Borrowings (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Borrowings [Abstract]

Schedule of Repurchase Agreements

($ in thousands)
		OVERNIGHT		BETWEEN 2		BETWEEN 31			GREATER
		(1 DAY OR		AND		AND			THAN
		LESS)		30 DAYS		90 DAYS			90 DAYS		TOTAL
December 31, 2016
Fair market value of securities pledged, including
	accrued interest receivable	$	-	$	2,284,815	$	686,065	$	-	$	2,970,880
Repurchase agreement liabilities associated with
	these securities	$	-	$	2,154,766	$	638,939	$	-	$	2,793,705
Net weighted average borrowing rate			-		1.01%		0.96%		-		1.00%
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%