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Commitments and Contingent Liabilities - Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financial instruments with off-balance sheet risk |  |
Contract amount | $ 6,000,000 | $ 5,800,000
Commitments to extend credit |  |
Financial instruments with off-balance sheet risk |  |
Contract amount | 5,814,078 | 5,549,591
Standby letters of credit |  |
Financial instruments with off-balance sheet risk |  |
Contract amount | 183,992 | 204,324
Commercial Letters of credit |  |
Financial instruments with off-balance sheet risk |  |
Contract amount | $ 5,024 | $ 7,535

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- Definition The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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