December 31, (dollars in thousands)

2017

2016

Repurchase agreements, ending balance

$

1,668

$

5,535

Repurchase agreements, average balance during period

2,517

3,770

Book value of collateral

4,737

5,507

Market value of collateral

4,725

5,540

Weighted average rate during period

0.20

%

0.16

%

Weighted average maturity

1 day