XML 44 R33.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
Estimated Fair Value Of Long-Term Debt
 
 
September 30, 2018
 
December 31, 2017
(in thousands)
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Long-term debt (excluding capital lease obligations)
 
$
813,149

 
$
803,977

 
$
597,091

 
$
623,557