Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Securities Sold Under Repurchase Agreements

The following table presents the securities sold under repurchase agreements by collateral pledged at December 31, 2017 and 2016 ($ in thousands):

	December 31,
	2017		2016
Mortgage-backed securities
Other residential mortgage-backed securities
Issued or guaranteed by FNMA, FHLMC or GNMA	$	68,246	$	75,795
Commercial mortgage-backed securities
Issued or guaranteed by FNMA, FHLMC or GNMA		50,448		51,212
Total securities sold under repurchase agreements	$	118,694	$	127,007

Summary of Short-Term Borrowings

At December 31, 2017 and 2016, short-term borrowings consisted of the following ($ in thousands):

	December31,
	2017		2016
FHLB advances	$	900,013	$	700,008
Serviced GNMA loans eligible for repurchase		48,211		43,925
Other		22,825		25,845
Total short-term borrowings	$	971,049	$	769,778