Wilson Bank Holding (WBHC) 10-Q 8 May 20 2020 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2020	May 08, 2020
Document Information [Line Items]
Entity Central Index Key	0000885275
Entity Registrant Name	WILSON BANK HOLDING CO
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2020
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	0-20402
Entity Incorporation, State or Country Code	TN
Entity Tax Identification Number	62-1497076
Entity Address, Address Line One	623 West Main Street
Entity Address, City or Town	Lebanon
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37087
City Area Code	615
Local Phone Number	444-2265
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		10,892,190

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Loans	$ 2,162,012	$ 2,085,901
Less: Allowance for loan losses	(30,281)	(28,726)
Net loans	2,131,731	2,057,175
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	407,224	421,145
Loans held for sale	22,183	18,179
Interest bearing deposits	134,460	126,827
Restricted equity securities	4,680	4,680
Federal funds sold	25,975	20,000
Total earning assets	2,726,253	2,648,006
Cash and due from banks	16,782	12,943
Bank premises and equipment, net	59,762	60,295
Accrued interest receivable	7,027	5,945
Deferred income tax asset	4,730	6,136
Other real estate	697	697
Bank owned life insurance	31,945	31,762
Other assets	25,042	23,620
Goodwill	4,805	4,805
Total assets	2,877,043	2,794,209
Liabilities and Stockholders’ Equity
Deposits	2,485,537	2,417,605
Federal Home Loan Bank advances	20,808	23,613
Accrued interest and other liabilities	21,701	16,007
Total liabilities	2,528,046	2,457,225
Stockholders’ equity:
Common stock, $2.00 par value; authorized 50,000,000 shares, issued and outstanding 10,891,672 and 10,792,999 shares, respectively	21,783	21,586
Additional paid-in capital	87,407	82,249
Retained earnings	235,011	232,456
Net unrealized gains on available-for-sale securities, net of income taxes of $1,697 and $245, respectively	4,796	693
Total stockholders’ equity	348,997	336,984
Total liabilities and stockholders’ equity	$ 2,877,043	$ 2,794,209

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available-for-sale, amortized cost	$ 400,731	$ 420,207
Common stock, par value (in dollars per share)	$ 2	$ 2
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	10,891,672	10,792,999
Common stock, shares outstanding (in shares)	10,891,672	10,792,999
Net unrealized gains on available-for-sale securities, income taxes	$ 1,697	$ 245

Consolidated Statements of Earn

Consolidated Statements of Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Interest and fees on loans	$ 27,276	$ 25,774
Interest and dividends on securities:
Taxable securities	2,040	1,607
Exempt from federal income taxes	242	167
Interest on loans held for sale	108	78
Interest on federal funds sold	56	8
Interest on balances held at depository institutions	316	600
Interest and dividends on restricted securities	49	50
Total interest income	30,087	28,284
Interest expense:
Interest on negotiable order of withdrawal accounts	443	572
Interest on money market and savings accounts	1,359	1,740
Interest on time deposits	3,041	2,886
Interest on Federal Home Loan Bank advances	151	13
Total interest expense	4,994	5,211
Net interest income before provision for loan losses	25,093	23,073
Provision for loan losses	1,469	1,033
Net interest income after provision for loan losses	23,624	22,040
Non-interest income:
Service charges on deposit accounts	1,675	1,663
Other fees and commissions	3,508	3,107
Income on BOLI and annuity contracts	183	199
Gain on sale of loans	911	1,646
Loss on the sale of fixed assets	0	(1)
Loss on sale of other real estate	0	(45)
Gain (loss) on sale of securities	158	(309)
Total non-interest income	6,435	6,260
us-gaap_NoninterestExpenseAbstract
Salaries and employee benefits	11,132	10,410
Occupancy expenses, net	1,150	1,114
Advertising & public relations expense	603	477
Furniture and equipment expense	768	772
Data processing expense	1,169	978
ATM & interchange expense	873	784
Directors’ fees	158	134
Audit, legal & consulting expenses	180	100
Other operating expenses	2,669	2,649
Total non-interest expense	18,702	17,418
Earnings before income taxes	11,357	10,882
Income taxes	2,326	2,592
Net earnings	$ 9,031	$ 8,290
Weighted average number of common shares outstanding-basic (in shares)	10,864,866	10,701,602
Weighted average number of common shares outstanding-diluted (in shares)	10,886,456	10,716,872
Basic earnings per common share (in dollars per share)	$ 0.83	$ 0.77
Diluted earnings per common share (in dollars per share)	0.83	0.77
Cash dividends declared, per share (in dollars per share)	$ 0.60	$ 0.55

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net earnings	$ 9,031	$ 8,290
Other comprehensive earnings , net of tax:
Unrealized gains on available-for-sale securities arising during period, net of taxes of $1,493 and $802, respectively	4,220	2,270
Reclassification adjustment for net losses (gains) on the sale of securities included in net earnings, net of taxes of $41 and $81, respectively	(117)	228
Other comprehensive earnings	4,103	2,498
Comprehensive earnings	$ 13,134	$ 10,788

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Earnings (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Unrealized gains on available-for-sale securities arising during period, taxes	$ 1,493	$ 802
Reclassification adjustment for net losses on the sale of securities included in net earnings, taxes	$ 41	$ 81

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member]Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]	Total
Balance at Dec. 31, 2018			$ 21,248	$ 73,960	$ 208,164	$ (7,705)	$ 295,667
Cash dividends declared					(5,843)		(5,843)
Issuance of shares of common stock pursuant to dividend reinvestment plan			183	4,368			4,551
Issuance of shares of common stock pursuant to exercise of stock options			17	289			306
Share based compensation expense			0	99			99
Net change in fair value of available-for-sale securities during the year, net of taxes						2,498	2,498
Net earnings for the quarter					8,290		8,290
Balance (Accounting Standards Update 2016-02 [Member]) at Mar. 31, 2019	$ (27)	$ (27)
Balance at Mar. 31, 2019			21,448	78,716	210,584	(5,207)	305,541
Balance at Dec. 31, 2019			21,586	82,249	232,456	693	336,984
Cash dividends declared					(6,476)		(6,476)
Issuance of shares of common stock pursuant to dividend reinvestment plan			183	4,825			5,008
Issuance of shares of common stock pursuant to exercise of stock options			14	225			239
Share based compensation expense				108			108
Net change in fair value of available-for-sale securities during the year, net of taxes						4,103	4,103
Net earnings for the quarter					9,031		9,031
Balance at Mar. 31, 2020			$ 21,783	$ 87,407	$ 235,011	$ 4,796	$ 348,997

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash dividends declared, per share (in dollars per share)	$ 0.60	$ 0.55
Issuance of shares of common stock pursuant to dividend reinvestment plan, shares (in shares)	91,471	91,487
Issuance of shares of common stock, shares (in shares)	7,202	8,763
Net change in fair value of available-for-sale securities during the period, taxes	$ 1,452	$ 883

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Interest received	$ 29,776	$ 28,297
Fees and commissions received	5,183	4,770
Proceeds from sale of loans held for sale	30,447	35,664
Origination of loans held for sale	(33,540)	(38,415)
Interest paid	(5,594)	(4,903)
Cash paid to suppliers and employees	(14,090)	(13,708)
Income taxes paid	(1,006)	(1,036)
Net cash provided by operating activities	11,176	10,669
Cash flows from investing activities:
Proceeds from maturities, calls, and principal payments of available-for-sale securities	52,323	7,532
Proceeds from the sale of available-for-sale securities	19,998	24,621
Purchase of available-for-sale securities	(53,458)	(122,376)
Loans made to customers, net of repayments	(76,025)	(7,979)
Purchase of restricted equity securities	0	(394)
Purchase of premises and equipment	(465)	(842)
Proceeds from sale of other real estate	0	276
Proceeds from sale of other assets	0	2
Net cash used in investing activities	(57,627)	(99,160)
Cash flows from financing activities:
Net increase in non-interest bearing, savings and NOW deposit accounts	79,718	42,024
Net increase (decrease) in time deposits	(11,786)	37,830
Net increase (decrease) in Federal Home Loan Bank advances	(2,805)	32,000
Common stock dividends paid	(6,476)	(5,843)
Proceeds from sale of common stock pursuant to dividend reinvestment plan	5,008	4,551
Proceeds from exercise of stock options	239	306
Net cash provided by financing activities	63,898	110,868
Net increase in cash and cash equivalents	17,447	22,377
Cash and cash equivalents at beginning of period	159,770	99,191
Cash and cash equivalents at end of period	177,217	121,568
Reconciliation of net earnings to net cash provided by operating activities:
Net earnings	9,031	8,290
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, amortization, and accretion	1,769	1,381
Provision for loan losses	1,469	1,033
Loss on sale of other real estate	0	45
Loss (gain) on sale of securities	(158)	309
Share-based compensation expense	108	99
Loss on the sale of bank premises and equipment	0	1
Increase in loans held for sale	(4,004)	(4,397)
Increase in deferred tax asset	(46)	(74)
Increase in other assets, bank owned life insurance and annuity contract earnings, net	(1,605)	(124)
Increase in interest receivable	(1,082)	(390)
Increase in other liabilities	4,928	2,558
Increase in taxes payable	1,366	1,630
Increase (decrease) in interest payable	(600)	308
Total adjustments	2,145	2,379
Net cash provided by operating activities	11,176	10,669
Supplemental schedule of non-cash activities:
Unrealized gain in value of securities available-for-sale, net of taxes of $1,452 and $883 for the three months ended March 31, 2020 and 2019, respectively	4,103	2,498
Non-cash transfers from loans to other real estate	0	139
Non-cash transfers from loans to other assets	$ 0	$ 2

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Change in fair value of securities available-for-sale, taxes	$ 1,452	$ 883

Note 1 - Summary of Significant

Note 1 - Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 1. Nature of Business Basis of Presentation 10 not 10 December 31, 2019 These consolidated financial statements include the accounts of the Company and the Bank. Significant intercompany transactions and accounts are eliminated in consolidation. Use of Estimates 10 December 31, 2019 no 10 December 31, 2019 Loans — Loans are charged off when management believes that the full collectability of the loan is unlikely. As such, a loan may Loans are placed on nonaccrual status when there is a significant deterioration in the financial condition of the borrower, which often is determined when the principal or interest on the loan is more than 90 not All loans that are placed on nonaccrual are further analyzed to determine if they should be classified as impaired loans. At December 31, 2019 March 31, 2020 not not one may Allowance for Loan Losses — In assessing the adequacy of the allowance, we also consider the results of our ongoing independent loan review process. We undertake this process both to ascertain whether there are loans in the portfolio whose credit quality has weakened over time and to assist in our overall evaluation of the risk characteristics of the entire loan portfolio. Our loan review process includes the judgment of management, independent loan reviewers, and reviews that may third may Recently Issued Accounting Pronouncements ASU 2016 - 13, “Financial Instruments - Credit Losses (Topic 326 ): Measurement of Credit Losses on Financial Instruments.” 2016 13 2016 13 ASU 2016 13 January 1, 2020. March 27, 2020, 2016 13, 60 19 December 31, 2020, We currently believe the adoption of ASU 2016 13 January 1, 2020. March 31, 2020, 2016 13 Prior to the CARES Act being signed and the Company’s decision to delay the implementation of CECL, the Company was completing its CECL implementation plan with a cross-functional working group, under the direction of the Chief Credit Officer along with our Chief Financial Officer. The working group also included individuals from various functional areas including credit, risk management, accounting and information technology, among others. The Company’s implementation plan included assessment and documentation of processes, internal controls and data sources; model development, documentation and validation; and system configuration, among other things. The Company contracted with a third 2016 13 2016 13 not 2016 13 not ASU 2017 - 04, “Intangibles - Goodwill and Other (Topic 350 ) - Simplifying the Test for Goodwill Impairment.” 2017 04 2 2017 04, not 2017 04 January 1, 2020, not ASU 2018 - 13, "Fair Value Measurement (Topic 820 ) - Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement." 2018 13 820. no 2018 13 January 1, 2020 not

