Commitments and Contingencies (Schedule of Other Commitments) (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 19 Months Ended | 21 Months Ended | | |
Oct. 31, 2021 | Apr. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2018 | Sep. 30, 2022 | Nov. 30, 2020 | Dec. 31, 2019 | Nov. 30, 2019 | Dec. 31, 2018 | Nov. 30, 2018 | Dec. 31, 2017 | Nov. 30, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Nov. 30, 2014 | Dec. 31, 2013 | Nov. 30, 2013 | Nov. 30, 2012 | Dec. 31, 2012 | Sep. 30, 2021 | Mar. 31, 2021 |
Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | $ 3,850,000 | | | | | | | | $ 3,850,000 | | | | | | | | | | | | | | | | | |
Other Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (205,000) | | | | | | | | (205,000) | | | | | | | | | | | | | | | | | |
Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (2,601,000) | | | | | | | | (2,601,000) | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | First Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | 0% | | | | | | | | | | | | | | | | | | | | | 0% | | | |
Additional Contingent Receivable | | | | | $ 200,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | First Annual Review [Member] | Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 1,526,000 | | | | | | | | 1,526,000 | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Second Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | | | | | | | 3.30% | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | 3.92% | 13.74% | | | | | | | | | | | | | | | | 3.92% | | | | |
Contingent Liability | | | | | | $ (4,100,000) | | | | | | | | | | | | | | | | | | | | | | | |
Decrease in contingent liability | | | | | | $ 3,900,000 | | | | | | | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Second Annual Review [Member] | Other Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (205,000) | | | | | | | | (205,000) | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Third Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | 17.37% | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | 0% | | | | | | | | | | | | | | | | | | | | 0% | | | | | | |
Contingent Receivable | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 1,800,000 |
Contingent Liability | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ (4,700,000) |
Antidumping Duties [Member] | Third Annual Review [Member] | Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 1,821,000 | | | | | | | | 1,821,000 | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | 0% | | | | | | | | | | |
Contingent Receivable | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 500,000 | |
Contingent Liability | | | | | | | | | | | | | | $ (800,000) | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Sixth Annual Review [Member] | Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 503,000 | | | | | | | | 503,000 | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Sixth Annual Review [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | $ (1,464,000) | | | | | | | | (1,464,000) | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Seventh Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | 0% | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | 0% | | | | | | | | | | | | |
Loss Contingency Preliminary Purchase Price Of Anti dumping Duty Rate | | | | | | | | | 0 | | | | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Eighth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | 0% | | | | | | | | | | | | | 0% | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | 0% | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | 0% | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | 39.27% | | | | | | | | | 39.27% | | | | | | | | | | | | | | | | |
Contingent Liability | | | | $ (1,100,000) | | | | | | | | (1,100,000) | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Ninth Annual Review [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (1,137,000) | | | | | | | | $ (1,137,000) | | | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Minimum [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | 0% | | | | 0% | | | | | | | | | | | | | | | |
Antidumping Duties [Member] | Maximum [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | 42.57% | | 42.57% | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 73,000 | | | | | | | | $ 73,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Other Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 296,000 | | | | | | | | 296,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Other Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (38,000) | | | | | | | | (38,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (2,019,000) | | | | | | | | (2,019,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | First and Second Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | | | | | | 1.50% | | |
Countervailing Duties [Member] | First and Second Annual Review [Member] | Other Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 243,000 | | | | | | | | 243,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Third Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | | | 1.50% | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | | | 1.38% | | | | | |
Countervailing Duties [Member] | Third Annual Review [Member] | Other Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 37,000 | | | | | | | | 37,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Fourth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | 1.06% | | | | | | | |
