Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Summary of Federal Funds Purchased and Other Short-term Borrowings

Short-term borrowings, which consist of federal funds purchased and other short-term borrowings are summarized as follows:

	At December 31, 2018						At December 31, 2017
	Federal Funds Purchased			Short-term Borrowings			Federal Funds Purchased			Short-term Borrowings
Outstanding balance at year end	$	—		$	188,600		$	—		$	56,900
Maximum indebtedness during the year		20,000			225,300			20,000			115,050
Average balance during the year		116			113,520			119			38,825
Average rate paid during the year		2.58	%		2.07	%		1.68	%		1.12	%
Interest rate on year end balance		—			2.45	%		—			1.42	%

	At December 31, 2016
	Federal Funds Purchased			Short-term Borrowings
Outstanding balance at year end	$	—		$	31,000
Maximum indebtedness during the year		20,000			70,400
Average balance during the year		116			10,483
Average rate paid during the year		0.86	%		0.42	%
Interest rate on year end balance		—			0.64	%