Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Income Tax

Income taxes were as follows for the years ended December 31:

	2017		2016		2015
Current	$	5,414	$	6,449	$	5,191
Deferred		435		170		(410	)
Change in corporate tax rate		511		—		—
Income taxes	$	6,360	$	6,619	$	4,781

Effective Tax Rates Differ from Statutory Federal Income Tax Rate

Effective tax rates differ from the statutory federal income tax rate of 35% in 2017 and 2016 and 34% in 2015 due to the following:

	2017			2016			2015
Income taxes computed at the statutory federal tax    rate	$	7,781		$	8,343		$	5,959
Add (subtract) tax effect of:
Nontaxable interest income, net of nondeductible    interest expense		(1,107	)		(946	)		(900	)
Low income housing tax credit		(686	)		(435	)		(303	)
Cash surrender value of BOLI		(201	)		(197	)		(159	)
Change in corporate tax rate		511			—			—
Other		62			(146	)		184
Income tax expense	$	6,360		$	6,619		$	4,781

Summary of Deferred Tax Assets and Liabilities

Year-end deferred tax assets and liabilities were due to the following:

	2017			2016
Deferred tax assets
Allowance for loan losses	$	2,848		$	4,640
Deferred compensation		1,213			1,762
Intangible assets		95			187
Pension costs		—			277
Other		141			102
Deferred tax asset		4,297			6,968
Deferred tax liabilities
Tax depreciation in excess of book depreciation		(275	)		(97	)
Discount accretion on securities		(43	)		(58	)
Purchase accounting adjustments		(536	)		(1,091	)
FHLB stock dividends		(1,053	)		(1,705	)
Unrealized gain on securities available for sale		(847	)		(1,035	)
Pension costs		(293	)		—
Prepaids		(320	)		—
Other		(166	)		(256	)
Deferred tax liability		(3,533	)		(4,242	)
Net deferred tax asset	$	764		$	2,726