Employee Benefit Plans And Other Postretirement Benefits (Schedule Of Fair Value Of Pension Plan and Postretirement Healthcare Plan Assets) (Details) (USD $) | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 |
In Thousands, unless otherwise specified |
Pension Plan Assets [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | $1,539,018 | ' |
Pension Plan Assets [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 1,920,601 | ' | ' |
Pension Plan Assets [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 1,373,955 | 1,101,602 | ' |
Pension Plan Assets [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 512,412 | 400,834 | ' |
Pension Plan Assets [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,234 | 36,582 | 42,127 |
Pension Plan Assets [Member] | Cash And Cash Equivalents [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 42,625 | ' |
Pension Plan Assets [Member] | Cash And Cash Equivalents [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 40,578 | ' | ' |
Pension Plan Assets [Member] | Cash And Cash Equivalents [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Cash And Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 40,578 | 42,625 | ' |
Pension Plan Assets [Member] | Cash And Cash Equivalents [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Total Equity Holdings [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 1,034,643 | ' |
Pension Plan Assets [Member] | Total Equity Holdings [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 1,325,188 | ' | ' |
Pension Plan Assets [Member] | Total Equity Holdings [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 1,287,952 | 998,060 | ' |
Pension Plan Assets [Member] | Total Equity Holdings [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 3,002 | 1 | ' |
Pension Plan Assets [Member] | Total Equity Holdings [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,234 | 36,582 | ' |
Pension Plan Assets [Member] | U.S. Companies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 540,579 | ' |
Pension Plan Assets [Member] | U.S. Companies [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 519,405 | ' | ' |
Pension Plan Assets [Member] | U.S. Companies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 516,444 | 540,578 | ' |
Pension Plan Assets [Member] | U.S. Companies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 2,961 | 1 | ' |
Pension Plan Assets [Member] | U.S. Companies [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Foreign Companies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 85,415 | ' |
Pension Plan Assets [Member] | Foreign Companies [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 125,361 | ' | ' |
Pension Plan Assets [Member] | Foreign Companies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 125,320 | 85,415 | ' |
Pension Plan Assets [Member] | Foreign Companies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 41 | 0 | ' |
Pension Plan Assets [Member] | Foreign Companies [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Harley-Davidson Common Stock [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 62,189 | ' |
Pension Plan Assets [Member] | Harley-Davidson Common Stock [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 88,184 | ' | ' |
Pension Plan Assets [Member] | Harley-Davidson Common Stock [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 88,184 | 62,189 | ' |
Pension Plan Assets [Member] | Harley-Davidson Common Stock [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Harley-Davidson Common Stock [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Pooled Equity Funds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 309,878 | ' |
Pension Plan Assets [Member] | Pooled Equity Funds [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 558,004 | ' | ' |
Pension Plan Assets [Member] | Pooled Equity Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 558,004 | 309,878 | ' |
Pension Plan Assets [Member] | Pooled Equity Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Pooled Equity Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Limited Partnership Interests [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 35,954 | ' |
Pension Plan Assets [Member] | Limited Partnership Interests [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,234 | ' | ' |
Pension Plan Assets [Member] | Limited Partnership Interests [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Limited Partnership Interests [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Limited Partnership Interests [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,234 | 35,954 | 40,016 |
Pension Plan Assets [Member] | Other [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 628 | ' |
Pension Plan Assets [Member] | Other [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | ' | ' |
Pension Plan Assets [Member] | Other [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Other [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Other [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 628 | 2,111 |
Pension Plan Assets [Member] | Total Fixed Income Holdings [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 461,750 | ' |
Pension Plan Assets [Member] | Total Fixed Income Holdings [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 554,835 | ' | ' |
Pension Plan Assets [Member] | Total Fixed Income Holdings [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 86,003 | 103,542 | ' |
Pension Plan Assets [Member] | Total Fixed Income Holdings [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 468,832 | 358,208 | ' |
Pension Plan Assets [Member] | Total Fixed Income Holdings [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | U.S. Treasuries [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 55,014 | ' |
Pension Plan Assets [Member] | U.S. Treasuries [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,044 | ' | ' |
Pension Plan Assets [Member] | U.S. Treasuries [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 34,044 | 55,014 | ' |
Pension Plan Assets [Member] | U.S. Treasuries [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | U.S. Treasuries [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Federal Agencies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 14,302 | ' |
Pension Plan Assets [Member] | Federal Agencies [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 33,250 | ' | ' |
Pension Plan Assets [Member] | Federal Agencies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Federal Agencies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 33,250 | 14,302 | ' |
