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Balance Sheet Offsetting (Tables) | 6 Months Ended
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Jun. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Financial Instruments Eligible for Offset Consolidated Balance Sheet | Information about financial instruments that are eligible for offset in the consolidated balance sheet as of December 31, 2018 is presented in the following tables.
| Gross Amount Recognized |  | Gross Amount Offset |  | Net Amount Recognized
December 31, 2018 |  |  |  |  |
Financial assets: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps and caps | $ | 3,100 |  |  | $ | — |  |  | $ | 3,100 |
Commodity swaps and options | 24,749 |  |  | — |  |  | 24,749 |
Foreign currency forward contracts | — |  |  | — |  |  | — |
Total derivatives | 27,849 |  |  | — |  |  | 27,849 |
Resell agreements | 11,642 |  |  | — |  |  | 11,642 |
Total | $ | 39,491 |  |  | $ | — |  |  | $ | 39,491 |
Financial liabilities: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps | $ | 9,120 |  |  | $ | — |  |  | $ | 9,120 |
Commodity swaps and options | 1,918 |  |  | — |  |  | 1,918 |
Foreign currency forward contracts | 147 |  |  | — |  |  | 147 |
Total derivatives | 11,185 |  |  | — |  |  | 11,185 |
Repurchase agreements | 1,360,298 |  |  | — |  |  | 1,360,298 |
Total | $ | 1,371,483 |  |  | $ | — |  |  | $ | 1,371,483 |
Information about financial instruments that are eligible for offset in the consolidated balance sheet as of June 30, 2019 is presented in the following tables.
| Gross Amount Recognized |  | Gross Amount Offset |  | Net Amount Recognized
June 30, 2019 |  |  |  |  |
Financial assets: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps and caps | $ | 916 |  |  | $ | — |  |  | $ | 916 |
Commodity swaps and options | 9,741 |  |  | — |  |  | 9,741 |
Foreign currency forward contracts | — |  |  | — |  |  | — |
Total derivatives | 10,657 |  |  | — |  |  | 10,657 |
Resell agreements | 10,193 |  |  | — |  |  | 10,193 |
Total | $ | 20,850 |  |  | $ | — |  |  | $ | 20,850 |
Financial liabilities: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps | $ | 20,081 |  |  | $ | — |  |  | $ | 20,081 |
Commodity swaps and options | 4,060 |  |  | — |  |  | 4,060 |
Foreign currency forward contracts | 14 |  |  | — |  |  | 14 |
Total derivatives | 24,155 |  |  | — |  |  | 24,155 |
Repurchase agreements | 1,308,257 |  |  | — |  |  | 1,308,257 |
Total | $ | 1,332,412 |  |  | $ | — |  |  | $ | 1,332,412 |
Financial Instruments Derivative Assets Liabilities and Resell Agreements Net of Amount Not Offset |
|  |  | Gross Amounts Not Offset |  |
| Net Amount Recognized |  | Financial Instruments |  | Collateral |  | Net Amount
December 31, 2018 |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 598 |  |  | $ | (598 | ) |  | $ | — |  |  | $ | — |
Counterparty B | 7,255 |  |  | (3,380 | ) |  | (3,875 | ) |  | — |
Counterparty C | 81 |  |  | (81 | ) |  | — |  |  | — |
Other counterparties | 19,915 |  |  | (2,084 | ) |  | (17,776 | ) |  | 55 |
Total derivatives | 27,849 |  |  | (6,143 | ) |  | (21,651 | ) |  | 55 |
Resell agreements | 11,642 |  |  | — |  |  | (11,642 | ) |  | — |
Total | $ | 39,491 |  |  | $ | (6,143 | ) |  | $ | (33,293 | ) |  | $ | 55 |
Financial liabilities: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 4,293 |  |  | $ | (598 | ) |  | $ | (3,651 | ) |  | $ | 44 |
