Accrual for Loss Contracts Related to Service (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2016 (in thousands):

Beginning balance - January 1, 2016	$	10,050
Change in estimate		(1,071)
Reductions for losses realized		(5,745)
Ending balance - September 30, 2016	$	3,234