Note 2 - Loans and Allowance fo

Note 2 - Loans and Allowance for Loan Losses	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	Note 2. For financial reporting purposes, the Company classifies its loan portfolio based on the underlying collateral utilized to secure each loan. This classification is consistent with that utilized in the Quarterly Report of Condition and Income filed by the Bank with the Federal Deposit Insurance Corporation (“FDIC”). The following schedule details the loans of the Company at March 31, 2020 December 31, 2019 (In Thousands) March 31, 2020 December 31, 2019 Mortgage loans on real estate: Residential 1-4 family $ 519,775 $ 511,250 Multifamily 151,929 97,104 Commercial 841,521 793,379 Construction and land development 388,769 425,185 Farmland 18,610 19,268 Second mortgages 11,254 10,760 Equity lines of credit 74,908 72,379 Total mortgage loans on real estate 2,006,766 1,929,325 Commercial loans 95,547 98,265 Agricultural loans 1,487 1,569 Consumer installment loans Personal 51,961 50,532 Credit cards 3,999 4,302 Total consumer installment loans 55,960 54,834 Other loans 9,927 9,049 Total loans before net deferred loan fees 2,169,687 2,093,042 Net deferred loan fees (7,675 ) (7,141 ) Total loans 2,162,012 2,085,901 Less: Allowance for loan losses (30,281 ) (28,726 ) Net loans $ 2,131,731 $ 2,057,175 Risk characteristics relevant to each portfolio segment are as follows: Construction and land development: may may may 1 4 1 4 first second 1 4 first second second 1 4 Multi-family and commercial real estate: Commercial real estate lending typically involves higher loan principal amounts and the repayment of these loans is generally largely dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may third 50 third Commercial and Industrial: may not may may may Consumer: may one five may The adequacy of the allowance for loan losses is assessed at the end of each calendar quarter. The level of the allowance is based upon evaluation of the loan portfolio, past loan loss experience, current asset quality trends, known and inherent risks in the portfolio, adverse situations that may Transactions in the allowance for loan losses for the three March 31, 2020 2019 December 31, 2019 (In Thousands) Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total March 31, 2020 Allowance for loan losses: Beginning balance $ 7,144 1,117 11,114 5,997 187 123 889 1,044 1,111 28,726 Provision 198 524 1,330 (816 ) (10 ) 4 (44 ) (46 ) 329 1,469 Charge-offs — — — — — — — — (355 ) (355 ) Recoveries 9 — 300 19 — — — — 113 441 Ending balance $ 7,351 1,641 12,744 5,200 177 127 845 998 1,198 30,281 Ending balance individually evaluated for impairment $ 715 — 220 — — — — — — 935 Ending balance collectively evaluated for impairment $ 6,636 1,641 12,524 5,200 177 127 845 998 1,198 29,346 Loans: Ending balance $ 519,775 151,929 841,521 388,769 18,610 11,254 74,908 95,547 67,374 2,169,687 Ending balance individually evaluated for impairment $ 1,429 — 999 — — — — — — 2,428 Ending balance collectively evaluated for impairment $ 518,346 151,929 840,522 388,769 18,610 11,254 74,908 95,547 67,374 2,167,259 Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total December 31, 2019 Allowance for loan losses: Beginning balance $ 6,297 1,481 9,753 7,084 221 118 731 622 867 27,174 Provision 838 (364 ) 1,484 (1,510 ) (34 ) 5 158 422 1,041 2,040 Charge-offs (15 ) — (173 ) — — — — (15 ) (1,160 ) (1,363 ) Recoveries 24 — 50 423 — — — 15 363 875 Ending balance $ 7,144 1,117 11,114 5,997 187 123 889 1,044 1,111 28,726 Ending balance individually evaluated for impairment $ 795 — 341 — — — — — — 1,136 Ending balance collectively evaluated for impairment $ 6,349 1,117 10,773 5,997 187 123 889 1,044 1,111 27,590 Loans: Ending balance $ 511,250 97,104 793,379 425,185 19,268 10,760 72,379 98,265 65,452 2,093,042 Ending balance individually evaluated for impairment $ 2,569 — 2,471 — — — — — — 5,040 Ending balance collectively evaluated for impairment $ 508,681 97,104 790,908 425,185 19,268 10,760 72,379 98,265 65,452 2,088,002 Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total March 31, 2019 Allowance for loan losses: Beginning balance $ 6,297 1,481 9,753 7,084 221 118 731 622 867 27,174 Provision 261 19 510 (259 ) (5 ) 3 (4 ) 163 345 1,033 Charge-offs — — — — — — — — (296 ) (296 ) Recoveries 7 — — 267 — — — — 95 369 Ending balance $ 6,565 1,500 10,263 7,092 216 121 727 785 1,011 28,280 Ending balance individually evaluated for impairment $ 845 — 142 — — — — — — 987 Ending balance collectively evaluated for impairment $ 5,720 1,500 10,121 7,092 216 121 727 785 1,011 27,293 Loans: Ending balance $ 458,304 136,385 727,394 495,061 23,438 11,465 61,656 77,921 66,377 2,058,001 Ending balance individually evaluated for impairment $ 2,802 — 1,826 — — — — — — 4,628 Ending balance collectively evaluated for impairment $ 455,502 136,385 725,568 495,061 23,438 11,465 61,656 77,921 66,377 2,053,373 Impaired Loans At March 31, 2020 f $311,000 December 31, 2019 March 31, 2020 December 31, 2019 In Thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized March 31, 2020 With no related allowance recorded: Residential 1-4 family $ 140 139 — 615 2 Multifamily — — — — — Commercial real estate 311 311 — 631 — Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 451 $ 450 — $ 1,246 $ 2 With related allowance recorded: Residential 1-4 family $ 1,292 1,290 715 1,391 17 Multifamily — — — — — Commercial real estate 690 688 220 1,106 8 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 1,982 $ 1,978 $ 935 $ 2,497 $ 25 Total Residential 1-4 family $ 1,432 1,429 715 2,006 19 Multifamily — — — — — Commercial real estate 1,001 999 220 1,737 8 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 2,433 $ 2,428 $ 935 $ 3,743 $ 27 In Thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized December 31, 2019 With no related allowance recorded: Residential 1-4 family $ 1,090 1,464 — 1,090 99 Multifamily — — — — — Commercial real estate 951 1,124 — 910 17 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 2,041 2,588 — 2,000 116 With related allowance recorded: Residential 1-4 family $ 1,489 1,480 795 1,590 83 Multifamily — — — — — Commercial real estate 1,522 1,520 341 2,015 17 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 3,011 3,000 1,136 3,605 100 Total: Residential 1-4 family $ 2,579 2,944 795 2,680 182 Multifamily — — — — — Commercial real estate 2,473 2,644 341 2,925 34 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 5,052 5,588 1,136 5,605 216 Impaired loans also include loans that the Bank may may may Not Troubled Debt Restructuring The Bank’s loan portfolio includes certain loans that have been modified in a troubled debt restructuring ("TDR"), where economic or other concessions have been granted to borrowers who have experienced or are expected to experience financial difficulties. These concessions typically result from the Bank’s loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions. Certain TDRs are classified as nonperforming at the time of restructure and may six The following table summarizes the carrying balances of TDRs at March 31, 2020 December 31, 2019 March 31, 2020 December 31, 2019 (In thousands) Performing TDRs $ 2,061 $ 3,080 Nonperforming TDRs 811 1,467 Total TDRS $ 2,872 $ 4,547 The following table outlines the amount of each troubled debt restructuring categorized by loan classification for the three March 31, 2020 three March 31, 2019 March 31, 2020 March 31, 2019 Number of Contracts Pre Modification Outstanding Recorded Investment Post Modification Outstanding Recorded Investment, Net of Related Allowance Number of Contracts Pre Modification Outstanding Recorded Investment Post Modification Outstanding Recorded Investment, Net of Related Allowance Residential 1-4 family — $ — $ — — $ — $ — Multifamily — — — — — — Commercial real estate 1 111 132 — — — Construction — — — — — — Farmland — — — — — — Second mortgages — — — — — — Equity lines of credit — — — — — — Commercial — — — — — — Agricultural, installment and other — — — — — — Total 1 $ 111 $ 132 — $ — $ — As of March 31, 2020 one twelve December 31, 2019, no twelve In response to the COVID- 19 March 2020 90 90 six may not March 1, 2020 December 31, 2020 60 19 As of April 30, 2020, none April 30, 2020. As of March 31, 2020 to approximately $1.0 million December 31, 2019 not Potential problem loans, which include nonperforming loans, amounted to approxim ately million at March 31, 2020 and million a December 31, 2019 The following summary presents the Bank's loan balances by primary loan classification and the amount classified within each risk rating category. Pass rated loans include all credits other than those included in special mention, substandard and doubtful which are defined as follows: • Special mention loans have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may • Substandard loans are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize liquidation of the debt. Substandard loans are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not • Doubtful loans have all the characteristics of substandard loans with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. The Bank considers all doubtful loans to be impaired and places such loans on nonaccrual status. The following table is a summary of the Bank’s loan portfolio by risk rating at March 31, 2020 December 31, 2019 (In Thousands) Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, installment and other Total March 31, 2020 Credit Risk Profile by Internally Assigned Rating Pass $ 511,772 151,929 840,914 388,674 18,453 10,857 74,754 95,525 67,185 2,160,063 Special Mention 5,096 — — 63 102 273 10 — 78 5,622 Substandard 2,907 — 607 32 55 124 144 22 111 4,002 Doubtful — — — — — — — — — — Total $ 519,775 151,929 841,521 388,769 18,610 11,254 74,908 95,547 67,374 2,169,687 December 31, 2019 Credit Risk Profile by Internally Assigned Rating Pass $ 503,861 97,104 791,610 424,517 19,106 10,458 72,237 98,243 65,255 2,082,391 Special Mention 2,923 — — 635 103 174 — — 101 3,936 Substandard 4,466 — 1,769 33 59 128 142 22 96 6,715 Doubtful — — — — — — — — — — Total $ 511,250 97,104 793,379 425,185 19,268 10,760 72,379 98,265 65,452 2,093,042

