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Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pay vs Performance Disclosure          
Pay vs Performance Disclosure, Table
Pay Versus Performance
As required by Item 402(v) of Regulation S-K under the Securities Exchange Act of 1934, we are providing the following information about the relationship between compensation actually paid (“CAP”), as calculated pursuant to Item 402(v), and performance. This disclosure has been prepared in accordance with Item 402(v) of Regulation S-K and does not necessarily reflect value actually realized by the executives or how the Compensation Committee evaluates compensation decisions in light of Company or individual performance. For further information concerning HII’s variable pay for performance philosophy and how the Company aligns executive compensation with the Company’s performance, see “Compensation Discussion and Analysis” above.
Summary
 Compensation
 Table Total for
 second PEO(1)
(b)
Compensation
 Actually Paid to
 first
 PEO(2)
(c)
Compensation
 Actually Paid
 to second
 PEO(2)
(c)
Average
 Summary
 Compensation
 Table Total for
Non-PEO
 NEOs(3)
(d)
Average
 Compensation
 Actually Paid
 to Non-PEO
 NEOs(4)
(e)
Value of Initial Fixed $100
Investment Based On:
Year
(a)
Summary
 Compensation
 Table Total for
 first PEO(1)
(b)
Total
 Shareholder
 Return(5)
(f)
Peer Group
 Total
 Shareholder
 Return(6)
(g)
Net
Income
(millions)(7)
(h)
EBITDAP
(millions)(8) 
 (i)
($)($)($)($)($)($)($)($)($)($)
202513,809,406 n/a31,037,552 n/a3,307,657 6,425,685 223 220 605 1,048 
202414,553,665 n/a4,425,245 n/a2,787,438 1,398,520 121 150 550 941 
202314,100,619 n/a14,030,077 n/a3,519,012 3,969,418 163 121 681 1,211 
20227,742,266 3,635,247 9,452,779 7,011,842 2,739,014 3,404,890 142 98 579 1,060 
20217,714,067 n/a10,473,486 n/a2,769,626 3,287,420 112 103 544 972 
(1)HII’s Principal Executive Officer (“PEO”) for 2025, 2024, and 2023 is Christopher D. Kastner. During 2022, two individuals served as PEO. The first PEO included in the table for 2022 is Mr. Kastner, and the second PEO is C. Michael Petters. The PEO for 2021 is Mr. Petters.
(2)The dollar amounts reported in columns (c) represent the amount of CAP to the first PEO and the second PEO (for 2022), as computed in accordance with SEC rules. The dollar amounts do not reflect the actual amount of compensation earned by or paid to the PEO during the applicable year. The following adjustments were made to the PEO’s total compensation for each applicable year to determine the compensation actually paid in accordance with SEC rules:
First PEO
YearReported
 Summary
 Compensation
 Table Total for
 First PEO
Reported
 Value of
 Equity
 Awards(a)
Equity Award
 Adjustments(b)
Reported
 Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits(c)
Pension
 Benefit
 Adjustments(d)
Compensation 
 Actually Paid
 to First PEO
($)($)($)($)($)($)
202513,809,406 (8,499,752)26,542,506 (1,066,426)251,818 31,037,552 
202414,553,665 (6,499,823)1,411,580 (5,316,085)275,908 4,425,245 
202314,100,619 (5,799,855)9,372,275 (3,962,861)319,899 14,030,077 
20227,742,266 (4,399,840)6,253,480 (363,888)220,761 9,452,779 
20217,714,067 (4,399,947)7,063,596 (503,926)599,697 10,473,486 
Second PEO
YearReported
 Summary
 Compensation
 Table Total for
 Second PEO
Reported
 Value of
 Equity
 Awards(a)
Equity Award
 Adjustments(b)
Reported
 Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits(c)
Pension
 Benefit
 Adjustments(d)
Compensation 
Actually Paid
to Second
PEO
($)($)($)($)($)($)
20223,635,247 (1,451,915)4,784,146 — 44,364 7,011,842 
(a)The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year.
