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Deferred Charges and Other Non-Current Assets | 12 Months Ended
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Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Assets Disclosure | DEFERRED CHARGES AND OTHER NON-CURRENT ASSETS Deferred charges and other non-current assets at December 31, 2013 and 2014 were as follows (in thousands):
| December 31, 2013 |  | December 31, 2014
Prepaid agreements not to compete, net of accumulated amortization of $4,807 and $5,105, respectively | $ | 1,299 |  |  | $ | 1,159 |
Deferred loan costs, net of accumulated amortization of $1,252 and $2,809, respectively | 2,602 |  |  | 1,870 |
Convertible junior subordinated debentures origination costs, net of accumulated amortization of $1,095 | 2,949 |  |  | — |
Convertible subordinated notes issuance costs, net of accumulated amortization of $375 | — |  |  | 3,252 |
Tradenames | 5,430 |  |  | 7,660 |
Other | — |  |  | 323 |
Deferred charges and other non-current assets | $ | 12,280 |  |  | $ | 14,264 |
Prepaid agreements not-to-compete are amortized over the term of the respective agreements, ranging generally from one to ten years. Amortization expense was $98,849, $79,207 and $348,602 for the years ended December 31, 2012, 2013 and 2014, respectively. Deferred loan costs are being amortized over the term of the related debt using the effective interest method. In connection with redemption of our convertible junior subordinated debentures, we wrote-off the related unamortized origination costs of approximately $2.9 million in March 2014. See Note 15 to the Consolidated Financial Statements herein for further discussion related to the convertible junior subordinated debentures. Debt issuance costs related to our convertible subordinated notes issued in March 2014 are being amortized using the effective interest method over the seven year term of the notes. See Note 14 to the Consolidated Financial Statements herein for further discussion related to our convertible subordinated notes. Our tradenames have indefinite lives and therefore are not amortized. During the year ended December 31, 2014, we increased tradenames by approximately $2.2 million related to the SCI Acquisition.

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- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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