Supplemental Disclosure of Statement of Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid	$ 14,351	$ 17,002
Income taxes paid, net	548	169
LCIF [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid	3,869	7,585
Income taxes paid, net	$ 45	$ (40)