Note 3 - Debt and Equity Securi

Note 3 - Debt and Equity Securities	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	Note 3. Debt and equity securities have been classified in the consolidated balance sheet according to management’s intent. Debt and equity securities at March 31, 2020 December 31, 2019 March 31, 2020 Securities Available-For-Sale In Thousands Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Market Value U.S. Government-sponsored enterprises (GSEs) $ 52,754 $ 305 $ 121 $ 52,938 Mortgage-backed securities 248,255 6,219 258 254,216 Asset-backed securities 26,358 375 403 26,330 Obligations of states and political subdivisions 73,364 1,291 915 73,740 $ 400,731 $ 8,190 $ 1,697 $ 407,224 December 31, 2019 Securities Available-For-Sale In Thousands Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Market Value U.S. Government-sponsored enterprises (GSEs) $ 59,735 $ 48 $ 204 $ 59,579 Mortgage-backed securities 265,648 2,300 635 267,313 Asset-backed securities 27,531 1 303 27,229 Obligations of states and political subdivisions 67,293 559 828 67,024 $ 420,207 $ 2,908 $ 1,970 $ 421,145 There were no debt and equity securities classified as held-to-maturity at March 31, 2020 December 31, 2019 Included in mortgage-backed securities are collateralized mortgage obligations tota ling $44,027,000 (fair value of $45,045,000) March 31, 2020 December 31, 2019 The amortized cost and estimated market value of debt securities at March 31, 2020 may Available-For-Sale In Thousands Amortized Cost Estimated Market Value Due in one year or less $ 470 $ 469 Due after one year through five years 12,372 12,486 Due after five years through ten years 70,268 71,430 Due after ten years 317,621 322,839 $ 400,731 $ 407,224 The following table shows the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not March 31, 2020 December 31, 2019 In Thousands, Except Number of Securities Less than 12 Months 12 Months or More Total March 31, 2020 Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Available-for-Sale Securities: GSEs $ 7,093 $ 121 3 $ — $ — — $ 7,093 $ 121 Mortgage-backed securities 17,935 206 9 5,163 52 14 23,098 258 Asset-backed securities 9,664 403 2 — — — 9,664 403 Obligations of states and political subdivisions 30,592 873 38 1,173 42 3 31,765 915 $ 65,284 $ 1,603 52 $ 6,336 $ 94 17 $ 71,620 $ 1,697 In Thousands, Except Number of Securities Less than 12 Months 12 Months or More Total December 31, 2019 Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Available-for-Sale Securities: GSEs $ 16,507 $ 114 5 $ 24,658 $ 90 9 $ 41,165 $ 204 Mortgage-backed securities 45,862 182 21 56,917 453 52 102,779 635 Asset-backed securities 17,807 161 10 7,317 142 4 25,124 303 Obligations of states and political subdivisions 30,423 783 26 3,858 45 10 34,281 828 $ 110,599 $ 1,240 62 $ 92,750 $ 730 75 $ 203,349 $ 1,970 Unrealized losses on securities have not not March 31, 2020 not not not The carrying values of the Company’s investment securities could decline in the future if the financial condition of issuers deteriorates and management determines it is probable that the Company will not may

Note 4 - Earnings Per Share

Note 4 - Earnings Per Share	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 4. The computation of basic earnings per share is based on the weighted average number of common shares outstanding during the period, adjusted for stock splits. The computation of diluted earnings per share for the Company begins with the basic earnings per share and includes the effect of common shares contingently issuable from stock options. The following is a summary of components comprising basic and diluted earnings per share (“EPS”) for the three March 31, 2020 2019 Three Months Ended March 31, 2020 2019 (Dollars in Thousands Except Share and Per Share Amounts) Basic EPS Computation: Numerator – Earnings available to common stockholders $ 9,031 $ 8,290 Denominator – Weighted average number of common shares outstanding 10,864,866 10,701,602 Basic earnings per common share 0.83 $ 0.77 Diluted EPS Computation: Numerator – Earnings available to common stockholders $ 9,031 $ 8,290 Denominator – Weighted average number of common shares outstanding 10,864,866 10,701,602 Dilutive effect of stock options 21,590 15,270 Weighted average diluted common shares outstanding 10,886,456 10,716,872 Diluted earnings per common share 0.83 $ 0.77

Note 5 - Income Taxes

Note 5 - Income Taxes	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Income Tax Disclosure [Text Block]	Note 5. Accounting Standards Codification (“ASC”) 740, Income Taxes not” March 31, 2020 not March 31, 2020 As of and for the three March 31, 2020 not The Company and the Bank file consolidated U.S. Federal and State of Tennessee income tax returns. The Company is currently open to audit under the statute of limitations by the State of Tennessee for the years ended December 31, 2016 2019 December 31, 2017 2019.

Note 6 - Commitments and Contin

Note 6 - Commitments and Contingent Liabilities	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 6. In the normal course of business, the Bank has entered into off-balance sheet financial instruments which include commitments to extend credit (i.e., including unfunded lines of credit) and standby letters of credit. Commitments to extend credit are usually the result of lines of credit granted to existing borrowers under agreements that the total outstanding indebtedness will not may may Standby letters of credit are generally issued on behalf of an applicant (the Bank's customer) to a specifically named beneficiary and are the result of a particular business arrangement that exists between the applicant and the beneficiary. Standby letters of credit have fixed expiration dates and are usually for terms of two third The Bank follows the same credit policies and underwriting practices when making these commitments as it does for on-balance sheet instruments. Each customer’s creditworthiness is evaluated on a case-by-case basis, and the amount of collateral obtained, if any, is based on management’s credit evaluation of the customer. Collateral held varies but may The contractual amounts of these commitments are not not A summary of the Company’s total contractual amount for all off-balance sheet commitments at March 31, 2020 Commitments to extend credit $ 684,851,000 Standby letters of credit $ 72,727,000 The Bank originates residential mortgage loans, sells them to third not fourth 2018, not Each purchaser has specific guidelines and criteria for sellers of loans, and the risk of credit loss with regard to the principal amount of the loans sold is generally transferred to the purchasers upon sale. While the loans are sold without recourse, the purchase agreements require the Bank to make certain representations and warranties regarding the existence and sufficiency of file documentation and the absence of fraud by borrowers or other third To date, repurchase activity pursuant to the terms of these representations and warranties has been insignificant and has resulted in insignificant losses to the Company. Based on information currently available, management believes that the Bank does not may Various legal claims also arise from time to time in the normal course of business. In the opinion of management, the resolution of these claims outstanding at March 31, 2020 not

Note 7 - Fair Value Measurement

Note 7 - Fair Value Measurements	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Fair Value Disclosures [Text Block]	Note 7. FASB ASC 820, Fair Value Measurements and Disclosures not not Valuation Hierarchy FASB ASC 820 three three • Level 1 • Level 2 • Level 3 A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Following is a description of the valuation methodologies used for assets and liabilities measured at fair value, as well as the general classification of such assets and liabilities pursuant to the valuation hierarchy. Assets Securities available-for-sale — 1 1 not 2 3 Impaired loans — may 3 Other real estate owned — 3 Bank Owned Life Insurance — 3 not Mortgage loans held-for-sale 2 Mortgage banking derivatives 2 The following tables present the financial instruments carried at fair value as of March 31, 2020 December 31, 2019 820 Assets and Liabilities Measured at Fair Value on a Recurring Basis (In Thousands) Total Carrying Value in the Consolidated Balance Sheet Quoted Market Prices in an Active Market (Level 1) Models with Significant Observable Market Parameters (Level 2) Models with Significant Unobservable Market Parameters (Level 3) March 31, 2020 Investment securities available-for-sale: U.S. Government sponsored enterprises $ 52,938 — 52,938 — Mortgage-backed securities 254,216 — 254,216 — Asset-backed securities 26,330 — 26,330 — State and municipal securities 73,740 — 73,740 — Total investment securities available-for-sale 407,224 — 407,224 — Mortgage loans held for sale 22,183 — 22,183 — Mortgage banking derivatives 503 — 503 — Bank owned life insurance 31,945 — — 31,945 Total assets $ 461,855 — 429,910 31,945 Mortgage banking derivatives $ 385 — 385 — Total liabilities $ 385 — 385 — December 31, 2019 Investment securities available-for-sale: U.S. Government sponsored enterprises $ 59,579 — 59,579 — Mortgage-backed securities 267,313 — 267,313 — Asset-backed securities 27,229 — 27,229 — State and municipal securities 67,024 — 67,024 — Total investment securities available-for-sale 421,145 — 421,145 — Mortgage loans held for sale 18,179 — 18,179 — Mortgage banking derivatives 328 — 328 — Bank owned life insurance 31,762 — — 31,762 Total assets $ 471,414 — 439,652 31,762 Mortgage banking derivatives $ 23 — 23 — Total liabilities $ 23 — 23 — Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (In Thousands) Total Carrying Value in the Consolidated Balance Sheet Quoted Market Prices in an Active Market (Level 1) Models with Significant Observable Market Parameters (Level 2) Models with Significant Unobservable Market Parameters (Level 3) March 31, 2020 Other real estate owned $ 697 — — 697 Impaired loans, net (¹) 1,498 — — 1,498 Total $ 2,195 — — 2,195 December 31, 2019 Other real estate owned $ 697 — — 697 Impaired loans, net (¹) 3,916 — — 3,916 Total $ 4,613 — — 4,613 ( 1 Amount is net of a valuation allowance of at March 31, 2020 and at December 31, 2019 as required by ASC 310, The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which we have utilized Level 3 March 31, 2020 December 31, 2019 Valuation Techniques (2) Significant Unobservable Inputs Weighted Average Impaired loans Appraisal Estimated costs to sell 10% Other real estate owned Appraisal Estimated costs to sell 10% ( 2 The fair value is generally determined through independent appraisals of the underlying collateral, which may 3 not not In the case of its investment securities portfolio, the Company monitors the valuation technique utilized by various pricing agencies to ascertain when transfers between levels have been affected. The nature of the remaining assets and liabilities is such that transfers in and out of any level are expected to be rare. For the three March 31, 2020 no 1, 2 3. The table below includes a rollforward of the balance sheet amounts for the three March 31, 2020 2019 3 3 3 3 For the Three Months Ended March 31, 2020 2019 Other Assets Other Liabilities Other Assets Other Liabilities Fair value, January 1 $ 31,762 — $ 30,952 — Total realized gains included in income 183 — 199 — Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at March 31 — — — — Purchases, issuances and settlements, net — — — — Transfers out of Level 3 — — — — Fair value, March 31 $ 31,945 — $ 31,151 — Total realized gains included in income related to financial assets and liabilities still on the consolidated balance sheet at March 31 $ 183 — $ 199 — The following methods and assumptions were used by the Company in estimating its fair value disclosures for financial instruments that are not not March 31, 2020 December 31, 2019 not may Cash and cash equivalents 1. Held-to-maturity securities not Loans For variable-rate loans that reprice frequently and have no Deposits and Federal Home Loan Bank borrowings Restricted equity securities not Accrued interest receivable/payable 1, 2 3 Off-Balance Sheet Instruments not The following table presents the carrying amounts, estimated fair value and placement in the fair valuation hierarchy of the Company’s financial instruments at March 31, 2020 December 31, 2019 Carrying/ Notional Estimated Quote Market Prices in an Active Market Models with Significant Observable Market Parameters Models with Significant Unobservable Market Parameters (in Thousands) Amount Fair Value (¹) (Level 1) (Level 2) (Level 3) March 31, 2020 Financial assets: Cash and cash equivalents $ 177,217 177,217 177,217 — — Loans, net 2,131,731 2,141,796 — — 2,141,796 Restricted equity securities 4,680 NA NA NA NA Accrued interest receivable 7,027 7,027 — 1,534 5,493 Financial liabilities: Deposits 2,485,537 2,349,761 — — 2,349,761 Federal Home Loan Bank borrowings 20,808 21,485 — — 21,485 Accrued interest payable 3,214 3,214 — — 3,214 December 31, 2019 Financial assets: Cash and cash equivalents $ 159,770 159,770 159,770 — — Loans, net 2,057,175 2,053,212 — — 2,053,212 Restricted equity securities 4,680 NA NA NA NA Accrued interest receivable 5,945 5,945 5 1,647 4,293 Financial liabilities: Deposits 2,417,605 2,210,038 — — 2,210,038 Federal Home Loan Bank borrowings 23,613 23,860 — — 23,860 Accrued interest payable 3,814 3,814 — — 3,814 ( 1 Estimated fair values are consistent with an exit-price concept. The assumptions used to estimate the fair values are intended to approximate those that a market-participant would realize in a hypothetical orderly transaction.

