Mercantile Bank (MBWM) 10-Q 7 May 18 2018 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 30, 2018
Document Information [Line Items]
Entity Registrant Name	MERCANTILE BANK CORPORATION
Entity Central Index Key	1,042,729
Trading Symbol	mbwm
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		16,598,027
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q1
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and due from banks	$ 47,278,000	$ 55,127,000
Interest-earning deposits	163,879,000	144,974,000
Total cash and cash equivalents	211,157,000	200,101,000
Securities available for sale	336,988,000	335,744,000
Federal Home Loan Bank stock	11,036,000	11,036,000
Loans	2,551,204,000	2,558,552,000
Allowance for loan losses	(19,974,000)	(19,501,000)
Loans, net	2,531,230,000	2,539,051,000
Premises and equipment, net	46,300,000	46,034,000
Bank owned life insurance	69,010,000	68,689,000
Goodwill	49,473,000	49,473,000
Core deposit intangible	7,044,000	7,600,000
Other assets	31,662,000	28,976,000
Total assets	3,293,900,000	3,286,704,000
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	830,187,000	866,380,000
Interest-bearing	1,709,866,000	1,655,985,000
Total deposits	2,540,053,000	2,522,365,000
Securities sold under agreements to repurchase	104,894,000	118,748,000
Federal Home Loan Bank advances	220,000,000	220,000,000
Subordinated debentures	45,688,000	45,517,000
Accrued interest and other liabilities	14,925,000	14,204,000
Total liabilities	2,925,560,000	2,920,834,000
Shareholders' equity
Preferred stock, no par value; 1,000,000 shares authorized; none issued	0	0
Common stock, no par value; 40,000,000 shares authorized; 16,598,466 shares outstanding at March 31, 2018 and 16,592,125 shares outstanding at December 31, 2017	310,601,000	309,772,000
Retained earnings	68,241,000	61,001,000
Accumulated other comprehensive income (loss)	(10,502,000)	(4,903,000)
Total shareholders’ equity	368,340,000	365,870,000
Total liabilities and shareholders’ equity	$ 3,293,900,000	$ 3,286,704,000

Condensed Consolidated Balance3

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares $ / shares in Thousands	Mar. 31, 2018	Dec. 31, 2017
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares outstanding (in shares)	16,598,466	16,592,125

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest income
Loans, including fees	$ 32,315,000	$ 26,733,000
Securities, taxable	1,602,000	1,278,000
Securities, tax-exempt	594,000	550,000
Other interest-earning assets	470,000	143,000
Total interest income	34,981,000	28,704,000
Interest expense
Deposits	3,085,000	1,868,000
Short-term borrowings	57,000	51,000
Federal Home Loan Bank advances	945,000	655,000
Subordinated debentures and other borrowings	695,000	621,000
Total interest expense	4,782,000	3,195,000
Net interest income	30,199,000	25,509,000
Provision for loan losses	0	600,000
Net interest income after provision for loan losses	30,199,000	24,909,000
Noninterest income:
Earnings on bank owned life insurance	331,000	1,738,000
Other income	870,000	866,000
Total noninterest income	4,381,000	5,851,000
Noninterest expense
Salaries and benefits	12,337,000	11,272,000
Occupancy	1,772,000	1,554,000
Furniture and equipment depreciation, rent and maintenance	548,000	535,000
Data processing costs	2,128,000	2,011,000
Other expense	4,362,000	4,404,000
Total noninterest expenses	21,147,000	19,776,000
Income before federal income tax expense	13,433,000	10,984,000
Federal income tax expense	2,552,000	3,369,000
Net income	$ 10,881,000	$ 7,615,000
Basic earnings per share (in dollars per share)	$ 0.66	$ 0.46
Diluted earnings per share (in dollars per share)	0.66	0.46
Cash dividends per common share (in dollars per share)	$ 0.22	$ 0.18
Average basic shares outstanding (in shares)	16,595,115	16,434,647
Average diluted shares outstanding (in shares)	16,604,325	16,449,210
Deposit Account [Member]
Noninterest income:
Noninterest income	$ 1,053,000	$ 1,018,000
Credit and Debit Card [Member]
Noninterest income:
Noninterest income	1,243,000	1,106,000
Mortgage Banking [Member]
Noninterest income:
Noninterest income	$ 884,000	$ 1,123,000

Condensed Consolidated Stateme5

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 10,881,000	$ 7,615,000
Other comprehensive income (loss):
Unrealized holding gains (losses) on securities available for sale	(7,142,000)	980,000
Fair value of interest rate swap	2,000	42,000
Total other comprehensive income (loss)	(7,140,000)	1,022,000
Tax effect of unrealized holding gains (losses) on securities available for sale	1,500,000	(343,000)
Tax effect of fair value of interest rate swap	(1,000)	(15,000)
Total tax effect of other comprehensive income	1,499,000	(358,000)
Other comprehensive income (loss), net of tax effect	(5,641,000)	664,000
Comprehensive income	$ 5,240,000	$ 8,279,000

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances at Dec. 31, 2016	$ 0	$ 305,488,000	$ 40,904,000	$ (5,581,000)	$ 340,811,000
Employee stock purchase plan		12,000			12,000
Dividend reinvestment plan		1,145,000			1,145,000
Stock option exercises		248,000			248,000
Stock grant for director fees		2,000			2,000
Stock-based compensation expense		476,000			476,000
Cash dividends			(2,923,000)		(2,923,000)
Net income			7,615,000		7,615,000
Change in net unrealized holding gain/(loss) on securities available for sale, net of tax effect				637,000	637,000
Change in fair value of interest rate swap, net of tax effect				27,000	27,000
Balances at Mar. 31, 2017	0	307,371,000	45,596,000	(4,917,000)	348,050,000
Balances at Dec. 31, 2017	0	309,772,000	61,001,000	(4,903,000)	365,870,000
Reclassification of equity securities related to ASU 2016-01 adoption at Dec. 31, 2017			(42,000)	42,000	0
Employee stock purchase plan		14,000			14,000
Dividend reinvestment plan		164,000			164,000
Stock option exercises		54,000			54,000
Stock-based compensation expense		597,000			597,000
Cash dividends			(3,599,000)		(3,599,000)
Net income			10,881,000		10,881,000
Change in net unrealized holding gain/(loss) on securities available for sale, net of tax effect				(5,642,000)	(5,642,000)
Change in fair value of interest rate swap, net of tax effect				1,000	1,000
Balances at Mar. 31, 2018	$ 0	$ 310,601,000	$ 68,241,000	$ (10,502,000)	$ 368,340,000

Condensed Consolidated Stateme7

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash dividends per common share (in dollars per share)	$ 0.22	$ 0.18
Retained Earnings [Member]
Cash dividends per common share (in dollars per share)	$ 0.22	$ 0.18
Common Stock [Member]
Employee stock purchase plan (in shares)	426	338
Dividend reinvestment plan (in shares)	4,624	35,319
Stock option exercises (in shares)	7,000	20,000
Stock grants to directors (in shares)		62

Condensed Consolidated Stateme8

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net income	$ 10,881,000	$ 7,615,000
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	2,483,000	2,548,000
Accretion of acquired loans	(357,000)	(483,000)
Provision for loan losses	0	600,000
Stock-based compensation expense	597,000	476,000
Stock grants to directors for retainer fees	0	2,000
Proceeds from sales of mortgage loans held for sale	21,010,000	19,317,000
Origination of mortgage loans held for sale	(19,585,000)	(19,342,000)
Net gain from sales of mortgage loans held for sale	(736,000)	(867,000)
Net gain from sales and valuation write-downs of foreclosed assets	(105,000)	(43,000)
Net loss from sales and valuation write-downs of former bank premises	99,000	15,000
Net loss from sales and write-downs of fixed assets	53,000	40,000
Earnings on bank owned life insurance	(331,000)	(1,738,000)
Net change in:
Accrued interest receivable	(820,000)	(828,000)
Other assets	(866,000)	(321,000)
Accrued interest and other liabilities	722,000	980,000
Net cash from operating activities	13,045,000	7,971,000
Cash flows from investing activities
Loan originations and payments, net	7,257,000	(61,701,000)
Purchases of securities available for sale	(13,303,000)	(14,701,000)
Proceeds from maturities, calls and repayments of securities available for sale	4,609,000	10,858,000
Purchases of Federal Home Loan Bank stock	0	(1,210,000)
Proceeds from sales of foreclosed assets	410,000	99,000
Proceeds from bank owned life insurance cash value release and death benefits	0	2,720,000
Net purchases of premises and equipment	(1,429,000)	(1,138,000)
Net cash for investing activities	(2,456,000)	(65,073,000)
Cash flows from financing activities
Net decrease in time deposits	(8,412,000)	(55,203,000)
Net increase (decrease) in all other deposits	26,100,000	(41,766,000)
Net decrease in securities sold under agreements to repurchase	(13,854,000)	(5,031,000)
Maturities of Federal Home Loan Bank advances	0	(10,000,000)
Proceeds from Federal Home Loan Bank advances	0	40,000,000
Proceeds from stock option exercises	54,000	248,000
Employee stock purchase plan	14,000	12,000
Dividend reinvestment plan	164,000	1,145,000
Payment of cash dividends to common shareholders	(3,599,000)	(2,923,000)
Net cash from (for) financing activities	467,000	(73,518,000)
Net change in cash and cash equivalents	11,056,000	(130,620,000)
Cash and cash equivalents at beginning of period	200,101,000	183,596,000
Cash and cash equivalents at end of period	211,157,000	52,976,000
Supplemental disclosures of cash flows information
Interest	4,529,000	3,322,000
Federal income tax	0	0
Noncash financing and investing activities:
Transfers from loans to foreclosed assets	232,000	97,000
Transfers from bank premises to other real estate owned	$ 296,000	$ 0

Note 1 - Significant Accounting

Note 1 - Significant Accounting Policies	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Significant Accounting Policies [Text Block]	1. SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation three March 31, 2018 two 10 303 not not March 31, 2018 not 10 December 31, 2017. We have five not Earnings Per Share Approximately 236,000 three March 31, 2018. 17,000 three March 31, 2018. 7,000 not three March 31, 2018. Approximately 225,000 three March 31, 2017. 34,000 three March 31, 2017. 7,000 not three March 31, 2017. Securities Interest income includes amortization of purchase premiums and accretion of discounts. Premiums and discounts on securities are amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Gains and losses on sales are recorded on the trade date and determined using the specific identification method. Declines in the fair value of debt securities below their amortized cost that are other than temporary (“OTTI”) are reflected in earnings or other comprehensive income, as appropriate. For those debt securities whose fair value is less than their amortized cost, we consider our intent to sell the security, whether it is more likely than not not two 1 2 Loans Interest income on commercial loans and mortgage loans is discontinued at the time the loan is 90 no 120 All interest accrued but not Loans Held for Sale March 31, 2018 December 31, 2017, $1.9 $2.6 Mortgage loans held for sale are generally sold with servicing rights retained. Gains and losses on sales of mortgage loans are based on the difference between the selling price and the carrying value of the related loan sold, which is reduced by the cost allocated to the servicing right. We generally lock in the sale price to the purchaser of the loan at the same time we make a rate commitment to the borrower. These mortgage banking activities are not $611 March 31, 2018. Mortgage Banking Activities Servicing fee income is recorded for fees earned for servicing mortgage loans. The fees are based on a contractual percentage of the outstanding principal or a fixed amount per loan and are recorded as income when earned. Amortization of mortgage loan servicing rights is netted against mortgage loan servicing income and recorded in mortgage banking activities in the income statement. Troubled Debt Restructurings not may In accordance with current accounting guidance, loans modified as troubled debt restructurings are, by definition, considered to be impaired loans. Impairment for these loans is measured on a loan-by-loan basis similar to other impaired loans as described below under “Allowance for Loan Losses.” Certain loans modified as troubled debt restructurings may two Allowance for Loan Losses may A loan is considered to be impaired when, based on current information and events, it is probable we will be unable to collect the scheduled payments of principal and interest when due according to the contractual terms of the loan agreement. Factors considered in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not Derivatives not Changes in the fair value of derivatives that are designated, for accounting purposes, as a hedge of the variability of cash flows to be received on various assets and liabilities and are effective are reported in other comprehensive income. They are later reclassified into earnings in the same periods during which the hedged transaction affects earnings and are included in the line item in which the hedged cash flows are recorded. If hedge accounting does not If designated as a hedge, we formally document the relationship between derivatives as hedged items, as well as the risk-management objective and the strategy for undertaking hedge transactions. This documentation includes linking cash flow hedges to specific assets and liabilities on the balance sheet. If designated as a hedge, we also formally assess, both at the hedge’s inception and on an ongoing basis, whether the derivative instruments that are used are highly effective in offsetting changes in cash flows of the hedged items. Ineffective hedge gains and losses are recognized immediately in current earnings as noninterest income or expense. We discontinue hedge accounting when we determine the derivative is no no Goodwill and Core Deposit Intangible may not may not not two 2016 2017, not no The core deposit intangible that arose from the Firstbank Corporation acquisition was initially measured at fair value and is being amortized into noninterest expense over a ten Revenue from Contracts with Customers 606, “Revenue from Contracts with Customers” 606” 606, not Our primary sources of revenue are derived from interest and dividends earned on loans, securities and other financial instruments that are not 606. not 606 Adoption of New Accounting Standards: May 2014, 2014 09, Revenue from Contracts with Customers five January 1, 2018 Adoption of ASU 2014 09 not not not not 2014 09 not not not In January 2016, 2016 01, Recognition and Measurement of Financial Assets and Financial Liabilities January 1, 2018 not 10. In February 2016, 2016 02, Leases 12 December 15, 2018. not In June 2016, No. 2016 13, Measurement of Credit Losses on Financial Instruments not not December 15, 2019, December 15, 2018. first 2018. In August 2016, No. 2016 15, Classification of Certain Cash Receipts and Cash Payments eight December 15, 2017. not In March 2017, No. 2017 08, Premium Amortization on Purchased Callable Debt Securities not December 15, 2018, not In August 2017, 2017 12, Targeted Improvements to Accounting for Hedging Activities December 15, 2018, In February 2018, 2018 02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income 35% 21% not December 15, 2018. December 31, 2017, $0.9 2017.

Note 2 - Securities

Note 2 - Securities	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	2. SECURITIES The amortized cost and fair value of available for sale securities and the related pre-tax gross unrealized gains and losses recognized in accumulated other comprehensive income are as follows: Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value March 31, 2018 U.S. Government agency debt obligations $ 184,422,000 $ 4,000 $ (11,257,000 ) $ 173,169,000 Mortgage-backed securities 41,104,000 278,000 (1,031,000 ) 40,351,000 Municipal general obligation bonds 118,881,000 404,000 (1,625,000 ) 117,660,000 Municipal revenue bonds 3,910,000 6,000 (73,000 ) 3,843,000 Other investments 2,018,000 0 (53,000 ) 1,965,000 $ 350,335,000 $ 692,000 $ (14,039,000 ) $ 336,988,000 December 31, 2017 U.S. Government agency debt obligations $ 175,953,000 $ 99,000 $ (6,352,000 ) $ 169,700,000 Mortgage-backed securities 38,967,000 335,000 (510,000 ) 38,792,000 Municipal general obligation bonds 121,040,000 891,000 (638,000 ) 121,293,000 Municipal revenue bonds 3,978,000 30,000 (30,000 ) 3,978,000 Other investments 2,010,000 0 (29,000 ) 1,981,000 $ 341,948,000 $ 1,355,000 $ (7,559,000 ) $ 335,744,000 Securities with unrealized losses at March 31, 2018 December 31, 2017, Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Loss Value Loss Value Loss March 31, 2018 U.S. Government agency debt obligations $ 44,594,000 $ 1,464,000 $ 126,600,000 $ 9,793,000 $ 171,194,000 $ 11,257,000 Mortgage-backed securities 14,519,000 479,000 18,867,000 552,000 33,386,000 1,031,000 Municipal general obligation bonds 43,826,000 615,000 43,537,000 1,010,000 87,363,000 1,625,000 Municipal revenue bonds 1,499,000 16,000 1,159,000 57,000 2,658,000 73,000 Other investments 1,518,000 53,000 0 0 1,518,000 53,000 $ 105,956,000 $ 2,627,000 $ 190,163,000 $ 11,412,000 $ 296,119,000 $ 14,039,000 Less than 12 Months 12 Months or More Total Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss December 31, 2017 U.S. Government agency debt obligations $ 35,677,000 $ 434,000 $ 115,374,000 $ 5,918,000 $ 151,051,000 $ 6,352,000 Mortgage-backed securities 10,179,000 156,000 21,084,000 354,000 31,263,000 510,000 Municipal general obligation bonds 12,807,000 114,000 54,703,000 524,000 67,510,000 638,000 Municipal revenue bonds 0 0 1,187,000 30,000 1,187,000 30,000 Other investments 1,510,000 29,000 0 0 1,510,000 29,000 $ 60,173,000 $ 733,000 $ 192,348,000 $ 6,826,000 $ 252,521,000 $ 7,559,000 We evaluate securities for other-than-temporary impairment at least on a quarterly basis. Consideration is given to the length of time and the extent to which the fair value has been less than cost, the financial condition and near-term prospects of the issuer, and the intent and ability we have to retain our investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. For those debt securities whose fair value is less than their amortized cost basis, we also consider our intent to sell the security, whether it is more likely than not not may At March 31, 2018, 394 one $296 $14.0 not not not no The amortized cost and fair value of debt securities at March 31, 2018, may may not Weighted Average Amortized Fair Yield (%) Cost Value Due in 2018 1.86 $ 28,193,000 $ 28,181,000 Due in 2019 through 2023 2.12 65,051,000 64,576,000 Due in 2024 through 2028 2.52 99,189,000 94,685,000 Due in 2029 and beyond 2.95 114,780,000 107,230,000 Mortgage-backed securities 2.33 41,104,000 40,351,000 Other investments 2.84 2,018,000 1,965,000 Total available for sale securities 2.51 $ 350,335,000 $ 336,988,000 Securities issued by the State of Michigan and all its political subdivisions had a combined amortized cost of $112 March 31, 2018 December 31, 2017, $111 $112 $10.8 $12.9 March 31, 2018 December 31, 2017, $10.7 $13.0 not 10% The carrying value of U.S. Government agency debt obligations and mortgage-backed securities that are pledged to secure repurchase agreements was $105 $119 March 31, 2018 December 31, 2017, may

