Short-term Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

Short-term Debt [Abstract]

Summary of Short-Term Borrowings

Short-term borrowings at December 31 were as follows:

	2019						2018						2017
	Ending Balance		Average Balance		Average Rate		Ending Balance		Average Balance		Average Rate		Ending Balance		Average Balance		Average Rate
	(dollars in thousands)
Federal funds purchased	$	—	$	8,069	2.53	%	$	11,000	$	8,801	2.05	%	$	—	$	6,225	1.24	%
Borrowings from FHLB	136,200		278,930		2.62		565,000		467,594		2.12		567,500		710,932		1.18
Securities sold under agreements to repurchase	65,653		104,548		0.75		145,823		142,562		0.44		139,966		150,234		0.24
Total	$	201,853	$	391,547	2.12		$	721,823	$	618,957	1.74		$	707,466	$	867,391	1.01
Maximum total at any month-end	$	670,831					$	811,026					$	967,259
Weighted average rate at year-end					1.41	%					2.17	%					1.27	%

Interest Expense on Short-Term Borrowings

Interest expense on short-term borrowings for the years ended December 31 is detailed below:

	2019		2018		2017
	(dollars in thousands)
Federal funds purchased	$	204	$	180	$	77
Borrowings from FHLB	7,313		9,929		8,360
Securities sold under agreements to repurchase	781		632		362
Total interest on short-term borrowings	$	8,298	$	10,741	$	8,799