Deferred Charges and Other Non-Current Assets (Tables)
 9 Months Ended
Sep. 30, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Deferred charges and other non-current assets at December 31, 2013 and September 30, 2014 were as follows (in thousands):
 
December 31,
2013
 
September 30,
2014
Prepaid agreements not-to-compete, net of accumulated amortization of $4,807 and $5,035, respectively
$
1,299

 
$
1,174

Deferred loan costs, net of accumulated amortization of $1,252 and $2,701, respectively
2,602

 
1,978

Convertible junior subordinated debenture origination costs, net of accumulated amortization of $1,095
2,949

 
—

Convertible subordinated notes issuance costs, net of accumulated amortization of $256
—

 
3,371

Tradenames
5,430

 
7,660

Other
—

 
340

Deferred charges and other non-current assets
$
12,280

 
$
14,523