Entity information:
12. Income Taxes
 
The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction and Wisconsin and Minnesota. The Company is no longer subject to U.S. federal and state income tax examinations for years prior to 2013 and 2012, respectively. If any interest and/or penalties would be imposed by an appropriate taxing authority, the Company would report the interest component as a reduction of income before income taxes and would report penalties through income tax expense. The Company had no material uncertain tax positions and had not recorded a liability for unrecognized tax benefits as of or during the three years ended December 31, 2016.
 
The Company’s provision for income taxes consists of the following for the periods indicated:
 
 
 
Year Ended December 31
 
 
 
2016
 
 
2015
 
 
2014
 
Current income tax expense:
 
 
 
 
 
 
 
 
 
 
 
 
Federal
 
$
6,835
 
 
$
201
 
 
$
476
 
State
 
 
152
 
 
 
6
 
 
 
824
 
Current income tax expense
 
 
6,987
 
 
 
207
 
 
 
1,300
 
Deferred income tax expense:
 
 
 
 
 
 
 
 
 
 
 
 
Federal
 
 
1,253
 
 
 
6,450
 
 
 
5,888
 
State
 
 
1,872
 
 
 
1,678
 
 
 
1,662
 
Deferred income tax expense
 
 
3,125
 
 
 
8,128
 
 
 
7,550
 
Income tax expense
 
$
10,112
 
 
$
8,335
 
 
$
8,850
 
 
Income tax expense differs from the provision computed at the federal statutory corporate rate as follows:
 
 
 
Year Ended December 31
 
 
 
2016
 
 
2015
 
 
2014
 
Income before income taxes
 
$
27,066
 
 
$
22,512
 
 
$
23,504
 
Tax expense at federal statutory rate
 
$
9,473
 
 
$
7,879
 
 
$
8,230
 
Increase (decrease) in taxes resulting from:
 
 
 
 
 
 
 
 
 
 
 
 
State income taxes, net of federal tax benefit
 
 
1,316
 
 
 
1,095
 
 
 
1,095
 
Bank-owned life insurance
 
 
(636)
 
 
 
(654)
 
 
 
(977)
 
State income tax settlement, net of federal benefit
 
 
 
 
 
 
 
 
518
 
Other
 
 
(41)
 
 
 
15
 
 
 
(16)
 
Income tax expense
 
$
10,112
 
 
$
8,335
 
 
$
8,850
 
 
Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The significant components of the Company’s deferred tax assets and liabilities are summarized as follows:
 
 
 
December 31
 
 
 
2016
 
 
2015
 
Deferred tax assets:
 
 
 
 
 
 
 
 
Loan loss reserves
 
$
8,005
 
 
$
7,082
 
Pension
 
 
7,177
 
 
 
7,407
 
State net operating losses
 
 
2,073
 
 
 
3,532
 
Deferred compensation
 
 
1,719
 
 
 
1,766
 
Non-deductible losses on foreclosed real estate
 
 
1,008
 
 
 
1,431
 
Restricted stock amortization
 
 
589
 
 
 
458
 
Unrealized loss on investment securities
 
 
213
 
 
 
 
Other-than-temporary impairment of investment securities
 
 
185
 
 
 
237
 
Federal net operating losses and AMT credits
 
 
 
 
 
3,136
 
Other
 
 
1,489
 
 
 
1,317
 
Total deferred tax assets
 
 
22,458
 
 
 
26,366
 
Deferred tax liabilities:
 
 
 
 
 
 
 
 
Mortgage servicing rights
 
 
2,636
 
 
 
2,892
 
Purchase accounting adjustments
 
 
2,325
 
 
 
2,575
 
Property and equipment depreciation
 
 
1,332
 
 
 
2,395
 
FHLB stock dividends
 
 
1,200
 
 
 
1,200
 
Unrealized gain on investment securities
 
 
 
 
 
483
 
Other
 
 
422
 
 
 
336
 
Total deferred tax liabilities
 
 
7,915
 
 
 
9,881
 
Net deferred tax asset
 
$
14,543
 
 
$
16,485
 
 
As of December 31, 2016, the Company had $40,387 in net operating loss carryovers for state income tax purposes. The net operating loss carryovers expire in various years through 2031 if unused.