Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income	$ 4,357,000	$ 4,163,000	$ 8,172,000	$ 8,451,000
Unrealized (losses) gains on available-for-sale securities:
Unrealized holding (losses) gains on available-for-sale securities	(4,572,000)	4,523,000	(847,000)	9,857,000
Reclassification adjustment for gains realized in income	(932,000)	(103,000)	(1,006,000)	(134,000)
Other comprehensive (loss) gain on available-for-sale securities	(5,504,000)	4,420,000	(1,853,000)	9,723,000
Unfunded pension and postretirement obligations:
Changes from plan amendments and actuarial gains and losses included in accumulated other comprehensive (loss) gain	0	3,000	(100,000)	144,000
Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost	(5,000)	(4,000)	(8,000)	(8,000)
Other comprehensive (loss) gain on unfunded retirement obligations	(5,000)	(1,000)	(108,000)	136,000
Other comprehensive (loss) income before income tax	(5,509,000)	4,419,000	(1,961,000)	9,859,000
Income tax related to other comprehensive loss (income)	1,929,000	(1,545,000)	687,000	(3,450,000)
Net other comprehensive (loss) income	(3,580,000)	2,874,000	(1,274,000)	6,409,000
Comprehensive income	$ 777,000	$ 7,037,000	$ 6,898,000	$ 14,860,000