Note 3 - Loans and Allowance fo

Note 3 - Loans and Allowance for Loan Losses	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	3. LOANS AND ALLOWANCE FOR LOAN LOSSES Loans originated for investment are stated at their principal amount outstanding adjusted for partial charge-offs, the allowance, and net deferred loan fees and costs. Interest income on loans is accrued over the term of the loans primarily using the simple interest method based on the principal balance outstanding. Interest is not Acquired loans are those purchased in the Firstbank merger. These loans were recorded at estimated fair value at the merger date with no not not The fair value estimates for acquired loans are based on expected prepayments and the amount and timing of discounted expected principal, interest and other cash flows. Credit discounts representing the principal losses expected over the life of the loan are also a component of the initial fair value. In determining the merger date fair value of acquired impaired loans, and in subsequent accounting, we have generally aggregated acquired commercial and consumer loans into pools of loans with common risk characteristics. The difference between the fair value of an acquired non-impaired loan and contractual amounts due at the merger date is accreted into income over the estimated life of the loan. Contractually required payments represent the total undiscounted amount of all uncollected principal and interest payments. Acquired non-impaired loans are placed on nonaccrual status and reported as nonperforming or past due using the same criteria applied to the originated loan portfolio. The excess of an acquired impaired loan’s undiscounted contractually required payments over the amount of its undiscounted cash flows expected to be collected is referred to as the non-accretable difference. The non-accretable difference, which is neither accreted into income nor recorded on the consolidated balance sheet, reflects estimated future credit losses and uncollectible contractual interest expected to be incurred over the life of the acquired impaired loan. The excess cash flows expected to be collected over the carrying amount of the acquired loan is referred to as the accretable yield. This amount is accreted into interest income over the remaining life of the acquired loans or pools using the level yield method. The accretable yield is affected by changes in interest rate indices for variable rate loans, changes in prepayment speed assumptions and changes in expected principal and interest payments over the estimated lives of the acquired impaired loans. We evaluate quarterly the remaining contractual required payments receivable and estimate cash flows expected to be collected over the lives of the impaired loans. Contractually required payments receivable may not Increases in expected cash flows of acquired impaired loans subsequent to the merger date are recognized prospectively through adjustments of the yield on the loans or pools over their remaining lives, while decreases in expected cash flows are recognized as impairment through a provision for loan losses and an increase in the allowance. Our total loans at March 31, 2018 $2.55 $2.56 December 31, 2017, $7.3 0.3%. March 31, 2018 December 31, 2017, 2017 first 2018, Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Originated loans Commercial: Commercial and industrial $ 675,188,000 30.8 % $ 680,805,000 31.3 % (0.8 %) Vacant land, land development, and residential construction 25,514,000 1.2 23,682,000 1.1 7.7 Real estate – owner occupied 468,777,000 21.4 456,065,000 21.0 2.8 Real estate – non-owner occupied 715,725,000 32.6 708,824,000 32.7 1.0 Real estate – multi-family and residential rental 61,762,000 2.8 64,852,000 3.0 (4.8 ) Total commercial 1,946,966,000 88.8 1,934,228,000 89.1 0.7 Retail: Home equity and other 65,604,000 3.0 69,675,000 3.2 (5.8 ) 1-4 family mortgages 179,281,000 8.2 166,054,000 7.7 8.0 Total retail 244,885,000 11.2 235,729,000 10.9 3.9 Total originated loans $ 2,191,851,000 100.0 % $ 2,169,957,000 100.0 % 1.0 % Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Acquired loans Commercial: Commercial and industrial $ 64,617,000 18.0 % $ 72,959,000 18.8 % (11.4 %) Vacant land, land development, and residential construction 5,924,000 1.6 6,191,000 1.6 (4.3 ) Real estate – owner occupied 62,375,000 17.5 70,263,000 18.1 (11.2 ) Real estate – non-owner occupied 78,481,000 21.8 82,861,000 21.3 (5.3 ) Real estate – multi-family and residential rental 34,666,000 9.6 37,066,000 9.5 (6.5 ) Total commercial 246,063,000 68.5 269,340,000 69.3 (8.6 ) Retail: Home equity and other 27,575,000 7.7 30,750,000 7.9 (10.3 ) 1-4 family mortgages 85,715,000 23.8 88,505,000 22.8 (3.2 ) Total retail 113,290,000 31.5 119,255,000 30.7 (5.0 ) Total acquired loans $ 359,353,000 100.0 % $ 388,595,000 100.0 % (7.5 %) Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Total loans Commercial: Commercial and industrial $ 739,805,000 29.0 % $ 753,764,000 29.4 % (1.9 %) Vacant land, land development, and residential construction 31,438,000 1.2 29,873,000 1.2 5.2 Real estate – owner occupied 531,152,000 20.8 526,328,000 20.6 0.9 Real estate – non-owner occupied 794,206,000 31.2 791,685,000 30.9 0.3 Real estate – multi-family and residential rental 96,428,000 3.8 101,918,000 4.0 (5.4 ) Total commercial 2,193,029,000 86.0 2,203,568,000 86.1 (0.5 ) Retail: Home equity and other 93,179,000 3.6 100,425,000 3.9 (7.2 ) 1-4 family mortgages 264,996,000 10.4 254,559,000 10.0 4.1 Total retail 358,175,000 14.0 354,984,000 13.9 0.9 Total loans $ 2,551,204,000 100.0 % $ 2,558,552,000 100.0 % (0.3 %) The total contractually required payments due on and carrying value of acquired impaired loans were $9.2 $5.0 March 31, 2018. $11.9 $5.2 December 31, 2017. three March 31, 2018 March 31, 2017 Balance at December 31, 2017 $ 1,404,000 Additions 0 Accretion income (131,000 ) Net reclassification from nonaccretable to accretable 86,000 Reductions (1) (40,000 ) Balance at March 31, 2018 $ 1,319,000 Balance at December 31, 2016 $ 1,726,000 Additions 1,000 Accretion income (147,000 ) Net reclassification from nonaccretable to accretable 63,000 Reductions (1) (179,000 ) Balance at March 31, 2017 $ 1,464,000 ( 1 Nonperforming originated loans as of March 31, 2018 December 31, 2017 March 31, December 31, 2018 2017 Loans past due 90 days or more still accruing interest $ 0 $ 0 Nonaccrual loans 2,763,000 3,672,000 Total nonperforming originated loans $ 2,763,000 $ 3,672,000 Nonperforming acquired loans as of March 31, 2018 December 31, 2017 March 31, December 31, 2018 2017 Loans past due 90 days or more still accruing interest $ 0 $ 0 Nonaccrual loans 2,979,000 3,471,000 Total nonperforming acquired loans $ 2,979,000 $ 3,471,000 The recorded principal balance of all nonperforming loans was as follows: March 31, December 31, 2018 2017 Commercial: Commercial and industrial $ 619,000 $ 1,444,000 Vacant land, land development, and residential construction 0 35,000 Real estate – owner occupied 1,831,000 2,241,000 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 154,000 178,000 Total commercial 2,604,000 3,898,000 Retail: Home equity and other 512,000 577,000 1-4 family mortgages 2,626,000 2,668,000 Total retail 3,138,000 3,245,000 Total nonperforming loans $ 5,742,000 $ 7,143,000 Acquired impaired loans are not An age analysis of past due loans is as follows as of March 31, 2018: 30 – 59 Days Past Due 60 – 89 Days Past Due Greater Than 89 Days Past Due Total Past Due Current Total Loans Recorded Balance > 89 Days and Accruing Originated loans Commercial: Commercial and industrial $ 1,350,000 $ 929,000 $ 0 $ 2,279,000 $ 672,909,000 $ 675,188,000 $ 0 Vacant land, land development, and residential construction 0 0 0 0 25,514,000 25,514,000 0 Real estate – owner occupied 0 0 251,000 251,000 468,526,000 468,777,000 0 Real estate – non-owner occupied 0 0 0 0 715,725,000 715,725,000 0 Real estate – multi-family and residential rental 0 0 0 0 61,762,000 61,762,000 0 Total commercial 1,350,000 929,000 251,000 2,530,000 1,944,436,000 1,946,966,000 0 Retail: Home equity and other 65,000 0 0 65,000 65,539,000 65,604,000 0 1-4 family mortgages 0 246,000 220,000 466,000 178,815,000 179,281,000 0 Total retail 65,000 246,000 220,000 531,000 244,354,000 244,885,000 0 Total past due loans $ 1,415,000 $ 1,175,000 $ 471,000 $ 3,061,000 $ 2,188,790,000 $ 2,191,851,000 $ 0 30 – 59 60 – 89 Greater Than 89 Recorded Balance > 89 Days Days Days Total Total Days and Past Due Past Due Past Due Past Due Current Loans Accruing Acquired loans Commercial: Commercial and industrial $ 0 $ 0 $ 113,000 $ 113,000 $ 64,504,000 $ 64,617,000 $ 0 Vacant land, land development, and residential construction 0 0 0 0 5,924,000 5,924,000 0 Real estate – owner occupied 0 156,000 243,000 399,000 61,976,000 62,375,000 0 Real estate – non-owner occupied 0 0 0 0 78,481,000 78,481,000 0 Real estate – multi-family and residential rental 27,000 0 9,000 36,000 34,630,000 34,666,000 0 Total commercial 27,000 156,000 365,000 548,000 245,515,000 246,063,000 0 Retail: Home equity and other 163,000 44,000 42,000 249,000 27,326,000 27,575,000 0 1-4 family mortgages 645,000 231,000 475,000 1,351,000 84,364,000 85,715,000 0 Total retail 808,000 275,000 517,000 1,600,000 111,690,000 113,290,000 0 Total past due loans $ 835,000 $ 431,000 $ 882,000 $ 2,148,000 $ 357,205,000 $ 359,353,000 $ 0 An age analysis of past due loans is as follows as of December 31, 2017: 30 – 59 Days Past Due 60 – 89 Days Past Due Greater Than 89 Days Past Due Total Past Due Current Total Loans Recorded Balance > 89 Days and Accruing Originated loans Commercial: Commercial and industrial $ 0 $ 0 $ 178,000 $ 178,000 $ 680,627,000 $ 680,805,000 $ 0 Vacant land, land development, and residential construction 0 0 35,000 35,000 23,647,000 23,682,000 0 Real estate – owner occupied 0 0 1,244,000 1,244,000 454,821,000 456,065,000 0 Real estate – non-owner occupied 0 0 0 0 708,824,000 708,824,000 0 Real estate – multi-family and residential rental 0 0 0 0 64,852,000 64,852,000 0 Total commercial 0 0 1,457,000 1,457,000 1,932,771,000 1,934,228,000 0 Retail: Home equity and other 647,000 11,000 86,000 744,000 68,931,000 69,675,000 0 1-4 family mortgages 0 0 250,000 250,000 165,804,000 166,054,000 0 Total retail 647,000 11,000 336,000 994,000 234,735,000 235,729,000 0 Total past due loans $ 647,000 $ 11,000 $ 1,793,000 $ 2,451,000 $ 2,167,506,000 $ 2,169,957,000 $ 0 30 – 59 60 – 89 Greater Than 89 Recorded Balance > 89 Days Days Days Total Total Days and Past Due Past Due Past Due Past Due Current Loans Accruing Acquired Loans Commercial: Commercial and industrial $ 40,000 $ 0 $ 114,000 $ 154,000 $ 72,805,000 $ 72,959,000 $ 0 Vacant land, land development, and residential construction 14,000 0 0 14,000 6,177,000 6,191,000 0 Real estate – owner occupied 634,000 0 271,000 905,000 69,358,000 70,263,000 0 Real estate – non-owner occupied 0 0 0 0 82,861,000 82,861,000 0 Real estate – multi-family and residential rental 0 0 108,000 108,000 36,958,000 37,066,000 0 Total commercial 688,000 0 493,000 1,181,000 268,159,000 269,340,000 0 Retail: Home equity and other 408,000 52,000 154,000 614,000 30,136,000 30,750,000 0 1-4 family mortgages 690,000 333,000 661,000 1,684,000 86,821,000 88,505,000 0 Total retail 1,098,000 385,000 815,000 2,298,000 116,957,000 119,255,000 0 Total past due loans $ 1,786,000 $ 385,000 $ 1,308,000 $ 3,479,000 $ 385,116,000 $ 388,595,000 $ 0 Impaired originated loans as of March 31, 2018, three March 31, 2018, First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 234,000 $ 234,000 $ 206,000 Vacant land, land development and residential construction 0 0 17,000 Real estate – owner occupied 2,937,000 2,875,000 2,164,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 337,000 337,000 343,000 Total commercial 3,508,000 3,446,000 2,730,000 Retail: Home equity and other 768,000 751,000 716,000 1-4 family mortgages 1,106,000 419,000 437,000 Total retail 1,874,000 1,170,000 1,153,000 Total with no related allowance recorded $ 5,382,000 $ 4,616,000 $ 3,883,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 2,623,000 $ 2,133,000 $ 304,000 $ 2,561,000 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 1,717,000 1,674,000 226,000 1,532,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 145,000 145,000 17,000 72,000 Total commercial 4,485,000 3,952,000 547,000 4,165,000 Retail: Home equity and other 508,000 498,000 258,000 823,000 1-4 family mortgages 412,000 354,000 58,000 232,000 Total retail 920,000 852,000 316,000 1,055,000 Total with an allowance recorded $ 5,405,000 $ 4,804,000 $ 863,000 $ 5,220,000 Total impaired loans: Commercial $ 7,993,000 $ 7,398,000 $ 547,000 $ 6,895,000 Retail 2,794,000 2,022,000 316,000 2,208,000 Total impaired loans $ 10,787,000 $ 9,420,000 $ 863,000 $ 9,103,000 Impaired acquired loans as of March 31, 2018, three March 31, 2018, First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 743,000 $ 733,000 $ 877,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 1,110,000 715,000 687,000 Real estate – non-owner occupied 232,000 232,000 235,000 Real estate – multi-family and residential rental 62,000 44,000 131,000 Total commercial 2,147,000 1,724,000 1,930,000 Retail: Home equity and other 690,000 649,000 578,000 1-4 family mortgages 2,586,000 2,007,000 2,080,000 Total retail 3,276,000 2,656,000 2,658,000 Total with no related allowance recorded $ 5,423,000 $ 4,380,000 $ 4,588,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 1,597,000 1,597,000 307,000 799,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 0 0 0 0 Total commercial 1,597,000 1,597,000 307,000 799,000 Retail: Home equity and other 0 0 0 0 1-4 family mortgages 0 0 0 0 Total retail 0 0 0 0 Total with an allowance recorded $ 1,597,000 $ 1,597,000 $ 307,000 $ 799,000 Total impaired loans: Commercial $ 3,744,000 $ 3,321,000 $ 307,000 $ 2,729,000 Retail 3,276,000 2,656,000 0 2,658,000 Total impaired loans $ 7,020,000 $ 5,977,000 $ 307,000 $ 5,387,000 Impaired originated loans as of December 31, 2017, three March 31, 2017, First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 765,000 $ 178,000 $ 1,589,000 Vacant land, land development and residential construction 454,000 35,000 88,000 Real estate – owner occupied 1,528,000 1,452,000 113,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 349,000 349,000 197,000 Total commercial 3,096,000 2,014,000 1,987,000 Retail: Home equity and other 693,000 680,000 247,000 1-4 family mortgages 1,126,000 456,000 649,000 Total retail 1,819,000 1,136,000 896,000 Total with no related allowance recorded $ 4,915,000 $ 3,150,000 $ 2,883,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 3,038,000 $ 2,989,000 $ 963,000 $ 2,690,000 Vacant land, land development and residential construction 0 0 0 749,000 Real estate – owner occupied 1,409,000 1,391,000 239,000 1,144,000 Real estate – non-owner occupied 0 0 0 4,745,000 Real estate – multi-family and residential rental 0 0 0 751,000 Total commercial 4,447,000 4,380,000 1,202,000 10,079,000 Retail: Home equity and other 1,225,000 1,147,000 652,000 697,000 1-4 family mortgages 165,000 110,000 13,000 137,000 Total retail 1,390,000 1,257,000 665,000 834,000 Total with an allowance recorded $ 5,837,000 $ 5,637,000 $ 1,867,000 $ 10,913,000 Total impaired loans: Commercial $ 7,543,000 $ 6,394,000 $ 1,202,000 $ 12,066,000 Retail 3,209,000 2,393,000 665,000 1,730,000 Total impaired loans $ 10,752,000 $ 8,787,000 $ 1,867,000 $ 13,796,000 Impaired acquired loans as of December 31, 2017, three March 31, 2017, First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 1,039,000 $ 1,021,000 $ 892,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 1,027,000 659,000 1,151,000 Real estate – non-owner occupied 238,000 237,000 751,000 Real estate – multi-family and residential rental 237,000 218,000 160,000 Total commercial 2,541,000 2,135,000 2,954,000 Retail: Home equity and other 694,000 507,000 336,000 1-4 family mortgages 2,703,000 2,153,000 1,662,000 Total retail 3,397,000 2,660,000 1,998,000 Total with no related allowance recorded $ 5,938,000 $ 4,795,000 $ 4,952,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 $ 0 $ 19,000 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 0 0 0 48,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 0 0 0 0 Total commercial 0 0 0 67,000 Retail: Home equity and other 0 0 0 0 1-4 family mortgages 0 0 0 172,000 Total retail 0 0 0 172,000 Total with an allowance recorded $ 0 $ 0 $ 0 $ 239,000 Total impaired loans: Commercial $ 2,541,000 $ 2,135,000 $ 0 $ 3,021,000 Retail 3,397,000 2,660,000 0 2,170,000 Total impaired loans $ 5,938,000 $ 4,795,000 $ 0 $ 5,191,000 Impaired loans for which no $0.3 $0.2 first 2018 2017, No first 2018 2017. $0.1 first 2018 2017 Credit Quality Indicators. ten Credit quality indicators were as follows as of March 31, 2018: Originated loans Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 468,826,000 $ 17,645,000 $ 313,933,000 $ 564,093,000 $ 39,571,000 Grades 5 – 7 187,118,000 7,767,000 140,088,000 151,632,000 21,709,000 Grades 8 – 9 19,244,000 102,000 14,756,000 0 482,000 Total commercial $ 675,188,000 $ 25,514,000 $ 468,777,000 $ 715,725,000 $ 61,762,000 Retail credit exposure – credit risk profiled by collateral type: Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 65,604,000 $ 179,281,000 Acquired loans Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 39,543,000 $ 1,412,000 $ 28,823,000 $ 54,951,000 $ 17,376,000 Grades 5 – 7 24,591,000 4,512,000 30,940,000 23,448,000 17,132,000 Grades 8 – 9 483,000 0 2,612,000 82,000 158,000 Total commercial $ 64,617,000 $ 5,924,000 $ 62,375,000 $ 78,481,000 $ 34,666,000 Retail credit exposure – credit risk profiled by collateral type: Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 27,575,000 $ 85,715,000 Credit quality indicators were as follows as of December 31, 2017: Originated loans Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 469,537,000 $ 15,090,000 $ 326,700,000 $ 559,388,000 $ 42,951,000 Grades 5 – 7 189,851,000 8,557,000 123,024,000 149,135,000 21,552,000 Grades 8 – 9 21,417,000 35,000 6,341,000 301,000 349,000 Total commercial $ 680,805,000 $ 23,682,000 $ 456,065,000 $ 708,824,000 $ 64,852,000 Retail credit exposure – credit risk profiled by collateral type: Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 69,675,000 $ 166,054,000 Acquired loans Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 46,263,000 $ 1,446,000 $ 28,706,000 $ 52,674,000 $ 17,499,000 Grades 5 – 7 25,654,000 4,745,000 39,565,000 30,102,000 19,212,000 Grades 8 – 9 1,042,000 0 1,992,000 85,000 355,000 Total commercial $ 72,959,000 $ 6,191,000 $ 70,263,000 $ 82,861,000 $ 37,066,000 Retail credit exposure – credit risk profiled by collateral type: Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 30,750,000 $ 88,505,000 All commercial loans are graded using the following criteria: Grade 1. Excellent credit rating that contain very little, if any, risk of loss. Grade 2. Strong sources of repayment and have low repayment risk. Grade 3. Good sources of repayment and have limited repayment risk. Grade 4. Adequate sources of repayment and acceptable repayment risk; however, characteristics are present that render the credit more vulnerable to a negative event. Grade 5. Marginally acceptable sources of repayment and exhibit defined weaknesses and negative characteristics. Grade 6. Well defined weaknesses which may not Grade 7. Defined weaknesses or negative trends that merit close monitoring through Watch List status. Grade 8. Inadequately protected by current sound net worth, paying capacity of the obligor, or pledged collateral, resulting in a distinct possibility of loss requiring close monitoring through Watch List status. Grade 9. Vital weaknesses exist where collection of principal is highly questionable. Grade 10. Considered uncollectable and of such little value that continuance as an asset is not The primary risk elements with respect to commercial loans are the financial condition of the borrower, the sufficiency of collateral, and timeliness of scheduled payments. We have a policy of requesting and reviewing periodic financial statements from commercial loan customers and employ a disciplined and formalized review of the existence of collateral and its value. The primary risk element with respect to each residential real estate loan and consumer loan is the timeliness of scheduled payments. We have a reporting system that monitors past due loans and have adopted policies to pursue creditor’s rights in order to preserve our collateral position. Activity in the allowance for loan losses and the recorded investments in originated loans as of and during the three March 31, 2018 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 16,456,000 $ 2,584,000 $ 93,000 $ 19,133,000 Provision for loan losses (341,000 ) (563,000 ) 122,000 (782,000 ) Charge-offs (258,000 ) (135,000 ) 0 (393,000 ) Recoveries 1,008,000 115,000 0 1,123,000 Ending balance $ 16,865,000 $ 2,001,000 $ 215,000 $ 19,081,000 Ending balance: individually evaluated for impairment $ 547,000 $ 316,000 $ 0 $ 863,000 Ending balance: collectively evaluated for impairment $ 16,318,000 $ 1,685,000 $ 215,000 $ 18,218,000 Total loans: Ending balance $ 1,946,966,000 $ 244,885,000 $ 2,191,851,000 Ending balance: individually evaluated for impairment $ 7,398,000 $ 2,022,000 $ 9,420,000 Ending balance: collectively evaluated for impairment $ 1,939,568,000 $ 242,863,000 $ 2,182,431,000 Activity in the allowance for loan losses for acquired loans during the three March 31, 2018 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 291,000 $ 77,000 $ 0 $ 368,000 Provision for loan losses 314,000 468,000 0 782,000 Charge-offs (246,000 ) (15,000 ) 0 (261,000 ) Recoveries 0 4,000 0 4,000 Ending balance $ 359,000 $ 534,000 $ 0 $ 893,000 Activity in the allowance for loan losses and the recorded investments in originated loans as of and during the twelve December 31, 2017 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 16,026,000 $ 1,882,000 $ (40,000 ) $ 17,868,000 Provision for loan losses 1,148,000 1,360,000 133,000 2,641,000 Charge-offs (2,292,000 ) (891,000 ) 0 (3,183,000 ) Recoveries 1,574,000 233,000 0 1,807,000 Ending balance $ 16,456,000 $ 2,584,000 $ 93,000 $ 19,133,000 Ending balance: individually evaluated for impairment $ 1,202,000 $ 665,000 $ 0 $ 1,867,000 Ending balance: collectively evaluated for impairment $ 15,254,000 $ 1,919,000 $ 93,000 $ 17,266,000 Total loans: Ending balance $ 1,934,228,000 $ 235,729,000 $ 2,169,957,000 Ending balance: individually evaluated for impairment $ 6,394,000 $ 2,393,000 $ 8,787,000 Ending balance: collectively evaluated for impairment $ 1,927,834,000 $ 233,336,000 $ 2,161,170,000 Activity in the allowance for loan losses for acquired loans during the twelve December 31, 2017 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 75,000 $ 18,000 $ 0 $ 93,000 Provision for loan losses 210,000 99,000 0 309,000 Charge-offs (12,000 ) (40,000 ) 0 (52,000 ) Recoveries 18,000 0 0 18,000 Ending balance $ 291,000 $ 77,000 $ 0 $ 368,000 In accordance with acquisition accounting rules, acquired loans were recorded at fair value at the merger date and the prior allowance was eliminated. Loans modified as troubled debt restructurings during the three March 31, 2018 Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal Contracts Balance Balance Originated loans Commercial: Commercial and industrial 3 $ 107,000 $ 96,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 4 3,865,000 3,854,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total originated commercial 7 3,972,000 3,950,000 Retail: Home equity and other 1 50,000 50,000 1-4 family mortgages 0 0 0 Total originated retail 1 50,000 50,000 Total originated loans 8 $ 4,022,000 $ 4,000,000 Acquired loans Commercial: Commercial and industrial 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 3 1,597,000 1,597,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total acquired commercial 3 1,597,000 1,597,000 Retail: Home equity and other 6 118,000 119,000 1-4 family mortgages 0 0 0 Total acquired retail 6 118,000 119,000 Total acquired loans 9 $ 1,715,000 $ 1,716,000 Loans modified as troubled debt restructurings during the three March 31, 2017 Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal Contracts Balance Balance Originated loans Commercial: Commercial and industrial 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total originated commercial 0 0 0 Retail: Home equity and other 4 328,000 329,000 1-4 family mortgages 0 0 0 Total originated retail 4 328,000 329,000 Total originated loans 4 $ 328,000 $ 329,000 Acquired loans Commercial: Commercial and industrial 1 $ 31,000 $ 31,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total acquired commercial 1 31,000 31,000 Retail: Home equity and other 2 6,000 7,000 1-4 family mortgages 1 57,000 57,000 Total acquired retail 3 63,000 64,000 Total acquired loans 4 $ 94,000 $ 95,000 The following originated loans, modified as troubled debt restructurings within the previous twelve 30 three March 31, 2018 ( Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 0 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 1 251,000 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 251,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 1 $ 251,000 The following acquired loans, modified as troubled debt restructurings within the previous twelve 30 three March 31, 2018 ( Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 1 $ 113,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 113,000 Retail: Home equity and other 2 20,000 1-4 family mortgages 0 0 Total retail 2 20,000 Total 3 $ 133,000 The following originated loans, modified as troubled debt restructurings within the previous twelve 30 three March 31, 2017 ( Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 2 $ 34,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 1 130,000 Total commercial 3 164,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 3 $ 164,000 The following acquired loans, modified as troubled debt restructurings within the previous twelve 30 three March 31, 2017 ( Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 1 $ 24,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 24,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 1 $ 24,000 Activity for originated loans categorized as troubled debt restructurings during the three March 31, 2018 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Commercial Loan Portfolio: Beginning Balance $ 2,989,000 $ 383,000 $ 1,599,000 $ 0 $ 0 Charge-Offs (230,000 ) 0 0 0 0 Payments (882,000 ) (45,000 ) (855,000 ) 0 0 Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 105,000 0 3,804,000 0 0 Ending Balance $ 1,982,000 $ 338,000 $ 4,548,000 $ 0 $ 0 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 1,127,000 $ 146,000 Charge-Offs 0 0 Payments (8,000 ) (2,000 ) Transfers to ORE 0 0 Net Additions/Deletions 50,000 0 Ending Balance $ 1,169,000 $ 144,000 Activity for acquired loans categorized as troubled debt restructurings during the three March 31, 2018 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Commercial Loan Portfolio: Beginning Balance $ 1,001,000 $ 0 $ 427,000 $ 237,000 $ 41,000 Charge-Offs (275,000 ) 0 0 0 0 Payments (10,000 ) 0 (17,000 ) (5,000 ) (5,000 ) Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 0 0 1,597,000 0 0 Ending Balance $ 716,000 $ 0 $ 2,007,000 $ 232,000 $ 36,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 219,000 $ 393,000 Charge-Offs (15,000 ) 0 Payments (1,000 ) (9,000 ) Transfers to ORE (82,000 ) 0 Net Additions/Deletions 11

