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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |  |  |
Net earnings |  | $ 12,236,000 | $ 9,878,000 | $ 18,011,000
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |  |
Provision for credit losses |  | 349,000 |  | 500,000
Valuation allowance on real estate owned |  | 6,000 | 354,000 | 48,000
Amortization of investment security premiums, net |  | 240,000 | 1,481,000 | 2,078,000
Accretion of purchase accounting adjustments |  | (993,000) | (460,000) | (55,000)
Amortization of mortgage servicing rights and intangibles |  | 1,844,000 | 1,446,000 | 1,601,000
Depreciation |  | 1,270,000 | 1,134,000 | 997,000
Increase in cash surrender value of bank owned life insurance | [1] | (913,000) | (780,000) | (686,000)
Stock-based compensation |  | 352,000 | 295,000 | 323,000
Deferred income taxes |  | 404,000 | (1,190,000) | 808,000
Net loss (gain) on investment securities |  | 1,246,000 | 1,103,000 | (1,138,000)
Net (gain) loss on sales of premises and equipment and foreclosed assets |  | (1,000) | (114,000) | 5,000
Net gains on sales of loans | [1] | (2,269,000) | (3,444,000) | (10,487,000)
Proceeds from sale of loans |  | 80,475,000 | 145,923,000 | 344,187,000
Origination of loans held for sale |  | (76,995,000) | (140,990,000) | (324,908,000)
Changes in assets and liabilities: |  |  |  |
Accrued interest and other assets |  | (1,276,000) | 5,146,000 | 611,000
Accrued interest, expenses and other liabilities |  | (3,371,000) | 4,998,000 | (736,000)
Net cash provided by operating activities |  | 12,604,000 | 24,780,000 | 31,159,000
Cash flows from investing activities: |  |  |  |
Net (increase) decrease in loans |  | (97,361,000) | (73,571,000) | 47,840,000
Net change in interest-bearing deposits at banks |  | 4,150,000 | (1,728,000) | (1,918,000)
Maturities and prepayments of investment securities |  | 54,537,000 | 53,877,000 | 60,904,000
Purchases of investment securities |  | (29,112,000) | (226,336,000) | (174,748,000)
Proceeds from sale of available-for-sale securities |  | 20,913,000 | 52,597,000 | 16,623,000
Redemption of bank stocks |  | 11,192,000 | 4,208,000 | 2,418,000
Purchase of bank stocks |  | (13,845,000) | (6,074,000) | (850,000)
Net cash paid in bank acquisition |  |  | (572,000) |
Proceeds from sales of premises and equipment and foreclosed assets |  | 7,000 | 1,379,000 | 601,000
Purchase of bank owned life insurance |  |  |  | (6,000,000)
Premiums paid on bank owned life insurance |  | (97,000) | (63,000) |
Purchases of premises and equipment, net |  | (995,000) | (876,000) | (1,324,000)
Net cash used in investing activities |  | (50,611,000) | (197,159,000) | (56,454,000)
Cash flows from financing activities: |  |  |  |
Net increase in deposits |  | 15,591,000 | 1,758,000 | 132,454,000
Federal Home Loan Bank advance borrowings |  | 727,629,000 | 327,360,000 |
Federal Home Loan Bank advance repayments |  | (677,815,000) | (326,160,000) |
Proceeds from other borrowings |  |  | 10,065,000 |
Repayments on other borrowings |  | (2,352,000) | (1,065,000) |
Change in repurchase agreements |  | (16,688,000) | (199,000) | 1,032,000
Proceeds from exercise of stock options |  | 52,000 |  | 22,000
Payment of dividends |  | (4,390,000) | (4,198,000) | (3,818,000)
Purchase of treasury stock |  | (75,000) | (1,239,000) |
Net cash provided by financing activities |  | 41,952,000 | 6,322,000 | 129,690,000
Net increase (decrease) in cash and cash equivalents |  | 3,945,000 | (166,057,000) | 104,395,000
Cash and cash equivalents at beginning of year |  | 23,156,000 | 189,213,000 | 84,818,000
Cash and cash equivalents at end of year |  | 27,101,000 | 23,156,000 | 189,213,000
Supplemental disclosure of cash flow information: |  |  |  |
Cash payments paid during the year for income taxes |  | 55,000 | 1,104,000 | 4,458,000
Cash paid during the year for interest |  | 19,851,000 | 4,032,000 | 1,549,000
Cash paid during the year for operating leases |  | 156,000 | 175,000 | 141,000
Supplemental schedule of noncash investing and financing activities: |  |  |  |
Transfer of loans to real estate owned |  |  |  | 1,264,000
Transfer of premises and equipment to real estate held for sale |  | 4,343,000 |  |
Operating lease asset and related liability recorded |  | 61,000 |  | 219,000
Bank acquisition: |  |  |  |
Fair value of liabilities assumed |  |  | 181,350,000 |
Fair value of assets acquired |  |  | $ 200,033,000 |
[1] | Not within the scope of ASC 606.

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- Definition Value transferred from mortgage loans to real estate owned (REO) in noncash transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_TransferToOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration