Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Changes in the components of other comprehensive income (loss)

Changes in the components of other comprehensive income (loss), net of tax, were as follows for the periods presented:

	Pre-Tax		Tax Expense (Benefit)		Net of Tax
Three months ended March 31, 2023
Securities available for sale:
Unrealized holding gains on securities	$	20,714	$	5,183	$	15,531
Amortization of unrealized holding losses on securities transferred to the held to maturity category	3,128		800		2,328
Total securities available for sale	23,842		5,983		17,859
Derivative instruments:
Unrealized holding losses on derivative instruments	(1,656)		(424)		(1,232)
Reclassification adjustment for gains realized in net income	—		—		—
Total derivative instruments	(1,656)		(424)		(1,232)
Defined benefit pension and post-retirement benefit plans:
Amortization of net actuarial loss recognized in net periodic pension cost	116		30		86
Total defined benefit pension and post-retirement benefit plans	116		30		86
Total other comprehensive income	$	22,302	$	5,589	$	16,713
Three months ended March 31, 2022
Securities available for sale:
Unrealized holding losses on securities	$	(134,756)	$	(34,294)	$	(100,462)
Amortization of unrealized holding gains on securities transferred to the held to maturity category	(99)		(25)		(74)
Total securities available for sale	(134,855)		(34,319)		(100,536)
Derivative instruments:
Unrealized holding gains on derivative instruments	8,556		2,177		6,379
Total derivative instruments	8,556		2,177		6,379
Defined benefit pension and post-retirement benefit plans:
Amortization of net actuarial loss recognized in net periodic pension cost	42		11		31
Total defined benefit pension and post-retirement benefit plans	42		11		31
Total other comprehensive loss	$	(126,257)	$	(32,131)	$	(94,126)

Accumulated balances for each component of other comprehensive income (loss), net of tax

The accumulated balances for each component of other comprehensive loss, net of tax, were as follows as of the dates presented:

	March 31, 2023		December 31, 2022
Unrealized losses on securities	$	(201,907)	$	(219,766)
Unrealized gains on derivative instruments	17,724		18,956
Unrecognized losses on defined benefit pension and post-retirement benefit plans obligations	(8,141)		(8,227)
Total accumulated other comprehensive loss	$	(192,324)	$	(209,037)