Accrual for Loss Contracts Related to Service (Tables)

6 Months Ended

Jun. 30, 2016

Contractors [Abstract]

Summary of accrual for loss contracts

The following table summarizes activity related to the accrual for loss contracts related to service during the six months ended June 30, 2016 (in thousands):

Beginning balance - January 1, 2016	$	10,050
Change in estimate		(1,071)
Reductions for losses realized		(3,559)
Ending balance - June 30, 2016	$	5,420