Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income	$ 3,556,000	$ 3,502,000	$ 9,736,000	$ 7,576,000
Other comprehensive income (loss):
Unrealized holding gain (loss) on available for sale securities arising during the period on securities held at end of period, net of tax of $961, $(1,634), $2,383 and $(613), respectively	1,784,000	(3,035,000)	4,426,000	(1,138,000)
Reclassification adjustment for prior period unrealized gain previously reported in other comprehensive income recognized during current period, net of tax of $65, $17, $70 and $54, respectively	(120,000)	(31,000)	(129,000)	(101,000)
Change in unfunded portion of postretirement benefit obligation, net of tax of $5, $8, $10 and $(657), respectively	9,000	15,000	18,000	(1,221,000)
Other comprehensive income (loss)	1,673,000	(3,051,000)	4,315,000	(2,460,000)
Comprehensive income	$ 5,229,000	$ 451,000	$ 14,051,000	$ 5,116,000