Annual report pursuant to Section 13 and 15(d)

Reconciliation of Income and Number of Shares Used to Calculate Basic and Diluted Earnings per Share (EPS) - Summary of Reconciliation of Income and Number of Shares Used to Calculate Basic and Diluted Earnings per Share (EPS) (Detail)

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Reconciliation of Income and Number of Shares Used to Calculate Basic and Diluted Earnings per Share (EPS) - Summary of Reconciliation of Income and Number of Shares Used to Calculate Basic and Diluted Earnings per Share (EPS) (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share [Abstract]                      
EPS, income $ 7,753us-gaap_NetIncomeLoss $ 12,566us-gaap_NetIncomeLoss $ 15,681us-gaap_NetIncomeLoss $ (12,549)us-gaap_NetIncomeLoss $ 10,172us-gaap_NetIncomeLoss $ 7,970us-gaap_NetIncomeLoss $ 8,281us-gaap_NetIncomeLoss $ 592us-gaap_NetIncomeLoss $ 23,451us-gaap_NetIncomeLoss $ 27,015us-gaap_NetIncomeLoss $ 37,313us-gaap_NetIncomeLoss
Basic EPS, shares                 121,186,464us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 119,284,468us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 117,721,135us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic earnings per share: $ 0.06us-gaap_EarningsPerShareBasic $ 0.10us-gaap_EarningsPerShareBasic $ 0.13us-gaap_EarningsPerShareBasic $ (0.10)us-gaap_EarningsPerShareBasic $ 0.08us-gaap_EarningsPerShareBasic $ 0.07us-gaap_EarningsPerShareBasic $ 0.07us-gaap_EarningsPerShareBasic $ 0.00us-gaap_EarningsPerShareBasic $ 0.19us-gaap_EarningsPerShareBasic $ 0.23us-gaap_EarningsPerShareBasic $ 0.32us-gaap_EarningsPerShareBasic
Stock options and restricted stock, shares                 1,890,184pkd_StockOptionsAndRestrictedStock 1,940,082pkd_StockOptionsAndRestrictedStock 1,372,455pkd_StockOptionsAndRestrictedStock
Stock options and restricted stock, per share amount          $ (0.01)us-gaap_SaleOfStockPricePerShare          $ (0.01)us-gaap_SaleOfStockPricePerShare $ (0.01)us-gaap_SaleOfStockPricePerShare
Diluted EPS, shares                 123,076,648us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 121,224,550us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 119,093,590us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted earnings per share: $ 0.06us-gaap_EarningsPerShareDiluted $ 0.10us-gaap_EarningsPerShareDiluted $ 0.13us-gaap_EarningsPerShareDiluted $ (0.10)us-gaap_EarningsPerShareDiluted $ 0.08us-gaap_EarningsPerShareDiluted $ 0.07us-gaap_EarningsPerShareDiluted $ 0.07us-gaap_EarningsPerShareDiluted $ 0.00us-gaap_EarningsPerShareDiluted $ 0.19us-gaap_EarningsPerShareDiluted $ 0.22us-gaap_EarningsPerShareDiluted $ 0.31us-gaap_EarningsPerShareDiluted