Landfill Accounting (Tables)

6 Months Ended

Jun. 30, 2014

Landfill Accounting [Abstract]

Reconciliation of Final Capping, Closure and Post-Closure Liability Balance

The following is a reconciliation of the Company’s final capping, closure and post-closure liability balance from December 31, 2013 to June 30, 2014: 

Final capping, closure and post-closure liability at December 31, 2013	$	50,128
Adjustments to final capping, closure and post-closure liabilities		2,002
Liabilities incurred		1,877
Accretion expense associated with landfill obligations		1,630
Closure payments		(12)
Final capping, closure and post-closure liability at June 30, 2014	$	55,625