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Schedule 2-Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract] |
Schedule 2-Valuation and Qualifying Accounts | Schedule 2—Valuation and Qualifying Accounts For the years ended December 31, 2013, 2012 and 2011:
|  |  |  |  | Additions |  |  |  |  |  |  |
(U.S. Dollars in thousands) Provisions from assets to which they apply: |  | Balance at beginning of year |  |  | Charged to cost and expenses |  |  | Charged (credited) to other accounts |  |  | Deductions/ Other |  |  | Balance at end of year |
2013 (Restated) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 6,673 |  |  | $ | 4,590 |  |  |  | — |  |  | $ | (2,152 | ) |  | $ | 9,111 |
Deferred tax valuation allowance |  |  | 26,361 |  |  |  | 5,411 |  |  |  | — |  |  |  | — |  |  |  | 31,772 |
2012 (Restated) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 6,184 |  |  | $ | 2,027 |  |  | $ | (13 | ) |  | $ | (1,525 | ) |  | $ | 6,673 |
Deferred tax valuation allowance |  |  | 19,124 |  |  |  | 7,237 |  |  |  | — |  |  |  | — |  |  |  | 26,361 |
2011 (Restated) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 6,784 | (1) |  | $ | 4,523 |  |  | $ | — |  |  | $ | (5,123 | ) |  | $ | 6,184 |
Deferred tax valuation allowance |  |  | 21,023 |  |  |  | (1,899 | ) |  |  | — |  |  |  | — |  |  |  | 19,124 |
(1) | Balance at beginning of year includes a $242 thousand increase in allowance for doubtful accounts for an error correction recorded in the Further Restatement.

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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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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