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Fair Value of Financial Instruments and Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
Schedule of Fair Value, by Balance Sheet Grouping | Fair value estimates of the Company’s financial instruments as of September 30, 2017 and December 31, 2016, including methods and assumptions utilized, are set forth below:
(Dollars in thousands) |  | As of September 30, 2017 |
|  | Carrying |  |  |  |  |  |  |  |  |  |  |  |  |
|  | amount |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 18,772 |  |  | $ | 18,772 |  |  | $ | - |  |  | $ | - |  |  | $ | 18,772 |
Investment securities available-for-sale |  |  | 389,388 |  |  |  | 5,337 |  |  |  | 384,051 |  |  |  | - |  |  |  | 389,388 |
Bank stocks, at cost |  |  | 5,384 |  |  |  | n/a |  |  |  | n/a |  |  |  | n/a |  |  |  | n/a |
Loans, net |  |  | 428,439 |  |  |  | - |  |  |  | - |  |  |  | 426,935 |  |  |  | 426,935 |
Loans held for sale, net |  |  | 8,583 |  |  |  | - |  |  |  | 8,583 |  |  |  | - |  |  |  | 8,583 |
Derivative financial instruments |  |  | 583 |  |  |  | - |  |  |  | 583 |  |  |  | - |  |  |  | 583 |
Accrued interest receivable |  |  | 4,406 |  |  |  | 16 |  |  |  | 2,034 |  |  |  | 2,356 |  |  |  | 4,406 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-maturity deposits |  | $ | (605,759 | ) |  | $ | (605,759 | ) |  | $ | - |  |  | $ | - |  |  |  | (605,759 | )
Time deposits |  |  | (127,251 | ) |  |  | - |  |  |  | (125,676 | ) |  |  | - |  |  |  | (125,676 | )
FHLB borrowings |  |  | (64,400 | ) |  |  | - |  |  |  | (64,646 | ) |  |  | - |  |  |  | (64,646 | )
Subordinated debentures |  |  | (21,434 | ) |  |  | - |  |  |  | (19,156 | ) |  |  | - |  |  |  | (19,156 | )
Other borrowings |  |  | (11,487 | ) |  |  | - |  |  |  | (11,487 | ) |  |  | - |  |  |  | (11,487 | )
Derivative financial instruments |  |  | (32 | ) |  |  | - |  |  |  | (32 | ) |  |  | - |  |  |  | (32 | )
Accrued interest payable |  |  | (270 | ) |  |  | - |  |  |  | (270 | ) |  |  | - |  |  |  | (270 | )
|  | As of December 31, 2016 |
|  | Carrying |  |  |  |  |  |  |  |  |  |  |  |  |
|  | amount |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 19,996 |  |  | $ | 19,996 |  |  | $ | - |  |  | $ | - |  |  | $ | 19,996 |
Investment securities available-for-sale |  |  | 385,563 |  |  |  | 7,123 |  |  |  | 378,440 |  |  |  | - |  |  |  | 385,563 |
Bank stocks, at cost |  |  | 5,299 |  |  |  | n/a |  |  |  | n/a |  |  |  | n/a |  |  |  | n/a |
Loans, net |  |  | 420,461 |  |  |  | - |  |  |  | - |  |  |  | 417,957 |  |  |  | 417,957 |
Loans held for sale |  |  | 5,517 |  |  |  | - |  |  |  | 5,517 |  |  |  | - |  |  |  | 5,517 |
Derivative financial instruments |  |  | 662 |  |  |  | - |  |  |  | 662 |  |  |  | - |  |  |  | 662 |
Accrued interest receivable |  |  | 4,240 |  |  |  | 21 |  |  |  | 2,104 |  |  |  | 2,115 |  |  |  | 4,240 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-maturity deposits |  | $ | (601,683 | ) |  | $ | (601,683 | ) |  | $ | - |  |  | $ | - |  |  | $ | (601,683 | )
Time deposits |  |  | (139,838 | ) |  |  | - |  |  |  | (138,623 | ) |  |  | - |  |  |  | (138,623 | )
FHLB borrowings |  |  | (39,100 | ) |  |  | - |  |  |  | (35,695 | ) |  |  | - |  |  |  | (35,695 | )
Subordinated debentures |  |  | (21,284 | ) |  |  | - |  |  |  | (18,608 | ) |  |  | - |  |  |  | (18,608 | )
Other borrowings |  |  | (12,483 | ) |  |  | - |  |  |  | (12,483 | ) |  |  | - |  |  |  | (12,483 | )
