Securities Sold Under Agreements to Repurchase (Tables)

6 Months Ended

Jun. 30, 2018

Transfers and Servicing [Abstract]

Schedule of Securities Sold under Agreements to Repurchase and Related Weighted-Average Interest Rates

The following table presents securities sold under agreements to repurchase and related weighted-average interest rates at or for the six months ended June 30:

(dollars in thousands)	2018			2017
Outstanding at June 30,	$	347,511		$	298,094
Average amount outstanding		337,612			330,285
Maximum amount outstanding at any month-end		347,511			351,897
Weighted average interest rate:
During the six months ended June 30,		0.47	%		0.36	%
At June 30,		0.59			0.41

Schedule of Remaining Contractual Maturity of Secured Borrowings and Class of Collateral Pledged Under Repurchase Agreements

The following table presents the contractual maturity of our secured borrowings and class of collateral pledged:

	At June 30, 2018
	Remaining Contractual Maturity of the Agreements
(dollars in thousands)	Overnight and Continuous		Up to 30 Days		30-90 Days		Greater Than 90 days		Total
Repurchase Agreements:
U.S. Treasury and agency securities	$	347,511	$	—	$	—	$	—	$	347,511
Total	$	347,511	$	—	$	—	$	—	$	347,511