Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2018

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, 2018
Securities available for sale:
Unrealized holding losses on securities	$	(10,609	)	$	(2,700	)	$	(7,909	)
Total securities available for sale	(10,609		)	(2,700		)	(7,909		)
Derivative instruments:
Unrealized holding gains on derivative instruments	1,151			293			858
Total derivative instruments	1,151			293			858
Defined benefit pension and post-retirement benefit plans:
Amortization of net actuarial loss recognized in net periodic pension cost	87			21			66
Total defined benefit pension and post-retirement benefit plans	87			21			66
Total other comprehensive loss	$	(9,371	)	$	(2,386	)	$	(6,985	)
Three months ended March 31, 2017
Securities available for sale:
Unrealized holding gains on securities	$	4,739		$	1,832		$	2,907
Amortization of unrealized holding gains on securities transferred to the held to maturity category	(246		)	(95		)	(151		)
Total securities available for sale	4,493			1,737			2,756
Derivative instruments:
Unrealized holding gains on derivative instruments	276			107			169
Total derivative instruments	276			107			169
Defined benefit pension and post-retirement benefit plans:
Amortization of net actuarial loss recognized in net periodic pension cost	113			44			69
Total defined benefit pension and post-retirement benefit plans	113			44			69
Total other comprehensive income	$	4,882		$	1,888		$	2,994

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

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

	March 31, 2018			December 31, 2017
Unrealized gains on securities	$	1,460		$	7,363
Non-credit related portion of other-than-temporary impairment on securities	(11,319		)	(9,313		)
Unrealized losses on derivative instruments	(137		)	(995		)
Unrecognized losses on defined benefit pension and post-retirement benefit plans obligations	(7,500		)	(7,566		)
Total accumulated other comprehensive loss	$	(17,496	)	$	(10,511	)