Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Summary of Components of Other Comprehensive Income

The table below provides a summary of the components of other comprehensive income (“OCI”) for the periods presented.

	Three Months Ended June 30,
	2022									2021
	Before-tax			Tax effect			After-tax			Before-tax		Tax effect			After-tax
	(Dollars in thousands)
Investment securities:
Net change in fair value recorded in accumulated OCI	$	(142,883	)	$	42,241		$	(100,642	)	$	8,917	$	(2,636	)	$	6,281
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		93			(28	)		65			20		(6	)		14
Net change	$	(142,790	)	$	42,213		$	(100,577	)	$	8,937	$	(2,642	)	$	6,295

	Six Months Ended June 30,
	2022									2021
	Before-tax			Tax effect			After-tax			Before-tax			Tax effect			After-tax
	(Dollars in thousands)
Investment securities:
Net change in fair value recorded in accumulated OCI	$	(344,955	)	$	101,981		$	(242,974	)	$	(31,474	)	$	9,305		$	(22,169	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		147			(44	)		103			101			(30	)		71
Net change	$	(344,809	)	$	101,938		$	(242,871	)	$	(31,373	)	$	9,275		$	(22,098	)