Statements of Consolidated Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Statements of Consolidated Comprehensive Income - (unaudited) [Abstract]
Net income		$ 1,855	$ 2,265
Unrealized gains (losses) on investment securities:
Unrealized holding gains (losses) arising during period, net of tax (1)	[1]	632	2,333
Less reclassification adjustment for gains realized in net income, net of tax (2)	[2]	0	242
Unrealized gains (losses) on investment securities, net of tax		632	2,091
Unrecognized benefit obligation expense:
Reclassification adjustment for amortization (3)	[3]	13	(103)
Unrecognized benefit obligation, net of tax		13	(103)
Unrealized gain (loss) on derivative instrument, net of tax (4)	[4]	45	(322)
Other comprehensive income (loss)		690	1,666
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total		2,545	3,931
Less net income (loss) attributable to noncontrolling interest		43	76
Comprehensive income		$ 2,502	$ 3,855

[1] Net of $326 thousand and $1.2 million in tax expense for the three months ended March 31, 2017 and 2016, respectively.

[2] 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 $125 thousand in income taxes for the three months ended March 31, 2016. See Note 14. Comprehensive Income.

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

[4] Net of $23 thousand in tax expense and $166 thousand tax benefit for the three months ended March 31, 2017 and 2016, respectively.