Pension Plan Assets [Member] | Federal Agencies [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Corporate Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 189,643 | ' |
Pension Plan Assets [Member] | Corporate Bonds [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 223,992 | ' | ' |
Pension Plan Assets [Member] | Corporate Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 223,992 | 189,643 | ' |
Pension Plan Assets [Member] | Corporate Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Pooled Fixed Income Funds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 165,192 | ' |
Pension Plan Assets [Member] | Pooled Fixed Income Funds [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 212,465 | ' | ' |
Pension Plan Assets [Member] | Pooled Fixed Income Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 51,959 | 48,528 | ' |
Pension Plan Assets [Member] | Pooled Fixed Income Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 160,506 | 116,664 | ' |
Pension Plan Assets [Member] | Pooled Fixed Income Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Foreign Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 29,149 | ' |
Pension Plan Assets [Member] | Foreign Bonds [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 40,885 | ' | ' |
Pension Plan Assets [Member] | Foreign Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Foreign Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 40,885 | 29,149 | ' |
Pension Plan Assets [Member] | Foreign Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Municipal Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | ' | 8,450 | ' |
Pension Plan Assets [Member] | Municipal Bonds [Member] | Estimate of Fair Value Measurement [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 10,199 | ' | ' |
Pension Plan Assets [Member] | Municipal Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Pension Plan Assets [Member] | Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 10,199 | 8,450 | ' |
Pension Plan Assets [Member] | Municipal Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 147,875 | 123,106 | 109,160 |
Postretirement Healthcare Benefits [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 117,617 | 107,270 | ' |
Postretirement Healthcare Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 30,258 | 15,836 | ' |
Postretirement Healthcare Benefits [Member] | Cash And Cash Equivalents [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,402 | 5,522 | ' |
Postretirement Healthcare Benefits [Member] | Cash And Cash Equivalents [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Cash And Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,402 | 5,522 | ' |
Postretirement Healthcare Benefits [Member] | Total Equity Holdings [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 108,509 | 101,900 | ' |
Postretirement Healthcare Benefits [Member] | Total Equity Holdings [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 108,129 | 101,900 | ' |
Postretirement Healthcare Benefits [Member] | Total Equity Holdings [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 380 | 0 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Companies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 29,365 | 60,658 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Companies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 29,365 | 60,658 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Companies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Foreign Companies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 18,010 | 13,625 | ' |
Postretirement Healthcare Benefits [Member] | Foreign Companies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 17,630 | 13,625 | ' |
Postretirement Healthcare Benefits [Member] | Foreign Companies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 380 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Pooled Equity Funds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 61,134 | 27,617 | ' |
Postretirement Healthcare Benefits [Member] | Pooled Equity Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 61,134 | 27,617 | ' |
Postretirement Healthcare Benefits [Member] | Pooled Equity Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Total Fixed Income Holdings [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 30,964 | 15,684 | ' |
Postretirement Healthcare Benefits [Member] | Total Fixed Income Holdings [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 9,488 | 5,370 | ' |
Postretirement Healthcare Benefits [Member] | Total Fixed Income Holdings [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 21,476 | 10,314 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Treasuries [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 9,488 | 5,370 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Treasuries [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 9,488 | 5,370 | ' |
Postretirement Healthcare Benefits [Member] | U.S. Treasuries [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Federal Agencies [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 2,579 | 3,489 | ' |
Postretirement Healthcare Benefits [Member] | Federal Agencies [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Federal Agencies [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 2,579 | 3,489 | ' |
Postretirement Healthcare Benefits [Member] | Corporate Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,685 | 6,033 | ' |
Postretirement Healthcare Benefits [Member] | Corporate Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,685 | 6,033 | ' |
Postretirement Healthcare Benefits [Member] | Pooled Fixed Income Funds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,977 | ' | ' |
Postretirement Healthcare Benefits [Member] | Pooled Fixed Income Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | ' | ' |
Postretirement Healthcare Benefits [Member] | Pooled Fixed Income Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 8,977 | ' | ' |
Postretirement Healthcare Benefits [Member] | Foreign Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 941 | 659 | ' |
Postretirement Healthcare Benefits [Member] | Foreign Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Foreign Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 941 | 659 | ' |
Postretirement Healthcare Benefits [Member] | Municipal Bonds [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 294 | 133 | ' |
Postretirement Healthcare Benefits [Member] | Municipal Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | 0 | 0 | ' |
Postretirement Healthcare Benefits [Member] | Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | ' | ' | ' |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ' | ' | ' |
Total pension plan assets | $294 | $133 | ' |