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Long-Term Debt Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Senior Note Issuances The following table details the Company's Senior Notes issuances outstanding at December 31, 2018 and 2017:
December 31, 2018
 
2016 Senior Notes
 
2013 Senior Notes
 
Total
Principal amount
 
$
110,000

 
$
152,500

 
$
262,500

Less: unamortized issuance costs
 
3,610

 
4,196

 
7,806

Carrying value
 
$
106,390

 
$
148,304

 
$
254,694

 
 
 
 
 
 
 
December 31, 2017
 
2016 Senior Notes
 
2013 Senior Notes
 
Total
Principal amount
 
$
110,000

 
$
152,500

 
$
262,500

Less: unamortized issuance costs
 
3,654

 
4,364

 
8,018

Carrying value
 
$
106,346

 
$
148,136

 
$
254,482

 
 
 
 
 
 
 
Other details:
 
 
 
 
 
 
Original debt issuance costs
 
$
3,715

 
$
5,054

 
 
Maturity date
 
June 14, 2046

 
Dec 1, 2043

 
 
Earliest redeemable date (for cash)
 
June 14, 2021

 
June 1, 2019

 
 
Coupon rate
 
6.625
%
 
7.75
%
 
 
Effective interest rate
 
7.07
%
 
8.04
%