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CASH AND CASH EQUIVALENTS AND INVESTMENTS | 12 Months Ended
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Dec. 31, 2013
Cash And Cash Equivalents [Abstract] |
CASH AND CASH EQUIVALENTS AND INVESTMENTS | 6. CASH AND CASH EQUIVALENTS AND INVESTMENTS Cash and cash equivalents from our continuing operations consist of the following as of December 31, 2013 and 2012 (dollars in thousands):
|  | December 31, |
|  | 2013 |  |  | 2012 |
Cash |  | $ | 155,938 |  |  | $ | 112,763 |
Money market funds |  |  | 163,005 |  |  |  | 121 |
Cash and cash equivalents, unrestricted |  |  | 318,943 |  |  |  | 112,884 |
Restricted cash |  |  | 12,564 |  |  |  | 97,878 |
Total cash and cash equivalents |  | $ | 331,507 |  |  | $ | 210,762 |
Restricted cash balances as of December 31, 2013 and 2012 total $12.6 million and $97.9 million, respectively. Restricted cash balances were comprised of $12.6 million and $7.4 million of certificates of deposit to provide securitization of our letters of credit as of December 31, 2013 and 2012, respectively. Additionally, $88.0 million and $2.5 million of restricted cash to provide securitization of borrowings under our previous credit agreement and funds restricted for a legal matter, respectively, were included in restricted cash balances as of December 31, 2012. Investments from our continuing operations consist of the following as of December 31, 2013 and 2012 (dollars in thousands):
|  | December 31, 2013 |
|  |  |  |  | Gross Unrealized |  |  |  |
|  | Cost |  |  | Gain |  |  | (Loss) |  |  | Fair Value |
Short-term investments (available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury bills |  | $ | 31,591 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 31,592 |
Long-term investments (available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Municipal bond |  |  | 7,850 |  |  |  | — |  |  |  | (476 | ) |  |  | 7,374 |
Total investments (available for sale) |  | $ | 39,441 |  |  | $ | 1 |  |  | $ | (476 | ) |  | $ | 38,966 |
|  | December 31, 2012 |
|  |  |  |  | Gross Unrealized |  |  |  |
|  | Cost |  |  | Gain |  |  | (Loss) |  |  | Fair Value |
Short-term investments (available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury bills |  | $ | 63,879 |  |  | $ | 4 |  |  | $ | (7 | ) |  | $ | 63,876 |
Long-term investments (available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Municipal bond |  |  | 7,850 |  |  |  | — |  |  |  | (468 | ) |  |  | 7,382 |
Total investments (available for sale) |  | $ | 71,729 |  |  | $ | 4 |  |  | $ | (475 | ) |  | $ | 71,258 |
In the table above, unrealized holding losses as of December 31, 2013 relate to short-term investments that have been in a continuous unrealized loss position for less than one year. The table also includes an unrealized holding loss, greater than one year that relates to our long-term investment in a municipal bond, which is an auction rate security (“ARS”). When evaluating our investment for possible impairment, we review factors such as the length of time and extent to which fair value has been less than the cost basis, the financial condition of the investee, and our ability and intent to hold the investment for a period of time that may be sufficient for anticipated recovery in fair value. The unrealized loss attributable to our municipal bond at December 31, 2013 is attributable to the continued lack of activity in the ARS market, exposing this investment to liquidity risk. Our municipal bond is comprised of debt obligations issued by states, cities, counties, and other governmental entities, which earn federally tax-exempt interest. Our investment in ARS has a stated term to maturity of greater than one year, and as such, we classify our investment in ARS as non-current on our consolidated balance sheets within other assets. Auctions can “fail” when the number of sellers of the security exceeds the buyers for that particular auction period. In the event that an auction fails, the interest rate resets at a rate based on a formula determined by the individual security. The ARS for which auctions have failed continues to accrue interest and is auctioned on a set interval until the auction succeeds, the issuer calls the security, or it matures. As of December 31, 2013, we have determined this investment is at risk for impairment due to the nature of the liquidity of the market over the past year. Cumulative unrealized losses as of December 31, 2013 amount to $0.5 million and are reflected within accumulated other comprehensive loss as a component of stockholders’ equity. We believe this impairment is temporary, as we do not intend to sell the investment and it is unlikely we will be required to sell the investment before recovery of its amortized cost basis. A schedule of available-for-sale investments segregated by their original stated terms to maturity as of December 31, 2013 and 2012, are as follows (dollars in thousands):
|  | Less than one year |  |  | One to five years |  |  | Five to ten years |  |  | Greater than ten years |  |  | Total |
Original stated term to maturity of available-for-sale-investments as of December 31, 2013 |  | $ | 31,592 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,374 |  |  | $ | 38,966 |
Original stated term to maturity of available-for-sale-investments as of December 31, 2012 |  | $ | 63,876 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,382 |  |  | $ | 71,258 |
Realized gains or losses resulting from sales of investments during the years ended December 31, 2013, 2012 and 2011 were not significant. Fair Value Measurements FASB ASC Topic 820 – Fair Value Measurements establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. As of December 31, 2013, we held investments that are required to be measured at fair value on a recurring basis. These investments (available-for-sale) consist of U.S. Treasury bills that are publicly traded and for which market prices are readily available, and our investment in a municipal bond. The auction event for our municipal bond investment has failed for multiple years. The fair value of the municipal bond is estimated utilizing a discounted cash flow analysis as of December 31, 2013 which considers, among other items, the collateralization underlying the security investment, the credit worthiness of the counterparty, the timing of expected future cash flows, and the expectation of the next time the security is expected to have a successful auction. This security was also compared, when possible, to other observable market data with similar characteristics. Investments measured at fair value on a recurring basis subject to the disclosure requirements of FASB ASC Topic 820 at December 31, 2013 and 2012 were as follows (dollars in thousands):
|  | As of December 31, 2013 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
U.S. Treasury bills |  | $ | 31,592 |  |  | $ | — |  |  | $ | — |  |  | $ | 31,592 |
Municipal bond |  |  | — |  |  |  | — |  |  |  | 7,374 |  |  |  | 7,374 |
Totals |  | $ | 31,592 |  |  | $ | — |  |  | $ | 7,374 |  |  | $ | 38,966 |
|  | As of December 31, 2012 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
U.S. Treasury bills |  | $ | 63,876 |  |  | $ | — |  |  | $ | — |  |  | $ | 63,876 |
Municipal bond |  |  | — |  |  |  | — |  |  |  | 7,382 |  |  |  | 7,382 |
Totals |  | $ | 63,876 |  |  | $ | — |  |  | $ | 7,382 |  |  | $ | 71,258 |
The following table presents a rollforward of our assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as defined in FASB ASC Topic 820 for the year to date ended December 31, 2013 (dollars in thousands):
Balance at December 31, 2012 |  | $ | 7,382 |
Unrealized loss |  |  | (8 | )
Balance at December 31, 2013 |  | $ | 7,374 |

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- Definition The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4273-108586 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 6.H.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13728-122682 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section H -Subsection 3 + Details
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