Accrued interest payable |  |  | (268 | ) |  |  | - |  |  |  | (268 | ) |  |  | - |  |  |  | (268 | )
Schedule of Fair Value, Assets Measured On Recurring Basis | The following table represents the Company’s financial instruments that are measured at fair value on a recurring basis at September 30, 2017 and December 31, 2016, allocated to the appropriate fair value hierarchy:
(Dollars in thousands) |  |  |  |  | As of September 30, 2017 |
|  |  |  |  | Fair value hierarchy |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale investment securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. treasury securities |  | $ | 5,014 |  |  | $ | 5,014 |  |  | $ | - |  |  | $ | - |
U. S. federal agency obligations |  |  | 20,343 |  |  |  | - |  |  |  | 20,343 |  |  |  | - |
Municipal obligations, tax exempt |  |  | 180,571 |  |  |  | - |  |  |  | 180,571 |  |  |  | - |
Municipal obligations, taxable |  |  | 60,154 |  |  |  | - |  |  |  | 60,154 |  |  |  | - |
Agency mortgage-backed securities |  |  | 113,759 |  |  |  | - |  |  |  | 113,759 |  |  |  | - |
Certificates of deposit |  |  | 9,224 |  |  |  | - |  |  |  | 9,224 |  |  |  | - |
Common stocks |  |  | 323 |  |  |  | 323 |  |  |  | - |  |  |  | - |
Loans held for sale |  |  | 8,583 |  |  |  | - |  |  |  | 8,583 |  |  |  | - |
Derivative financial instruments |  |  | 583 |  |  |  | - |  |  |  | 583 |  |  |  | - |
Liabililty: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative financial instruments |  |  | (32 | ) |  |  | - |  |  |  | (32 | ) |  |  | - |
(Dollars in thousands) |  |  |  |  | As of December 31, 2016 |
|  |  |  |  | Fair value hierarchy |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale investment securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. treasury securities |  | $ | 6,015 |  |  | $ | 6,015 |  |  | $ | - |  |  | $ | - |
U. S. federal agency obligations |  |  | 27,139 |  |  |  | - |  |  |  | 27,139 |  |  |  | - |
Municipal obligations, tax exempt |  |  | 161,662 |  |  |  | - |  |  |  | 161,662 |  |  |  | - |
Municipal obligations, taxable |  |  | 71,563 |  |  |  | - |  |  |  | 71,563 |  |  |  | - |
Agency mortgage-backed securities |  |  | 108,376 |  |  |  | - |  |  |  | 108,376 |  |  |  | - |
Certificates of deposit |  |  | 9,700 |  |  |  | - |  |  |  | 9,700 |  |  |  | - |
Common stocks |  |  | 1,108 |  |  |  | 1,108 |  |  |  | - |  |  |  | - |
Loans held for sale |  |  | 5,517 |  |  |  | - |  |  |  | 5,517 |  |  |  | - |
Derivative financial instruments |  |  | 662 |  |  |  | - |  |  |  | 662 |  |  |  | - |
Schedule of Fair Value Contractual Balance and Gain Loss On Loans Held for Sale | The aggregate fair value, contractual balance (including accrued interest), and gains on loans held for sale were as follows:
|  | As of |  |  | As of |
|  | September 30, |  |  | December 31, |
(Dollars in thousands) |  | 2017 |  |  | 2016 |
Aggregate fair value |  | $ | 8,583 |  |  | $ | 5,517 |
Contractual balance |  |  | 8,463 |  |  |  | 5,480 |
Gain |  | $ | 120 |  |  | $ | 37 |
Schedule of Gains and Losses from Changes in Fair Value of Loans Held for Sale | The total amount of gains from changes in fair value of loans held for sale included in earnings were as follows:
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
(Dollars in thousands) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Interest income |  | $ | 73 |  |  | $ | 87 |  |  | $ | 197 |  |  | $ | 297 |
Change in fair value |  |  | (86 | ) |  |  | (126 | ) |  |  | 83 |  |  |  | (110 | )