Note 8 - Equity Incentive Plan

Note 8 - Equity Incentive Plan	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	Note 8. In April 2009, 2009 “2009 2009 April 14, 2009. 2009 2009 2009 2009 April 13, 2019, no may 2009 2009 March 31, 2020 2009 During the second 2016, 2016 2016 January 25, 2016 April 12, 2016. September 26, 2016, 2016 “2016 not may 2016 March 31, 2020 2016 March 31, 2020 2016 As of March 31, 2020 The following table summarizes information about stock options and cash-settled SARs for the three March 31, 2020 2019 March 31, 2020 March 31, 2019 Shares Weighted Average Exercise Price Shares Weighted Average Exercise Price Options and SARs outstanding at beginning of period 273,039 $ 41.19 277,820 $ 40.11 Granted — — — — Exercised 7,654 33.82 9,013 35.13 Forfeited or expired 4,300 39.46 — — Outstanding at end of period 261,085 $ 41.43 268,807 $ 40.28 Options and SARs exercisable at March 31 142,692 $ 40.40 109,897 $ 39.44 As of March 31, 2020

Note 9 - Mortgage Banking Deriv

Note 9 - Mortgage Banking Derivatives	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	Note 9. C ommitments to fund certain mortgage loans (interest rate locks) to be sold into the secondary market and forward commitments for the future delivery of mortgage loans to third March 31, 2020 and December 31, 2019 , the Company had approximately and , respectively, of interest rate lock commitments and approximately and , respectively, of forward commitments for the future delivery of residential mortgage loans. The fair value of these mortgage banking derivatives was reflected by derivative assets of and and derivative liabilities of and , respectively, at March 31, 2020 and December 31, 2019 . Changes in the fair values of these mortgage-banking derivatives are included in net gains on sale of loans. The net gains (losses) relating to free-standing derivative instruments used for risk management is summarized below (in thousands): In Thousands March 31, 2020 March 31, 2019 Forward contracts related to mortgage loans held for sale and interest rate contracts $ (362 ) (70 ) Interest rate contracts for customers 175 440 The following table reflects the amount and fair value of mortgage banking derivatives included in the consolidated balance sheet as of March 31, 2020 December 31, 2019 In Thousands March 31, 2020 December 31, 2019 Notional Amount Fair Value Notional Amount Fair Value Included in other assets (liabilities): Interest rate contracts for customers $ 16,667 503 10,307 328 Forward contracts related to mortgage loans held-for-sale 22,000 (385 ) 14,000 (23 )

Note 10 - Pandemic Impact (COVI

Note 10 - Pandemic Impact (COVID-19)	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Effect of COVID-19 Pandemic [Text Block]	Note 10. 19 In March 2020, 19 April 2, 2020 not 19 may 19 As a result of the pandemic, many states and municipalities are facing a strain on resources and a reduction in tax collections. As a result, state and municipalities have asked for potential assistance from the Federal government to cover the cost of resource depletion and tax shortfalls. The ability of states and municipalities to fund shortfalls could have an affect on their ability to sustain debt maintenance, which would consequently impact the value of our municipal bond portfolio.

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2020
Accounting Policies [Abstract]
Nature of Business [Policy Text Block]	Nature of Business
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation 10 not 10 December 31, 2019 These consolidated financial statements include the accounts of the Company and the Bank. Significant intercompany transactions and accounts are eliminated in consolidation.
Use of Estimates, Policy [Policy Text Block]	Use of Estimates 10 December 31, 2019 no 10 December 31, 2019
Financing Receivable [Policy Text Block]	Loans — Loans are charged off when management believes that the full collectability of the loan is unlikely. As such, a loan may Loans are placed on nonaccrual status when there is a significant deterioration in the financial condition of the borrower, which often is determined when the principal or interest on the loan is more than 90 not All loans that are placed on nonaccrual are further analyzed to determine if they should be classified as impaired loans. At December 31, 2019 March 31, 2020 not not one may
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]	Allowance for Loan Losses — In assessing the adequacy of the allowance, we also consider the results of our ongoing independent loan review process. We undertake this process both to ascertain whether there are loans in the portfolio whose credit quality has weakened over time and to assist in our overall evaluation of the risk characteristics of the entire loan portfolio. Our loan review process includes the judgment of management, independent loan reviewers, and reviews that may third may
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued Accounting Pronouncements ASU 2016 - 13, “Financial Instruments - Credit Losses (Topic 326 ): Measurement of Credit Losses on Financial Instruments.” 2016 13 2016 13 ASU 2016 13 January 1, 2020. March 27, 2020, 2016 13, 60 19 December 31, 2020, We currently believe the adoption of ASU 2016 13 January 1, 2020. March 31, 2020, 2016 13 Prior to the CARES Act being signed and the Company’s decision to delay the implementation of CECL, the Company was completing its CECL implementation plan with a cross-functional working group, under the direction of the Chief Credit Officer along with our Chief Financial Officer. The working group also included individuals from various functional areas including credit, risk management, accounting and information technology, among others. The Company’s implementation plan included assessment and documentation of processes, internal controls and data sources; model development, documentation and validation; and system configuration, among other things. The Company contracted with a third 2016 13 2016 13 not 2016 13 not ASU 2017 - 04, “Intangibles - Goodwill and Other (Topic 350 ) - Simplifying the Test for Goodwill Impairment.” 2017 04 2 2017 04, not 2017 04 January 1, 2020, not ASU 2018 - 13, "Fair Value Measurement (Topic 820 ) - Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement." 2018 13 820. no 2018 13 January 1, 2020 not