Countervailing Duties [Member] | Fourth Annual Review [Member] | Other Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 16,000 | | | | | | | | 16,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Fifth Annual Review [Member] | Other Current Assets [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Receivable | | | | 73,000 | | | | | | | | 73,000 | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (38,300) | | | | | | | | (38,300) | | $ (400,000) | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Sixth Annual Review [Member] | Other Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (38,000) | | | | | | | | (38,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Seventh Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | 20.75% | | | | | | | | | | | | 20.75% | | | | | | | | | | | |
Contingent Liability | | | | | | $ (1,700,000) | | | | | | | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Seventh Annual Review [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (1,651,000) | | | | | | | | (1,651,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Eighth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | 1.06% | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | 6.13% | | | | | | | | | | | | | | | 6.13% | | | | | | | | | | | | | |
Contingent Liability | $ (300,000) | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Eighth Annual Review [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (287,000) | | | | | | | | (287,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | (100,000) | | | | | | | | (100,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Ninth Annual Review [Member] | Other Noncurrent Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contingent Liability | | | | $ (81,000) | | | | | | | | $ (81,000) | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Minimum [Member] | First and Second Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | | | | | | 0.83% | | |
Countervailing Duties [Member] | Minimum [Member] | Fifth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | 0.11% | | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Minimum [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | 2.96% | | | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Maximum [Member] | First and Second Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | | | | | | 0.99% | | |
Countervailing Duties [Member] | Maximum [Member] | Fifth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | 0.85% | | | | | | | | | | | | | | | | | | |
Countervailing Duties [Member] | Maximum [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | 3.10% | | | | | | | | | | | | | | | | | | | |
Deposit One [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | 3.36% | | | | | | | | | | | | | | | |
Deposit One [Member] | Antidumping Duties [Member] | First Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | | | | | | | | 6.78% | | | |
Deposit One [Member] | Antidumping Duties [Member] | Third Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | | | | | 3.30% | | | | | | |
Deposit One [Member] | Antidumping Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | 17.37% | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | 42.57% | | | | | | | | | | |
Deposit One [Member] | Countervailing Duties [Member] | Fourth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | 1.50% | | | | | | | |
Deposit One [Member] | Countervailing Duties [Member] | Fifth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | 0.83% | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | 0.11% | | | | | | | | |
Contingent Receivable | | | | | | | | | | | $ 100,000 | | | | | | | | | | | | | | | | | | |
Deposit One [Member] | Countervailing Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | 0.99% | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | 3.10% | | | | | | | | | |
Deposit One [Member] | Countervailing Duties [Member] | Seventh Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | 1.38% | | | | | | | | | | | |
Deposit One [Member] | Countervailing Duties [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | 3.36% | | | | | | | | | | 0% | | | | | | | | | | | | | | | |
Deposit Two [Member] | Antidumping Duties [Member] | First Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | | | | | | | | 3.30% | | | |
Deposit Two [Member] | Antidumping Duties [Member] | Third Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | | | | | 5.92% | | | | | | |
Deposit Two [Member] | Antidumping Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Antidumping Duty Rate | | | | | | | | | | | | | | | | | | | 0% | | | | | | | | | | |
Deposit Two [Member] | Countervailing Duties [Member] | Fourth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | | 0.83% | | | | | | | |
Deposit Two [Member] | Countervailing Duties [Member] | Fifth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | 0.99% | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | | 0.85% | | | | | | | | |
Deposit Two [Member] | Countervailing Duties [Member] | Sixth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | 1.38% | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | | | 2.96% | | | | | | | | | |
Deposit Two [Member] | Countervailing Duties [Member] | Seventh Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | | | | | 1.06% | | | | | | | | | | | |
Deposit Two [Member] | Countervailing Duties [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | 9.85% | | | | | | | | | | 0.85% | | | | | | | | | | | | | | | |
Loss Contingency Modified Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | 9.85% | | | | | | | | | | | | | | | |
Deposit Three [Member] | Countervailing Duties [Member] | Ninth Annual Review [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingencies [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss Contingency Purchase Price Of Countervailing Duties Rate | | | | | | | | | | | | | | 2.96% | | | | | | | | | | | | | | | |