Total change in fair value |  | $ | (13 | ) |  | $ | (39 | ) |  | $ | 280 |  |  | $ | 187 |
Schedule of Fair Value, Assets and Liabilities Measured On Nonrecurring Basis, Valuation Techniques | The following table represents the Company’s financial instruments that are measured at fair value on a non-recurring basis as of September 30, 2017 and December 31, 2016 allocated to the appropriate fair value hierarchy:
(Dollars in thousands) |  |  |  |  | As of September 30, 2017 |  |  | Total |
|  |  |  |  | Fair value hierarchy |  |  | gains/ |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | (losses) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  | $ | 20 |  |  | $ | - |  |  | $ | - |  |  | $ | 20 |  |  | $ | (15 | )
Construction and land |  |  | 162 |  |  |  | - |  |  |  | - |  |  |  | 162 |  |  |  | (36 | )
Commercial real estate |  |  | 7 |  |  |  | - |  |  |  | - |  |  |  | 7 |  |  |  | 14 |
Commercial |  |  | 172 |  |  |  | - |  |  |  | - |  |  |  | 172 |  |  |  | 52 |
Agriculture |  |  | 286 |  |  |  | - |  |  |  | - |  |  |  | 286 |  |  |  | (38 | )
Real estate owned: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  |  | 149 |  |  |  | - |  |  |  | - |  |  |  | 149 |  |  |  | (26 | )
|  |  |  |  | As of December 31, 2016 |  |  | Total |
|  |  |  |  | Fair value hierarchy |  |  | (losses)/ |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | gains |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 219 |  |  | $ | - |  |  | $ | - |  |  | $ | 219 |  |  | $ | (81 | )
Commercial |  |  | 222 |  |  |  | - |  |  |  | - |  |  |  | 222 |  |  |  | (87 | )
Agriculture |  |  | 645 |  |  |  | - |  |  |  | - |  |  |  | 645 |  |  |  | (89 | )
Real estate owned: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  |  | 142 |  |  |  | - |  |  |  | - |  |  |  | 142 |  |  |  | (34 | )
Schedule of Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques | The following table presents quantitative information about Level 3 fair value measurements for impaired loans measured at fair value on a non-recurring basis as of September 30, 2017 and December 31, 2016.
(Dollars in thousands) |  | Fair value |  |  | Valuation technique |  | Unobservable inputs |  | Range |
As of September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  | $ | 20 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 7%-40 | %
Construction and land |  |  | 162 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 6%-35 | %
Commercial real estate |  |  | 7 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 5%-40 | %
Commercial |  |  | 172 |  |  | Sales comparison |  | Adjustment to comparable sales |  |  | 15%-20 | %
Agriculture |  |  | 286 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 10%-25 | %
Real estate owned: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  |  | 149 |  |  | Sales comparison |  | Adjustment to comparable sales |  |  | 10 | %
As of December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 219 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 2%-15 | %
Commercial |  |  | 222 |  |  | Sales comparison |  | Adjustment to comparable sales |  |  | 7%-80 | %
Agriculture |  |  | 645 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 8%-80 | %
Real estate owned: |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  |  | 142 |  |  | Sales comparison |  | Adjustment to appraised value |  |  | 10 | %

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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