(b)The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the covered fiscal year; (ii) the amount of change in fair value as of the end of the applicable year from the end of the prior fiscal year of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date from the end of the prior fiscal year; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
First PEO
YearYear End Fair
 Value of
 Equity
 Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year
Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation
Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
202517,499,405 3,273,858 — 5,769,244 — — 26,542,506 
20244,334,707 (1,822,756)— (1,100,371)— — 1,411,580 
20237,116,525 765,249 — 1,490,502 — — 9,372,275 
20225,051,057 558,459 — 643,963 — — 6,253,480 
20214,685,308 395,842 — 1,982,446 — — 7,063,596 
Second PEO
YearYear End Fair
 Value of
 Equity
 Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year		Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation		Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
20221,666,812 1,228,610 — 1,888,724 — — 4,784,146 
(c)The amounts included in this column are the amounts reported in the “Change in Pension and Nonqualified Deferred Compensation” column of the Summary Compensation Table for each applicable year.
(d)The total pension benefit adjustments for each applicable year include the aggregate of two components: (i) the actuarially determined service cost for services rendered by Mr. Kastner and Mr. Petters during the applicable year (the “service cost”); and (ii) the entire cost of benefits granted in a plan amendment (or initiation) during the applicable year that are attributed by the benefit formula to services rendered in periods prior to the plan amendment or initiation (the “prior service cost”), in each case, calculated in accordance with U.S. GAAP. The amounts deducted or added in calculating the pension benefit adjustments are as follows:
First PEO
YearService
 Cost		Prior
 Service
 Cost		Total
 Pension
 Benefit
 Adjustments
($)($)($)
2025251,818 — 251,818 
2024275,908 — 275,908 
2023319,899 — 319,899 
2022220,761 — 220,761 
2021599,697 — 599,697 
Second PEO
YearService
 Cost		Prior
 Service
 Cost		Total
 Pension
 Benefit
 Adjustments
($)($)($)
202244,364 — 44,364 
(3)The dollar amounts reported in column (d) represent the average of the amounts reported for the Company’s NEOs as a group (excluding Mr. Kastner (for 2025, 2024, 2023 and 2022) and Mr. Petters (for 2022 and 2021)) in the “Total” column of the Summary Compensation Table in each applicable year. The NEOs for 2025 were Thomas E. Stiehle, Chad N. Boudreaux, Edgar A. Green III , and Brian D. Blanchette. The NEOs for 2024 were Messrs. Stiehle and Boudreaux, Jennifer Boykin, and Mr. Green. The NEOs for 2023 were Messrs. Stiehle, Boudreaux, and Green, and Kara R. Wilkinson. The NEOs for 2022 were Messrs. Stiehle and Boudreaux, Ms. Wilkinson and Mr. Green. The NEOs for 2021 were Messrs. Kastner, Stiehle, and Boudreaux, Ms. Boykin and Mr. Green.
(4)The dollar amounts reported in column (e) represent the average amount of CAP to the NEOs as a group (excluding Mr. Kastner (for 2025, 2024, 2023, and 2022) and Mr. Petters (for 2022 and 2021)). The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group during the applicable year. In accordance with the of Item 402(v) of Regulation S-K, the following adjustments were made to the total compensation for the non-PEO NEOs for each year to determine the compensation actually paid, using the same methodology described above in Note 2. The amounts presented are averages for the entire group of non-PEO NEOs:
YearAverage
Reported
 Summary
 Compensation
 Table Total for
Non-PEO
 NEOs		Average
Reported
Value of
 Equity
 Awards
Average
 Equity
Award
 Adjustments(a)
Average
Reported
Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits
Average
 Pension
 Benefit
Adjustments(b)
Average
 Compensation
 Actually Paid
 to Non-PEO
 NEOs
($)($)($)($)($)($)
20253,307,657 (1,612,389)4,840,907 (155,249)44,759 6,425,685 
20242,787,438 (1,237,080)126,538 (355,908)77,533 1,398,520 
*
20233,519,012 (1,237,346)2,455,702 (829,640)61,690 3,969,418 
20222,739,014 (1,237,455)1,986,110 (166,194)83,415 3,404,890 
20212,769,626 (1,249,905)1,815,118 (123,925)76,507 3,287,420 *
*Does not total due to rounding.
