XML 48 R28.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2014
Valuation And Qualifying Accounts [Abstract] |
Schedule Of Valuation And Qualifying Accounts Disclosure [Text Block] |
Schedule II - Valuation Accounts
|  |  |  |  |  | Additions |  |  |  |
|  |  |  | Balance at |  |  |  |  |  |  |  | Balance at
|  |  |  | Beginning |  | Charges to |  |  |  |  |  | End of
(in thousands) |  | of Period |  | Operations |  | Other |  | Deductions |  | Period
Year ended December 31, 2014: |  |  |  |  |  |  |  |  |  |
| Allowance for doubtful accounts(1) | $ | 338 |  | 2,639 |  | — |  | 34 |  | 2,943
Year ended December 31, 2013: |  |  |  |  |  |  |  |  |  |
| Allowance for doubtful accounts(1) | $ | 1,442 |  | 67 |  | — |  | 1,171 |  | 338
Year ended December 31, 2012: |  |  |  |  |  |  |  |  |  |
| Allowance for doubtful accounts(1) | $ | 1,094 |  | 407 |  | 13 |  | 72 |  | 1,442
(1) | Deductions in the allowance for doubtful accounts represent write-offs, net of recoveries, of amounts determined to be
| uncollectible.

X
- 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
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration