	7,449,810
Total undiscounted lease payments	7,449,825
Less: imputed interest	(4,089,552)
Total financing lease liabilities	¥ 3,360,273

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.