(a)The amounts deducted or added in calculating the total average equity award adjustments are as follows:
YearYear End Fair
Value of
Equity
Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year		Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation		Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
20253,319,624 511,964 — 1,009,319 — — 4,840,907 
2024825,004 (388,868)— (309,597)— — 126,538 
20231,518,245 215,226 — 722,231 — — 2,455,702 
20221,420,610 270,648 — 294,852 — — 1,986,110 
20211,330,968 93,198 — 390,952 — — 1,815,118 
(b)The amounts deducted or added in calculating the total pension benefit adjustments are as follows:
Year
Average
Service
Cost
Average
Prior
Service Cost
Total
Average
Pension
Benefit
 Adjustments
($)($)($)
202544,759 — 44,759 
202477,533 — 77,533 
202361,690 — 61,690 
202283,415 — 83,415 
202176,507 — 76,507 
(5)Cumulative total shareholder return (“TSR”) is calculated by dividing the sum of the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and the difference between the Company’s share price at the end and the beginning of the measurement period by the Company’s share price at the beginning of the measurement period.
(6)Represents the peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the following published industry index: S&P Aerospace & Defense Select Industry Index.
(7)The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year.
(8)EBITDAP is calculated as net earnings, plus interest, taxes, depreciation and amortization, less net pension/post retirement benefit expense. While the Company uses numerous financial and non-financial performance measures for the purpose of evaluating performance for the Company’s compensation programs, the Company has determined that EBITDAP is the financial performance measure that, in the Company’s assessment, represents the most important performance measure (that is not otherwise required to be disclosed in the table) used by the Company to link compensation actually paid to the Company’s NEOs, for the most recently completed fiscal year, to Company performance.
        
Company Selected Measure Name EBITDAP        
Named Executive Officers, Footnote HII’s Principal Executive Officer (“PEO”) for 2025, 2024, and 2023 is Christopher D. Kastner. During 2022, two individuals served as PEO. The first PEO included in the table for 2022 is Mr. Kastner, and the second PEO is C. Michael Petters. The PEO for 2021 is Mr. Petters.        
Peer Group Issuers, Footnote Represents the peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the following published industry index: S&P Aerospace & Defense Select Industry Index.        
Adjustment To PEO Compensation, Footnote The following adjustments were made to the PEO’s total compensation for each applicable year to determine the compensation actually paid in accordance with SEC rules:
First PEO
YearReported
 Summary
 Compensation
 Table Total for
 First PEO
Reported
 Value of
 Equity
 Awards(a)
Equity Award
 Adjustments(b)
Reported
 Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits(c)
Pension
 Benefit
 Adjustments(d)
Compensation 
 Actually Paid
 to First PEO
($)($)($)($)($)($)
202513,809,406 (8,499,752)26,542,506 (1,066,426)251,818 31,037,552 
202414,553,665 (6,499,823)1,411,580 (5,316,085)275,908 4,425,245 
202314,100,619 (5,799,855)9,372,275 (3,962,861)319,899 14,030,077 
20227,742,266 (4,399,840)6,253,480 (363,888)220,761 9,452,779 
20217,714,067 (4,399,947)7,063,596 (503,926)599,697 10,473,486 
Second PEO
YearReported
 Summary
 Compensation
 Table Total for
 Second PEO
Reported
 Value of
 Equity
 Awards(a)
Equity Award
 Adjustments(b)
Reported
 Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits(c)
Pension
 Benefit
 Adjustments(d)
Compensation 
Actually Paid
to Second
PEO
($)($)($)($)($)($)
20223,635,247 (1,451,915)4,784,146 — 44,364 7,011,842 
(a)The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year.
(b)The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the covered fiscal year; (ii) the amount of change in fair value as of the end of the applicable year from the end of the prior fiscal year of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change in fair value as of the vesting date from the end of the prior fiscal year; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
First PEO
YearYear End Fair
 Value of
 Equity
 Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year
Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation
Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
202517,499,405 3,273,858 — 5,769,244 — — 26,542,506 
20244,334,707 (1,822,756)— (1,100,371)— — 1,411,580 
20237,116,525 765,249 — 1,490,502 — — 9,372,275 
20225,051,057 558,459 — 643,963 — — 6,253,480 
20214,685,308 395,842 — 1,982,446 — — 7,063,596 
Second PEO
YearYear End Fair
 Value of
 Equity
 Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year		Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation		Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
20221,666,812 1,228,610 — 1,888,724 — — 4,784,146 
(c)The amounts included in this column are the amounts reported in the “Change in Pension and Nonqualified Deferred Compensation” column of the Summary Compensation Table for each applicable year.
