Securities Purchased under Resale Agreements and Sold under Repurchase Agreements (Tables)

3 Months Ended

Mar. 31, 2017

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 Sheets as of March 31, 2017 and December 31, 2016:

($ in thousands)	As of March 31, 2017
	Gross Amounts of Recognized Assets		Gross Amounts Offset on the Consolidated Balance Sheets			Net Amounts of Assets Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
Assets								Financial Instruments				Collateral Pledged				Net Amount
Resale agreements	$	1,900,000	$	(250,000	)	$	1,650,000	$	(150,000	)	(1)	$	(1,488,939	)	(2)	$	11,061
	Gross Amounts of Recognized Liabilities		Gross Amounts Offset on the Consolidated Balance Sheets			Net Amounts of Liabilities Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
Liabilities								Financial Instruments				Collateral  Posted				Net Amount
Repurchase agreements	$	450,000	$	(250,000	)	$	200,000	$	(150,000	)	(1)	$	(50,000	)	(3)	$	—

($ in thousands)	As of December 31, 2016
	Gross Amounts of Recognized Assets		Gross Amounts Offset on the Consolidated Balance Sheets			Net Amounts of Assets Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
Assets								Financial Instruments				Collateral Pledged				Net Amount
Resale agreements	$	2,100,000	$	(100,000	)	$	2,000,000	$	(150,000	)	(1)	$	(1,839,120	)	(2)	$	10,880
	Gross Amounts of Recognized Liabilities		Gross Amounts Offset on the Consolidated Balance Sheets			Net Amounts of Liabilities Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
Liabilities								Financial Instruments				Collateral  Posted				Net Amount
Repurchase agreements	$	450,000	$	(100,000	)	$	350,000	$	(150,000	)	(1)	$	(200,000	)	(3)	$	—

(1) Represents financial instruments subject to enforceable master netting arrangements that are not eligible to be offset under ASC 210-20-45 but would be eligible for offsetting to the extent that an event of default has occurred.

(2) 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.

(3) 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.