Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 1,517	$ 1,773	$ 6,559	$ 5,842
Other comprehensive income (loss):
Unrealized gains (losses) arising during the period on available-for-sale securities	5,762	(521)	1,688	13,036
Tax effect	(2,204)	199	(645)	(4,986)
Unrealized gains (losses) arising during the period on available-for-sale securities, net of tax	3,558	(322)	1,043	8,050
Reclassification adjustment for gain on available-for-sale securities included in net income	0	(34)	0	(754)
Tax effect	0	13	0	288
Reclassification adjustment for gain on available-for-sale securities included in net income, net of tax	0	(21)	0	(466)
Change in defined benefit plans liability	(105)	0	(105)	0
Tax effect	40	0	40	0
Change in defined benefit plans liability, net of tax	65	0	65	0
Unrealized loss on interest rate swaps	(741)	344	(843)	(29)
Tax effect	283	(132)	322	11
Unrealized loss on interest rate swaps, net of tax	(458)	212	(521)	(18)
Reclassification adjustment for loss on interest rate swaps included in net income	2	0	8	0
Tax effect	(1)	0	(3)	0
Reclassification adjustment for loss on interest rate swaps included in net income, net of tax	1	0	5	0
Other comprehensive income (loss), net of tax	3,036	(131)	462	7,566
Comprehensive income	$ 4,553	$ 1,642	$ 7,021	$ 13,408