(d)The total pension benefit adjustments for each applicable year include the aggregate of two components: (i) the actuarially determined service cost for services rendered by Mr. Kastner and Mr. Petters during the applicable year (the “service cost”); and (ii) the entire cost of benefits granted in a plan amendment (or initiation) during the applicable year that are attributed by the benefit formula to services rendered in periods prior to the plan amendment or initiation (the “prior service cost”), in each case, calculated in accordance with U.S. GAAP. The amounts deducted or added in calculating the pension benefit adjustments are as follows:
First PEO
YearService
 Cost		Prior
 Service
 Cost		Total
 Pension
 Benefit
 Adjustments
($)($)($)
2025251,818 — 251,818 
2024275,908 — 275,908 
2023319,899 — 319,899 
2022220,761 — 220,761 
2021599,697 — 599,697 
Second PEO
YearService
 Cost		Prior
 Service
 Cost		Total
 Pension
 Benefit
 Adjustments
($)($)($)
202244,364 — 44,364 
        
Non-PEO NEO Average Total Compensation Amount $ 3,307,657 $ 2,787,438 $ 3,519,012 $ 2,739,014 $ 2,769,626
Non-PEO NEO Average Compensation Actually Paid Amount $ 6,425,685 1,398,520 3,969,418 3,404,890 3,287,420
Adjustment to Non-PEO NEO Compensation Footnote
YearAverage
Reported
 Summary
 Compensation
 Table Total for
Non-PEO
 NEOs		Average
Reported
Value of
 Equity
 Awards
Average
 Equity
Award
 Adjustments(a)
Average
Reported
Change in the
 Actuarial
 Present
 Value of
 Pension
 Benefits
Average
 Pension
 Benefit
Adjustments(b)
Average
 Compensation
 Actually Paid
 to Non-PEO
 NEOs
($)($)($)($)($)($)
20253,307,657 (1,612,389)4,840,907 (155,249)44,759 6,425,685 
20242,787,438 (1,237,080)126,538 (355,908)77,533 1,398,520 
*
20233,519,012 (1,237,346)2,455,702 (829,640)61,690 3,969,418 
20222,739,014 (1,237,455)1,986,110 (166,194)83,415 3,404,890 
20212,769,626 (1,249,905)1,815,118 (123,925)76,507 3,287,420 *
*Does not total due to rounding.
(a)The amounts deducted or added in calculating the total average equity award adjustments are as follows:
YearYear End Fair
Value of
Equity
Awards		Year over
 Year Change
 in Fair Value
 of
 Outstanding
 and Unvested
 Equity
 Awards		Fair Value as
 of Vesting
 Date of Equity
 Awards
 Granted and
 Vested in the
 Year		Year over
 Year Change
 in Fair Value
 of Equity
 Awards
 Granted in
 Prior Years
 that Vested in
 the Year		Fair Value at
 the End of the
 Prior Year of
 Equity
 Awards that
 Failed to
 Meet Vesting
 Conditions in
 the Year		Value of
 Dividends or
 other
 Earnings Paid
 on Stock or
 Option
 Awards not
 Otherwise
 Reflected in
 Fair Value or
 Total
 Compensation		Total Equity
 Award
 Adjustments
($)($)($)($)($)($)($)
20253,319,624 511,964 — 1,009,319 — — 4,840,907 
2024825,004 (388,868)— (309,597)— — 126,538 
20231,518,245 215,226 — 722,231 — — 2,455,702 
20221,420,610 270,648 — 294,852 — — 1,986,110 
20211,330,968 93,198 — 390,952 — — 1,815,118 
(b)The amounts deducted or added in calculating the total pension benefit adjustments are as follows:
Year
Average
Service
Cost
Average
Prior
Service Cost
Total
Average
Pension
Benefit
 Adjustments
($)($)($)
202544,759 — 44,759 
202477,533 — 77,533 
202361,690 — 61,690 
202283,415 — 83,415 
202176,507 — 76,507 
        
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid and TSR/Peer TSR
TSR (HII and S&P A&D Select Industry Index) vs. CAP
8917
        
Compensation Actually Paid vs. Net Income
Compensation Actually Paid and Net Income
Net Income vs. CAP
8981
        
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid and EBITDAP
HII EBITDAP vs. CAP
9042
        
Total Shareholder Return Vs Peer Group
Compensation Actually Paid and TSR/Peer TSR
TSR (HII and S&P A&D Select Industry Index) vs. CAP
8917
        
Tabular List, Table
As described in greater detail under “Compensation Discussion and Analysis” above, HII’s executive compensation program reflects a variable pay for performance philosophy. The metrics we use for both our long-term and short-term incentive awards are selected based on an objective of incentivizing our NEOs to increase the value of our enterprise for our stockholders. The most important financial performance measures we used to link executive compensation actually paid to our NEOs, for the most recently completed fiscal year, to our performance are as follows:
•EBITDAP
•Segment operating margin
•Operating cash flow
•Return on invested capital
        
Total Shareholder Return Amount $ 223 121 163 142 112
Peer Group Total Shareholder Return Amount 220 150 121 98 103
Net Income (Loss) $ 605,000,000 $ 550,000,000 $ 681,000,000 $ 579,000,000 $ 544,000,000
Company Selected Measure Amount 1,048,000,000 941,000,000 1,211,000,000 1,060,000,000 972,000,000
