Borrowings (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Repurchase Agreements [Abstract]

Schedule of Repurchase Agreements

($ in thousands)
		OVERNIGHT		BETWEEN 2		BETWEEN 31
		(1 DAY OR		AND		AND
		LESS)		30 DAYS		90 DAYS			TOTAL
June 30, 2016
Fair market value of securities pledged, including
	accrued interest receivable	$	276,136	$	1,506,619	$	403,006	$	2,185,761
Repurchase agreement liabilities associated with
	these securities	$	261,357	$	1,419,188	$	380,282	$	2,060,827
Net weighted average borrowing rate			0.67%		0.70%		0.69%		0.69%
December 31, 2015
Fair market value of securities pledged, including
	accrued interest receivable	$	-	$	1,894,491	$	14,801	$	1,909,292
Repurchase agreement liabilities associated with
	these securities	$	-	$	1,789,338	$	9,475	$	1,798,813
Net weighted average borrowing rate			-		0.64%		1.19%		0.64%