Statements of Consolidated Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statements of Consolidated Comprehensive Income - (unaudited) [Abstract]
Net income		$ 3,164	$ 2,187	$ 5,019	$ 4,452
Unrealized gains (losses) on investment securities:
Unrealized holding gains (losses) arising during period, net of tax (1)	[1]	534	886	1,166	3,219
Less adjustment for impaired investments, net of tax (2)	[2]	0	(96)	0	(96)
Less reclassification adjustment for gains realized in net income, net of tax (3)	[3]	182	485	182	727
Unrealized gains (losses) on investment securities, net of tax		352	497	984	2,588
Unrecognized benefit obligation expense:
Reclassification adjustment for amortization (4)	[4]	14	(51)	27	(154)
Unrecognized benefit obligation, net of tax		14	(51)	27	(154)
Unrealized gain (loss) on derivative instrument, net of tax (5)	[5]	(25)	(123)	20	(445)
Other comprehensive income (loss)		341	323	1,031	1,989
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total		3,505	2,510	6,050	6,441
Less net income (loss) attributable to noncontrolling interest		157	153	200	229
Comprehensive income		$ 3,348	$ 2,357	$ 5,850	$ 6,212

[1] Net of $274 thousand and $600 thousand in tax expense for the three and six months ended June 30, 2017, respectively, and $659 thousand and $1.9 million for the three and six months ended June 30, 2016, respectively.

[2] Gross amounts are included in total other-than-temporary impairment on AFS investment securities on the Consolidated Statements of Income in total non-interest income, net of $50 thousand in taxes for the three and six months ended June 30, 2016. See Note 14. Comprehensive Income.

[3] Gross amounts are included in net gains on the sale of AFS investment securities on the Consolidated Statements of Income in total non-interest income; amounts in the above table are net of $94 thousand in income taxes for the three and six months ended June 30, 2017 and $250 thousand and $375 thousand in taxes for the three and six months ended June 30, 2016, respectively. See Note 14. Comprehensive Income.

[4] Gross amounts are included in salaries and benefits on the Consolidated Statements of Income in non-interest expense.

[5] Net of a tax benefit of $13 thousand for the three months ended June 30, 2017 and a tax expense of $10 thousand for the six months ended June 30, 2017 and $63 thousand and $229 thousand in tax benefit for the three and six months ended June 30, 2016, respectively.