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Consolidated Balance Sheets ¥ in Thousands, $ in Thousands | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥)
--- | --- | --- | ---
Current assets: |  |  |
Cash and cash equivalents | $ 299,653 | ¥ 1,949,631 | ¥ 1,297,418
Restricted cash | 37,271 | 242,494 | 1,963,561
Accounts and notes receivable (net of allowance for doubtful debt of RMB80,910 and RMB73,656 (US$11,321) as of December 31, 2016 and 2017, respectively) | 70,057 | 455,811 | 655,459
Short-term investments | 84,363 | 548,890 | 277,946
Inventories | 109 | 710 | 4,431
Prepaid expenses and other current assets | 143,514 | 933,750 | 777,131
Amounts due from related parties | 17,561 | 114,256 | 182,615
Total current assets | 652,528 | 4,245,542 | 5,158,561
Non-current assets: |  |  |
Property and equipment, net | 510,186 | 3,319,424 | 3,781,613
Intangible assets, net | 61,650 | 401,115 | 977,341
Land use rights, net | 25,156 | 163,671 | 167,646
Goodwill | 152,088 | 989,530 | 1,755,970
Restricted cash | 514 | 3,344 | 33,544
Deferred tax assets | 26,562 | 172,818 | 100,676
Long-term investments | 78,528 | 510,926 | 298,871
Amounts due from related parties | 3,106 | 20,210 |
Other non-current assets | 12,539 | 81,581 | 147,302
Total non-current assets | 870,329 | 5,662,619 | 7,262,963
Total assets | 1,522,857 | 9,908,161 | 12,421,524
Current liabilities: |  |  |
Short-term bank borrowings (including short-term bank borrowings of the Consolidated VIEs without recourse to the primary beneficiaries of RMB183,676 and RMB50,000 (US$7,685) as of December 31, 2016 and 2017, respectively) | 7,685 | 50,000 | 1,683,676
Accounts and notes payable (including accounts and notes payable of the Consolidated VIEs without recourse to the primary beneficiaries of RMB441,847 and RMB157,970 (US$24,280) as of December 31, 2016 and 2017, respectively) | 38,869 | 252,892 | 529,569
Accrued expenses and other payables (including accrued expenses and other payables of the Consolidated VIEs without recourse to the primary beneficiaries of RMB525,613 and RMB368,190 (US$56,590) as of December 31, 2016 and 2017, respectively) | 100,999 | 657,133 | 787,916
Advances from customers (including advances from customers of the Consolidated VIEs without recourse to the primary beneficiaries of RMB201,397 and RMB403,244 (US$61,977) as of December 31, 2016 and 2017, respectively) | 61,977 | 403,244 | 201,397
Deferred revenue (including deferred revenue of the Consolidated VIEs without recourse to the primary beneficiaries of RMB311,191 and RMB49,699 (US$7,639) as of December 31, 2016 and 2017, respectively) | 8,569 | 55,753 | 320,023
Income taxes payable (including income taxes payable of the Consolidated VIEs without recourse to the primary beneficiaries of RMB25,466 and RMB7,400 (US$1,137) as of December 31, 2016 and 2017, respectively) | 2,046 | 13,309 | 21,899
Amounts due to related parties (including amounts due to related parties-current of the Consolidated VIEs without recourse to the primary beneficiaries of RMB53,295 and RMB16,053 (US$2,467) as of December 31, 2016 and 2017, respectively) | 8,557 | 55,675 | 121,928
Current portion of long-term bank borrowings (including current portion of long-term bank borrowings of the Consolidated VIEs without recourse to the primary beneficiaries of RMB12,564 and RMB70,289 (US$10,803) as of December 31, 2016 and 2017, respectively) | 10,803 | 70,289 | 39,303
Current portion of capital lease obligations (including current portion of capital lease obligations of the Consolidated VIEs without recourse to the primary beneficiaries of RMB203,394 and RMB201,315 (US$30,942) as of December 31, 2016 and 2017, respectively) | 30,942 | 201,315 | 243,723