Note 4 - Premises and Equipment

Note 4 - Premises and Equipment, Net	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	4. PREMISES AND EQUIPMENT, NET Premises and equipment are comprised of the following: March 31, December 31, 2018 2017 Land and improvements $ 17,938,000 $ 18,046,000 Buildings 41,751,000 41,179,000 Furniture and equipment 17,858,000 17,398,000 77,547,000 76,623,000 Less: accumulated depreciation 31,247,000 30,589,000 Premises and equipment, net $ 46,300,000 $ 46,034,000 Depreciation expense totaled $0.8 $0.7 first 2018 2017,

Note 5 - Deposits

Note 5 - Deposits	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Deposit Liabilities Disclosures [Text Block]	5. DEPOSITS Our total deposits at March 31, 2018 $2.54 $17.7 0.7%, December 31, 2017. March 31, 2018 December 31, 2017, 2017 first 2018, Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Noninterest-bearing demand $ 830,187,000 32.7 % $ 866,380,000 34.3 % (4.2 %) Interest-bearing checking 392,134,000 15.4 387,758,000 15.4 1.1 Money market 486,318,000 19.1 427,119,000 16.9 13.9 Savings 326,247,000 12.9 327,530,000 13.0 (0.4 ) Time, under $100,000 156,053,000 6.2 152,294,000 6.0 2.5 Time, $100,000 and over 246,703,000 9.7 258,626,000 10.3 (4.6 ) Total local deposits 2,437,642,000 96.0 2,419,707,000 95.9 0.7 Out-of-area time, under $100,000 0 NA 0 NA NA Out-of-area time, $100,000 and over 102,411,000 4.0 102,658,000 4.1 (0.2 ) Total out-of-area deposits 102,411,000 4.0 102,658,000 4.1 (0.2 ) Total deposits $ 2,540,053,000 100.0 % $ 2,522,365,000 100.0 % 0.7 % Time deposits of more than $250,000 $252 $266 March 31, 2018 December 31, 2017,

Note 6 - Securities Sold Under

Note 6 - Securities Sold Under Agreements to Repurchase	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]	6. SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE Securities sold under agreements to repurchase (“repurchase agreements”) are offered principally to certain large deposit customers. Information relating to our repurchase agreements follows: Three Months Ended Twelve Months Ended March 31, 2018 December 31, 2017 Outstanding balance at end of period $ 104,894,000 $ 118,748,000 Average interest rate at end of period 0.25 % 0.16 % Average daily balance during the period $ 108,048,000 $ 116,587,000 Average interest rate during the period 0.22 % 0.16 % Maximum daily balance during the period $ 123,046,000 $ 142,459,000 Repurchase agreements generally have original maturities of less than one

Note 7 - Federal Home Loan Bank

Note 7 - Federal Home Loan Bank of Indianapolis Advances	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Federal Home Loan Bank Advances, Disclosure [Text Block]	7. FEDERAL HOME LOAN BANK OF INDIANAPOLIS ADVANCES Federal Home Loan Bank of Indianapolis (“FHLBI”) advances totaled $220 March 31, 2018 December 31, 2017, May 2018 April 2024, 1.04% 2.39% 1.72% Each advance is payable at its maturity date and is subject to a prepayment fee if paid prior to the maturity date. The advances are collateralized by residential mortgage loans, first first March 31, 2018 $739 $519 Maturities of currently outstanding FHLBI advances are as follows: 2018 $ 20,000,000 2019 40,000,000 2020 30,000,000 2021 40,000,000 2022 40,000,000 Thereafter 50,000,000

Note 8 - Commitments and Off-Ba

Note 8 - Commitments and Off-Balance Sheet Risk	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Commitments Contingencies and Guarantees [Text Block]	8. COMMITMENTS AND OFF-BALANCE SHEET RISK Our bank is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. Loan commitments to extend credit are agreements to lend to a customer as long as there is no third may not These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized, if any, in the balance sheet. Our bank’s maximum exposure to loan loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual notional amount of those instruments. Our bank uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Collateral, such as accounts receivable, securities, inventory, and property and equipment, is generally obtained based on our credit assessment of the borrower. If required, estimated loss exposure resulting from these instruments is expensed and is generally recorded as a liability. There was no March 31, 2018 December 31, 2017. A summary of the contractual amounts of our financial instruments with off-balance sheet risk at March 31, 2018 December 31, 2017 March 31, December 31, 2018 2017 Commercial unused lines of credit $ 678,832,000 $ 682,202,000 Unused lines of credit secured by 1 – 4 family residential properties 60,930,000 61,606,000 Credit card unused lines of credit 42,693,000 39,807,000 Other consumer unused lines of credit 17,788,000 17,629,000 Commitments to make loans 238,437,000 184,923,000 Standby letters of credit 23,592,000 26,030,000 $ 1,062,272,000 $ 1,012,197,000

Note 9 - Hedging Activities

Note 9 - Hedging Activities	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	9. HEDGING ACTIVITIES Our interest rate risk policy includes guidelines for measuring and monitoring interest rate risk. Within these guidelines, parameters have been established for maximum fluctuations in net interest income. Possible fluctuations are measured and monitored using net interest income simulation. Our policy provides for the use of certain derivative instruments and hedging activities to aid in managing interest rate risk to within the policy parameters. In February 2012, January 2013 January 2018. $32.0 90 218 90 $32.0 December 31, 2017, $0.1 Effective January 26, 2016, $32.0 $21.0 $11.0 $0.2 January 2016 $11.0

Note 10 - Fair Values of Financ

Note 10 - Fair Values of Financial Instruments	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Fair Value Disclosures [Text Block]	10. FAIR VALUES OF FINANCIAL INSTRUMENTS The carrying amounts, estimated fair values and level within the fair value hierarchy of financial instruments were as follows as of March 31, 2018 December 31, 2017 ( Level in March 31, 2018 December 31, 2017 Fair Value Carrying Fair Carrying Fair Hierarchy Values Values Values Values Financial assets: Cash Level 1 $ 11,148 $ 11,148 $ 11,565 $ 11,565 Cash equivalents Level 2 200,009 200,009 188,536 188,536 Securities available for sale (1) 336,988 336,988 335,744 335,744 FHLBI stock (2) 11,036 11,036 11,036 11,036 Loans, net Level 3 2,529,366 2,528,622 2,536,498 2,520,063 Loans held for sale Level 2 1,864 1,864 2,553 2,553 Mortgage servicing rights Level 2 4,899 8,223 5,106 8,373 Accrued interest receivable Level 2 9,590 9,590 8,770 8,770 Financial liabilities: Deposits Level 2 2,540,053 2,361,212 2,522,365 2,368,188 Repurchase agreements Level 2 104,894 104,894 118,748 118,748 FHLBI advances Level 2 220,000 214,172 220,000 217,130 Subordinated debentures Level 2 45,688 46,280 45,517 45,732 Accrued interest payable Level 2 2,172 2,172 1,919 1,919 Interest rate swap (1) 0 0 2 2 ( 1 See Note 11 ( 2 It is not Carrying amount is the estimated fair value for cash and cash equivalents, FHLBI stock, accrued interest receivable and payable, noninterest-bearing checking accounts and securities sold under agreements to repurchase. Security fair values are based on market prices or dealer quotes, and if no March 31, 2018 2016 01, December 31, 2017,

Note 11 - Fair Values

Note 11 - Fair Values	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]	11. FAIR VALUES Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. A fair value measurement assumes that the transaction to sell the asset or transfer the liability occurs in the principal market for the asset or liability, or in the absence of a principal market, the most advantageous market for the asset or liability. The price of the principal (or most advantageous) market used to measure the fair value of the asset or liability is not not We are required to use valuation techniques that are consistent with the market approach, the income approach and/or the cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets and liabilities. The income approach uses valuation techniques to convert future amounts, such as cash flows or earnings, to a single present amount on a discounted basis. The cost approach is based on the amount that currently would be required to replace the service capacity of an asset (replacement cost). Valuation techniques should be consistently applied. Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability. Inputs may Level 1: Level 2: 1 not Level 3: The following is a description of our valuation methodologies used to measure and disclose the fair values of our financial assets and liabilities that are recorded at fair value on a recurring or nonrecurring basis: Securities available for sale. not 2 3 no March 31, 2018 December 31, 2017. no 1 Derivatives 2. Mortgage loans held for sale March 31, 2018 December 31, 2017, $1.9 $2.6 Loans not Foreclosed Assets. Assets and Liabilities Measured at Fair Value on a Recurring Basis The balances of assets and liabilities measured at fair value on a recurring basis as of March 31, 2018 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 173,169,000 $ 0 $ 173,169,000 $ 0 Mortgage-backed securities 40,351,000 0 40,351,000 0 Municipal general obligation bonds 117,660,000 0 112,469,000 5,191,000 Municipal revenue bonds 3,843,000 0 3,843,000 0 Other investments 1,965,000 0 1,965,000 0 Total $ 336,988,000 $ 0 $ 331,797,000 $ 5,191,000 There were no 1, 2 3 first three 2018. The balances of assets and liabilities measured at fair value on a recurring basis as of December 31, 2017 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 169,700,000 $ 0 $ 169,700,000 $ 0 Mortgage-backed securities 38,792,000 0 38,792,000 0 Municipal general obligation bonds 121,293,000 0 116,102,000 5,191,000 Municipal revenue bonds 3,978,000 0 3,978,000 0 Other investments 1,981,000 0 1,981,000 0 Interest rate swap (2,000 ) 0 (2,000 ) 0 Total $ 335,742,000 $ 0 $ 330,551,000 $ 5,191,000 There were no 1, 2 3 2017. Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis The balances of assets and liabilities measured at fair value on a nonrecurring basis as of March 31, 2018 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Impaired loans $ 4,498,000 $ 0 $ 0 $ 4,498,000 Foreclosed assets 2,384,000 0 0 2,384,000 Total $ 6,882,000 $ 0 $ 0 $ 6,882,000 The balances of assets and liabilities measured at fair value on a nonrecurring basis as of December 31, 2017 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Impaired loans $ 5,836,000 $ 0 $ 0 $ 5,836,000 Foreclosed assets 2,260,000 0 0 2,260,000 Total $ 8,096,000 $ 0 $ 0 $ 8,096,000 The carrying values are based on the estimated value of the property or other assets. Fair value estimates of collateral on impaired loans and foreclosed assets are reviewed periodically. Our credit policies establish criteria for obtaining appraisals and determining internal value estimates. We may may 15% 25% 25% 50% 10%

Note 12 - Regulatory Matters

Note 12 - Regulatory Matters	3 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Regulatory Capital Requirements under Banking Regulations [Text Block]	12. REGULATORY MATTERS We are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weightings, and other factors, and the regulators can lower classifications in certain cases. Failure to meet various capital requirements can initiate regulatory action that could have a direct material effect on our financial statements. The prompt corrective action regulations provide five not not no may may March 31, 2018 December 31, 2017, no March 31, 2018 Our actual capital levels (dollars in thousands) and the minimum levels required to be categorized as adequately and well capitalized were: Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations Amount Ratio Amount Ratio Amount Ratio March 31, 2018 Total capital (to risk weighted assets) Consolidated $ 387,520 13.2 % $ 234,830 8.0 % $ NA NA Bank 379,370 12.9 234,646 8.0 293,307 10.0 % Tier 1 capital (to risk weighted assets) Consolidated 367,546 12.5 176,123 6.0 NA NA Bank 359,396 12.3 175,984 6.0 234,646 8.0 Common equity tier 1 (to risk weighted assets) Consolidated 323,932 11.0 132,092 4.5 NA NA Bank 359,396 12.3 131,988 4.5 190,650 6.5 Tier 1 capital (to average assets) Consolidated 367,546 11.5 127,794 4.0 NA NA Bank 359,396 11.3 127,712 4.0 159,640 5.0 (Continued) MERCANTILE BANK CORPORATION NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited) 12. REGULATORY MATTERS Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations Amount Ratio Amount Ratio Amount Ratio December 31, 2017 Total capital (to risk weighted assets) Consolidated $ 379,417 12.9 % $ 235,723 8.0 % $ NA NA Bank 371,346 12.6 235,515 8.0 294,393 10.0 % Tier 1 capital (to risk weighted assets) Consolidated 359,915 12.2 176,792 6.0 NA NA Bank 351,844 12.0 176,636 6.0 235,515 8.0 Common equity tier 1 (to risk weighted assets) Consolidated 316,472 10.7 132,594 4.5 NA NA Bank 351,844 12.0 132,477 4.5 191,356 6.5 Tier 1 capital (to average assets) Consolidated 359,915 11.3 127,782 4.0 NA NA Bank 351,844 11.0 127,698 4.0 159,623 5.0 Our consolidated capital levels as of March 31, 2018 December 31, 2017 $43.6 $43.4 may 1 not 25% 1 not May 19, 2010, December 31, 2009 $15.0 March 31, 2018 December 31, 2017, $43.6 $43.4 1 Under the final BASEL III capital rules that became effective on January 1, 2015, 1 2.5% not three 2016. 1 7.0%, 1 8.5% 10.5% January 1, 2019. March 31, 2018, Our and our bank’s ability to pay cash and stock dividends is subject to limitations under various laws and regulations and to prudent and sound banking practices. On January 11, 2018, $0.22 March 21, 2018 March 9, 2018. April 12, 2018, $0.22 June 20, 2018 June 8, 2018. On January 30, 2015, $20.0 April 19, 2016, $15.0 956,419 $19.5 $20.38; no first three 2018. may

