Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Comprehensive Income (Loss) [Table Text Block]

Details about Accumulated Other Comprehensive Income (Loss) Components	Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)									Affected Line Item in the Consolidated Statements of Income
	For the Year Ended December 31,
(dollars in thousands)	2021			2020			2019
Sale of investment securities available-for-sale	$	195		$	29		$	(280	)	Net gains (losses) on sale of investment securities
		(48	)		(6	)		79		Income tax expense
		147			23			(201	)
Net interest (expense)/income on swaps		(1,873	)		(1,577	)		677		Interest expense
		528			443			(190	)	Income tax expense
		(1,345	)		(1,134	)		487
Amortization of pension plan net actuarial gains/(losses)		(299	)		(301	)		(358	)	Salaries and employee benefits
		84			84			101		Income tax benefit
		(215	)		(217	)		(257	)
Total reclassification	$	(1,413	)	$	(1,328	)	$	29

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive (loss)/income as of December 31, 2021 and 2020 consisted of the following:

	2021			2020
	(dollars in thousands)
Investment securities available-for-sale, net of tax	$	(484	)	$	7,859
Cash flow hedge, net of tax		2,406			(1,520	)
Defined benefit pension and post-retirement plans, net of tax		(3,326	)		(3,542	)
Total	$	(1,404	)	$	2,797