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Balance Sheet Offsetting (Tables) | 3 Months Ended
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Mar. 31, 2017
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, 2016 is presented in the following tables.
| Gross Amount Recognized |  | Gross Amount Offset |  | Net Amount Recognized
December 31, 2016 |  |  |  |  |
Financial assets: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps and caps | $ | 3,592 |  |  | $ | — |  |  | $ | 3,592 |
Commodity swaps and options | 206 |  |  | — |  |  | 206 |
Foreign currency forward contracts | — |  |  | — |  |  | — |
Total derivatives | 3,798 |  |  | — |  |  | 3,798 |
Resell agreements | 9,642 |  |  | — |  |  | 9,642 |
Total | $ | 13,440 |  |  | $ | — |  |  | $ | 13,440 |
Financial liabilities: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps | $ | 26,744 |  |  | $ | — |  |  | $ | 26,744 |
Commodity swaps and options | 5,757 |  |  | — |  |  | 5,757 |
Foreign currency forward contracts | 33 |  |  | — |  |  | 33 |
Total derivatives | 32,534 |  |  | — |  |  | 32,534 |
Repurchase agreements | 963,317 |  |  | — |  |  | 963,317 |
Total | $ | 995,851 |  |  | $ | — |  |  | $ | 995,851 |
Information about financial instruments that are eligible for offset in the consolidated balance sheet as of March 31, 2017 is presented in the following tables.
| Gross Amount Recognized |  | Gross Amount Offset |  | Net Amount Recognized
March 31, 2017 |  |  |  |  |
Financial assets: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps and caps | $ | 4,400 |  |  | $ | — |  |  | $ | 4,400 |
Commodity swaps and options | 962 |  |  | — |  |  | 962 |
Foreign currency forward contracts | 11 |  |  | — |  |  | 11 |
Total derivatives | 5,373 |  |  | — |  |  | 5,373 |
Resell agreements | 9,642 |  |  | — |  |  | 9,642 |
Total | $ | 15,015 |  |  | $ | — |  |  | $ | 15,015 |
Financial liabilities: |  |  |  |  |
Derivatives: |  |  |  |  |
Loan/lease interest rate swaps | $ | 23,854 |  |  | $ | — |  |  | $ | 23,854 |
Commodity swaps and options | 1,679 |  |  | — |  |  | 1,679 |
Foreign currency forward contracts | 5 |  |  | — |  |  | 5 |
Total derivatives | 25,538 |  |  | — |  |  | 25,538 |
Repurchase agreements | 879,050 |  |  | — |  |  | 879,050 |
Total | $ | 904,588 |  |  | $ | — |  |  | $ | 904,588 |
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
March 31, 2017 |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 612 |  |  | $ | (612 | ) |  | $ | — |  |  | $ | — |
Counterparty B | 874 |  |  | (874 | ) |  | — |  |  | — |
Counterparty C | 329 |  |  | (329 | ) |  | — |  |  | — |
Counterparty D | 2,133 |  |  | (2,133 | ) |  | — |  |  | — |
Other counterparties | 1,425 |  |  | (688 | ) |  | (627 | ) |  | 110 |
Total derivatives | 5,373 |  |  | (4,636 | ) |  | (627 | ) |  | 110 |
Resell agreements | 9,642 |  |  | — |  |  | (9,642 | ) |  | — |
Total | $ | 15,015 |  |  | $ | (4,636 | ) |  | $ | (10,269 | ) |  | $ | 110 |
Financial liabilities: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 10,211 |  |  | $ | (612 | ) |  | $ | (9,599 | ) |  | $ | — |
Counterparty B | 4,261 |  |  | (874 | ) |  | (3,304 | ) |  | 83 |
Counterparty C | 2,373 |  |  | (329 | ) |  | (1,759 | ) |  | 285 |
Counterparty D | 6,865 |  |  | (2,133 | ) |  | (4,732 | ) |  | — |
Other counterparties | 1,828 |  |  | (688 | ) |  | (1,133 | ) |  | 7 |
Total derivatives | 25,538 |  |  | (4,636 | ) |  | (20,527 | ) |  | 375 |
Repurchase agreements | 879,050 |  |  | — |  |  | (879,050 | ) |  | — |
Total | $ | 904,588 |  |  | $ | (4,636 | ) |  | $ | (899,577 | ) |  | $ | 375 |
|  |  | Gross Amounts Not Offset |  |
| Net Amount Recognized |  | Financial Instruments |  | Collateral |  | Net Amount
December 31, 2016 |  |  |  |  |  |  |
Financial assets: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 687 |  |  | $ | (687 | ) |  | $ | — |  |  | $ | — |
Counterparty B | 223 |  |  | (223 | ) |  | — |  |  | — |
Counterparty C | 158 |  |  | (158 | ) |  | — |  |  | — |
Counterparty D | 1,820 |  |  | (1,820 | ) |  | — |  |  | — |
Other counterparties | 910 |  |  | (677 | ) |  | (64 | ) |  | 169 |
Total derivatives | 3,798 |  |  | (3,565 | ) |  | (64 | ) |  | 169 |
Resell agreements | 9,642 |  |  | — |  |  | (9,642 | ) |  | — |
Total | $ | 13,440 |  |  | $ | (3,565 | ) |  | $ | (9,706 | ) |  | $ | 169 |
Financial liabilities: |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |
Counterparty A | $ | 11,233 |  |  | $ | (687 | ) |  | $ | (10,026 | ) |  | $ | 520 |
Counterparty B | 6,867 |  |  | (223 | ) |  | (6,344 | ) |  | 300 |
Counterparty C | 4,578 |  |  | (158 | ) |  | (4,415 | ) |  | 5 |
Counterparty D | 7,706 |  |  | (1,820 | ) |  | (5,886 | ) |  | — |
Other counterparties | 2,150 |  |  | (677 | ) |  | (676 | ) |  | 797 |
Total derivatives | 32,534 |  |  | (3,565 | ) |  | (27,347 | ) |  | 1,622 |
Repurchase agreements | 963,317 |  |  | — |  |  | (963,317 | ) |  | — |
Total | $ | 995,851 |  |  | $ | (3,565 | ) |  | $ | (990,664 | ) |  | $ | 1,622 |
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 March 31, 2017 and December 31, 2016 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
March 31, 2017 |  |  |  |  |  |  |  |  |
Repurchase agreements: |  |  |  |  |  |  |  |  |
U.S. Treasury | $ | 834,717 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 834,717 |
Residential mortgage-backed securities | 44,333 |  |  | — |  |  | — |  |  | — |  |  | 44,333 |
Total borrowings | $ | 879,050 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 879,050 |
Gross amount of recognized liabilities for repurchase agreements |  | $ | 879,050 |
Amounts related to agreements not included in offsetting disclosures above |  | $ | — |
December 31, 2016 |  |  |  |  |  |  |  |  |
Repurchase agreements: |  |  |  |  |  |  |  |  |
U.S. Treasury | $ | 841,475 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 841,475 |
Residential mortgage-backed securities | 121,842 |  |  | — |  |  | — |  |  | — |  |  | 121,842 |
Total borrowings | $ | 963,317 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 963,317 |
Gross amount of recognized liabilities for repurchase agreements |  | $ | 963,317 |
Amounts related to agreements not included in offsetting disclosures above |  | $ | — |

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