Deferred government grants (including deferred government grants of the Consolidated VIEs without recourse to the primary beneficiaries of RMB5,107 and RMB4,574 (US$703) as of December 31, 2016 and 2017, respectively) | 703 | 4,574 | 5,107
Bonds payable (including bonds payable of the Consolidated VIEs without recourse to the primary beneficiaries of nil and nil as of December 31, 2016 and 2017, respectively) | 1,712 | 11,139 | 419,316
Total current liabilities | 272,862 | 1,775,323 | 4,373,857
Non-current liabilities: |  |  |
Long-term bank borrowings (including long-term bank borrowings of the Consolidated VIEs without recourse to the primary beneficiaries of RMB219,055 and RMB187,638 (US$28,839) as of December 31, 2016 and 2017, respectively) | 28,839 | 187,638 | 268,221
Deferred revenue (including deferred revenue of the Consolidated VIEs without recourse to the primary beneficiaries of RMB62,531 and nil as of December 31, 2016 and 2017, respectively) |  |  | 62,531
Bonds payable (including bonds payable of the Consolidated VIEs without recourse to the primary beneficiaries of nil and nil as of December 31, 2016 and 2017, respectively) | 294,802 | 1,918,069 |
Non-current portion of capital lease obligations (including non-current portion of capital lease obligations of the Consolidated VIEs without recourse to the primary beneficiaries of RMB581,568 and RMB687,176 (US$105,617) as of December 31, 2016 and 2017, respectively) | 92,354 | 600,882 | 536,623
Unrecognized tax benefits (including unrecognized tax benefits of the Consolidated VIEs without recourse to the primary beneficiaries of RMB24,153 and RMB13,225 (US$2,033) as of December 31, 2016 and 2017, respectively) | 2,538 | 16,511 | 28,689
Deferred tax liabilities (including deferred tax liabilities of the Consolidated VIEs without recourse to the primary beneficiaries of RMB182,877 and RMB109,339 (US$16,805) as of December 31, 2016 and 2017, respectively) | 29,337 | 190,873 | 274,700
Deferred government grants (including deferred government grants of the Consolidated VIEs without recourse to the primary beneficiaries of RMB25,886 and RMB17,861 (US$2,745) as of December 31, 2016 and 2017, respectively) | 2,745 | 17,861 | 25,886
Total non-current liabilities | 450,615 | 2,931,834 | 1,196,650
Total liabilities | 723,477 | 4,707,157 | 5,570,507
Commitments and contingencies |  |  |
Redeemable noncontrolling interest |  |  | 700,000
Shareholders' equity: |  |  |
Additional paid-incapital | 1,380,263 | 8,980,407 | 9,015,846
Accumulated other comprehensive income (loss) | (411) | (2,673) | 118,290
Statutory reserves | 5,954 | 38,736 | 64,622
Accumulated deficit | (557,813) | (3,629,300) | (2,869,031)
Treasury stock | (51,901) | (337,683) | (204,557)
Total 21Vianet Group, Inc. shareholders' equity | 776,099 | 5,049,533 | 6,125,215
Noncontrolling interest | 23,281 | 151,471 | 25,802
Total shareholders' equity | 799,380 | 5,201,004 | 6,151,017
Total liabilities, redeemable noncontrolling interests and shareholders' equity | 1,522,857 | 9,908,161 | 12,421,524
Class A Ordinary Shares |  |  |
Shareholders' equity: |  |  |
Ordinary shares | 5 | 34 | 33
Class B Ordinary Shares |  |  |
Shareholders' equity: |  |  |
Ordinary shares | $ 2 | ¥ 12 | ¥ 12

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- Definition A segregation of retained earnings which is unavailable for dividend distribution. Includes also retained earnings appropriated for loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(23)(a)(4)(i)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-03(30)(a)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21346-112643 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21332-112643 + Details
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