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Transfers of Financial Assets - Carrying Amounts of Assets Pledged as Collateral (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Carrying amounts of the assets pledged as collateral |  |
Public deposits | $ 3,440,535 | $ 2,521,761
Federal Home Loan Bank | 2,323,773 | 2,097,233
Federal Reserve Bank | 905,249 | 935,672
Repurchase agreements |  | 10,066
ACH transactions | 151,466 | 152,394
Interest rate swaps | 36,230 | 30,399
Total | 6,857,253 | 5,747,525
Securities for reverse repurchase agreements | 0 | 0
Extinguishment of debt |  |
In-substance debt defeasance | $ 0 | $ 0

X
- Definition Amount of debt extinguished by in-substance defeasance. + References No definition available. + Details
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- Definition Sum of the carrying amounts as of the date of the latest financial statement presented of financial assets which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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X
- Definition The carrying amount as of the date of the latest financial statement presented of financial assets which are owned but transferred to serve as collateral for Automated Clearing House (ACH) obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- Definition The carrying amount as of the date of the latest financial statement presented of financial assets which are owned but transferred to serve as collateral for derivative contracts, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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X
- Definition The carrying amount, as of the date of the latest financial statement presented, of loans receivable and securities which are owned but transferred to serve as collateral for the payment of FHLB debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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X
- Definition The carrying amount, as of the date of the latest financial statement presented, of loans receivable and securities which are owned but transferred to serve as collateral for the payment of Federal Reserve Bank debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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X
- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for public deposits, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for repurchase agreements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 + Details
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- Definition The carrying value of securities purchased to be resold in reverse repurchase transactions as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(2)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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