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2018
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation three March 31, 2018 two 10 303 not not March 31, 2018 not 10 December 31, 2017. We have five not
Earnings Per Share, Policy [Policy Text Block]	Earnings Per Share Approximately 236,000 three March 31, 2018. 17,000 three March 31, 2018. 7,000 not three March 31, 2018. Approximately 225,000 three March 31, 2017. 34,000 three March 31, 2017. 7,000 not three March 31, 2017.
Marketable Securities, Policy [Policy Text Block]	Securities Interest income includes amortization of purchase premiums and accretion of discounts. Premiums and discounts on securities are amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Gains and losses on sales are recorded on the trade date and determined using the specific identification method. Declines in the fair value of debt securities below their amortized cost that are other than temporary (“OTTI”) are reflected in earnings or other comprehensive income, as appropriate. For those debt securities whose fair value is less than their amortized cost, we consider our intent to sell the security, whether it is more likely than not not two 1 2
Finance, Loan and Lease Receivables, Held-for-investment, Policy [Policy Text Block]	Loans Interest income on commercial loans and mortgage loans is discontinued at the time the loan is 90 no 120 All interest accrued but not
Finance, Loan and Lease Receivables, Held-for-sale, Policy [Policy Text Block]	Loans Held for Sale March 31, 2018 December 31, 2017, $1.9 $2.6 Mortgage loans held for sale are generally sold with servicing rights retained. Gains and losses on sales of mortgage loans are based on the difference between the selling price and the carrying value of the related loan sold, which is reduced by the cost allocated to the servicing right. We generally lock in the sale price to the purchaser of the loan at the same time we make a rate commitment to the borrower. These mortgage banking activities are not $611 March 31, 2018.
Loans and Leases Receivable, Mortgage Banking Activities, Policy [Policy Text Block]	Mortgage Banking Activities Servicing fee income is recorded for fees earned for servicing mortgage loans. The fees are based on a contractual percentage of the outstanding principal or a fixed amount per loan and are recorded as income when earned. Amortization of mortgage loan servicing rights is netted against mortgage loan servicing income and recorded in mortgage banking activities in the income statement.
Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block]	Troubled Debt Restructurings not may In accordance with current accounting guidance, loans modified as troubled debt restructurings are, by definition, considered to be impaired loans. Impairment for these loans is measured on a loan-by-loan basis similar to other impaired loans as described below under “Allowance for Loan Losses.” Certain loans modified as troubled debt restructurings may two
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]	Allowance for Loan Losses may A loan is considered to be impaired when, based on current information and events, it is probable we will be unable to collect the scheduled payments of principal and interest when due according to the contractual terms of the loan agreement. Factors considered in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not
Derivatives, Policy [Policy Text Block]	Derivatives not Changes in the fair value of derivatives that are designated, for accounting purposes, as a hedge of the variability of cash flows to be received on various assets and liabilities and are effective are reported in other comprehensive income. They are later reclassified into earnings in the same periods during which the hedged transaction affects earnings and are included in the line item in which the hedged cash flows are recorded. If hedge accounting does not If designated as a hedge, we formally document the relationship between derivatives as hedged items, as well as the risk-management objective and the strategy for undertaking hedge transactions. This documentation includes linking cash flow hedges to specific assets and liabilities on the balance sheet. If designated as a hedge, we also formally assess, both at the hedge’s inception and on an ongoing basis, whether the derivative instruments that are used are highly effective in offsetting changes in cash flows of the hedged items. Ineffective hedge gains and losses are recognized immediately in current earnings as noninterest income or expense. We discontinue hedge accounting when we determine the derivative is no no
Goodwill and Intangible Assets, Policy [Policy Text Block]	Goodwill and Core Deposit Intangible may not may not not two 2016 2017, not no The core deposit intangible that arose from the Firstbank Corporation acquisition was initially measured at fair value and is being amortized into noninterest expense over a ten
Revenue from Contract with Customer [Policy Text Block]	Revenue from Contracts with Customers 606, “Revenue from Contracts with Customers” 606” 606, not Our primary sources of revenue are derived from interest and dividends earned on loans, securities and other financial instruments that are not 606. not 606
New Accounting Pronouncements, Policy [Policy Text Block]	Adoption of New Accounting Standards: May 2014, 2014 09, Revenue from Contracts with Customers five January 1, 2018 Adoption of ASU 2014 09 not not not not 2014 09 not not not In January 2016, 2016 01, Recognition and Measurement of Financial Assets and Financial Liabilities January 1, 2018 not 10. In February 2016, 2016 02, Leases 12 December 15, 2018. not In June 2016, No. 2016 13, Measurement of Credit Losses on Financial Instruments not not December 15, 2019, December 15, 2018. first 2018. In August 2016, No. 2016 15, Classification of Certain Cash Receipts and Cash Payments eight December 15, 2017. not In March 2017, No. 2017 08, Premium Amortization on Purchased Callable Debt Securities not December 15, 2018, not In August 2017, 2017 12, Targeted Improvements to Accounting for Hedging Activities December 15, 2018, In February 2018, 2018 02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income 35% 21% not December 15, 2018. December 31, 2017, $0.9 2017.

Note 2 - Securities (Tables)

Note 2 - Securities (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Available-for-sale Securities [Table Text Block]	Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value March 31, 2018 U.S. Government agency debt obligations $ 184,422,000 $ 4,000 $ (11,257,000 ) $ 173,169,000 Mortgage-backed securities 41,104,000 278,000 (1,031,000 ) 40,351,000 Municipal general obligation bonds 118,881,000 404,000 (1,625,000 ) 117,660,000 Municipal revenue bonds 3,910,000 6,000 (73,000 ) 3,843,000 Other investments 2,018,000 0 (53,000 ) 1,965,000 $ 350,335,000 $ 692,000 $ (14,039,000 ) $ 336,988,000 December 31, 2017 U.S. Government agency debt obligations $ 175,953,000 $ 99,000 $ (6,352,000 ) $ 169,700,000 Mortgage-backed securities 38,967,000 335,000 (510,000 ) 38,792,000 Municipal general obligation bonds 121,040,000 891,000 (638,000 ) 121,293,000 Municipal revenue bonds 3,978,000 30,000 (30,000 ) 3,978,000 Other investments 2,010,000 0 (29,000 ) 1,981,000 $ 341,948,000 $ 1,355,000 $ (7,559,000 ) $ 335,744,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]	Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Loss Value Loss Value Loss March 31, 2018 U.S. Government agency debt obligations $ 44,594,000 $ 1,464,000 $ 126,600,000 $ 9,793,000 $ 171,194,000 $ 11,257,000 Mortgage-backed securities 14,519,000 479,000 18,867,000 552,000 33,386,000 1,031,000 Municipal general obligation bonds 43,826,000 615,000 43,537,000 1,010,000 87,363,000 1,625,000 Municipal revenue bonds 1,499,000 16,000 1,159,000 57,000 2,658,000 73,000 Other investments 1,518,000 53,000 0 0 1,518,000 53,000 $ 105,956,000 $ 2,627,000 $ 190,163,000 $ 11,412,000 $ 296,119,000 $ 14,039,000 Less than 12 Months 12 Months or More Total Fair Value Unrealized Loss Fair Value Unrealized Loss Fair Value Unrealized Loss December 31, 2017 U.S. Government agency debt obligations $ 35,677,000 $ 434,000 $ 115,374,000 $ 5,918,000 $ 151,051,000 $ 6,352,000 Mortgage-backed securities 10,179,000 156,000 21,084,000 354,000 31,263,000 510,000 Municipal general obligation bonds 12,807,000 114,000 54,703,000 524,000 67,510,000 638,000 Municipal revenue bonds 0 0 1,187,000 30,000 1,187,000 30,000 Other investments 1,510,000 29,000 0 0 1,510,000 29,000 $ 60,173,000 $ 733,000 $ 192,348,000 $ 6,826,000 $ 252,521,000 $ 7,559,000
Investments Classified by Contractual Maturity Date [Table Text Block]	Weighted Average Amortized Fair Yield (%) Cost Value Due in 2018 1.86 $ 28,193,000 $ 28,181,000 Due in 2019 through 2023 2.12 65,051,000 64,576,000 Due in 2024 through 2028 2.52 99,189,000 94,685,000 Due in 2029 and beyond 2.95 114,780,000 107,230,000 Mortgage-backed securities 2.33 41,104,000 40,351,000 Other investments 2.84 2,018,000 1,965,000 Total available for sale securities 2.51 $ 350,335,000 $ 336,988,000

