|12 Months Ended|
Dec. 31, 2016
|Goodwill and Intangible Assets Disclosure [Abstract]|
At December 31, 2016 and 2015, intangible assets subject to amortization consisted of the following:
Aggregate amortization expense amounted to $20,703, $20,650 and $14,056 for the years ended December 31, 2016, 2015 and 2014, respectively. The weighted-average amortization period for total amortizable intangibles at December 31, 2016 is 9.83 years. Estimated amortization expense for each of the five succeeding years and thereafter is as follows:
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://www.xbrl.org/2003/role/presentationRef