Measure:: 1          
Pay vs Performance Disclosure          
Name EBITDAP        
Measure:: 2          
Pay vs Performance Disclosure          
Name Segment operating margin        
Measure:: 3          
Pay vs Performance Disclosure          
Name Operating cash flow        
Measure:: 4          
Pay vs Performance Disclosure          
Name Return on invested capital        
Christopher D. Kastner [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount $ 13,809,406 $ 14,553,665 $ 14,100,619 $ 7,742,266  
PEO Actually Paid Compensation Amount $ 31,037,552 $ 4,425,245 $ 14,030,077 $ 9,452,779  
PEO Name Christopher D. Kastner Christopher D. Kastner Christopher D. Kastner Christopher D. Kastner  
C. Michael Petters [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount       $ 3,635,247 $ 7,714,067
PEO Actually Paid Compensation Amount       $ 7,011,842 $ 10,473,486
PEO Name       C. Michael Petters C. Michael Petters
PEO | Christopher D. Kastner [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ (1,066,426) $ (5,316,085) $ (3,962,861) $ (363,888)  
PEO | Christopher D. Kastner [Member] | Aggregate Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 251,818 275,908 319,899 220,761  
PEO | Christopher D. Kastner [Member] | Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 251,818 275,908 319,899 220,761  
PEO | Christopher D. Kastner [Member] | Pension Adjustments Prior Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Christopher D. Kastner [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (8,499,752) (6,499,823) (5,799,855) (4,399,840)  
PEO | Christopher D. Kastner [Member] | Equity Awards Adjustments, Excluding Value Reported in Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 26,542,506 1,411,580 9,372,275 6,253,480  
PEO | Christopher D. Kastner [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 17,499,405 4,334,707 7,116,525 5,051,057  
PEO | Christopher D. Kastner [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 3,273,858 (1,822,756) 765,249 558,459  
PEO | Christopher D. Kastner [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Christopher D. Kastner [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 5,769,244 (1,100,371) 1,490,502 643,963  
PEO | Christopher D. Kastner [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Christopher D. Kastner [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | C. Michael Petters [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 $ (503,926)
PEO | C. Michael Petters [Member] | Aggregate Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       44,364 599,697
PEO | C. Michael Petters [Member] | Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       44,364 599,697
PEO | C. Michael Petters [Member] | Pension Adjustments Prior Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
PEO | C. Michael Petters [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       (1,451,915) (4,399,947)
PEO | C. Michael Petters [Member] | Equity Awards Adjustments, Excluding Value Reported in Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       4,784,146 7,063,596
PEO | C. Michael Petters [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       1,666,812 4,685,308
PEO | C. Michael Petters [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       1,228,610 395,842
PEO | C. Michael Petters [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
PEO | C. Michael Petters [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       1,888,724 1,982,446
PEO | C. Michael Petters [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
PEO | C. Michael Petters [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (155,249) (355,908) (829,640) (166,194) (123,925)
Non-PEO NEO | Aggregate Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 44,759 77,533 61,690 83,415 76,507
Non-PEO NEO | Pension Adjustments Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 44,759 77,533 61,690 83,415 76,507
Non-PEO NEO | Pension Adjustments Prior Service Cost          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 0
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (1,612,389) (1,237,080) (1,237,346) (1,237,455) (1,249,905)
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 4,840,907 126,538 2,455,702 1,986,110 1,815,118
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 3,319,624 825,004 1,518,245 1,420,610 1,330,968
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 511,964 (388,868) 215,226 270,648 93,198
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 0
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 1,009,319 (309,597) 722,231 294,852 390,952
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 0
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ 0 $ 0 $ 0 $ 0 $ 0