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Note 8 - Employee Benefit Plans - Defined Benefit Plan Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Fair value of plan assets at beginning of year |  | $ 25,007 |  |
Fair value of plan assets at end of year |  | 32,415 | $ 25,007 |
Pension Plan [Member] |  |  |  |
Projected benefit obligation at beginning of year |  | 29,641 | 23,688 | $ 23,492
Service cost (1) | [1] | 1,080 | 801 | 868
Interest cost |  | 820 | 884 | 802
Actuarial loss (gain) |  | 4,621 | 5,162 | (423)
Benefits paid |  | (1,310) | (894) | (1,051)
Projected benefit obligation at end of year |  | 34,852 | 29,641 | 23,688
Fair value of plan assets at beginning of year |  | 25,007 | 21,786 | 23,428
Actual return on plan assets |  | 3,718 | 4,115 | (591)
Employer contribution |  | 5,000 |  |
Benefits paid |  | (1,310) | (894) | (1,051)
Fair value of plan assets at end of year |  | 32,415 | 25,007 | 21,786
Funded status at the end of the year |  | (2,437) | (4,634) | (1,902)
Deferred tax asset |  | 512 | 973 | 399
Other liabilities |  | (2,437) | (4,634) | (1,902)
Total amounts recognized in the Consolidated Balance Sheet |  | (1,925) | (3,661) | (1,503)
Net loss |  | (12,855) | (10,983) | (9,107)
Prior service cost |  | 11 | 120 | 230
Deferred tax asset |  | 2,697 | 2,281 | 1,864
Amount recognized |  | (10,147) | (8,582) | (7,013)
Benefit obligation |  | (34,852) | (29,641) | (23,688)
Fair value of assets |  | 32,415 | 25,007 | 21,789
Unrecognized net actuarial loss |  | 12,855 | 10,983 | 9,107
Unrecognized prior service cost |  | (11) | (120) | (230)
Deferred tax liability |  | (2,185) | (1,308) | (1,465)
Prepaid benefit cost included in other assets |  | 8,222 | 4,921 | 5,510
Expected return on plan assets |  | (1,679) | (1,461) | (1,601)
Amortization of prior service cost |  | (110) | (110) | (110)
Recognized net actuarial loss |  | 710 | 632 | 585
Net periodic benefit cost |  | 821 | 746 | 544
Net loss |  | 1,871 | 1,876 | 1,184
Amortization of prior service cost |  | 110 | 110 | 110
Deferred income tax benefit |  | (416) | (417) | (272)
Total recognized |  | 1,565 | 1,569 | 1,022
Total recognized in net periodic benefit cost and other comprehensive income |  | $ 2,802 | $ 2,732 | $ 1,838
Discount rate used for net periodic pension cost |  | 3.00% | 4.00% | 3.50%
Discount rate used for disclosure |  | 2.25% | 3.00% | 4.00%
Expected return on plan assets |  | 7.50% | 7.50% | 7.50%
Rate of compensation increase |  | 3.00% | 3.00% | 3.00%
[1] | Cost is included in Salaries and Employee Benefits expense.

X
- Definition Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans, including deferred tax assets. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset (liability) attributable to deductible temporary differences from pension and other postretirement benefits. + References No definition available. + Details
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