XML 47 R65.htm IDEA: XBRL DOCUMENT v3.3.0.814
Related Party Transactions (Details) - Affiliated Entity - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 31, 2015
Sep. 30, 2015
Sep. 30, 2015
Lease Arrangement      
Related Party Transaction [Line Items]      
Operating leases, annual lease amount     $ 750
Operating leases, rent expense   $ 125 $ 125
Acquisition of Houston Industrial Tool Services, Inc. | Houston Industrial Tool Services, Inc.      
Related Party Transaction [Line Items]      
Payments to acquire businesses $ 400