Statements of Consolidated Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statements of Consolidated Comprehensive Income - (unaudited) [Abstract]
Net income		$ 2,373	$ 2,143	$ 7,392	$ 6,595
Unrealized gains (losses) on investment securities:
Unrealized holding gains (losses) arising during period, net of tax (1)	[1]	(120)	(877)	1,046	2,342
Less adjustment for impaired investments, net of tax (2)	[2]	0	(23)	0	(119)
Less reclassification adjustment for gains realized in net income, net of tax (3)	[3]	21	185	203	912
Unrealized gains (losses) on investment securities, net of tax		(141)	(1,039)	843	1,549
Unrecognized benefit obligation expense:
Reclassification adjustment for amortization (4)	[4]	12	(78)	39	(232)
Unrecognized benefit obligation, net of tax		12	(78)	39	(232)
Unrealized gain (loss) on derivative instrument, net of tax (5)	[5]	37	131	57	(314)
Other comprehensive income (loss)		(92)	(986)	939	1,003
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total		2,281	1,157	8,331	7,598
Less net income (loss) attributable to noncontrolling interest		98	113	298	342
Comprehensive income		$ 2,183	$ 1,044	$ 8,033	$ 7,256

[1] Net of a tax benefit of $65 thousand and $537 thousand in tax expense for the three and nine months ended September 30, 2017, respectively, and a tax benefit of $454 thousand and $1.4 million in tax expense for the three and nine months ended September 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 $12 thousand and $62 thousand in taxes for the three and nine months ended September 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 $11 thousand and $105 thousand in income taxes for the three and nine months ended September 30, 2017, respectively and $95 thousand and $470 thousand in taxes for the three and nine months ended September 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 expense of $19 thousand and $29 thousand for the three and nine months ended September 30, 2017, respectively and a tax expense of $68 thousand and $161 thousand in tax benefit for the three and nine months ended September 30, 2016, respectively.