Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Summary of Information Relating to Securities Sold Under Agreements to Repurchase and Federal Funds Purchased

The following tables summarize information relating to securities sold under agreements to repurchase and federal funds purchased for the years presented. For purposes of the tables, the average amount outstanding was calculated based on a daily average.

Federal Funds Purchased	2017			2016			2015
	(dollars in thousands)
Balance at December 31	$	80,000		$	32,000		$	115,000
Interest rate at December 31	1.71		%	0.85		%	0.65		%
Maximum amount outstanding at any month-end during the year	$	168,784		$	133,434		$	130,000
Average amount outstanding during the year	$	13,264		$	8,708		$	22,734
Weighted average interest rate during the year	1.42		%	0.71		%	0.45		%

Securities Sold Under Agreements to Repurchase	2017			2016			2015
	(dollars in thousands)
Balance at December 31	$	44,936		$	24,354		$	36,234
Interest rate at December 31	0.02		%	0.02		%	0.02		%
Maximum amount outstanding at any month-end during the year	$	44,936		$	32,872		$	40,140
Average amount outstanding during the year	$	28,480		$	27,535		$	31,293
Weighted average interest rate during the year	0.03		%	0.03		%	0.03		%

Summary of FHLB Debt Matures

FHLB debt matures as follows (in thousands):

2018	$	50,896
2019	40,263
2020	50,881
2021	29,971
	$	172,011

Summary of Long-Term Securities Sold Under Agreements to Repurchase Mature