XML 102 R26.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2014
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | During the years ended December 31, 2014, 2013 and 2012, our allowance for doubtful accounts was as follows (amounts in thousands):
|  | 2014 |  | 2013 |  | 2012
Balance, beginning of period |  | $ | 7,927 |  |  | $ | 6,987 |  |  | $ | 7,700 |
Provision for losses |  | 4,209 |  |  | 5,152 |  |  | 4,860 |
Write-offs |  | (5,026 | ) |  | (4,212 | ) |  | (5,573 | )
Balance, end of period |  | $ | 7,110 |  |  | $ | 7,927 |  |  | $ | 6,987 |

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