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BUSINESS SEGMENT INFORMATION - Summary of information with respect to RPC's business segments (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Revenues:        
Revenues $ 491,121 $ 472,418 $ 1,374,508 $ 1,475,081
Operating profit:        
Loss on disposition of assets, net (1,268) (1,551) (5,665) (4,859)
Total operating profit 85,839 102,368 210,911 353,083
Interest expense (283) (441) (1,565) (1,687)
Interest income 8 16 73 25
Other income, net 1,279 1,104 1,643 1,144
Income before income taxes 86,843 103,047 211,062 352,565
Identifiable assets at September 30 1,352,329 1,358,146 1,352,329 1,358,146
Capital expenditures     159,854 273,801
Depreciation and amortization 53,211 54,082 158,799 159,602
Operating Segments
        
Revenues:        
Revenues 491,121 472,418 1,374,508 1,475,081
Operating Segments | Technical Services
        
Revenues:        
Revenues 458,168 436,056 1,276,209 1,359,220
Operating profit:        
Total operating profit 86,183 98,708 210,807 334,610
Identifiable assets at September 30 1,080,177 1,119,339 1,080,177 1,119,339
Capital expenditures     129,599 230,110
Depreciation and amortization     134,599 136,387
Operating Segments | Support Services
        
Revenues:        
Revenues 32,953 36,362 98,299 115,861
Operating profit:        
Total operating profit 6,022 10,004 19,361 36,532
Identifiable assets at September 30 193,069 187,418 193,069 187,418
Capital expenditures     29,104 40,668
Depreciation and amortization     23,687 22,918
Corporate
        
Operating profit:        
Total operating profit (5,098) (4,793) (13,592) (13,200)
Identifiable assets at September 30 79,083 51,389 79,083 51,389
Capital expenditures     1,151 3,023
Depreciation and amortization     $ 513 $ 297