Note 2 - Loans and Allowance _2

Note 2 - Loans and Allowance for Loan Losses (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	(In Thousands) March 31, 2020 December 31, 2019 Mortgage loans on real estate: Residential 1-4 family $ 519,775 $ 511,250 Multifamily 151,929 97,104 Commercial 841,521 793,379 Construction and land development 388,769 425,185 Farmland 18,610 19,268 Second mortgages 11,254 10,760 Equity lines of credit 74,908 72,379 Total mortgage loans on real estate 2,006,766 1,929,325 Commercial loans 95,547 98,265 Agricultural loans 1,487 1,569 Consumer installment loans Personal 51,961 50,532 Credit cards 3,999 4,302 Total consumer installment loans 55,960 54,834 Other loans 9,927 9,049 Total loans before net deferred loan fees 2,169,687 2,093,042 Net deferred loan fees (7,675 ) (7,141 ) Total loans 2,162,012 2,085,901 Less: Allowance for loan losses (30,281 ) (28,726 ) Net loans $ 2,131,731 $ 2,057,175
Financing Receivable, Allowance for Credit Loss [Table Text Block]	(In Thousands) Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total March 31, 2020 Allowance for loan losses: Beginning balance $ 7,144 1,117 11,114 5,997 187 123 889 1,044 1,111 28,726 Provision 198 524 1,330 (816 ) (10 ) 4 (44 ) (46 ) 329 1,469 Charge-offs — — — — — — — — (355 ) (355 ) Recoveries 9 — 300 19 — — — — 113 441 Ending balance $ 7,351 1,641 12,744 5,200 177 127 845 998 1,198 30,281 Ending balance individually evaluated for impairment $ 715 — 220 — — — — — — 935 Ending balance collectively evaluated for impairment $ 6,636 1,641 12,524 5,200 177 127 845 998 1,198 29,346 Loans: Ending balance $ 519,775 151,929 841,521 388,769 18,610 11,254 74,908 95,547 67,374 2,169,687 Ending balance individually evaluated for impairment $ 1,429 — 999 — — — — — — 2,428 Ending balance collectively evaluated for impairment $ 518,346 151,929 840,522 388,769 18,610 11,254 74,908 95,547 67,374 2,167,259 Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total December 31, 2019 Allowance for loan losses: Beginning balance $ 6,297 1,481 9,753 7,084 221 118 731 622 867 27,174 Provision 838 (364 ) 1,484 (1,510 ) (34 ) 5 158 422 1,041 2,040 Charge-offs (15 ) — (173 ) — — — — (15 ) (1,160 ) (1,363 ) Recoveries 24 — 50 423 — — — 15 363 875 Ending balance $ 7,144 1,117 11,114 5,997 187 123 889 1,044 1,111 28,726 Ending balance individually evaluated for impairment $ 795 — 341 — — — — — — 1,136 Ending balance collectively evaluated for impairment $ 6,349 1,117 10,773 5,997 187 123 889 1,044 1,111 27,590 Loans: Ending balance $ 511,250 97,104 793,379 425,185 19,268 10,760 72,379 98,265 65,452 2,093,042 Ending balance individually evaluated for impairment $ 2,569 — 2,471 — — — — — — 5,040 Ending balance collectively evaluated for impairment $ 508,681 97,104 790,908 425,185 19,268 10,760 72,379 98,265 65,452 2,088,002 Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, Installment and Other Total March 31, 2019 Allowance for loan losses: Beginning balance $ 6,297 1,481 9,753 7,084 221 118 731 622 867 27,174 Provision 261 19 510 (259 ) (5 ) 3 (4 ) 163 345 1,033 Charge-offs — — — — — — — — (296 ) (296 ) Recoveries 7 — — 267 — — — — 95 369 Ending balance $ 6,565 1,500 10,263 7,092 216 121 727 785 1,011 28,280 Ending balance individually evaluated for impairment $ 845 — 142 — — — — — — 987 Ending balance collectively evaluated for impairment $ 5,720 1,500 10,121 7,092 216 121 727 785 1,011 27,293 Loans: Ending balance $ 458,304 136,385 727,394 495,061 23,438 11,465 61,656 77,921 66,377 2,058,001 Ending balance individually evaluated for impairment $ 2,802 — 1,826 — — — — — — 4,628 Ending balance collectively evaluated for impairment $ 455,502 136,385 725,568 495,061 23,438 11,465 61,656 77,921 66,377 2,053,373
Impaired Financing Receivables [Table Text Block]	In Thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized March 31, 2020 With no related allowance recorded: Residential 1-4 family $ 140 139 — 615 2 Multifamily — — — — — Commercial real estate 311 311 — 631 — Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 451 $ 450 — $ 1,246 $ 2 With related allowance recorded: Residential 1-4 family $ 1,292 1,290 715 1,391 17 Multifamily — — — — — Commercial real estate 690 688 220 1,106 8 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 1,982 $ 1,978 $ 935 $ 2,497 $ 25 Total Residential 1-4 family $ 1,432 1,429 715 2,006 19 Multifamily — — — — — Commercial real estate 1,001 999 220 1,737 8 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 2,433 $ 2,428 $ 935 $ 3,743 $ 27 In Thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized December 31, 2019 With no related allowance recorded: Residential 1-4 family $ 1,090 1,464 — 1,090 99 Multifamily — — — — — Commercial real estate 951 1,124 — 910 17 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 2,041 2,588 — 2,000 116 With related allowance recorded: Residential 1-4 family $ 1,489 1,480 795 1,590 83 Multifamily — — — — — Commercial real estate 1,522 1,520 341 2,015 17 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 3,011 3,000 1,136 3,605 100 Total: Residential 1-4 family $ 2,579 2,944 795 2,680 182 Multifamily — — — — — Commercial real estate 2,473 2,644 341 2,925 34 Construction — — — — — Farmland — — — — — Second mortgages — — — — — Equity lines of credit — — — — — Commercial — — — — — Agricultural, installment and other — — — — — $ 5,052 5,588 1,136 5,605 216
Financing Receivable, Troubled Debt Restructuring [Table Text Block]	March 31, 2020 December 31, 2019 (In thousands) Performing TDRs $ 2,061 $ 3,080 Nonperforming TDRs 811 1,467 Total TDRS $ 2,872 $ 4,547 March 31, 2020 March 31, 2019 Number of Contracts Pre Modification Outstanding Recorded Investment Post Modification Outstanding Recorded Investment, Net of Related Allowance Number of Contracts Pre Modification Outstanding Recorded Investment Post Modification Outstanding Recorded Investment, Net of Related Allowance Residential 1-4 family — $ — $ — — $ — $ — Multifamily — — — — — — Commercial real estate 1 111 132 — — — Construction — — — — — — Farmland — — — — — — Second mortgages — — — — — — Equity lines of credit — — — — — — Commercial — — — — — — Agricultural, installment and other — — — — — — Total 1 $ 111 $ 132 — $ — $ —
Financing Receivable Credit Quality Indicators [Table Text Block]	(In Thousands) Residential 1-4 Family Multifamily Commercial Real Estate Construction Farmland Second Mortgages Equity Lines of Credit Commercial Agricultural, installment and other Total March 31, 2020 Credit Risk Profile by Internally Assigned Rating Pass $ 511,772 151,929 840,914 388,674 18,453 10,857 74,754 95,525 67,185 2,160,063 Special Mention 5,096 — — 63 102 273 10 — 78 5,622 Substandard 2,907 — 607 32 55 124 144 22 111 4,002 Doubtful — — — — — — — — — — Total $ 519,775 151,929 841,521 388,769 18,610 11,254 74,908 95,547 67,374 2,169,687 December 31, 2019 Credit Risk Profile by Internally Assigned Rating Pass $ 503,861 97,104 791,610 424,517 19,106 10,458 72,237 98,243 65,255 2,082,391 Special Mention 2,923 — — 635 103 174 — — 101 3,936 Substandard 4,466 — 1,769 33 59 128 142 22 96 6,715 Doubtful — — — — — — — — — — Total $ 511,250 97,104 793,379 425,185 19,268 10,760 72,379 98,265 65,452 2,093,042

Note 3 - Debt and Equity Secu_2

Note 3 - Debt and Equity Securities (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Marketable Securities [Table Text Block]	March 31, 2020 Securities Available-For-Sale In Thousands Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Market Value U.S. Government-sponsored enterprises (GSEs) $ 52,754 $ 305 $ 121 $ 52,938 Mortgage-backed securities 248,255 6,219 258 254,216 Asset-backed securities 26,358 375 403 26,330 Obligations of states and political subdivisions 73,364 1,291 915 73,740 $ 400,731 $ 8,190 $ 1,697 $ 407,224 December 31, 2019 Securities Available-For-Sale In Thousands Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Market Value U.S. Government-sponsored enterprises (GSEs) $ 59,735 $ 48 $ 204 $ 59,579 Mortgage-backed securities 265,648 2,300 635 267,313 Asset-backed securities 27,531 1 303 27,229 Obligations of states and political subdivisions 67,293 559 828 67,024 $ 420,207 $ 2,908 $ 1,970 $ 421,145
Investments Classified by Contractual Maturity Date [Table Text Block]	Available-For-Sale In Thousands Amortized Cost Estimated Market Value Due in one year or less $ 470 $ 469 Due after one year through five years 12,372 12,486 Due after five years through ten years 70,268 71,430 Due after ten years 317,621 322,839 $ 400,731 $ 407,224
Schedule of Unrealized Loss on Investments [Table Text Block]	In Thousands, Except Number of Securities Less than 12 Months 12 Months or More Total March 31, 2020 Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Available-for-Sale Securities: GSEs $ 7,093 $ 121 3 $ — $ — — $ 7,093 $ 121 Mortgage-backed securities 17,935 206 9 5,163 52 14 23,098 258 Asset-backed securities 9,664 403 2 — — — 9,664 403 Obligations of states and political subdivisions 30,592 873 38 1,173 42 3 31,765 915 $ 65,284 $ 1,603 52 $ 6,336 $ 94 17 $ 71,620 $ 1,697 In Thousands, Except Number of Securities Less than 12 Months 12 Months or More Total December 31, 2019 Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Number of Securities Included Fair Value Unrealized Losses Available-for-Sale Securities: GSEs $ 16,507 $ 114 5 $ 24,658 $ 90 9 $ 41,165 $ 204 Mortgage-backed securities 45,862 182 21 56,917 453 52 102,779 635 Asset-backed securities 17,807 161 10 7,317 142 4 25,124 303 Obligations of states and political subdivisions 30,423 783 26 3,858 45 10 34,281 828 $ 110,599 $ 1,240 62 $ 92,750 $ 730 75 $ 203,349 $ 1,970

Note 4 - Earnings Per Share (Ta

Note 4 - Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended March 31, 2020 2019 (Dollars in Thousands Except Share and Per Share Amounts) Basic EPS Computation: Numerator – Earnings available to common stockholders $ 9,031 $ 8,290 Denominator – Weighted average number of common shares outstanding 10,864,866 10,701,602 Basic earnings per common share 0.83 $ 0.77 Diluted EPS Computation: Numerator – Earnings available to common stockholders $ 9,031 $ 8,290 Denominator – Weighted average number of common shares outstanding 10,864,866 10,701,602 Dilutive effect of stock options 21,590 15,270 Weighted average diluted common shares outstanding 10,886,456 10,716,872 Diluted earnings per common share 0.83 $ 0.77

Note 6 - Commitments and Cont_2

Note 6 - Commitments and Contingent Liabilities (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]	Commitments to extend credit $ 684,851,000 Standby letters of credit $ 72,727,000

Note 7 - Fair Value Measureme_2

Note 7 - Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Assets and Liabilities Measured at Fair Value on a Recurring Basis (In Thousands) Total Carrying Value in the Consolidated Balance Sheet Quoted Market Prices in an Active Market (Level 1) Models with Significant Observable Market Parameters (Level 2) Models with Significant Unobservable Market Parameters (Level 3) March 31, 2020 Investment securities available-for-sale: U.S. Government sponsored enterprises $ 52,938 — 52,938 — Mortgage-backed securities 254,216 — 254,216 — Asset-backed securities 26,330 — 26,330 — State and municipal securities 73,740 — 73,740 — Total investment securities available-for-sale 407,224 — 407,224 — Mortgage loans held for sale 22,183 — 22,183 — Mortgage banking derivatives 503 — 503 — Bank owned life insurance 31,945 — — 31,945 Total assets $ 461,855 — 429,910 31,945 Mortgage banking derivatives $ 385 — 385 — Total liabilities $ 385 — 385 — December 31, 2019 Investment securities available-for-sale: U.S. Government sponsored enterprises $ 59,579 — 59,579 — Mortgage-backed securities 267,313 — 267,313 — Asset-backed securities 27,229 — 27,229 — State and municipal securities 67,024 — 67,024 — Total investment securities available-for-sale 421,145 — 421,145 — Mortgage loans held for sale 18,179 — 18,179 — Mortgage banking derivatives 328 — 328 — Bank owned life insurance 31,762 — — 31,762 Total assets $ 471,414 — 439,652 31,762 Mortgage banking derivatives $ 23 — 23 — Total liabilities $ 23 — 23 —
Fair Value Measurements, Nonrecurring [Table Text Block]	Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis (In Thousands) Total Carrying Value in the Consolidated Balance Sheet Quoted Market Prices in an Active Market (Level 1) Models with Significant Observable Market Parameters (Level 2) Models with Significant Unobservable Market Parameters (Level 3) March 31, 2020 Other real estate owned $ 697 — — 697 Impaired loans, net (¹) 1,498 — — 1,498 Total $ 2,195 — — 2,195 December 31, 2019 Other real estate owned $ 697 — — 697 Impaired loans, net (¹) 3,916 — — 3,916 Total $ 4,613 — — 4,613
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	Valuation Techniques (2) Significant Unobservable Inputs Weighted Average Impaired loans Appraisal Estimated costs to sell 10% Other real estate owned Appraisal Estimated costs to sell 10%
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	For the Three Months Ended March 31, 2020 2019 Other Assets Other Liabilities Other Assets Other Liabilities Fair value, January 1 $ 31,762 — $ 30,952 — Total realized gains included in income 183 — 199 — Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at March 31 — — — — Purchases, issuances and settlements, net — — — — Transfers out of Level 3 — — — — Fair value, March 31 $ 31,945 — $ 31,151 — Total realized gains included in income related to financial assets and liabilities still on the consolidated balance sheet at March 31 $ 183 — $ 199 —
Fair Value, by Balance Sheet Grouping [Table Text Block]	Carrying/ Notional Estimated Quote Market Prices in an Active Market Models with Significant Observable Market Parameters Models with Significant Unobservable Market Parameters (in Thousands) Amount Fair Value (¹) (Level 1) (Level 2) (Level 3) March 31, 2020 Financial assets: Cash and cash equivalents $ 177,217 177,217 177,217 — — Loans, net 2,131,731 2,141,796 — — 2,141,796 Restricted equity securities 4,680 NA NA NA NA Accrued interest receivable 7,027 7,027 — 1,534 5,493 Financial liabilities: Deposits 2,485,537 2,349,761 — — 2,349,761 Federal Home Loan Bank borrowings 20,808 21,485 — — 21,485 Accrued interest payable 3,214 3,214 — — 3,214 December 31, 2019 Financial assets: Cash and cash equivalents $ 159,770 159,770 159,770 — — Loans, net 2,057,175 2,053,212 — — 2,053,212 Restricted equity securities 4,680 NA NA NA NA Accrued interest receivable 5,945 5,945 5 1,647 4,293 Financial liabilities: Deposits 2,417,605 2,210,038 — — 2,210,038 Federal Home Loan Bank borrowings 23,613 23,860 — — 23,860 Accrued interest payable 3,814 3,814 — — 3,814