Note 3 - Loans and Allowance 23

Note 3 - Loans and Allowance for Loan Losses (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Originated loans Commercial: Commercial and industrial $ 675,188,000 30.8 % $ 680,805,000 31.3 % (0.8 %) Vacant land, land development, and residential construction 25,514,000 1.2 23,682,000 1.1 7.7 Real estate – owner occupied 468,777,000 21.4 456,065,000 21.0 2.8 Real estate – non-owner occupied 715,725,000 32.6 708,824,000 32.7 1.0 Real estate – multi-family and residential rental 61,762,000 2.8 64,852,000 3.0 (4.8 ) Total commercial 1,946,966,000 88.8 1,934,228,000 89.1 0.7 Retail: Home equity and other 65,604,000 3.0 69,675,000 3.2 (5.8 ) 1-4 family mortgages 179,281,000 8.2 166,054,000 7.7 8.0 Total retail 244,885,000 11.2 235,729,000 10.9 3.9 Total originated loans $ 2,191,851,000 100.0 % $ 2,169,957,000 100.0 % 1.0 % Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Acquired loans Commercial: Commercial and industrial $ 64,617,000 18.0 % $ 72,959,000 18.8 % (11.4 %) Vacant land, land development, and residential construction 5,924,000 1.6 6,191,000 1.6 (4.3 ) Real estate – owner occupied 62,375,000 17.5 70,263,000 18.1 (11.2 ) Real estate – non-owner occupied 78,481,000 21.8 82,861,000 21.3 (5.3 ) Real estate – multi-family and residential rental 34,666,000 9.6 37,066,000 9.5 (6.5 ) Total commercial 246,063,000 68.5 269,340,000 69.3 (8.6 ) Retail: Home equity and other 27,575,000 7.7 30,750,000 7.9 (10.3 ) 1-4 family mortgages 85,715,000 23.8 88,505,000 22.8 (3.2 ) Total retail 113,290,000 31.5 119,255,000 30.7 (5.0 ) Total acquired loans $ 359,353,000 100.0 % $ 388,595,000 100.0 % (7.5 %) Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Total loans Commercial: Commercial and industrial $ 739,805,000 29.0 % $ 753,764,000 29.4 % (1.9 %) Vacant land, land development, and residential construction 31,438,000 1.2 29,873,000 1.2 5.2 Real estate – owner occupied 531,152,000 20.8 526,328,000 20.6 0.9 Real estate – non-owner occupied 794,206,000 31.2 791,685,000 30.9 0.3 Real estate – multi-family and residential rental 96,428,000 3.8 101,918,000 4.0 (5.4 ) Total commercial 2,193,029,000 86.0 2,203,568,000 86.1 (0.5 ) Retail: Home equity and other 93,179,000 3.6 100,425,000 3.9 (7.2 ) 1-4 family mortgages 264,996,000 10.4 254,559,000 10.0 4.1 Total retail 358,175,000 14.0 354,984,000 13.9 0.9 Total loans $ 2,551,204,000 100.0 % $ 2,558,552,000 100.0 % (0.3 %)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Accretable Yield Movement [Table Text Block]	Balance at December 31, 2017 $ 1,404,000 Additions 0 Accretion income (131,000 ) Net reclassification from nonaccretable to accretable 86,000 Reductions (1) (40,000 ) Balance at March 31, 2018 $ 1,319,000 Balance at December 31, 2016 $ 1,726,000 Additions 1,000 Accretion income (147,000 ) Net reclassification from nonaccretable to accretable 63,000 Reductions (1) (179,000 ) Balance at March 31, 2017 $ 1,464,000
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]	March 31, December 31, 2018 2017 Loans past due 90 days or more still accruing interest $ 0 $ 0 Nonaccrual loans 2,763,000 3,672,000 Total nonperforming originated loans $ 2,763,000 $ 3,672,000 March 31, December 31, 2018 2017 Loans past due 90 days or more still accruing interest $ 0 $ 0 Nonaccrual loans 2,979,000 3,471,000 Total nonperforming acquired loans $ 2,979,000 $ 3,471,000 March 31, December 31, 2018 2017 Commercial: Commercial and industrial $ 619,000 $ 1,444,000 Vacant land, land development, and residential construction 0 35,000 Real estate – owner occupied 1,831,000 2,241,000 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 154,000 178,000 Total commercial 2,604,000 3,898,000 Retail: Home equity and other 512,000 577,000 1-4 family mortgages 2,626,000 2,668,000 Total retail 3,138,000 3,245,000 Total nonperforming loans $ 5,742,000 $ 7,143,000
Past Due Financing Receivables [Table Text Block]	30 – 59 Days Past Due 60 – 89 Days Past Due Greater Than 89 Days Past Due Total Past Due Current Total Loans Recorded Balance > 89 Days and Accruing Originated loans Commercial: Commercial and industrial $ 1,350,000 $ 929,000 $ 0 $ 2,279,000 $ 672,909,000 $ 675,188,000 $ 0 Vacant land, land development, and residential construction 0 0 0 0 25,514,000 25,514,000 0 Real estate – owner occupied 0 0 251,000 251,000 468,526,000 468,777,000 0 Real estate – non-owner occupied 0 0 0 0 715,725,000 715,725,000 0 Real estate – multi-family and residential rental 0 0 0 0 61,762,000 61,762,000 0 Total commercial 1,350,000 929,000 251,000 2,530,000 1,944,436,000 1,946,966,000 0 Retail: Home equity and other 65,000 0 0 65,000 65,539,000 65,604,000 0 1-4 family mortgages 0 246,000 220,000 466,000 178,815,000 179,281,000 0 Total retail 65,000 246,000 220,000 531,000 244,354,000 244,885,000 0 Total past due loans $ 1,415,000 $ 1,175,000 $ 471,000 $ 3,061,000 $ 2,188,790,000 $ 2,191,851,000 $ 0 30 – 59 60 – 89 Greater Than 89 Recorded Balance > 89 Days Days Days Total Total Days and Past Due Past Due Past Due Past Due Current Loans Accruing Acquired loans Commercial: Commercial and industrial $ 0 $ 0 $ 113,000 $ 113,000 $ 64,504,000 $ 64,617,000 $ 0 Vacant land, land development, and residential construction 0 0 0 0 5,924,000 5,924,000 0 Real estate – owner occupied 0 156,000 243,000 399,000 61,976,000 62,375,000 0 Real estate – non-owner occupied 0 0 0 0 78,481,000 78,481,000 0 Real estate – multi-family and residential rental 27,000 0 9,000 36,000 34,630,000 34,666,000 0 Total commercial 27,000 156,000 365,000 548,000 245,515,000 246,063,000 0 Retail: Home equity and other 163,000 44,000 42,000 249,000 27,326,000 27,575,000 0 1-4 family mortgages 645,000 231,000 475,000 1,351,000 84,364,000 85,715,000 0 Total retail 808,000 275,000 517,000 1,600,000 111,690,000 113,290,000 0 Total past due loans $ 835,000 $ 431,000 $ 882,000 $ 2,148,000 $ 357,205,000 $ 359,353,000 $ 0 30 – 59 Days Past Due 60 – 89 Days Past Due Greater Than 89 Days Past Due Total Past Due Current Total Loans Recorded Balance > 89 Days and Accruing Originated loans Commercial: Commercial and industrial $ 0 $ 0 $ 178,000 $ 178,000 $ 680,627,000 $ 680,805,000 $ 0 Vacant land, land development, and residential construction 0 0 35,000 35,000 23,647,000 23,682,000 0 Real estate – owner occupied 0 0 1,244,000 1,244,000 454,821,000 456,065,000 0 Real estate – non-owner occupied 0 0 0 0 708,824,000 708,824,000 0 Real estate – multi-family and residential rental 0 0 0 0 64,852,000 64,852,000 0 Total commercial 0 0 1,457,000 1,457,000 1,932,771,000 1,934,228,000 0 Retail: Home equity and other 647,000 11,000 86,000 744,000 68,931,000 69,675,000 0 1-4 family mortgages 0 0 250,000 250,000 165,804,000 166,054,000 0 Total retail 647,000 11,000 336,000 994,000 234,735,000 235,729,000 0 Total past due loans $ 647,000 $ 11,000 $ 1,793,000 $ 2,451,000 $ 2,167,506,000 $ 2,169,957,000 $ 0 30 – 59 60 – 89 Greater Than 89 Recorded Balance > 89 Days Days Days Total Total Days and Past Due Past Due Past Due Past Due Current Loans Accruing Acquired Loans Commercial: Commercial and industrial $ 40,000 $ 0 $ 114,000 $ 154,000 $ 72,805,000 $ 72,959,000 $ 0 Vacant land, land development, and residential construction 14,000 0 0 14,000 6,177,000 6,191,000 0 Real estate – owner occupied 634,000 0 271,000 905,000 69,358,000 70,263,000 0 Real estate – non-owner occupied 0 0 0 0 82,861,000 82,861,000 0 Real estate – multi-family and residential rental 0 0 108,000 108,000 36,958,000 37,066,000 0 Total commercial 688,000 0 493,000 1,181,000 268,159,000 269,340,000 0 Retail: Home equity and other 408,000 52,000 154,000 614,000 30,136,000 30,750,000 0 1-4 family mortgages 690,000 333,000 661,000 1,684,000 86,821,000 88,505,000 0 Total retail 1,098,000 385,000 815,000 2,298,000 116,957,000 119,255,000 0 Total past due loans $ 1,786,000 $ 385,000 $ 1,308,000 $ 3,479,000 $ 385,116,000 $ 388,595,000 $ 0
Impaired Financing Receivables [Table Text Block]	First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 234,000 $ 234,000 $ 206,000 Vacant land, land development and residential construction 0 0 17,000 Real estate – owner occupied 2,937,000 2,875,000 2,164,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 337,000 337,000 343,000 Total commercial 3,508,000 3,446,000 2,730,000 Retail: Home equity and other 768,000 751,000 716,000 1-4 family mortgages 1,106,000 419,000 437,000 Total retail 1,874,000 1,170,000 1,153,000 Total with no related allowance recorded $ 5,382,000 $ 4,616,000 $ 3,883,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 2,623,000 $ 2,133,000 $ 304,000 $ 2,561,000 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 1,717,000 1,674,000 226,000 1,532,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 145,000 145,000 17,000 72,000 Total commercial 4,485,000 3,952,000 547,000 4,165,000 Retail: Home equity and other 508,000 498,000 258,000 823,000 1-4 family mortgages 412,000 354,000 58,000 232,000 Total retail 920,000 852,000 316,000 1,055,000 Total with an allowance recorded $ 5,405,000 $ 4,804,000 $ 863,000 $ 5,220,000 Total impaired loans: Commercial $ 7,993,000 $ 7,398,000 $ 547,000 $ 6,895,000 Retail 2,794,000 2,022,000 316,000 2,208,000 Total impaired loans $ 10,787,000 $ 9,420,000 $ 863,000 $ 9,103,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 743,000 $ 733,000 $ 877,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 1,110,000 715,000 687,000 Real estate – non-owner occupied 232,000 232,000 235,000 Real estate – multi-family and residential rental 62,000 44,000 131,000 Total commercial 2,147,000 1,724,000 1,930,000 Retail: Home equity and other 690,000 649,000 578,000 1-4 family mortgages 2,586,000 2,007,000 2,080,000 Total retail 3,276,000 2,656,000 2,658,000 Total with no related allowance recorded $ 5,423,000 $ 4,380,000 $ 4,588,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 1,597,000 1,597,000 307,000 799,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 0 0 0 0 Total commercial 1,597,000 1,597,000 307,000 799,000 Retail: Home equity and other 0 0 0 0 1-4 family mortgages 0 0 0 0 Total retail 0 0 0 0 Total with an allowance recorded $ 1,597,000 $ 1,597,000 $ 307,000 $ 799,000 Total impaired loans: Commercial $ 3,744,000 $ 3,321,000 $ 307,000 $ 2,729,000 Retail 3,276,000 2,656,000 0 2,658,000 Total impaired loans $ 7,020,000 $ 5,977,000 $ 307,000 $ 5,387,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 765,000 $ 178,000 $ 1,589,000 Vacant land, land development and residential construction 454,000 35,000 88,000 Real estate – owner occupied 1,528,000 1,452,000 113,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 349,000 349,000 197,000 Total commercial 3,096,000 2,014,000 1,987,000 Retail: Home equity and other 693,000 680,000 247,000 1-4 family mortgages 1,126,000 456,000 649,000 Total retail 1,819,000 1,136,000 896,000 Total with no related allowance recorded $ 4,915,000 $ 3,150,000 $ 2,883,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 3,038,000 $ 2,989,000 $ 963,000 $ 2,690,000 Vacant land, land development and residential construction 0 0 0 749,000 Real estate – owner occupied 1,409,000 1,391,000 239,000 1,144,000 Real estate – non-owner occupied 0 0 0 4,745,000 Real estate – multi-family and residential rental 0 0 0 751,000 Total commercial 4,447,000 4,380,000 1,202,000 10,079,000 Retail: Home equity and other 1,225,000 1,147,000 652,000 697,000 1-4 family mortgages 165,000 110,000 13,000 137,000 Total retail 1,390,000 1,257,000 665,000 834,000 Total with an allowance recorded $ 5,837,000 $ 5,637,000 $ 1,867,000 $ 10,913,000 Total impaired loans: Commercial $ 7,543,000 $ 6,394,000 $ 1,202,000 $ 12,066,000 Retail 3,209,000 2,393,000 665,000 1,730,000 Total impaired loans $ 10,752,000 $ 8,787,000 $ 1,867,000 $ 13,796,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With no related allowance recorded: Commercial: Commercial and industrial $ 1,039,000 $ 1,021,000 $ 892,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 1,027,000 659,000 1,151,000 Real estate – non-owner occupied 238,000 237,000 751,000 Real estate – multi-family and residential rental 237,000 218,000 160,000 Total commercial 2,541,000 2,135,000 2,954,000 Retail: Home equity and other 694,000 507,000 336,000 1-4 family mortgages 2,703,000 2,153,000 1,662,000 Total retail 3,397,000 2,660,000 1,998,000 Total with no related allowance recorded $ 5,938,000 $ 4,795,000 $ 4,952,000 First Quarter Unpaid Average Contractual Recorded Recorded Principal Principal Related Principal Balance Balance Allowance Balance With an allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 $ 0 $ 19,000 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 0 0 0 48,000 Real estate – non-owner occupied 0 0 0 0 Real estate – multi-family and residential rental 0 0 0 0 Total commercial 0 0 0 67,000 Retail: Home equity and other 0 0 0 0 1-4 family mortgages 0 0 0 172,000 Total retail 0 0 0 172,000 Total with an allowance recorded $ 0 $ 0 $ 0 $ 239,000 Total impaired loans: Commercial $ 2,541,000 $ 2,135,000 $ 0 $ 3,021,000 Retail 3,397,000 2,660,000 0 2,170,000 Total impaired loans $ 5,938,000 $ 4,795,000 $ 0 $ 5,191,000
Financing Receivable Credit Quality Indicators [Table Text Block]	Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 468,826,000 $ 17,645,000 $ 313,933,000 $ 564,093,000 $ 39,571,000 Grades 5 – 7 187,118,000 7,767,000 140,088,000 151,632,000 21,709,000 Grades 8 – 9 19,244,000 102,000 14,756,000 0 482,000 Total commercial $ 675,188,000 $ 25,514,000 $ 468,777,000 $ 715,725,000 $ 61,762,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 39,543,000 $ 1,412,000 $ 28,823,000 $ 54,951,000 $ 17,376,000 Grades 5 – 7 24,591,000 4,512,000 30,940,000 23,448,000 17,132,000 Grades 8 – 9 483,000 0 2,612,000 82,000 158,000 Total commercial $ 64,617,000 $ 5,924,000 $ 62,375,000 $ 78,481,000 $ 34,666,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 469,537,000 $ 15,090,000 $ 326,700,000 $ 559,388,000 $ 42,951,000 Grades 5 – 7 189,851,000 8,557,000 123,024,000 149,135,000 21,552,000 Grades 8 – 9 21,417,000 35,000 6,341,000 301,000 349,000 Total commercial $ 680,805,000 $ 23,682,000 $ 456,065,000 $ 708,824,000 $ 64,852,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Internal credit risk grade groupings: Grades 1 – 4 $ 46,263,000 $ 1,446,000 $ 28,706,000 $ 52,674,000 $ 17,499,000 Grades 5 – 7 25,654,000 4,745,000 39,565,000 30,102,000 19,212,000 Grades 8 – 9 1,042,000 0 1,992,000 85,000 355,000 Total commercial $ 72,959,000 $ 6,191,000 $ 70,263,000 $ 82,861,000 $ 37,066,000
Allowance for Credit Losses on Financing Receivables [Table Text Block]	Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 16,456,000 $ 2,584,000 $ 93,000 $ 19,133,000 Provision for loan losses (341,000 ) (563,000 ) 122,000 (782,000 ) Charge-offs (258,000 ) (135,000 ) 0 (393,000 ) Recoveries 1,008,000 115,000 0 1,123,000 Ending balance $ 16,865,000 $ 2,001,000 $ 215,000 $ 19,081,000 Ending balance: individually evaluated for impairment $ 547,000 $ 316,000 $ 0 $ 863,000 Ending balance: collectively evaluated for impairment $ 16,318,000 $ 1,685,000 $ 215,000 $ 18,218,000 Total loans: Ending balance $ 1,946,966,000 $ 244,885,000 $ 2,191,851,000 Ending balance: individually evaluated for impairment $ 7,398,000 $ 2,022,000 $ 9,420,000 Ending balance: collectively evaluated for impairment $ 1,939,568,000 $ 242,863,000 $ 2,182,431,000 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 291,000 $ 77,000 $ 0 $ 368,000 Provision for loan losses 314,000 468,000 0 782,000 Charge-offs (246,000 ) (15,000 ) 0 (261,000 ) Recoveries 0 4,000 0 4,000 Ending balance $ 359,000 $ 534,000 $ 0 $ 893,000 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 16,026,000 $ 1,882,000 $ (40,000 ) $ 17,868,000 Provision for loan losses 1,148,000 1,360,000 133,000 2,641,000 Charge-offs (2,292,000 ) (891,000 ) 0 (3,183,000 ) Recoveries 1,574,000 233,000 0 1,807,000 Ending balance $ 16,456,000 $ 2,584,000 $ 93,000 $ 19,133,000 Ending balance: individually evaluated for impairment $ 1,202,000 $ 665,000 $ 0 $ 1,867,000 Ending balance: collectively evaluated for impairment $ 15,254,000 $ 1,919,000 $ 93,000 $ 17,266,000 Total loans: Ending balance $ 1,934,228,000 $ 235,729,000 $ 2,169,957,000 Ending balance: individually evaluated for impairment $ 6,394,000 $ 2,393,000 $ 8,787,000 Ending balance: collectively evaluated for impairment $ 1,927,834,000 $ 233,336,000 $ 2,161,170,000 Commercial Retail Loans Loans Unallocated Total Allowance for loan losses: Beginning balance $ 75,000 $ 18,000 $ 0 $ 93,000 Provision for loan losses 210,000 99,000 0 309,000 Charge-offs (12,000 ) (40,000 ) 0 (52,000 ) Recoveries 18,000 0 0 18,000 Ending balance $ 291,000 $ 77,000 $ 0 $ 368,000
Troubled Debt Restructurings on Financing Receivables [Table Text Block]	Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal Contracts Balance Balance Originated loans Commercial: Commercial and industrial 3 $ 107,000 $ 96,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 4 3,865,000 3,854,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total originated commercial 7 3,972,000 3,950,000 Retail: Home equity and other 1 50,000 50,000 1-4 family mortgages 0 0 0 Total originated retail 1 50,000 50,000 Total originated loans 8 $ 4,022,000 $ 4,000,000 Acquired loans Commercial: Commercial and industrial 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 3 1,597,000 1,597,000 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total acquired commercial 3 1,597,000 1,597,000 Retail: Home equity and other 6 118,000 119,000 1-4 family mortgages 0 0 0 Total acquired retail 6 118,000 119,000 Total acquired loans 9 $ 1,715,000 $ 1,716,000 Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal Contracts Balance Balance Originated loans Commercial: Commercial and industrial 0 $ 0 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total originated commercial 0 0 0 Retail: Home equity and other 4 328,000 329,000 1-4 family mortgages 0 0 0 Total originated retail 4 328,000 329,000 Total originated loans 4 $ 328,000 $ 329,000 Acquired loans Commercial: Commercial and industrial 1 $ 31,000 $ 31,000 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total acquired commercial 1 31,000 31,000 Retail: Home equity and other 2 6,000 7,000 1-4 family mortgages 1 57,000 57,000 Total acquired retail 3 63,000 64,000 Total acquired loans 4 $ 94,000 $ 95,000
Troubled Debt Restructurings on Financing Receivables with in Previous Twelve Months that Became Over Thirty Days Past Due [Table Text Block]	Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 0 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 1 251,000 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 251,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 1 $ 251,000 Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 1 $ 113,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 113,000 Retail: Home equity and other 2 20,000 1-4 family mortgages 0 0 Total retail 2 20,000 Total 3 $ 133,000 Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 2 $ 34,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 1 130,000 Total commercial 3 164,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 3 $ 164,000 Recorded Number of Principal Contracts Balance Commercial: Commercial and industrial 1 $ 24,000 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 1 24,000 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 1 $ 24,000
Trouble Debt Restructuring Activity [Table Text Block]	Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Commercial Loan Portfolio: Beginning Balance $ 2,989,000 $ 383,000 $ 1,599,000 $ 0 $ 0 Charge-Offs (230,000 ) 0 0 0 0 Payments (882,000 ) (45,000 ) (855,000 ) 0 0 Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 105,000 0 3,804,000 0 0 Ending Balance $ 1,982,000 $ 338,000 $ 4,548,000 $ 0 $ 0 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 1,127,000 $ 146,000 Charge-Offs 0 0 Payments (8,000 ) (2,000 ) Transfers to ORE 0 0 Net Additions/Deletions 50,000 0 Ending Balance $ 1,169,000 $ 144,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Commercial Loan Portfolio: Beginning Balance $ 1,001,000 $ 0 $ 427,000 $ 237,000 $ 41,000 Charge-Offs (275,000 ) 0 0 0 0 Payments (10,000 ) 0 (17,000 ) (5,000 ) (5,000 ) Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 0 0 1,597,000 0 0 Ending Balance $ 716,000 $ 0 $ 2,007,000 $ 232,000 $ 36,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 219,000 $ 393,000 Charge-Offs (15,000 ) 0 Payments (1,000 ) (9,000 ) Transfers to ORE (82,000 ) 0 Net Additions/Deletions 119,000 0 Ending Balance $ 240,000 $ 384,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Real Estate - Owner Occupied Commercial Real Estate - Non-Owner Occupied Commercial Real Estate - Multi-Family and Residential Rental Commercial Loan Portfolio: Beginning Balance $ 1,503,000 $ 1,488,000 $ 906,000 $ 5,110,000 $ 716,000 Charge-Offs 0 0 0 0 0 Payments (125,000 ) (529,000 ) (27,000 ) (123,000 ) (113,000 ) Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 159,000 0 0 (436,000 ) (312,000 ) Ending Balance $ 1,537,000 $ 959,000 $ 879,000 $ 4,551,000 $ 291,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 385,000 $ 157,000 Charge-Offs 0 0 Payments 0 (3,000 ) Transfers to ORE 0 0 Net Additions/Deletions 321,000 0 Ending Balance $ 706,000 $ 154,000 Commercial and Industrial Commercial Vacant Land, Land Development, and Residential Construction Commercial Commercial Commercial Commercial Loan Portfolio: Beginning Balance $ 1,125,000 $ 0 $ 900,000 $ 728,000 $ 60,000 Charge-Offs 0 0 (12,000 ) 0 0 Payments (233,000 ) 0 0 (145,000 ) 0 Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 30,000 0 108,000 0 8,000 Ending Balance $ 922,000 $ 0 $ 996,000 $ 583,000 $ 68,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 208,000 $ 326,000 Charge-Offs 0 0 Payments (9,000 ) (4,000 ) Transfers to ORE 0 0 Net Additions/Deletions 7,000 54,000 Ending Balance $ 206,000 $ 376,000
Allowance Related to Loans Categorized as Troubled Debt Restructurings [Table Text Block]	March 31, December 31, 2018 2017 Commercial: Commercial and industrial $ 85,000 $ 107,000 Vacant land, land development, and residential construction 0 0 Real estate – owner occupied 375,000 141,000 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 460,000 248,000 Retail: Home equity and other 215,000 196,000 1-4 family mortgages 21,000 0 Total retail 236,000 196,000 Total related allowance $ 696,000 $ 444,000
Retail Portfolio Segment [Member]
Notes Tables
Financing Receivable Credit Quality Indicators [Table Text Block]	Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 65,604,000 $ 179,281,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 27,575,000 $ 85,715,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 69,675,000 $ 166,054,000 Retail Retail Home Equity 1-4 Family and Other Mortgages Total retail $ 30,750,000 $ 88,505,000

Note 4 - Premises and Equipme24

Note 4 - Premises and Equipment, Net (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Property, Plant and Equipment [Table Text Block]	March 31, December 31, 2018 2017 Land and improvements $ 17,938,000 $ 18,046,000 Buildings 41,751,000 41,179,000 Furniture and equipment 17,858,000 17,398,000 77,547,000 76,623,000 Less: accumulated depreciation 31,247,000 30,589,000 Premises and equipment, net $ 46,300,000 $ 46,034,000

Note 5 - Deposits (Tables)

Note 5 - Deposits (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Summary of Deposits and Percentage Change in Deposits [Table Text Block]	Percent March 31, 2018 December 31, 2017 Increase Balance % Balance % (Decrease) Noninterest-bearing demand $ 830,187,000 32.7 % $ 866,380,000 34.3 % (4.2 %) Interest-bearing checking 392,134,000 15.4 387,758,000 15.4 1.1 Money market 486,318,000 19.1 427,119,000 16.9 13.9 Savings 326,247,000 12.9 327,530,000 13.0 (0.4 ) Time, under $100,000 156,053,000 6.2 152,294,000 6.0 2.5 Time, $100,000 and over 246,703,000 9.7 258,626,000 10.3 (4.6 ) Total local deposits 2,437,642,000 96.0 2,419,707,000 95.9 0.7 Out-of-area time, under $100,000 0 NA 0 NA NA Out-of-area time, $100,000 and over 102,411,000 4.0 102,658,000 4.1 (0.2 ) Total out-of-area deposits 102,411,000 4.0 102,658,000 4.1 (0.2 ) Total deposits $ 2,540,053,000 100.0 % $ 2,522,365,000 100.0 % 0.7 %

Note 6 - Securities Sold Unde26

Note 6 - Securities Sold Under Agreements to Repurchase (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Repurchase Agreements [Table Text Block]	Three Months Ended Twelve Months Ended March 31, 2018 December 31, 2017 Outstanding balance at end of period $ 104,894,000 $ 118,748,000 Average interest rate at end of period 0.25 % 0.16 % Average daily balance during the period $ 108,048,000 $ 116,587,000 Average interest rate during the period 0.22 % 0.16 % Maximum daily balance during the period $ 123,046,000 $ 142,459,000

Note 7 - Federal Home Loan Ba27

Note 7 - Federal Home Loan Bank of Indianapolis Advances (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Maturities of Currently Outstanding FHLB Advances [Table Text Block]	2018 $ 20,000,000 2019 40,000,000 2020 30,000,000 2021 40,000,000 2022 40,000,000 Thereafter 50,000,000

Note 8 - Commitments and Off-28

Note 8 - Commitments and Off-Balance Sheet Risk (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Summary of Contractual Amounts of Financial Instruments With Off Balance Sheet Risk [Table Text Block]	March 31, December 31, 2018 2017 Commercial unused lines of credit $ 678,832,000 $ 682,202,000 Unused lines of credit secured by 1 – 4 family residential properties 60,930,000 61,606,000 Credit card unused lines of credit 42,693,000 39,807,000 Other consumer unused lines of credit 17,788,000 17,629,000 Commitments to make loans 238,437,000 184,923,000 Standby letters of credit 23,592,000 26,030,000 $ 1,062,272,000 $ 1,012,197,000

Note 10 - Fair Values of Fina29

Note 10 - Fair Values of Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Fair Value, by Balance Sheet Grouping [Table Text Block]	Level in March 31, 2018 December 31, 2017 Fair Value Carrying Fair Carrying Fair Hierarchy Values Values Values Values Financial assets: Cash Level 1 $ 11,148 $ 11,148 $ 11,565 $ 11,565 Cash equivalents Level 2 200,009 200,009 188,536 188,536 Securities available for sale (1) 336,988 336,988 335,744 335,744 FHLBI stock (2) 11,036 11,036 11,036 11,036 Loans, net Level 3 2,529,366 2,528,622 2,536,498 2,520,063 Loans held for sale Level 2 1,864 1,864 2,553 2,553 Mortgage servicing rights Level 2 4,899 8,223 5,106 8,373 Accrued interest receivable Level 2 9,590 9,590 8,770 8,770 Financial liabilities: Deposits Level 2 2,540,053 2,361,212 2,522,365 2,368,188 Repurchase agreements Level 2 104,894 104,894 118,748 118,748 FHLBI advances Level 2 220,000 214,172 220,000 217,130 Subordinated debentures Level 2 45,688 46,280 45,517 45,732 Accrued interest payable Level 2 2,172 2,172 1,919 1,919 Interest rate swap (1) 0 0 2 2

Note 11 - Fair Values (Tables)

Note 11 - Fair Values (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 173,169,000 $ 0 $ 173,169,000 $ 0 Mortgage-backed securities 40,351,000 0 40,351,000 0 Municipal general obligation bonds 117,660,000 0 112,469,000 5,191,000 Municipal revenue bonds 3,843,000 0 3,843,000 0 Other investments 1,965,000 0 1,965,000 0 Total $ 336,988,000 $ 0 $ 331,797,000 $ 5,191,000 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 169,700,000 $ 0 $ 169,700,000 $ 0 Mortgage-backed securities 38,792,000 0 38,792,000 0 Municipal general obligation bonds 121,293,000 0 116,102,000 5,191,000 Municipal revenue bonds 3,978,000 0 3,978,000 0 Other investments 1,981,000 0 1,981,000 0 Interest rate swap (2,000 ) 0 (2,000 ) 0 Total $ 335,742,000 $ 0 $ 330,551,000 $ 5,191,000
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Impaired loans $ 4,498,000 $ 0 $ 0 $ 4,498,000 Foreclosed assets 2,384,000 0 0 2,384,000 Total $ 6,882,000 $ 0 $ 0 $ 6,882,000 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Impaired loans $ 5,836,000 $ 0 $ 0 $ 5,836,000 Foreclosed assets 2,260,000 0 0 2,260,000 Total $ 8,096,000 $ 0 $ 0 $ 8,096,000