Counterparty B | 3,380 |  |  | (3,380 | ) |  | — |  |  | — |
Counterparty C | 326 |  |  | (81 | ) |  | (245 | ) |  | — |
Other counterparties | 3,186 |  |  | (2,084 | ) |  | (725 | ) |  | 377 |
Total derivatives | 11,185 |  |  | (6,143 | ) |  | (4,621 | ) |  | 421 |
Repurchase agreements | 1,360,298 |  |  | — |  |  | (1,360,298 | ) |  | — |
Total | $ | 1,371,483 |  |  | $ | (6,143 | ) |  | $ | (1,364,919 | ) |  | $ | 421 |
|  |  | Gross Amounts Not Offset |  |
| Net Amount Recognized |  | Financial Instruments |  | Collateral |  | Net Amount
June 30, 2019 |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 104 |  |  | $ | (104 | ) |  | $ | — |  |  | $ | — |
Counterparty B | 3,937 |  |  | (3,937 | ) |  | — |  |  | — |
Counterparty C | 16 |  |  | (16 | ) |  | — |  |  | — |
Other counterparties | 6,600 |  |  | (6,469 | ) |  | — |  |  | 131 |
Total derivatives | 10,657 |  |  | (10,526 | ) |  | — |  |  | 131 |
Resell agreements | 10,193 |  |  | — |  |  | (10,193 | ) |  | — |
Total | $ | 20,850 |  |  | $ | (10,526 | ) |  | $ | (10,193 | ) |  | $ | 131 |
Financial liabilities: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 5,706 |  |  | $ | (104 | ) |  | $ | (5,602 | ) |  | $ | — |
Counterparty B | 7,224 |  |  | (3,937 | ) |  | (3,287 | ) |  | — |
Counterparty C | 184 |  |  | (16 | ) |  | (168 | ) |  | — |
Other counterparties | 11,041 |  |  | (6,469 | ) |  | (4,493 | ) |  | 79 |
Total derivatives | 24,155 |  |  | (10,526 | ) |  | (13,550 | ) |  | 79 |
Repurchase agreements | 1,308,257 |  |  | — |  |  | (1,308,257 | ) |  | — |
Total | $ | 1,332,412 |  |  | $ | (10,526 | ) |  | $ | (1,321,807 | ) |  | $ | 79 |
Remaining Contractual Maturity of the Securities Sold Under Agreement [Table Text Block] | The remaining contractual maturity of repurchase agreements in the consolidated balance sheets as of June 30, 2019 and December 31, 2018 is presented in the following tables.
| Remaining Contractual Maturity of the Agreements
| Overnight and Continuous |  | Up to 30 Days |  | 30-90 Days |  | Greater than 90 Days |  | Total
June 30, 2019 |  |  |  |  |  |  |  |  |
Repurchase agreements: |  |  |  |  |  |  |  |  |
U.S. Treasury | $ | 946,724 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 946,724 |
Residential mortgage-backed securities | 361,533 |  |  | — |  |  | — |  |  | — |  |  | 361,533 |
Total borrowings | $ | 1,308,257 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,308,257 |
Gross amount of recognized liabilities for repurchase agreements |  | $ | 1,308,257 |
Amounts related to agreements not included in offsetting disclosures above |  | $ | — |
December 31, 2018 |  |  |  |  |  |  |  |  |
Repurchase agreements: |  |  |  |  |  |  |  |  |
U.S. Treasury | $ | 1,334,063 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,334,063 |
Residential mortgage-backed securities | 26,235 |  |  | — |  |  | — |  |  | — |  |  | 26,235 |
Total borrowings | $ | 1,360,298 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,360,298 |
Gross amount of recognized liabilities for repurchase agreements |  | $ | 1,360,298 |
Amounts related to agreements not included in offsetting disclosures above |  | $ | — |

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- Definition Financial Instruments Derivatives Assets And Liabilities And Resell Agreements Net [Table Text Block] + References No definition available. + Details
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