Note 8 - Equity Incentive Plan

Note 8 - Equity Incentive Plan (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Share-based Payment Arrangement, Option, Activity [Table Text Block]	March 31, 2020 March 31, 2019 Shares Weighted Average Exercise Price Shares Weighted Average Exercise Price Options and SARs outstanding at beginning of period 273,039 $ 41.19 277,820 $ 40.11 Granted — — — — Exercised 7,654 33.82 9,013 35.13 Forfeited or expired 4,300 39.46 — — Outstanding at end of period 261,085 $ 41.43 268,807 $ 40.28 Options and SARs exercisable at March 31 142,692 $ 40.40 109,897 $ 39.44

Note 9 - Mortgage Banking Der_2

Note 9 - Mortgage Banking Derivatives (Tables)	3 Months Ended
	Mar. 31, 2020
Notes Tables
Derivative Instruments, Gain (Loss) [Table Text Block]	In Thousands March 31, 2020 March 31, 2019 Forward contracts related to mortgage loans held for sale and interest rate contracts $ (362 ) (70 ) Interest rate contracts for customers 175 440
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]	In Thousands March 31, 2020 December 31, 2019 Notional Amount Fair Value Notional Amount Fair Value Included in other assets (liabilities): Interest rate contracts for customers $ 16,667 503 10,307 328 Forward contracts related to mortgage loans held-for-sale 22,000 (385 ) 14,000 (23 )

Note 1 - Summary of Significa_2

Note 1 - Summary of Significant Accounting Policies (Details Textual)	Mar. 31, 2020USD ($)	Jan. 01, 2020	Dec. 31, 2019
Financing Receivable, Nonaccural, Not Impaired, Number of Positions	0		0
Financing Receivable, Threshold for Individually Evaluated for Impairment	$ 500,000
Financing Receivable, Maximum for Measurement Using Allocation Rate	$ 500,000
Minimum [Member]
Allowance for Loan and Lease Losses, Period Increase (Decrease), Percentage	4.00%	4.00%
Maximum [Member]
Allowance for Loan and Lease Losses, Period Increase (Decrease), Percentage	6.00%	6.00%

Note 2 - Loans and Allowance _3

Note 2 - Loans and Allowance for Loan Losses (Details Textual)	3 Months Ended	12 Months Ended
	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Apr. 30, 2020USD ($)
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	$ 311,000	$ 2,600,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	1	0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 311,000
Financing Receivable, Troubled Debt Restructuring	2,872,000	$ 4,547,000
Mortgage Loans in Process of Foreclosure, Amount	1,000,000	0
Potential Problem Loans	9,600,000	$ 10,700,000
Loans with Deferrals Related to Passage of the CARES Act [Member]
Financing Receivable, Troubled Debt Restructuring	$ 0
Subsequent Event [Member]
Financing Receivable, Number of Payment Deferrals			855
Financing Receivable, Deferred Payments			$ 572,400,000
Minimum [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Amortization Period (Year)	15 years
Financing Receivable, Maturity Period (Year)	5 years
Minimum [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Maturity Period (Year)	1 year
Maximum [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Amortization Period (Year)	30 years
Financing Receivable, Maturity Period (Year)	15 years
Maximum [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Maturity Period (Year)	5 years

Note 2 - Loans and Allowance _4

Note 2 - Loans and Allowance for Loan Losses - Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans, gross	$ 2,169,687	$ 2,093,042	$ 2,058,001
Net deferred loan fees	(7,675)	(7,141)
Total loans	2,162,012	2,085,901
Less: Allowance for loan losses	(30,281)	(28,726)	(28,280)	$ (27,174)
Net loans	2,131,731	2,057,175
Real Estate Portfolio Segment [Member]
Loans, gross	2,006,766	1,929,325
Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	519,775	511,250	458,304
Less: Allowance for loan losses	(7,351)	(7,144)	(6,565)	(6,297)
Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	151,929	97,104	136,385
Less: Allowance for loan losses	(1,641)	(1,117)	(1,500)	(1,481)
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	841,521	793,379	727,394
Less: Allowance for loan losses	(12,744)	(11,114)	(10,263)	(9,753)
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	388,769	425,185	495,061
Less: Allowance for loan losses	(5,200)	(5,997)	(7,092)	(7,084)
Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	18,610	19,268	23,438
Less: Allowance for loan losses	(177)	(187)	(216)	(221)
Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	11,254	10,760	11,465
Less: Allowance for loan losses	(127)	(123)	(121)	(118)
Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	74,908	72,379	61,656
Less: Allowance for loan losses	(845)	(889)	(727)	(731)
Commercial Portfolio Segment [Member]
Loans, gross	95,547	98,265	77,921
Less: Allowance for loan losses	(998)	(1,044)	$ (785)	$ (622)
Agricultural Portfolio Segment [Member]
Loans, gross	1,487	1,569
Consumer Portfolio Segment [Member]
Loans, gross	55,960	54,834
Consumer Portfolio Segment [Member] | Personal Loan [Member]
Loans, gross	51,961	50,532
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans, gross	3,999	4,302
Unallocated Financing Receivables [Member]
Loans, gross	$ 9,927	$ 9,049

Note 2 - Loans and Allowance _5

Note 2 - Loans and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Beginning balance	$ 28,726	$ 27,174	$ 27,174
Provision	1,469	1,033	2,040
Charge-offs	(355)	(296)	(1,363)
Recoveries	441	369	875
Ending balance	30,281	28,280	28,726
Ending balance individually evaluated for impairment	935	987	1,136
Ending balance collectively evaluated for impairment	29,346	27,293	27,590
Ending balance	2,169,687	2,058,001	2,093,042
Ending balance individually evaluated for impairment	2,428	4,628	5,040
Ending balance collectively evaluated for impairment	2,167,259	2,053,373	2,088,002
Real Estate Portfolio Segment [Member]
Ending balance	2,006,766		1,929,325
Commercial Portfolio Segment [Member]
Beginning balance	1,044	622	622
Provision	(46)	163	422
Charge-offs	0	0	(15)
Recoveries	0	0	15
Ending balance	998	785	1,044
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	998	785	1,044
Ending balance	95,547	77,921	98,265
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	95,547	77,921	98,265
Agricultural Installment and Other Portfolio Segment [Member]
Beginning balance	1,111	867	867
Provision	329	345	1,041
Charge-offs	(355)	(296)	(1,160)
Recoveries	113	95	363
Ending balance	1,198	1,011	1,111
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	1,198	1,011	1,111
Ending balance	67,374	66,377	65,452
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	67,374	66,377	65,452
Residential 1 to 4 Family [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	7,144	6,297	6,297
Provision	198	261	838
Charge-offs	0	0	(15)
Recoveries	9	7	24
Ending balance	7,351	6,565	7,144
Ending balance individually evaluated for impairment	715	845	795
Ending balance collectively evaluated for impairment	6,636	5,720	6,349
Ending balance	519,775	458,304	511,250
Ending balance individually evaluated for impairment	1,429	2,802	2,569
Ending balance collectively evaluated for impairment	518,346	455,502	508,681
Multifamily Real Estate [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	1,117	1,481	1,481
Provision	524	19	(364)
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	1,641	1,500	1,117
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	1,641	1,500	1,117
Ending balance	151,929	136,385	97,104
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	151,929	136,385	97,104
Commercial Real Estate [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	11,114	9,753	9,753
Provision	1,330	510	1,484
Charge-offs	0	0	(173)
Recoveries	300	0	50
Ending balance	12,744	10,263	11,114
Ending balance individually evaluated for impairment	220	142	341
Ending balance collectively evaluated for impairment	12,524	10,121	10,773
Ending balance	841,521	727,394	793,379
Ending balance individually evaluated for impairment	999	1,826	2,471
Ending balance collectively evaluated for impairment	840,522	725,568	790,908
Construction Loans [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	5,997	7,084	7,084
Provision	(816)	(259)	(1,510)
Charge-offs	0	0	0
Recoveries	19	267	423
Ending balance	5,200	7,092	5,997
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	5,200	7,092	5,997
Ending balance	388,769	495,061	425,185
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	388,769	495,061	425,185
Farmland [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	187	221	221
Provision	(10)	(5)	(34)
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	177	216	187
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	177	216	187
Ending balance	18,610	23,438	19,268
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	18,610	23,438	19,268
Second Mortgages [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	123	118	118
Provision	4	3	5
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	127	121	123
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	127	121	123
Ending balance	11,254	11,465	10,760
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	11,254	11,465	10,760
Home Equity Line of Credit [Member] | Real Estate Portfolio Segment [Member]
Beginning balance	889	731	731
Provision	(44)	(4)	158
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	845	727	889
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	845	727	889
Ending balance	74,908	61,656	72,379
Ending balance individually evaluated for impairment	0	0	0
Ending balance collectively evaluated for impairment	$ 74,908	$ 61,656	$ 72,379