Note 12 - Regulatory Matters (T

Note 12 - Regulatory Matters (Tables)	3 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]	Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations Amount Ratio Amount Ratio Amount Ratio March 31, 2018 Total capital (to risk weighted assets) Consolidated $ 387,520 13.2 % $ 234,830 8.0 % $ NA NA Bank 379,370 12.9 234,646 8.0 293,307 10.0 % Tier 1 capital (to risk weighted assets) Consolidated 367,546 12.5 176,123 6.0 NA NA Bank 359,396 12.3 175,984 6.0 234,646 8.0 Common equity tier 1 (to risk weighted assets) Consolidated 323,932 11.0 132,092 4.5 NA NA Bank 359,396 12.3 131,988 4.5 190,650 6.5 Tier 1 capital (to average assets) Consolidated 367,546 11.5 127,794 4.0 NA NA Bank 359,396 11.3 127,712 4.0 159,640 5.0 Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations Amount Ratio Amount Ratio Amount Ratio December 31, 2017 Total capital (to risk weighted assets) Consolidated $ 379,417 12.9 % $ 235,723 8.0 % $ NA NA Bank 371,346 12.6 235,515 8.0 294,393 10.0 % Tier 1 capital (to risk weighted assets) Consolidated 359,915 12.2 176,792 6.0 NA NA Bank 351,844 12.0 176,636 6.0 235,515 8.0 Common equity tier 1 (to risk weighted assets) Consolidated 316,472 10.7 132,594 4.5 NA NA Bank 351,844 12.0 132,477 4.5 191,356 6.5 Tier 1 capital (to average assets) Consolidated 359,915 11.3 127,782 4.0 NA NA Bank 351,844 11.0 127,698 4.0 159,623 5.0

Note 1 - Significant Accounti32

Note 1 - Significant Accounting Policies (Details Textual) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2018USD ($)shares	Mar. 31, 2017shares	Dec. 31, 2018	Dec. 31, 2017USD ($)
Number of Unconsolidated Business Trusts Formed to Issue Trust Preferred Securities	5
Interest Income on Commercial and Mortgage Loans Discontinued Period	90 days
Maximum Delinquency Period for Consumer and Credit Card Loans to be Charged Off	120 days
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Mortgage | $	$ 1.9			$ 2.6
Servicing Asset, Total | $	$ 611
Adjustments for New Accounting Principle, Early Adoption [Member]
Reclassification from AOCI to Retained Earnings, Current Period | $				$ 0.9
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Core Deposits [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Restricted Stock [Member]
Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights | shares	236,000	225,000
Employee Stock Option [Member]
Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights | shares	17,000	34,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares	7,000	7,000

Note 2 - Securities (Details Te

Note 2 - Securities (Details Textual)	3 Months Ended
	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total	$ 296,119,000	$ 252,521,000
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	14,039,000	7,559,000
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance	0
Debt Securities, Available-for-sale, Amortized Cost, Total	350,335,000	341,948,000
Debt Securities, Available-for-sale, Total	336,988,000	335,744,000
State of Michigan and All Its Political Subdivisions [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	112,000,000	112,000,000
Debt Securities, Available-for-sale, Total	111,000,000	112,000,000
All Other States and Their Political Subdivisions [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	10,800,000	12,900,000
Debt Securities, Available-for-sale, Total	$ 10,700,000	13,000,000
Securities Other Than US Government Agencies and the State of Michigan and Political Subdivisions [Member] | Stockholders' Equity, Total [Member] | Securities Issued Concentration Risk [Member]
Concentration Risk, Percentage	10.00%
US Government Agency Debt Obligations and Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Restricted	$ 105,000,000	$ 119,000,000
Debt Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	394
Mutual Funds [Member]
Equity Securities, Number of Positions	1

Note 2 - Securities - Available

Note 2 - Securities - Available-for-sale Securities (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale, Amortized Cost, Total	$ 350,335,000	$ 341,948,000
Gross Unrealized Gains	692,000	1,355,000
Gross Unrealized Losses	(14,039,000)	(7,559,000)
Fair Value	336,988,000	335,744,000
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	184,422,000	175,953,000
Gross Unrealized Gains	4,000	99,000
Gross Unrealized Losses	(11,257,000)	(6,352,000)
Fair Value	173,169,000	169,700,000
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	41,104,000	38,967,000
Gross Unrealized Gains	278,000	335,000
Gross Unrealized Losses	(1,031,000)	(510,000)
Fair Value	40,351,000	38,792,000
Municipal General Obligation Bonds [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	118,881,000	121,040,000
Gross Unrealized Gains	404,000	891,000
Gross Unrealized Losses	(1,625,000)	(638,000)
Fair Value	117,660,000	121,293,000
Municipal Revenue Bonds [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	3,910,000	3,978,000
Gross Unrealized Gains	6,000	30,000
Gross Unrealized Losses	(73,000)	(30,000)
Fair Value	3,843,000	3,978,000
Other Debt and Equity Securities [Member]
Debt Securities, Available-for-sale, Amortized Cost, Total	2,018,000	2,010,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(53,000)	(29,000)
Fair Value	$ 1,965,000	$ 1,981,000

Note 2 - Securities - Securitie

Note 2 - Securities - Securities in a Continuous Loss Position (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Securities available for sale, continuous unrealized loss position, less than 12 months	$ 105,956,000	$ 60,173,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	2,627,000	733,000
Securities available for sale, continuous unrealized loss position, 12 months or more	190,163,000	192,348,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	11,412,000	6,826,000
Securities available for sale, continuous unrealized loss position	296,119,000	252,521,000
Securities available for sale, continuous unrealized loss position, unrealized loss	14,039,000	7,559,000
US Government Agencies Debt Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	44,594,000	35,677,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	1,464,000	434,000
Securities available for sale, continuous unrealized loss position, 12 months or more	126,600,000	115,374,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	9,793,000	5,918,000
Securities available for sale, continuous unrealized loss position	171,194,000	151,051,000
Securities available for sale, continuous unrealized loss position, unrealized loss	11,257,000	6,352,000
Collateralized Mortgage Backed Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	14,519,000	10,179,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	479,000	156,000
Securities available for sale, continuous unrealized loss position, 12 months or more	18,867,000	21,084,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	552,000	354,000
Securities available for sale, continuous unrealized loss position	33,386,000	31,263,000
Securities available for sale, continuous unrealized loss position, unrealized loss	1,031,000	510,000
Municipal General Obligation Bonds [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	43,826,000	12,807,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	615,000	114,000
Securities available for sale, continuous unrealized loss position, 12 months or more	43,537,000	54,703,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	1,010,000	524,000
Securities available for sale, continuous unrealized loss position	87,363,000	67,510,000
Securities available for sale, continuous unrealized loss position, unrealized loss	1,625,000	638,000
Municipal Revenue Bonds [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	1,499,000	0
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	16,000	0
Securities available for sale, continuous unrealized loss position, 12 months or more	1,159,000	1,187,000
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	57,000	30,000
Securities available for sale, continuous unrealized loss position	2,658,000	1,187,000
Securities available for sale, continuous unrealized loss position, unrealized loss	73,000	30,000
Other Debt and Equity Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	1,518,000	1,510,000
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	53,000	29,000
Securities available for sale, continuous unrealized loss position, 12 months or more	0	0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	0	0
Securities available for sale, continuous unrealized loss position	1,518,000	1,510,000
Securities available for sale, continuous unrealized loss position, unrealized loss	$ 53,000	$ 29,000

Note 2 - Securities - Debt Secu

Note 2 - Securities - Debt Securities by Maturity (Details)	Mar. 31, 2018USD ($)
Due in 2018	1.86%
Due in 2018	$ 28,193,000
Due in 2018	$ 28,181,000
Due in 2019 through 2023	2.12%
Due in 2019 through 2023	$ 65,051,000
Due in 2019 through 2023	$ 64,576,000
Due in 2024 through 2028	2.52%
Due in 2024 through 2028	$ 99,189,000
Due in 2024 through 2028	$ 94,685,000
Due in 2029 and beyond	2.95%
Due in 2029 and beyond	$ 114,780,000
Due in 2029 and beyond	$ 107,230,000
Total available for sale securities	2.51%
Total available for sale securities	$ 350,335,000
Total available for sale securities	$ 336,988,000
Collateralized Mortgage Backed Securities [Member]
No single maturity, weighted average yield	2.33%
No single maturity, amortized cost	$ 41,104,000
No single maturity, fair value	$ 40,351,000
Other Debt and Equity Securities [Member]
No single maturity, weighted average yield	2.84%
No single maturity, amortized cost	$ 2,018,000
No single maturity, fair value	$ 1,965,000

Note 3 - Loans and Allowance 37

Note 3 - Loans and Allowance for Loan Losses (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Loans and Leases Receivable, Net of Deferred Income, Total	$ 2,551,204,000		$ 2,558,552,000
Loans and Leases Receivable Period Increase (Decrease)	$ (7,300,000)
Loans and Leases Receivable, Percentage Period Increase (Decrease)	0.30%
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance, Total	$ 9,200,000		11,900,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	5,000,000		$ 5,200,000
Impaired Financing Receivable, Interest Income, Accrual Method, Total	300,000	$ 200,000
Loans and Leases Receivable Nonaccrual Loans Interest Income Recognized	0	0
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	$ 100,000	$ 100,000
Minimum Number of Days Past Due at Period End For Loans Modified as Troubled Debt Restructurings	30 days

Note 3 - Loans and Allowance 38

Note 3 - Loans and Allowance for Loan Losses - Components of Loan Portfolio (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Loans	$ 2,551,204,000	$ 2,558,552,000
Percent of portfolio	100.00%	100.00%
Period increase (decrease)	(0.30%)
Commercial Portfolio Segment [Member]
Loans	$ 2,193,029,000	$ 2,203,568,000
Percent of portfolio	86.00%	86.10%
Period increase (decrease)	(0.50%)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	$ 739,805,000	$ 753,764,000
Percent of portfolio	29.00%	29.40%
Period increase (decrease)	(1.90%)
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	$ 31,438,000	$ 29,873,000
Percent of portfolio	1.20%	1.20%
Period increase (decrease)	5.20%
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans	$ 531,152,000	$ 526,328,000
Percent of portfolio	20.80%	20.60%
Period increase (decrease)	0.90%
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	$ 794,206,000	$ 791,685,000
Percent of portfolio	31.20%	30.90%
Period increase (decrease)	0.30%
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	$ 96,428,000	$ 101,918,000
Percent of portfolio	3.80%	4.00%
Period increase (decrease)	(5.40%)
Retail Portfolio Segment [Member]
Loans	$ 358,175,000	$ 354,984,000
Percent of portfolio	14.00%	13.90%
Period increase (decrease)	0.90%
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	$ 93,179,000	$ 100,425,000
Percent of portfolio	3.60%	3.90%
Period increase (decrease)	(7.20%)
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	$ 264,996,000	$ 254,559,000
Percent of portfolio	10.40%	10.00%
Period increase (decrease)	4.10%
Originated Loan [Member]
Loans	$ 2,191,851,000	$ 2,169,957,000
Percent of portfolio	100.00%	100.00%
Period increase (decrease)	1.00%
Originated Loan [Member] | Commercial Portfolio Segment [Member]
Loans	$ 1,946,966,000	$ 1,934,228,000
Percent of portfolio	88.80%	89.10%
Period increase (decrease)	0.70%
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	$ 675,188,000	$ 680,805,000
Percent of portfolio	30.80%	31.30%
Period increase (decrease)	(0.80%)
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	$ 25,514,000	$ 23,682,000
Percent of portfolio	1.20%	1.10%
Period increase (decrease)	7.70%
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans	$ 468,777,000	$ 456,065,000
Percent of portfolio	21.40%	21.00%
Period increase (decrease)	2.80%
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	$ 715,725,000	$ 708,824,000
Percent of portfolio	32.60%	32.70%
Period increase (decrease)	1.00%
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	$ 61,762,000	$ 64,852,000
Percent of portfolio	2.80%	3.00%
Period increase (decrease)	(4.80%)
Originated Loan [Member] | Retail Portfolio Segment [Member]
Loans	$ 244,885,000	$ 235,729,000
Percent of portfolio	11.20%	10.90%
Period increase (decrease)	3.90%
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	$ 65,604,000	$ 69,675,000
Percent of portfolio	3.00%	3.20%
Period increase (decrease)	(5.80%)
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	$ 179,281,000	$ 166,054,000
Percent of portfolio	8.20%	7.70%
Period increase (decrease)	8.00%
Acquired Loan [Member]
Loans	$ 359,353,000	$ 388,595,000
Percent of portfolio	100.00%	100.00%
Period increase (decrease)	(7.50%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member]
Loans	$ 246,063,000	$ 269,340,000
Percent of portfolio	68.50%	69.30%
Period increase (decrease)	(8.60%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	$ 64,617,000	$ 72,959,000
Percent of portfolio	18.00%	18.80%
Period increase (decrease)	(11.40%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	$ 5,924,000	$ 6,191,000
Percent of portfolio	1.60%	1.60%
Period increase (decrease)	(4.30%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans	$ 62,375,000	$ 70,263,000
Percent of portfolio	17.50%	18.10%
Period increase (decrease)	(11.20%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	$ 78,481,000	$ 82,861,000
Percent of portfolio	21.80%	21.30%
Period increase (decrease)	(5.30%)
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	$ 34,666,000	$ 37,066,000
Percent of portfolio	9.60%	9.50%
Period increase (decrease)	(6.50%)
Acquired Loan [Member] | Retail Portfolio Segment [Member]
Loans	$ 113,290,000	$ 119,255,000
Percent of portfolio	31.50%	30.70%
Period increase (decrease)	(5.00%)
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	$ 27,575,000	$ 30,750,000
Percent of portfolio	7.70%	7.90%
Period increase (decrease)	(10.30%)
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	$ 85,715,000	$ 88,505,000
Percent of portfolio	23.80%	22.80%
Period increase (decrease)	(3.20%)

Note 3 - Loans and Allowance 39

Note 3 - Loans and Allowance for Loan Losses - Acquired Impaired Loans Accretable Yield (Details) - USD ($)		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Balance at beginning of period		$ 1,404,000	$ 1,726,000
Additions		0	1,000
Accretion income		(131,000)	(147,000)
Net reclassification from nonaccretable to accretable		86,000	63,000
Reductions (1)	[1]	(40,000)	(179,000)
Balance at end of period		$ 1,319,000	$ 1,464,000
[1]	Reductions primarily reflect the result of exit events, including loan payoffs and charge-offs.

Note 3 - Loans and Allowance 40

Note 3 - Loans and Allowance for Loan Losses - Nonperforming Loans (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Originated Loan [Member]
Loans past due 90 days or more still accruing interest	$ 0	$ 0
Originated Loan [Member] | Commercial Portfolio Segment [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Retail Portfolio Segment [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans past due 90 days or more still accruing interest	0	0
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Retail Portfolio Segment [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans past due 90 days or more still accruing interest	0	0
Nonperforming Financial Instruments [Member]
Total nonperforming	5,742,000	7,143,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member]
Total nonperforming	2,604,000	3,898,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Total nonperforming	619,000	1,444,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Total nonperforming	0	35,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Total nonperforming	1,831,000	2,241,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Total nonperforming	0	0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Total nonperforming	154,000	178,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member]
Total nonperforming	3,138,000	3,245,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Total nonperforming	512,000	577,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Total nonperforming	2,626,000	2,668,000
Nonperforming Financial Instruments [Member] | Originated Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Nonaccrual loans	2,763,000	3,672,000
Total nonperforming	2,763,000	3,672,000
Nonperforming Financial Instruments [Member] | Acquired Loan [Member]
Loans past due 90 days or more still accruing interest	0	0
Nonaccrual loans	2,979,000	3,471,000
Total nonperforming	$ 2,979,000	$ 3,471,000

Note 3 - Loans and Allowance 41

Note 3 - Loans and Allowance for Loan Losses - Age Analysis of Past Due Loans (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Loans	$ 2,551,204,000	$ 2,558,552,000
Originated Loan [Member]
Past due loans	3,061,000	2,451,000
Current loans	2,188,790,000	2,167,506,000
Loans	2,191,851,000	2,169,957,000
Loans past due 90 days or more still accruing interest	0	0
Acquired Loan [Member]
Past due loans	2,148,000	3,479,000
Current loans	357,205,000	385,116,000
Loans	359,353,000	388,595,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member]
Loans	2,193,029,000	2,203,568,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	739,805,000	753,764,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	31,438,000	29,873,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans	531,152,000	526,328,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	794,206,000	791,685,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	96,428,000	101,918,000
Commercial Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	2,530,000	1,457,000
Current loans	1,944,436,000	1,932,771,000
Loans	1,946,966,000	1,934,228,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Past due loans	2,279,000	178,000
Current loans	672,909,000	680,627,000
Loans	675,188,000	680,805,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	35,000
Current loans	25,514,000	23,647,000
Loans	25,514,000	23,682,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	251,000	1,244,000
Current loans	468,526,000	454,821,000
Loans	468,777,000	456,065,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Current loans	715,725,000	708,824,000
Loans	715,725,000	708,824,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	0	0
Current loans	61,762,000	64,852,000
Loans	61,762,000	64,852,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	548,000	1,181,000
Current loans	245,515,000	268,159,000
Loans	246,063,000	269,340,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Past due loans	113,000	154,000
Current loans	64,504,000	72,805,000
Loans	64,617,000	72,959,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	14,000
Current loans	5,924,000	6,177,000
Loans	5,924,000	6,191,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	399,000	905,000
Current loans	61,976,000	69,358,000
Loans	62,375,000	70,263,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Current loans	78,481,000	82,861,000
Loans	78,481,000	82,861,000
Loans past due 90 days or more still accruing interest	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	36,000	108,000
Current loans	34,630,000	36,958,000
Loans	34,666,000	37,066,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member]
Loans	358,175,000	354,984,000
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	93,179,000	100,425,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	264,996,000	254,559,000
Retail Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	531,000	994,000
Current loans	244,354,000	234,735,000
Loans	244,885,000	235,729,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Past due loans	65,000	744,000
Current loans	65,539,000	68,931,000
Loans	65,604,000	69,675,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	466,000	250,000
Current loans	178,815,000	165,804,000
Loans	179,281,000	166,054,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	1,600,000	2,298,000
Current loans	111,690,000	116,957,000
Loans	113,290,000	119,255,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Past due loans	249,000	614,000
Current loans	27,326,000	30,136,000
Loans	27,575,000	30,750,000
Loans past due 90 days or more still accruing interest	0	0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	1,351,000	1,684,000
Current loans	84,364,000	86,821,000
Loans	85,715,000	88,505,000
Loans past due 90 days or more still accruing interest	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Originated Loan [Member]
Past due loans	1,415,000	647,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Acquired Loan [Member]
Past due loans	835,000	1,786,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	1,350,000	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Past due loans	1,350,000	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	27,000	688,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Past due loans	0	40,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	14,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	0	634,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	27,000	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	65,000	647,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Past due loans	65,000	647,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	808,000	1,098,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Past due loans	163,000	408,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	645,000	690,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Originated Loan [Member]
Past due loans	1,175,000	11,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Acquired Loan [Member]
Past due loans	431,000	385,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	929,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Past due loans	929,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	156,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	156,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	246,000	11,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Past due loans	0	11,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	246,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	275,000	385,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Past due loans	44,000	52,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	231,000	333,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Originated Loan [Member]
Past due loans	471,000	1,793,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Acquired Loan [Member]
Past due loans	882,000	1,308,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	251,000	1,457,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Past due loans	0	178,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	35,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	251,000	1,244,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	365,000	493,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Past due loans	113,000	114,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Past due loans	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Past due loans	243,000	271,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Past due loans	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Past due loans	9,000	108,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member]
Past due loans	220,000	336,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Past due loans	0	86,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	220,000	250,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member]
Past due loans	517,000	815,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Past due loans	42,000	154,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Past due loans	$ 475,000	$ 661,000

