Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

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

Schedule of Changes in Accumulated Other Comprehensive Income

Changes in accumulated other comprehensive income (loss) for the three months ended March 31, 2018 and the year ended December 31, 2017 are as follows (in thousands):

	Unrealized Gains and Losses on Available-for-Sale Securities			Changes in Pension Plan Assets and Benefit Obligations			Total
Three Months Ended March 31, 2018:
Balance at beginning of period	$	(2,200	)	$	(142	)	$	(2,342	)
Cumulative effect of changes in accounting principles	(498		)	(27		)	(525		)
Balance at beginning of period, as adjusted	(2,698		)	(169		)	(2,867		)
Before reclassifications	(2,979		)	3			(2,976		)
Reclassifications	—			—			—
Balance at end of period	$	(5,677	)	$	(166	)	$	(5,843	)
Year Ended December 31, 2017:
Balance at beginning of period	$	(2,633	)	$	16		$	(2,617	)
Before reclassifications	585			(158		)	427
Reclassifications	(152		)	—			(152		)
Balance at end of period	$	(2,200	)	$	(142	)	$	(2,342	)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income