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Commitments and Contingent Liabilities - Amount of Commitment Expiration Per Period (Details) $ in Thousands | Jun. 30, 2020 USD ($)
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Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | $ 310,676
Less Than 1 Year |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 279,086
1-3 Years |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 31,590
3-5 Years |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Beyond 5 Years |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | Firm Transportation |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 197,919
Standby Letters of Credit | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 6,950
Standby Letters of Credit | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 204,869
Standby Letters of Credit | Less Than 1 Year | Firm Transportation |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 167,897
Standby Letters of Credit | Less Than 1 Year | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 6,950
Standby Letters of Credit | Less Than 1 Year | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 174,847
Standby Letters of Credit | 1-3 Years | Firm Transportation |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 30,022
Standby Letters of Credit | 1-3 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | 1-3 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 30,022
Standby Letters of Credit | 3-5 Years | Firm Transportation |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | 3-5 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | 3-5 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | Beyond 5 Years | Firm Transportation |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | Beyond 5 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Standby Letters of Credit | Beyond 5 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 9,275
Surety Bond | Employee-Related |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 2,600
Surety Bond | Environmental |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 12,262
Surety Bond | Financial Guarantees |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 81,670
Surety Bond | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 105,807
Surety Bond | Less Than 1 Year | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 7,766
Surety Bond | Less Than 1 Year | Employee-Related |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 2,600
Surety Bond | Less Than 1 Year | Environmental |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 12,203
Surety Bond | Less Than 1 Year | Financial Guarantees |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 81,670
Surety Bond | Less Than 1 Year | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 104,239
Surety Bond | 1-3 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 1,509
Surety Bond | 1-3 Years | Employee-Related |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 1-3 Years | Environmental |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 59
Surety Bond | 1-3 Years | Financial Guarantees |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 1-3 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 1,568
Surety Bond | 3-5 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 3-5 Years | Employee-Related |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 3-5 Years | Environmental |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 3-5 Years | Financial Guarantees |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | 3-5 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Beyond 5 Years | Other |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Beyond 5 Years | Employee-Related |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Beyond 5 Years | Environmental |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Beyond 5 Years | Financial Guarantees |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | 0
Surety Bond | Beyond 5 Years | Loss Contingencies by Secondary Nature of Contingency |
Schedule of Costs Related to Purchase Obligations [Line Items] |
Guarantor obligations, maximum exposure | $ 0

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- Definition Schedule of Costs Related to Purchase Obligations [Line Items] + References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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