Note 3 - Loans and Allowance 42

Note 3 - Loans and Allowance for Loan Losses - Impaired Loans (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Originated Loan [Member]
With no related allowance recorded, unpaid principal balance	$ 5,382,000		$ 4,915,000
With no related allowance recorded, principal balance	4,616,000		3,150,000
With no related allowance recorded, average recorded principal balance	3,883,000	$ 2,883,000
With related allowance recorded, unpaid principal balance	5,405,000		5,837,000
With related allowance recorded, principal balance	4,804,000		5,637,000
Related allowance	863,000		1,867,000
With related allowance recorded, average recorded principal balance	5,220,000	10,913,000
Total unpaid principal balance	10,787,000		10,752,000
Total principal balance	9,420,000		8,787,000
Total average recorded principal balance	9,103,000	13,796,000
Originated Loan [Member] | Commercial Portfolio Segment [Member]
With no related allowance recorded, unpaid principal balance	3,508,000		3,096,000
With no related allowance recorded, principal balance	3,446,000		2,014,000
With no related allowance recorded, average recorded principal balance	2,730,000	1,987,000
With related allowance recorded, unpaid principal balance	4,485,000		4,447,000
With related allowance recorded, principal balance	3,952,000		4,380,000
Related allowance	547,000		1,202,000
With related allowance recorded, average recorded principal balance	4,165,000	10,079,000
Total unpaid principal balance	7,993,000		7,543,000
Total principal balance	7,398,000		6,394,000
Total average recorded principal balance	6,895,000	12,066,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
With no related allowance recorded, unpaid principal balance	234,000		765,000
With no related allowance recorded, principal balance	234,000		178,000
With no related allowance recorded, average recorded principal balance	206,000	1,589,000
With related allowance recorded, unpaid principal balance	2,623,000		3,038,000
With related allowance recorded, principal balance	2,133,000		2,989,000
Related allowance	304,000		963,000
With related allowance recorded, average recorded principal balance	2,561,000	2,690,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
With no related allowance recorded, unpaid principal balance	0		454,000
With no related allowance recorded, principal balance	0		35,000
With no related allowance recorded, average recorded principal balance	17,000	88,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	749,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
With no related allowance recorded, unpaid principal balance	2,937,000		1,528,000
With no related allowance recorded, principal balance	2,875,000		1,452,000
With no related allowance recorded, average recorded principal balance	2,164,000	113,000
With related allowance recorded, unpaid principal balance	1,717,000		1,409,000
With related allowance recorded, principal balance	1,674,000		1,391,000
Related allowance	226,000		239,000
With related allowance recorded, average recorded principal balance	1,532,000	1,144,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
With no related allowance recorded, unpaid principal balance	0		0
With no related allowance recorded, principal balance	0		0
With no related allowance recorded, average recorded principal balance	0	0
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	4,745,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
With no related allowance recorded, unpaid principal balance	337,000		349,000
With no related allowance recorded, principal balance	337,000		349,000
With no related allowance recorded, average recorded principal balance	343,000	197,000
With related allowance recorded, unpaid principal balance	145,000		0
With related allowance recorded, principal balance	145,000		0
Related allowance	17,000		0
With related allowance recorded, average recorded principal balance	72,000	751,000
Originated Loan [Member] | Retail Portfolio Segment [Member]
With no related allowance recorded, unpaid principal balance	1,874,000		1,819,000
With no related allowance recorded, principal balance	1,170,000		1,136,000
With no related allowance recorded, average recorded principal balance	1,153,000	896,000
With related allowance recorded, unpaid principal balance	920,000		1,390,000
With related allowance recorded, principal balance	852,000		1,257,000
Related allowance	316,000		665,000
With related allowance recorded, average recorded principal balance	1,055,000	834,000
Total unpaid principal balance	2,794,000		3,209,000
Total principal balance	2,022,000		2,393,000
Total average recorded principal balance	2,208,000	1,730,000
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
With no related allowance recorded, unpaid principal balance	768,000		693,000
With no related allowance recorded, principal balance	751,000		680,000
With no related allowance recorded, average recorded principal balance	716,000	247,000
With related allowance recorded, unpaid principal balance	508,000		1,225,000
With related allowance recorded, principal balance	498,000		1,147,000
Related allowance	258,000		652,000
With related allowance recorded, average recorded principal balance	823,000	697,000
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
With no related allowance recorded, unpaid principal balance	1,106,000		1,126,000
With no related allowance recorded, principal balance	419,000		456,000
With no related allowance recorded, average recorded principal balance	437,000	649,000
With related allowance recorded, unpaid principal balance	412,000		165,000
With related allowance recorded, principal balance	354,000		110,000
Related allowance	58,000		13,000
With related allowance recorded, average recorded principal balance	232,000	137,000
Acquired Loan [Member]
With no related allowance recorded, unpaid principal balance	5,423,000		5,938,000
With no related allowance recorded, principal balance	4,380,000		4,795,000
With no related allowance recorded, average recorded principal balance	4,588,000	4,952,000
With related allowance recorded, unpaid principal balance	1,597,000		0
With related allowance recorded, principal balance	1,597,000		0
Related allowance	307,000		0
With related allowance recorded, average recorded principal balance	799,000	239,000
Total unpaid principal balance	7,020,000		5,938,000
Total principal balance	5,977,000		4,795,000
Total average recorded principal balance	5,387,000	5,191,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member]
With no related allowance recorded, unpaid principal balance	2,147,000		2,541,000
With no related allowance recorded, principal balance	1,724,000		2,135,000
With no related allowance recorded, average recorded principal balance	1,930,000	2,954,000
With related allowance recorded, unpaid principal balance	1,597,000		0
With related allowance recorded, principal balance	1,597,000		0
Related allowance	307,000		0
With related allowance recorded, average recorded principal balance	799,000	67,000
Total unpaid principal balance	3,744,000		2,541,000
Total principal balance	3,321,000		2,135,000
Total average recorded principal balance	2,729,000	3,021,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
With no related allowance recorded, unpaid principal balance	743,000		1,039,000
With no related allowance recorded, principal balance	733,000		1,021,000
With no related allowance recorded, average recorded principal balance	877,000	892,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	19,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
With no related allowance recorded, unpaid principal balance	0		0
With no related allowance recorded, principal balance	0		0
With no related allowance recorded, average recorded principal balance	0	0
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
With no related allowance recorded, unpaid principal balance	1,110,000		1,027,000
With no related allowance recorded, principal balance	715,000		659,000
With no related allowance recorded, average recorded principal balance	687,000	1,151,000
With related allowance recorded, unpaid principal balance	1,597,000		0
With related allowance recorded, principal balance	1,597,000		0
Related allowance	307,000		0
With related allowance recorded, average recorded principal balance	799,000	48,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
With no related allowance recorded, unpaid principal balance	232,000		238,000
With no related allowance recorded, principal balance	232,000		237,000
With no related allowance recorded, average recorded principal balance	235,000	751,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
With no related allowance recorded, unpaid principal balance	62,000		237,000
With no related allowance recorded, principal balance	44,000		218,000
With no related allowance recorded, average recorded principal balance	131,000	160,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	0
Acquired Loan [Member] | Retail Portfolio Segment [Member]
With no related allowance recorded, unpaid principal balance	3,276,000		3,397,000
With no related allowance recorded, principal balance	2,656,000		2,660,000
With no related allowance recorded, average recorded principal balance	2,658,000	1,998,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	172,000
Total unpaid principal balance	3,276,000		3,397,000
Total principal balance	2,656,000		2,660,000
Total average recorded principal balance	2,658,000	2,170,000
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
With no related allowance recorded, unpaid principal balance	690,000		694,000
With no related allowance recorded, principal balance	649,000		507,000
With no related allowance recorded, average recorded principal balance	578,000	336,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		0
With related allowance recorded, average recorded principal balance	0	0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
With no related allowance recorded, unpaid principal balance	2,586,000		2,703,000
With no related allowance recorded, principal balance	2,007,000		2,153,000
With no related allowance recorded, average recorded principal balance	2,080,000	1,662,000
With related allowance recorded, unpaid principal balance	0		0
With related allowance recorded, principal balance	0		0
Related allowance	0		$ 0
With related allowance recorded, average recorded principal balance	$ 0	$ 172,000

Note 3 - Loans and Allowance 43

Note 3 - Loans and Allowance for Loan Losses - Loans by Credit Quality Indicators (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Loans	$ 2,551,204,000	$ 2,558,552,000
Originated Loan [Member]
Loans	2,191,851,000	2,169,957,000
Acquired Loan [Member]
Loans	359,353,000	388,595,000
Commercial Portfolio Segment [Member]
Loans	2,193,029,000	2,203,568,000
Commercial Portfolio Segment [Member] | Originated Loan [Member]
Loans	1,946,966,000	1,934,228,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Loans	246,063,000	269,340,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	739,805,000	753,764,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Originated Loan [Member]
Loans	675,188,000	680,805,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Acquired Loan [Member]
Loans	64,617,000	72,959,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans	31,438,000	29,873,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member]
Loans	25,514,000	23,682,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member]
Loans	5,924,000	6,191,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans	531,152,000	526,328,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	468,777,000	456,065,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	62,375,000	70,263,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	794,206,000	791,685,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	715,725,000	708,824,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	78,481,000	82,861,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	96,428,000	101,918,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member]
Loans	61,762,000	64,852,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member]
Loans	34,666,000	37,066,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Originated Loan [Member]
Loans	468,826,000	469,537,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Acquired Loan [Member]
Loans	39,543,000	46,263,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member]
Loans	17,645,000	15,090,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member]
Loans	1,412,000	1,446,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	313,933,000	326,700,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	28,823,000	28,706,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	564,093,000	559,388,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	54,951,000	52,674,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member]
Loans	39,571,000	42,951,000
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member]
Loans	17,376,000	17,499,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Originated Loan [Member]
Loans	187,118,000	189,851,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Acquired Loan [Member]
Loans	24,591,000	25,654,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member]
Loans	7,767,000	8,557,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member]
Loans	4,512,000	4,745,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	140,088,000	123,024,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	30,940,000	39,565,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	151,632,000	149,135,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	23,448,000	30,102,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member]
Loans	21,709,000	21,552,000
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member]
Loans	17,132,000	19,212,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Originated Loan [Member]
Loans	19,244,000	21,417,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Acquired Loan [Member]
Loans	483,000	1,042,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member]
Loans	102,000	35,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member]
Loans	0	0
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	14,756,000	6,341,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	2,612,000	1,992,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member]
Loans	0	301,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member]
Loans	82,000	85,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member]
Loans	482,000	349,000
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member]
Loans	$ 158,000	$ 355,000

Note 3 - Loans and Allowance 44

Note 3 - Loans and Allowance for Loan Losses - Retail Credit Exposure (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Loans	$ 2,551,204,000	$ 2,558,552,000
Retail Portfolio Segment [Member]
Loans	358,175,000	354,984,000
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	93,179,000	100,425,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	264,996,000	254,559,000
Originated Loan [Member]
Loans	2,191,851,000	2,169,957,000
Originated Loan [Member] | Retail Portfolio Segment [Member]
Loans	244,885,000	235,729,000
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	65,604,000	69,675,000
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	179,281,000	166,054,000
Acquired Loan [Member]
Loans	359,353,000	388,595,000
Acquired Loan [Member] | Retail Portfolio Segment [Member]
Loans	113,290,000	119,255,000
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Loans	27,575,000	30,750,000
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	$ 85,715,000	$ 88,505,000

Note 3 - Loans and Allowance 45

Note 3 - Loans and Allowance for Loan Losses - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Provision for loan losses	$ 0	$ 600,000
Loans and Leases Receivable, Net of Deferred Income, Total	2,551,204,000		$ 2,558,552,000
Originated Loan [Member]
Beginning balance	19,133,000	17,868,000	17,868,000
Provision for loan losses	(782,000)		2,641,000
Charge-offs	(393,000)		(3,183,000)
Recoveries	1,123,000		1,807,000
Ending balance	19,081,000		19,133,000
Ending balance: individually evaluated for impairment	863,000		1,867,000
Ending balance: collectively evaluated for impairment	18,218,000		17,266,000
Loans and Leases Receivable, Net of Deferred Income, Total	2,191,851,000		2,169,957,000
Ending balance: individually evaluated for impairment	9,420,000		8,787,000
Ending balance: collectively evaluated for impairment	2,182,431,000		2,161,170,000
Acquired Loan [Member]
Beginning balance	368,000	93,000	93,000
Provision for loan losses	782,000		309,000
Charge-offs	(261,000)		(52,000)
Recoveries	4,000		18,000
Ending balance	893,000		368,000
Loans and Leases Receivable, Net of Deferred Income, Total	359,353,000		388,595,000
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income, Total	2,193,029,000		2,203,568,000
Commercial Portfolio Segment [Member] | Originated Loan [Member]
Beginning balance	16,456,000	16,026,000	16,026,000
Provision for loan losses	(341,000)		1,148,000
Charge-offs	(258,000)		(2,292,000)
Recoveries	1,008,000		1,574,000
Ending balance	16,865,000		16,456,000
Ending balance: individually evaluated for impairment	547,000		1,202,000
Ending balance: collectively evaluated for impairment	16,318,000		15,254,000
Loans and Leases Receivable, Net of Deferred Income, Total	1,946,966,000		1,934,228,000
Ending balance: individually evaluated for impairment	7,398,000		6,394,000
Ending balance: collectively evaluated for impairment	1,939,568,000		1,927,834,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Beginning balance	291,000	75,000	75,000
Provision for loan losses	314,000		210,000
Charge-offs	(246,000)		(12,000)
Recoveries	0		18,000
Ending balance	359,000		291,000
Loans and Leases Receivable, Net of Deferred Income, Total	246,063,000		269,340,000
Retail Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income, Total	358,175,000		354,984,000
Retail Portfolio Segment [Member] | Originated Loan [Member]
Beginning balance	2,584,000	1,882,000	1,882,000
Provision for loan losses	(563,000)		1,360,000
Charge-offs	(135,000)		(891,000)
Recoveries	115,000		233,000
Ending balance	2,001,000		2,584,000
Ending balance: individually evaluated for impairment	316,000		665,000
Ending balance: collectively evaluated for impairment	1,685,000		1,919,000
Loans and Leases Receivable, Net of Deferred Income, Total	244,885,000		235,729,000
Ending balance: individually evaluated for impairment	2,022,000		2,393,000
Ending balance: collectively evaluated for impairment	242,863,000		233,336,000
Retail Portfolio Segment [Member] | Acquired Loan [Member]
Beginning balance	77,000	18,000	18,000
Provision for loan losses	468,000		99,000
Charge-offs	(15,000)		(40,000)
Recoveries	4,000		0
Ending balance	534,000		77,000
Loans and Leases Receivable, Net of Deferred Income, Total	113,290,000		119,255,000
Unallocated Financing Receivables [Member] | Originated Loan [Member]
Beginning balance	93,000	(40,000)	(40,000)
Provision for loan losses	122,000		133,000
Charge-offs	0		0
Recoveries	0		0
Ending balance	215,000		93,000
Ending balance: individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	215,000		93,000
Loans and Leases Receivable, Net of Deferred Income, Total
Ending balance: individually evaluated for impairment
Ending balance: collectively evaluated for impairment
Unallocated Financing Receivables [Member] | Acquired Loan [Member]
Beginning balance	0	$ 0	0
Provision for loan losses	0		0
Charge-offs	0		0
Recoveries	0		0
Ending balance	$ 0		$ 0

Note 3 - Loans and Allowance 46

Note 3 - Loans and Allowance for Loan Losses - Loans Modified as Troubled Debt Restructurings (Details)	3 Months Ended
	Mar. 31, 2018USD ($)	Mar. 31, 2017USD ($)
Originated Loan [Member]
Number of Contracts	8	4
Pre- Modification Recorded Principal Balance	$ 4,022,000	$ 328,000
Post- Modification Recorded Principal Balance	$ 4,000,000	$ 329,000
Acquired Loan [Member]
Number of Contracts	9	4
Pre- Modification Recorded Principal Balance	$ 1,715,000	$ 94,000
Post- Modification Recorded Principal Balance	$ 1,716,000	$ 95,000
Commercial Portfolio Segment [Member] | Originated Loan [Member]
Number of Contracts	7	0
Pre- Modification Recorded Principal Balance	$ 3,972,000	$ 0
Post- Modification Recorded Principal Balance	$ 3,950,000	$ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Number of Contracts	3	0
Pre- Modification Recorded Principal Balance	$ 107,000	$ 0
Post- Modification Recorded Principal Balance	$ 96,000	$ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	4	0
Pre- Modification Recorded Principal Balance	$ 3,865,000	$ 0
Post- Modification Recorded Principal Balance	$ 3,854,000	$ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member]
Number of Contracts	3	1
Pre- Modification Recorded Principal Balance	$ 1,597,000	$ 31,000
Post- Modification Recorded Principal Balance	$ 1,597,000	$ 31,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Number of Contracts	0	1
Pre- Modification Recorded Principal Balance	$ 0	$ 31,000
Post- Modification Recorded Principal Balance	$ 0	$ 31,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	3	0
Pre- Modification Recorded Principal Balance	$ 1,597,000	$ 0
Post- Modification Recorded Principal Balance	$ 1,597,000	$ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Retail Portfolio Segment [Member] | Originated Loan [Member]
Number of Contracts	1	4
Pre- Modification Recorded Principal Balance	$ 50,000	$ 328,000
Post- Modification Recorded Principal Balance	$ 50,000	$ 329,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Number of Contracts	1	4
Pre- Modification Recorded Principal Balance	$ 50,000	$ 328,000
Post- Modification Recorded Principal Balance	$ 50,000	$ 329,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Number of Contracts	0	0
Pre- Modification Recorded Principal Balance	$ 0	$ 0
Post- Modification Recorded Principal Balance	$ 0	$ 0
Retail Portfolio Segment [Member] | Acquired Loan [Member]
Number of Contracts	6	3
Pre- Modification Recorded Principal Balance	$ 118,000	$ 63,000
Post- Modification Recorded Principal Balance	$ 119,000	$ 64,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Number of Contracts	6	2
Pre- Modification Recorded Principal Balance	$ 118,000	$ 6,000
Post- Modification Recorded Principal Balance	$ 119,000	$ 7,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Number of Contracts	0	1
Pre- Modification Recorded Principal Balance	$ 0	$ 57,000
Post- Modification Recorded Principal Balance	$ 0	$ 57,000

Note 3 - Loans and Allowance 47

Note 3 - Loans and Allowance for Loan Losses - Loans Modified As Troubled Debt Restructurings Within the Previous Twelve Months That Became Over 30 Days Past Due (Details)	3 Months Ended
	Mar. 31, 2018USD ($)	Mar. 31, 2017USD ($)
Originated Loan [Member]
Number of Contracts	1	3
Recorded Principal Balance	$ 251,000	$ 164,000
Originated Loan [Member] | Commercial Portfolio Segment [Member]
Number of Contracts	1	3
Recorded Principal Balance	$ 251,000	$ 164,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Number of Contracts	0	2
Recorded Principal Balance	$ 0	$ 34,000
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	1	0
Recorded Principal Balance	$ 251,000	$ 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Originated Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0	1
Recorded Principal Balance	$ 0	$ 130,000
Originated Loan [Member] | Retail Portfolio Segment [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Originated Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Originated Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Acquired Loan [Member]
Number of Contracts	3	1
Recorded Principal Balance	$ 133,000	$ 24,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member]
Number of Contracts	1	1
Recorded Principal Balance	$ 113,000	$ 24,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Number of Contracts	1	1
Recorded Principal Balance	$ 113,000	$ 24,000
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Acquired Loan [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0
Acquired Loan [Member] | Retail Portfolio Segment [Member]
Number of Contracts	2	0
Recorded Principal Balance	$ 20,000	$ 0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Number of Contracts	2	0
Recorded Principal Balance	$ 20,000	$ 0
Acquired Loan [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Number of Contracts	0	0
Recorded Principal Balance	$ 0	$ 0

