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Intangible and Other Non-Current Assets Intangible and Other Non-Current Assets (Tables)
12 Months Ended
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure
and other non-current assets at December 31, 2016 and 2017 were as follows (in thousands):
 
December 31, 2016
 
December 31, 2017
Prepaid agreements not-to-compete, net of accumulated amortization of $5,501 and $6,051, respectively
$
3,244

 
$
3,730

Tradenames
11,663

 
14,372

Other
50

 
15

Intangible and other non-current assets
$
14,957

 
$
18,117