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Schedule II: Valuation and Qualifying accounts | 12 Months Ended
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Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Schedule II: Valuation and Qualifying Accounts [Text Block] |
ALEXANDER’S, INC. AND SUBSIDIARIES
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
(Amounts in thousands)
| Column A |  | Column B |  | Column C |  | Column D |  | Column E |  |
|  |  |  |  |  |  | Additions: |  | Deductions: |  |  |  |  |
|  |  |  | Balance at |  | Charged |  | Uncollectible |  | Balance |  |
|  |  |  | Beginning |  | Against |  | Accounts |  | at End |  |
| Description |  | of Year |  | Operations |  | Written Off |  | of Year |  |
| Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Year Ended December 31, 2012 |  | $ | 1,039 |  | $ | 1,304 |  | $ | (124) |  | $ | 2,219 |  |
|  | Year Ended December 31, 2011 |  | $ | 1,047 |  | $ | 427 |  | $ | (435) |  | $ | 1,039 |  |
|  | Year Ended December 31, 2010 |  | $ | 1,736 |  | $ | (22) |  | $ | (667) |  | $ | 1,047 |  |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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