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Tender Offer and Warrants and Stock Repurchases (Tables)
12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Adjusted Exercise Price and Activity of Warrants
The adjusted exercise price for each class of Warrants and the activity for the year ended December 31, 2016 were as follows (Warrants in thousands):
 
Class A
 
Class B
 
Class C
 
 
Original Exercise Price
$
12.00

 
$
13.50

 
$
15.00

 
 
Adjusted Exercise Price
$
11.70

 
$
13.16

 
$
14.63

 
 
Initial term (years)
4

 
5

 
6

 
 
Expiration
7/1/2017

 
7/1/2018

 
7/1/2019

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
Warrants - Outstanding at December 31, 2015
7,097

 
7,254

 
7,254

 
21,605

Exercised
(55
)
 
(18
)
 

 
(73
)
Repurchased
(5,016
)
 
(5,167
)
 
(5,167
)
 
(15,350
)
Warrants - Outstanding at December 31, 2016
2,026

 
2,069

 
2,087

 
6,182