Note 2 - Loans and Allowance _6

Note 2 - Loans and Allowance for Loan Losses - Impaired Loans (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Recorded Investment, with no related allowance	$ 451,000	$ 2,041,000
Unpaid Principal Balance, with no related allowance	450,000	2,588,000
Average Recorded Investment, with no related allowance	1,246,000	2,000,000
Interest Income Recognized, with no related allowance	2,000	116,000
Recorded Investment, with related allowance	1,982,000	3,011,000
Unpaid Principal Balance, with related allowance	1,978,000	3,000,000
Related Allowance	935,000	1,136,000
Average Recorded Investment, with related allowance	2,497,000	3,605,000
Interest Income Recognized, with related allowance	25,000	100,000
Recorded Investment	2,433,000	5,052,000
Unpaid Principal Balance	2,428,000	5,588,000
Average Recorded Investment	3,743,000	5,605,000
Interest Income Recognized	27,000	216,000
Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Recorded Investment, with no related allowance	140,000	1,090,000
Unpaid Principal Balance, with no related allowance	139,000	1,464,000
Average Recorded Investment, with no related allowance	615,000	1,090,000
Interest Income Recognized, with no related allowance	2,000	99,000
Recorded Investment, with related allowance	1,292,000	1,489,000
Unpaid Principal Balance, with related allowance	1,290,000	1,480,000
Related Allowance	715,000	795,000
Average Recorded Investment, with related allowance	1,391,000	1,590,000
Interest Income Recognized, with related allowance	17,000	83,000
Recorded Investment	1,432,000	2,579,000
Unpaid Principal Balance	1,429,000	2,944,000
Average Recorded Investment	2,006,000	2,680,000
Interest Income Recognized	19,000	182,000
Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Recorded Investment, with no related allowance	311,000	951,000
Unpaid Principal Balance, with no related allowance	311,000	1,124,000
Average Recorded Investment, with no related allowance	631,000	910,000
Interest Income Recognized, with no related allowance	0	17,000
Recorded Investment, with related allowance	690,000	1,522,000
Unpaid Principal Balance, with related allowance	688,000	1,520,000
Related Allowance	220,000	341,000
Average Recorded Investment, with related allowance	1,106,000	2,015,000
Interest Income Recognized, with related allowance	8,000	17,000
Recorded Investment	1,001,000	2,473,000
Unpaid Principal Balance	999,000	2,644,000
Average Recorded Investment	1,737,000	2,925,000
Interest Income Recognized	8,000	34,000
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Real Estate Portfolio Segment [Member] | Farmland [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Commercial Portfolio Segment [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Agricultural Installment and Other Portfolio Segment [Member]
Recorded Investment, with no related allowance	0	0
Unpaid Principal Balance, with no related allowance	0	0
Average Recorded Investment, with no related allowance	0	0
Interest Income Recognized, with no related allowance	0	0
Recorded Investment, with related allowance	0	0
Unpaid Principal Balance, with related allowance	0	0
Related Allowance	0	0
Average Recorded Investment, with related allowance	0	0
Interest Income Recognized, with related allowance	0	0
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	$ 0	$ 0

Note 2 - Loans and Allowance _7

Note 2 - Loans and Allowance for Loan Losses - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)	Mar. 31, 2019USD ($)	Dec. 31, 2019USD ($)
Total TDRS	$ 2,872		$ 4,547
Number of Contracts	1	0
Pre Modification Outstanding Recorded Investment	$ 111	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 132	$ 0
Commercial Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Agricultural Installment and Other Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Residential 1 to 4 Family [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Multifamily Real Estate [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Commercial Real Estate [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	1	0
Pre Modification Outstanding Recorded Investment	$ 111	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 132	$ 0
Construction Loans [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Farmland [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Second Mortgages [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	$ 0	$ 0
Home Equity Line of Credit [Member] | Real Estate Portfolio Segment [Member]
Number of Contracts	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0
Post Modification Outstanding Recorded Investment, Net of Related Allowance	0	$ 0
Performing Financial Instruments [Member]
Total TDRS	2,061		3,080
Nonperforming Financial Instruments [Member]
Total TDRS	$ 811		$ 1,467

Note 2 - Loans and Allowance _8

Note 2 - Loans and Allowance for Loan Losses - Loan Portfolio by Risk Rating (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Loans, gross	$ 2,169,687	$ 2,093,042	$ 2,058,001
Real Estate Portfolio Segment [Member]
Loans, gross	2,006,766	1,929,325
Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	519,775	511,250	458,304
Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	151,929	97,104	136,385
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	841,521	793,379	727,394
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	388,769	425,185	495,061
Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	18,610	19,268	23,438
Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	11,254	10,760	11,465
Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	74,908	72,379	61,656
Commercial Portfolio Segment [Member]
Loans, gross	95,547	98,265	77,921
Agricultural Installment and Other Portfolio Segment [Member]
Loans, gross	67,374	65,452	$ 66,377
Pass [Member]
Loans, gross	2,160,063	2,082,391
Pass [Member] | Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	511,772	503,861
Pass [Member] | Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	151,929	97,104
Pass [Member] | Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	840,914	791,610
Pass [Member] | Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	388,674	424,517
Pass [Member] | Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	18,453	19,106
Pass [Member] | Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	10,857	10,458
Pass [Member] | Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	74,754	72,237
Pass [Member] | Commercial Portfolio Segment [Member]
Loans, gross	95,525	98,243
Pass [Member] | Agricultural Installment and Other Portfolio Segment [Member]
Loans, gross	67,185	65,255
Special Mention [Member]
Loans, gross	5,622	3,936
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	5,096	2,923
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	0	0
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	0	0
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	63	635
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	102	103
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	273	174
Special Mention [Member] | Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	10	0
Special Mention [Member] | Commercial Portfolio Segment [Member]
Loans, gross	0	0
Special Mention [Member] | Agricultural Installment and Other Portfolio Segment [Member]
Loans, gross	78	101
Substandard [Member]
Loans, gross	4,002	6,715
Substandard [Member] | Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	2,907	4,466
Substandard [Member] | Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	0	0
Substandard [Member] | Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	607	1,769
Substandard [Member] | Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	32	33
Substandard [Member] | Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	55	59
Substandard [Member] | Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	124	128
Substandard [Member] | Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	144	142
Substandard [Member] | Commercial Portfolio Segment [Member]
Loans, gross	22	22
Substandard [Member] | Agricultural Installment and Other Portfolio Segment [Member]
Loans, gross	111	96
Doubtful [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Second Mortgages [Member]
Loans, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans, gross	0	0
Doubtful [Member] | Commercial Portfolio Segment [Member]
Loans, gross	0	0
Doubtful [Member] | Agricultural Installment and Other Portfolio Segment [Member]
Loans, gross	$ 0	$ 0

Note 3 - Debt and Equity Secu_3

Note 3 - Debt and Equity Securities (Details Textual) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Held-to-maturity, Total	$ 0	$ 0
Debt Securities, Available-for-sale, Amortized Cost, Total	400,731,000	420,207,000
Debt Securities, Available-for-sale, Total	407,224,000	421,145,000
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	44,027,000	46,994,000
Debt Securities, Available-for-sale, Total	$ 45,045,000	$ 47,442,000

Note 3 - Debt and Equity Secu_4

Note 3 - Debt and Equity Securities - Debt and Equity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Securities, Available-for-sale, Amortized Cost	$ 400,731	$ 420,207
Securities, Available-for-sale, Gross Unrealized Gains	8,190	2,908
Securities, Available-for-sale, Gross Unrealized Losses	1,697	1,970
Debt Securities, Available-for-sale, Total	407,224	421,145
US Government-sponsored Enterprises Debt Securities [Member]
Securities, Available-for-sale, Amortized Cost	52,754	59,735
Securities, Available-for-sale, Gross Unrealized Gains	305	48
Securities, Available-for-sale, Gross Unrealized Losses	121	204
Debt Securities, Available-for-sale, Total	52,938	59,579
Collateralized Mortgage Backed Securities [Member]
Securities, Available-for-sale, Amortized Cost	248,255	265,648
Securities, Available-for-sale, Gross Unrealized Gains	6,219	2,300
Securities, Available-for-sale, Gross Unrealized Losses	258	635
Debt Securities, Available-for-sale, Total	254,216	267,313
Asset-backed Securities [Member]
Securities, Available-for-sale, Amortized Cost	26,358	27,531
Securities, Available-for-sale, Gross Unrealized Gains	375	1
Securities, Available-for-sale, Gross Unrealized Losses	403	303
Debt Securities, Available-for-sale, Total	26,330	27,229
US States and Political Subdivisions Debt Securities [Member]
Securities, Available-for-sale, Amortized Cost	73,364	67,293
Securities, Available-for-sale, Gross Unrealized Gains	1,291	559
Securities, Available-for-sale, Gross Unrealized Losses	915	828
Debt Securities, Available-for-sale, Total	$ 73,740	$ 67,024

Note 3 - Debt and Equity Secu_5

Note 3 - Debt and Equity Securities - Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Due in one year or less, securities available-for-sale, amortized cost	$ 470
Due in one year or less, securities available-for-sale, estimated market value	469
Due after one year through five years, securities available-for-sale, amortized cost	12,372
Due after one year through five years, securities available-for-sale, estimated market value	12,486
Due after five years through ten years, securities available-for-sale, amortized cost	70,268
Due after five years through ten years, securities available-for-sale, estimated market value	71,430
Due after ten years, securities available-for-sale, amortized cost	317,621
Due after ten years, securities available-for-sale, estimated market value	322,839
Amortized cost	400,731	$ 420,207
Estimated market value	$ 407,224

Note 3 - Debt and Equity Secu_6

Note 3 - Debt and Equity Securities - Gross Unrealized Losses and Fair Value of Company's Investments (Details) $ in Thousands	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Available-for-Sale Securities, Less than 12 Months, Fair Value	$ 65,284	$ 110,599
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 1,603	$ 1,240
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included	52	62
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 6,336	$ 92,750
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 94	$ 730
Available-for-Sale Securities, 12 Months or More, Number of Securities Included	17	75
Available-for-Sale Securities, Total, Fair Value	$ 71,620	$ 203,349
Available-for-Sale Securities, Total, Unrealized Losses	1,697	1,970
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-Sale Securities, Less than 12 Months, Fair Value	7,093	16,507
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 121	$ 114
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included	3	5
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 0	$ 24,658
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 0	$ 90
Available-for-Sale Securities, 12 Months or More, Number of Securities Included	0	9
Available-for-Sale Securities, Total, Fair Value	$ 7,093	$ 41,165
Available-for-Sale Securities, Total, Unrealized Losses	121	204
Collateralized Mortgage Backed Securities [Member]
Available-for-Sale Securities, Less than 12 Months, Fair Value	17,935	45,862
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 206	$ 182
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included	9	21
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 5,163	$ 56,917
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 52	$ 453
Available-for-Sale Securities, 12 Months or More, Number of Securities Included	14	52
Available-for-Sale Securities, Total, Fair Value	$ 23,098	$ 102,779
Available-for-Sale Securities, Total, Unrealized Losses	258	635
Asset-backed Securities [Member]
Available-for-Sale Securities, Less than 12 Months, Fair Value	9,664	17,807
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 403	$ 161
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included	2	10
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 0	$ 7,317
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 0	$ 142
Available-for-Sale Securities, 12 Months or More, Number of Securities Included	0	4
Available-for-Sale Securities, Total, Fair Value	$ 9,664	$ 25,124
Available-for-Sale Securities, Total, Unrealized Losses	403	303
US States and Political Subdivisions Debt Securities [Member]
Available-for-Sale Securities, Less than 12 Months, Fair Value	30,592	30,423
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses	$ 873	$ 783
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included	38	26
Available-for-Sale Securities, 12 Months or More, Fair Value	$ 1,173	$ 3,858
Available-for-Sale Securities, 12 Months or More, Unrealized Losses	$ 42	$ 45
Available-for-Sale Securities, 12 Months or More, Number of Securities Included	3	10
Available-for-Sale Securities, Total, Fair Value	$ 31,765	$ 34,281
Available-for-Sale Securities, Total, Unrealized Losses	$ 915	$ 828