Note 3 - Loans and Allowance 48

Note 3 - Loans and Allowance for Loan Losses - Activity for Troubled Debt Restructurings (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member]
Beginning Balance	$ 2,989,000	$ 1,503,000
Charge-Offs	(230,000)	0
Payments	(882,000)	(125,000)
Transfers to ORE	0	0
Net Additions/Deletions	105,000	159,000
Ending Balance	1,982,000	1,537,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Beginning Balance	383,000	1,488,000
Charge-Offs	0	0
Payments	(45,000)	(529,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Ending Balance	338,000	959,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member]
Beginning Balance	1,599,000	906,000
Charge-Offs	0	0
Payments	(855,000)	(27,000)
Transfers to ORE	0	0
Net Additions/Deletions	3,804,000	0
Ending Balance	4,548,000	879,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Beginning Balance	0	5,110,000
Charge-Offs	0	0
Payments	0	(123,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	(436,000)
Ending Balance	0	4,551,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Beginning Balance	0	716,000
Charge-Offs	0	0
Payments	0	(113,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	(312,000)
Ending Balance	0	291,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member]
Beginning Balance	1,001,000	1,125,000
Charge-Offs	(275,000)	0
Payments	(10,000)	(233,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	30,000
Ending Balance	716,000	922,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Beginning Balance	0	0
Charge-Offs	0	0
Payments	0	0
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Ending Balance	0	0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member]
Beginning Balance	427,000	900,000
Charge-Offs	0	(12,000)
Payments	(17,000)	0
Transfers to ORE	0	0
Net Additions/Deletions	1,597,000	108,000
Ending Balance	2,007,000	996,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member]
Beginning Balance	237,000	728,000
Charge-Offs	0	0
Payments	(5,000)	(145,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Ending Balance	232,000	583,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Beginning Balance	41,000	60,000
Charge-Offs	0	0
Payments	(5,000)	0
Transfers to ORE	0	0
Net Additions/Deletions	0	8,000
Ending Balance	36,000	68,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member]
Beginning Balance	1,127,000	385,000
Charge-Offs	0	0
Payments	(8,000)	0
Transfers to ORE	0	0
Net Additions/Deletions	50,000	321,000
Ending Balance	1,169,000	706,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member]
Beginning Balance	146,000	157,000
Charge-Offs	0	0
Payments	(2,000)	(3,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Ending Balance	144,000	154,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member]
Beginning Balance	219,000	208,000
Charge-Offs	(15,000)	0
Payments	(1,000)	(9,000)
Transfers to ORE	(82,000)	0
Net Additions/Deletions	119,000	7,000
Ending Balance	240,000	206,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member]
Beginning Balance	393,000	326,000
Charge-Offs	0	0
Payments	(9,000)	(4,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	54,000
Ending Balance	$ 384,000	$ 376,000

Note 3 - Loans and Allowance 49

Note 3 - Loans and Allowance for Loan Losses - Allowance Related to Troubled Debt Restructurings (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Related allowance	$ 696,000	$ 444,000
Commercial Portfolio Segment [Member]
Related allowance	460,000	248,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Related allowance	85,000	107,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Related allowance	0	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Related allowance	375,000	141,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Related allowance	0	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Related allowance	0	0
Retail Portfolio Segment [Member]
Related allowance	236,000	196,000
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Related allowance	215,000	196,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Related allowance	$ 21,000	$ 0

Note 4 - Premises and Equipme50

Note 4 - Premises and Equipment, Net (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Depreciation, Total	$ 0.8	$ 0.7

Note 4 - Premises and Equipme51

Note 4 - Premises and Equipment, Net - Summary of Premises and Equipment (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Property, plant and equipment, gross	$ 77,547,000	$ 76,623,000
Less: accumulated depreciation	31,247,000	30,589,000
Premises and equipment, net	46,300,000	46,034,000
Land and Land Improvements [Member]
Property, plant and equipment, gross	17,938,000	18,046,000
Building [Member]
Property, plant and equipment, gross	41,751,000	41,179,000
Furniture and Fixtures [Member]
Property, plant and equipment, gross	$ 17,858,000	$ 17,398,000

Note 5 - Deposits (Details Text

Note 5 - Deposits (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Deposits, Total	$ 2,540,053,000	$ 2,522,365,000
Increase (Decrease) in Deposits, Total	$ 17,700,000
Aggregate Increase (Decrease) in Percentage of Deposits	0.70%
Time Deposits, at or Above FDIC Insurance Limit	$ 252,000,000	$ 266,000,000

Note 5 - Deposits - Summary of

Note 5 - Deposits - Summary of Deposits (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Noninterest-bearing demand	$ 830,187,000	$ 866,380,000
Noninterest-bearing demand	32.70%	34.30%
Noninterest-bearing demand	(4.20%)
Interest-bearing checking	$ 392,134,000	$ 387,758,000
Interest-bearing checking	15.40%	15.40%
Interest-bearing checking	1.10%
Money market	$ 486,318,000	$ 427,119,000
Money market	19.10%	16.90%
Money market	13.90%
Savings	$ 326,247,000	$ 327,530,000
Savings	12.90%	13.00%
Savings	(0.40%)
Local Time, under $100,000	$ 156,053,000	$ 152,294,000
Local Time, under $100,000	6.20%	6.00%
Local Time, under $100,000	2.50%
Local Time, $100,000 and over	$ 246,703,000	$ 258,626,000
Local Time, $100,000 and over	9.70%	10.30%
Local Time, $100,000 and over	(4.60%)
Total local deposits	$ 2,437,642,000	$ 2,419,707,000
Total local deposits	96.00%	95.90%
Total local deposits	0.70%
Out-of-area time, under $100,000	$ 0	$ 0
Out-of-area time, $100,000 and over	$ 102,411,000	$ 102,658,000
Out-of-area time, $100,000 and over	4.00%	4.10%
Out-of-area time, $100,000 and over	(0.20%)
Total out-of-area deposits	$ 102,411,000	$ 102,658,000
Total out-of-area deposits	4.00%	4.10%
Total out-of-area deposits	(0.20%)
Deposits, Total	$ 2,540,053,000	$ 2,522,365,000
Total deposits	100.00%	100.00%
Aggregate Increase (Decrease) in Percentage of Deposits	0.70%

Note 6 - Securities Sold Unde54

Note 6 - Securities Sold Under Agreements to Repurchase (Details Textual)	3 Months Ended
	Mar. 31, 2018
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements	1 year

Note 6 - Securities Sold Unde55

Note 6 - Securities Sold Under Agreements to Repurchase - Securities Sold Under Agreement to Repurchase (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Securities sold under agreements to repurchase	$ 104,894,000	$ 118,748,000
Average interest rate at end of period	0.25%	0.16%
Average daily balance during the period	$ 108,048,000	$ 116,587,000
Average interest rate during the period	0.22%	0.16%
Maximum daily balance during the period	$ 123,046,000	$ 142,459,000

Note 7 - Federal Home Loan Ba56

Note 7 - Federal Home Loan Bank of Indianapolis Advances (Details Textual) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Long-term Federal Home Loan Bank Advances, Total	$ 220,000,000	$ 220,000,000
Line of Credit Facility, Maximum Borrowing Capacity	739,000,000
Line of Credit Facility, Remaining Borrowing Capacity	519,000,000
Federal Home Loan Bank of Indianapolis [Member]
Long-term Federal Home Loan Bank Advances, Total	$ 220,000,000	$ 220,000,000
Federal Home Loan Bank of Indianapolis [Member] | Minimum [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	1.04%	1.04%
Federal Home Loan Bank of Indianapolis [Member] | Maximum [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	2.39%	2.39%
Federal Home Loan Bank of Indianapolis [Member] | Weighted Average [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	1.72%	1.72%

Note 7 - Federal Home Loan Ba57

Note 7 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLB Advances (Details)	Mar. 31, 2018USD ($)
2,018	$ 20,000,000
2,019	40,000,000
2,020	30,000,000
2,021	40,000,000
2,022	40,000,000
Thereafter	$ 50,000,000

Note 8 - Commitments and Off-58

Note 8 - Commitments and Off-Balance Sheet Risk (Details Textual) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Reserve or Liability Balance for Financial Instruments With Off Balance Sheet Risk	$ 0	$ 0

Note 8 - Commitments and Off-59

Note 8 - Commitments and Off-Balance Sheet Risk - Exposure to Credit Losses (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Contractual amounts of financial instruments with off-balance sheet risk	$ 1,062,272,000	$ 1,012,197,000
Standby Letters of Credit [Member]
Contractual amounts of financial instruments with off-balance sheet risk	23,592,000	26,030,000
Unused lines of Credit [Member] | Commercial Portfolio Segment [Member]
Contractual amounts of financial instruments with off-balance sheet risk	678,832,000	682,202,000
Unused lines of Credit [Member] | One to Four Family Mortgages [Member]
Contractual amounts of financial instruments with off-balance sheet risk	60,930,000	61,606,000
Unused lines of Credit [Member] | Consumer Portfolio Segment [Member]
Contractual amounts of financial instruments with off-balance sheet risk	42,693,000	39,807,000
Unused lines of Credit [Member] | Consumer Other Financing Receivable 1 [Member]
Contractual amounts of financial instruments with off-balance sheet risk	17,788,000	17,629,000
Loan Origination Commitments [Member]
Contractual amounts of financial instruments with off-balance sheet risk	$ 238,437,000	$ 184,923,000

Note 9 - Hedging Activities (De

Note 9 - Hedging Activities (Details Textual) - USD ($)	1 Months Ended
	Jan. 26, 2016	Feb. 29, 2012	Mar. 31, 2018	Dec. 31, 2017	Jan. 31, 2016	Jan. 25, 2016
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Total		$ 32,000,000	$ 45,688,000	$ 45,517,000
Fair Value of Interest Rate Swap Agreement Liability				$ 100,000
Interest Expense, Debt, Total	$ 200,000
Junior Subordinated Debt [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		2.18%
Derivative, Notional Amount	21,000,000	$ 32,000,000				$ 32,000,000
Debt Instrument, Repurchased Face Amount	$ 11,000,000
Debt Instrument, Repurchase Amount					$ 11,000,000

Note 10 - Fair Values of Fina61

Note 10 - Fair Values of Financial Instruments - Fair Value Hierarchy of Financial Instruments (Details) - USD ($)		Mar. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale, Total		$ 336,988,000	$ 335,744,000
Reported Value Measurement [Member]
Debt Securities, Available-for-sale, Total	[1]	336,988,000	335,744,000
FHLBI stock	[2]	11,036,000	11,036,000
Repurchase agreements		104,894,000	118,748,000
FHLBI advances		220,000,000	220,000,000
Reported Value Measurement [Member] | Interest Rate Swap [Member]
Interest rate swap	[1]	0	2,000
Estimate of Fair Value Measurement [Member]
Debt Securities, Available-for-sale, Total	[1]	336,988,000	335,744,000
FHLBI stock	[2]	11,036,000	11,036,000
Repurchase agreements		104,894,000	118,748,000
FHLBI advances		214,172,000	217,130,000
Estimate of Fair Value Measurement [Member] | Interest Rate Swap [Member]
Interest rate swap	[1]	0	2,000
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
Cash		11,148,000	11,565,000
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Cash		11,148,000	11,565,000
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
Cash equivalents		200,009,000	188,536,000
Loans held for sale		1,864,000	2,553,000
Mortgage servicing rights		4,899,000	5,106,000
Accrued interest receivable		9,590,000	8,770,000
Deposits		2,540,053,000	2,522,365,000
Subordinated debentures		45,688,000	45,517,000
Accrued interest payable		2,172,000	1,919,000
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Cash equivalents		200,009,000	188,536,000
Loans held for sale		1,864,000	2,553,000
Mortgage servicing rights		8,223,000	8,373,000
Accrued interest receivable		9,590,000	8,770,000
Deposits		2,361,212,000	2,368,188,000
Subordinated debentures		46,280,000	45,732,000
Accrued interest payable		2,172,000	1,919,000
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member]
Loans, net		2,529,366,000	2,536,498,000
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Loans, net		$ 2,528,622,000	$ 2,520,063,000
[1]	See Note 11 for a description of the fair value hierarchy as well as a disclosure of levels for classes of financial assets and liabilities.
[2]	It is not practical to determine the fair value of FHLBI stock due to transferability restrictions.

Note 11 - Fair Values (Details

Note 11 - Fair Values (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Mortgage	$ 1,900	$ 2,600
Real Estate Dependent Loans and Foreclosed Assets Estimated Selling Costs [Member]
Fair Value Inputs, Discount Factor	10.00%
Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member] | Minimum [Member]
Fair Value Inputs, Discount Factor	15.00%
Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member] | Maximum [Member]
Fair Value Inputs, Discount Factor	25.00%
Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member] | Minimum [Member]
Fair Value Inputs, Discount Factor	25.00%
Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member] | Maximum [Member]
Fair Value Inputs, Discount Factor	50.00%
Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	$ 0
Available-for-sale Securities [Member]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	$ 0	$ 0

Note 11 - Fair Values - Assets

Note 11 - Fair Values - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	$ 0
Fair Value, Measurements, Recurring [Member]
Total	336,988,000	$ 335,742,000
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Interest rate swap		(2,000)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Total	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
Interest rate swap		0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Total	331,797,000	330,551,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Interest rate swap		(2,000)
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Total	5,191,000	5,191,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]
Interest rate swap		0
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale Securities, Total	173,169,000	169,700,000
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Total	173,169,000	169,700,000
Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale Securities, Total	40,351,000	38,792,000
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Total	40,351,000	38,792,000
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Municipal General Obligation Bonds [Member]
Available-for-sale Securities, Total	117,660,000	121,293,000
Fair Value, Measurements, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Total	112,469,000	116,102,000
Fair Value, Measurements, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Total	5,191,000	5,191,000
Fair Value, Measurements, Recurring [Member] | Municipal Revenue Bonds [Member]
Available-for-sale Securities, Total	3,843,000	3,978,000
Fair Value, Measurements, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Total	3,843,000	3,978,000
Fair Value, Measurements, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Other Debt and Equity Securities [Member]
Available-for-sale Securities, Total	1,965,000	1,981,000
Fair Value, Measurements, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Total	0	0
Fair Value, Measurements, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Total	1,965,000	1,981,000
Fair Value, Measurements, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Total	$ 0	$ 0

Note 11 - Fair Values - Asset64

Note 11 - Fair Values - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Impaired loans	$ 4,498,000	$ 5,836,000
Foreclosed assets	2,384,000	2,260,000
Total	6,882,000	8,096,000
Fair Value, Inputs, Level 1 [Member]
Impaired loans	0	0
Foreclosed assets	0	0
Total	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans	0	0
Foreclosed assets	0	0
Total	0	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans	4,498,000	5,836,000
Foreclosed assets	2,384,000	2,260,000
Total	$ 6,882,000	$ 8,096,000

Note 12 - Regulatory Matters (D

Note 12 - Regulatory Matters (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Apr. 12, 2018	Jan. 11, 2018	Mar. 31, 2018	Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2017	Apr. 19, 2016	Jan. 30, 2015	Dec. 31, 2009
Preferred Securities of Subsidiary Trust			$ 43.6	$ 43.6		$ 43.4
Maximum Restricted Core Element Allowed in Tier One Capital Percent			25.00%
Maximum Level of Consolidated Aggregate Assets Allowing for Inclusion of Trust Preferred Securities in Tier One Capital									$ 15,000
Trust Preferred Securities Included in Tier One Capital			$ 43.6	$ 43.6		$ 43.4
Capital Conservation Buffer			2.50%	2.50%
Common Stock, Dividends, Per Share, Declared		$ 0.22
Stock Repurchase Program, Authorized Amount								$ 20
Stock Repurchase Program Additional Authorized Amount							$ 15
Stock Repurchased During Period, Shares			0	956,419
Stock Repurchased During Period, Value				$ 19.5
Treasury Stock Acquired, Average Cost Per Share				$ 20.38
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.22
Scenario, Forecast [Member]
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy to Risk Weighted Assets					7.00%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets					8.50%
Capital Required for Capital Adequacy to Risk Weighted Assets					10.50%

Note 12 - Regulatory Matters -

Note 12 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Consolidated Entities [Member]
Total capital, amount	$ 387,520	$ 379,417
Total capital, ratio	13.20%	12.90%
Total capital minimum required for capital adequacy, amount	$ 234,830	$ 235,723
Total capital minimum required for capital adequacy, ratio	8.00%	8.00%
Tier 1 capital, amount	$ 367,546	$ 359,915
Tier 1 capital, ratio	12.50%	12.20%
Tier 1 capital minimum required for capital adequacy, amount	$ 176,123	$ 176,792
Tier 1 capital minimum required for capital adequacy, ratio	6.00%	6.00%
Common equity tier 1, amount	$ 323,932	$ 316,472
Common equity tier 1, ratio	11.00%	10.70%
Common equity tier 1 minimum required for capital adequacy, amount	$ 132,092	$ 132,594
Common equity tier 1 capital minimum required for capital adequacy, ratio	4.50%	4.50%
Tier 1 capital to average assets, amount	$ 367,546	$ 359,915
Tier 1 capital to average assets, ratio	11.50%	11.30%
Tier 1 capital to average assets, minimum required for capital adequacy, amount	$ 127,794	$ 127,782
Tier 1 capital to average assets minimum required for capital adequacy, ratio	4.00%	4.00%
Bank [Member]
Total capital, amount	$ 379,370	$ 371,346
Total capital, ratio	12.90%	12.60%
Total capital minimum required for capital adequacy, amount	$ 234,646	$ 235,515
Total capital minimum required for capital adequacy, ratio	8.00%	8.00%
Total capital to be well capitalized, amount	$ 293,307	$ 294,393
Total capital to be well capitalized, ratio	10.00%	10.00%
Tier 1 capital, amount	$ 359,396	$ 351,844
Tier 1 capital, ratio	12.30%	12.00%
Tier 1 capital minimum required for capital adequacy, amount	$ 175,984	$ 176,636
Tier 1 capital minimum required for capital adequacy, ratio	6.00%	6.00%
Tier 1 capital to be well capitalized, amount	$ 234,646	$ 235,515
Tier 1 capital to be well capitalized, ratio	8.00%	8.00%
Common equity tier 1, amount	$ 359,396	$ 351,844
Common equity tier 1, ratio	12.30%	12.00%
Common equity tier 1 minimum required for capital adequacy, amount	$ 131,988	$ 132,477
Common equity tier 1 capital minimum required for capital adequacy, ratio	4.50%	4.50%
Common equity tier 1 capital to be well capitalized, amount	$ 190,650	$ 191,356
Common equity tier 1 capital to be well capitalized, ratio	6.50%	6.50%
Tier 1 capital to average assets, amount	$ 359,396	$ 351,844
Tier 1 capital to average assets, ratio	11.30%	11.00%
Tier 1 capital to average assets, minimum required for capital adequacy, amount	$ 127,712	$ 127,698
Tier 1 capital to average assets minimum required for capital adequacy, ratio	4.00%	4.00%
Tier 1 capital to average assets to be well capitalized, amount	$ 159,640	$ 159,623
Tier 1 capital to average assets to be well capitalized, ratio	5.00%	5.00%