Intangibles and Goodwill (Tables)
 9 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Roll-forward of goodwill
The following is a roll-forward of goodwill from December 31, 2015 to September 30, 2016:
Balance as of December 31, 2015
$
308,490,588

  Command acquisition, purchase price adjustment
(1,176,417
)
Balance as of September 30, 2016
$
307,314,171
Summary of amortizable intangible assets
The following is a summary of amortizable intangible assets as of September 30, 2016 and December 31, 2015:
 
September 30, 2016
 
December 31, 2015
 
Weighted-Average Life
Customer relationships
$
145,138,979

 
$
145,138,979

 
14.8 years
Carrier relationships
18,300,000

 
18,300,000

 
17.0 years
Noncompete agreements
5,239,000

 
5,239,000

 
6.7 years
Trade names
5,640,000

 
5,640,000

 
4.0 years
 
174,317,979

 
174,317,979

 
14.4 years
Less accumulated amortization
(38,680,343
)
 
(26,785,810
)
 
 
Intangible assets, net
$
135,637,636

 
$
147,532,169

 
 
Estimated amortization expense for the next five years and thereafter
The estimated amortization expense for the next five years and thereafter is as follows:
Remainder of 2016
$
3,909,896

2017
14,243,799

2018
12,861,305

2019
11,470,909

2020
10,638,587

Thereafter
82,513,140

Total
$
135,637,636