Note 4 - Earnings Per Share - B

Note 4 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator – Earnings available to common stockholders	$ 9,031	$ 8,290
Denominator – Weighted average number of common shares outstanding (in shares)	10,864,866	10,701,602
Basic earnings per common share (in dollars per share)	$ 0.83	$ 0.77
Numerator – Earnings available to common stockholders	$ 9,031	$ 8,290
Dilutive effect of stock options (in shares)	21,590	15,270
Weighted average diluted common shares outstanding (in shares)	10,886,456	10,716,872
Diluted earnings per common share (in dollars per share)	$ 0.83	$ 0.77

Note 5 - Income Taxes (Details

Note 5 - Income Taxes (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	$ 0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Unrecognized Tax Benefits, Ending Balance	$ 0
Open Tax Year	2017 2018 2019
State and Local Jurisdiction [Member]
Unrecognized Tax Benefits, Ending Balance	$ 0
Open Tax Year	2016 2017 2018 2019

Note 6 - Commitments and Cont_3

Note 6 - Commitments and Contingent Liabilities (Details Textual)	3 Months Ended
	Mar. 31, 2020
Real Estate Portfolio Segment [Member] | Residential 1 to 4 Family [Member]
Financing Receivable, Percentage of Loans Delivered to Investors	100.00%
Standby Letters of Credit [Member]
Debt Instrument, Term (Year)	2 years

Note 6 - Commitments and Cont_4

Note 6 - Commitments and Contingencies - Total Contractual Amount for All Off-balance Sheet Commitments (Details)	Mar. 31, 2020USD ($)
Standby Letters of Credit [Member]
Commitments	$ 72,727,000
Commitments to Extend Credit [Member]
Commitments	$ 684,851,000

Note 7 - Fair Value Measureme_3

Note 7 - Fair Value Measurements (Details Textual) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Impaired Financing Receivable, Related Allowance	$ 935,000	$ 1,136,000

Note 7 - Fair Value Measureme_4

Note 7 - Fair Value Measurements - Fair Value of Financial Instruments Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	$ 407,224	$ 421,145
Fair Value, Recurring [Member] | Reported Value Measurement [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	407,224	421,145
Mortgage loans held for sale	22,183	18,179
Derivative, fair value	503	328
Bank owned life insurance	31,945	31,762
Total assets	461,855	471,414
Mortgage banking derivatives	385	23
Total liabilities	385	23
Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Mortgage loans held for sale	0	0
Derivative, fair value	0	0
Bank owned life insurance	0	0
Total assets	0	0
Mortgage banking derivatives	0	0
Total liabilities	0	0
Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	407,224	421,145
Mortgage loans held for sale	22,183	18,179
Derivative, fair value	503	328
Bank owned life insurance	0	0
Total assets	429,910	439,652
Mortgage banking derivatives	385	23
Total liabilities	385	23
Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Mortgage loans held for sale	0	0
Derivative, fair value	0	0
Bank owned life insurance	31,945	31,762
Total assets	31,945	31,762
Mortgage banking derivatives	0	0
Total liabilities	0	0
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	52,938	59,579
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] | Reported Value Measurement [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	52,938	59,579
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	52,938	59,579
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Collateralized Mortgage Backed Securities [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	254,216	267,313
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Reported Value Measurement [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	254,216	267,313
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	254,216	267,313
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Asset-backed Securities [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	26,330	27,229
Asset-backed Securities [Member] | Fair Value, Recurring [Member] | Reported Value Measurement [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	26,330	27,229
Asset-backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
Asset-backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	26,330	27,229
Asset-backed Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	73,740	67,024
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Reported Value Measurement [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	73,740	67,024
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	73,740	67,024
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale, at market (amortized cost $400,731 and $420,207, respectively)	$ 0	$ 0

Note 7 - Fair Value Measureme_5

Note 7 - Fair Value Measurements - Fair Value of Financial Instruments Measured on a Non-recurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Reported Value Measurement [Member]
Other real estate owned		$ 697	$ 697
Impaired loans, net	[1]	1,498	3,916
Total assets		2,195	4,613
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Other real estate owned		0	0
Impaired loans, net	[1]	0	0
Total assets		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Other real estate owned		0	0
Impaired loans, net	[1]	0	0
Total assets		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Other real estate owned		697	697
Impaired loans, net	[1]	1,498	3,916
Total assets		$ 2,195	$ 4,613
[1]	Amount is net of a valuation allowance of $935,000 at March 31, 2020 and $1,136,000 at December 31, 2019 as required by ASC 310, "Receivables."

Note 7 - Fair Value Measureme_6

Note 7 - Fair Value Measurements - Additional Information on Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - Fair Value, Inputs, Level 3 [Member] - Measurement Input, Discount Rate [Member] - Weighted Average [Member]	Mar. 31, 2020	[1]
Impaired loans	0.10
Other real estate owned	0.10
[1]	The fair value is generally determined through independent appraisals of the underlying collateral, which may include Level 3 inputs that are not identifiable, or by using the discounted cash flow method if the loan is not collateral dependent.

Note 7 - Fair Value Measureme_7

Note 7 - Fair Value Measurements - Changes in Fair Value Due to Observable Factors (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Fair value, other assets	$ 31,762	$ 30,952
Fair value, other liabilities	0	0
Total realized gains included in income, other assets	183	199
Total realized gains included in income, other liabilities	0	0
Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at September 30, other assets	0	0
Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held at September 30, other liabilities	0	0
Purchases, issuances and settlements, net, other assets	0	0
Purchases, issuances and settlements, net, other liabilities	0	0
Transfers out of Level 3, other assets	0	0
Transfers out of Level 3, other liabilities	0	0
Fair value, other assets	31,945	31,151
Fair value, other liabilities	0	0
Total realized gains included in income related to financial assets and liabilities still on the consolidated balance sheet, other assets	183	199
Total realized gains included in income related to financial assets and liabilities still on the consolidated balance sheet, other liabilities	$ 0	$ 0

Note 7 - Fair Value Measureme_8

Note 7 - Fair Value Measurements - Carrying Value and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Restricted equity securities		$ 4,680	$ 4,680
Reported Value Measurement [Member]
Cash and cash equivalents		177,217	159,770
Loans, net		2,131,731	2,057,175
Restricted equity securities		4,680	4,680
Accrued interest receivable		7,027	5,945
Deposits		2,485,537	2,417,605
Federal Home Loan Bank borrowings		20,808	23,613
Accrued interest payable		3,214	3,814
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	[1]	177,217	159,770
Loans, net	[1]	2,141,796	2,053,212
Accrued interest receivable	[1]	7,027	5,945
Deposits	[1]	2,349,761	2,210,038
Federal Home Loan Bank borrowings		21,485	23,860
Accrued interest payable	[1]	3,214	3,814
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents		177,217	159,770
Loans, net		0	0
Accrued interest receivable		0	5
Deposits		0	0
Federal Home Loan Bank borrowings		0	0
Accrued interest payable		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents		0	0
Loans, net		0	0
Accrued interest receivable		1,534	1,647
Deposits		0	0
Federal Home Loan Bank borrowings		0	0
Accrued interest payable		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents		0	0
Loans, net		2,141,796	2,053,212
Accrued interest receivable		5,493	4,293
Deposits		2,349,761	2,210,038
Federal Home Loan Bank borrowings		21,485	23,860
Accrued interest payable		$ 3,214	$ 3,814
[1]	Estimated fair values are consistent with an exit-price concept. The assumptions used to estimate the fair values are intended to approximate those that a market-participant would realize in a hypothetical orderly transaction.

Note 8 - Equity Incentive Pla_2

Note 8 - Equity Incentive Plan (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2020	Jun. 30, 2016	Apr. 30, 2009
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)	132,389
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 40.88
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	$ 1,251,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 4 months 13 days
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Ending Balance (in shares)	128,696
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance (in dollars per share)	$ 42
The 2009 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)			100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)	14,834
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 33.76
The 2016 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)		750,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)	117,555
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share)	$ 41.78
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	471,004
The 2016 Equity Incentive Plan [Member] | Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Ending Balance (in shares)	128,696
Share-based Compensation Arrangement by Share-based Payment Award, Instruments Other Than Options, Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 42

Note 8 - Equity Incentive Pla_3

Note 8 - Equity Incentive Plan - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Issuance of shares of common stock, shares (in shares)	7,202	8,763
Outstanding, shares (in shares)	132,389
Outstanding, weighted average exercise price (in dollars per share)	$ 40.88
Stock Options and Stock Appreciation Rights [Member]
Outstanding, shares (in shares)	273,039	277,820
Outstanding, weighted average exercise price (in dollars per share)	$ 41.19	$ 40.11
Shares Granted (in shares)	0	0
Granted, Weighted Average Exercise Price (in dollars per share)	$ 0	$ 0
Issuance of shares of common stock, shares (in shares)	7,654	9,013
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 33.82	$ 35.13
Shares Forfeited or expired (in shares)	4,300	0
Forfeited or expired, Weighted Average Exercise Price (in dollars per share)	$ 39.46	$ 0
Outstanding, shares (in shares)	261,085	268,807
Outstanding, weighted average exercise price (in dollars per share)	$ 41.43	$ 40.28
Options and SARs exercisable, shares (in shares)	142,692	109,897
Options and SARs exercisable, weighted average exercise price (in dollars per share)	$ 40.40	$ 39.44

Note 9 - Mortgage Banking Der_3

Note 9 - Mortgage Banking Derivatives (Details Textual) - USD ($)	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Interest Rate Lock Commitments [Member]
Derivative, Notional Amount	$ 16,667,000		$ 10,307,000
Derivative Asset, Fair Value, Gross Asset, Total	503,000		328,000
Forward Contracts [Member]
Derivative, Notional Amount	22,000,000		14,000,000
Derivative Liability, Fair Value, Gross Liability, Total	$ 385,000	$ 385,000	$ 23,000

Note 9 - Mortgage Banking Der_4

Note 9 - Mortgage Banking Derivatives - Net Gains (Losses) Relating to Free-standing Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Forward Contracts [Member]
Net gains (losses)	$ (362)	$ (70)
Interest Rate Contract [Member]
Net gains (losses)	$ 175	$ 440

Note 9 - Mortgage Banking Der_5

Note 9 - Mortgage Banking Derivatives - Amount and Fair Value of Mortgage Banking Derivatives (Details) - USD ($)	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Interest Rate Contract [Member]
Derivative, amount	$ 16,667,000		$ 10,307,000
Derivative, fair value	503,000		328,000
Forward Contracts [Member]
Derivative, amount	22,000,000		14,000,000
Derivative, fair value	$ (385,000)	$ (385,000)	$ (23,000)