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LEASE - Capital lease and other financing obligations (Details) - CNY (¥) ¥ in Thousands | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | --- | ---
Capital lease obligations |  |  |
Within 1 year | ¥ 124,215 | ¥ 71,300 |
After 1 year but within 2 years | 131,499 | 85,783 |
After 2 years but within 3 years | 139,230 | 92,677 |
After 3 years but within 4 years | 223,572 | 193,202 |
After 4 years but within 5 years | 116,146 | 71,501 |
After 5 years | 1,519,487 | 716,089 |
Total minimum lease payments | 2,254,149 | 1,230,552 |
Less: total future interest | (964,102) | (552,060) |
Present value of capital lease obligations | 1,290,047 | 678,492 |
Other financing obligations |  |  |
Within 1 year | 38,977 | 22,044 |
After 1 year but within 2 years | 38,999 | 38,443 |
After 2 years but within 3 years | 41,944 | 39,548 |
After 3 years but within 4 years | 42,287 | 41,586 |
After 4 years but within 5 years | 42,287 | 42,287 |
After 5 years | 684,271 | 725,178 |
Total other financing obligations | 888,765 | 909,086 |
Less: total future interest | (426,956) | (450,670) |
Less: estimated building costs |  | (25,356) |
Present value of other financing obligations | 461,809 | 433,060 |
Total |  |  |
Within 1 year | 163,192 | 93,344 |
After 1 year but within 2 years | 170,498 | 124,226 |
After 2 years but within 3 years | 181,174 | 132,225 |
After 3 years but within 4 years | 265,859 | 234,788 |
After 4 years but within 5 years | 158,433 | 113,788 |
After 5 years | 2,203,758 | 1,441,267 |
Total | 3,142,914 | 2,139,638 |
Less: total future interest | (1,391,058) | (1,002,730) |
Less: estimated building costs |  | (25,356) |
Present value of total obligations | 1,751,856 | 1,111,552 |
Including: |  |  |
Current Portion | 38,594 | 88,593 |
Non-current portion | ¥ 1,713,262 | ¥ 1,022,959 |
Weighted average effective interest rate of capital and build-to-suit leases (as a percent) | 7.53% |  | 8.14%

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