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Securities Purchased under Resale Agreements and Sold under Repurchase Agreements (Tables) | 3 Months Ended
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Mar. 31, 2018
Resale and Repurchase Agreements [Abstract] |
Schedule of balance sheet offsetting for resale and repurchase agreements | The following tables present the resale and repurchase agreements included on the Consolidated Balance Sheet as of March 31, 2018 and December 31, 2017:
($ in thousands) |  | As of March 31, 2018
|  | Gross Amounts of Recognized Assets |  | Gross Amounts Offset on the Consolidated Balance Sheet |  | Net Amounts of Assets Presented on the Consolidated Balance Sheet |  | Gross Amounts Not Offset on the Consolidated Balance Sheet |  |
Assets |  |  |  |  | Financial Instruments |  | Collateral Received |  | Net Amount
Resale agreements |  | $ | 1,450,000 |  |  | $ | (400,000 | ) |  | $ | 1,050,000 |  |  | $ | — |  |  | $ | (1,037,413 | ) | (1) | $ | 12,587 |
|  | Gross Amounts of Recognized Liabilities |  | Gross Amounts Offset on the Consolidated Balance Sheet |  | Net Amounts of Liabilities Presented on the Consolidated Balance Sheet |  | Gross Amounts Not Offset on the Consolidated Balance Sheet |  |
Liabilities |  |  |  |  | Financial Instruments |  | Collateral Pledged |  | Net Amount
Repurchase agreements |  | $ | 450,000 |  |  | $ | (400,000 | ) |  | $ | 50,000 |  |  | $ | — |  |  | $ | (50,000 | ) | (2) | $ | — |
($ in thousands) |  | As of December 31, 2017
|  | Gross Amounts of Recognized Assets |  | Gross Amounts Offset on the Consolidated Balance Sheet |  | Net Amounts of Assets Presented on the Consolidated Balance Sheet |  | Gross Amounts Not Offset on the Consolidated Balance Sheet |  |
Assets |  |  |  |  | Financial Instruments |  | Collateral Received |  | Net Amount
Resale agreements |  | $ | 1,450,000 |  |  | $ | (400,000 | ) |  | $ | 1,050,000 |  |  | $ | — |  |  | $ | (1,045,696 | ) | (1) | $ | 4,304 |
|  | Gross Amounts of Recognized Liabilities |  | Gross Amounts Offset on the Consolidated Balance Sheet |  | Net Amounts of Liabilities Presented on the Consolidated Balance Sheet |  | Gross Amounts Not Offset on the Consolidated Balance Sheet |  |
Liabilities |  |  |  |  | Financial Instruments |  | Collateral Pledged |  | Net Amount
Repurchase agreements |  | $ | 450,000 |  |  | $ | (400,000 | ) |  | $ | 50,000 |  |  | $ | — |  |  | $ | (50,000 | ) | (2) | $ | — |
(1) | Represents the fair value of securities the Company has received under resale agreements, limited for table presentation purposes to the amount of the recognized asset due from each counterparty.
(2) | Represents the fair value of securities the Company has pledged under repurchase agreements, limited for table presentation purposes to the amount of the recognized liability owed to each counterparty.

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- Definition Tabular disclosure of resale agreements and repurchase agreements that are subject to offsetting, including master netting arrangements. + References No definition available. + Details
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- Definition Resale and Repurchase Agreements [Abstract] + References No definition available. + Details
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