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Note 2 - Securities

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

NOTE 2 – SECURITIES

The amortized cost and fair value of available for sale securities and the related gross unrealized gains and losses recognized in accumulated other comprehensive income (loss) were as follows:

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
2021
U.S. Government agency debt obligations		$	398,874,000			$	266,000			$	(8,769,000	)		$	390,371,000
Mortgage-backed securities			41,906,000				549,000				(652,000	)			41,803,000
Municipal general obligation bonds			133,894,000				4,092,000				(392,000	)			137,594,000
Municipal revenue bonds			22,289,000				331,000				(145,000	)			22,475,000
Other investments			500,000				0				0				500,000
		$	597,463,000			$	5,238,000			$	(9,958,000	)		$	592,743,000
2020
U.S. Government agency debt obligations		$	242,522,000			$	516,000			$	(897,000	)		$	242,141,000
Mortgage-backed securities			23,869,000				1,021,000				0				24,890,000
Municipal general obligation bonds			101,991,000				5,833,000				0				107,824,000
Municipal revenue bonds			11,521,000				473,000				(2,000	)			11,992,000
Other investments			500,000				0				0				500,000
		$	380,403,000			$	7,843,000			$	(899,000	)		$	387,347,000

Securities with unrealized losses at year-end 2021 and 2020, aggregated by investment category and length of time that individual securities have been in a continuous loss position, are as follows:

		Less than 12 Months								12 Months or More								Total
Description of Securities		Fair Value				Unrealized Loss				Fair Value				Unrealized Loss				Fair Value				Unrealized Loss
2021
U.S. Government agency debt obligations		$	274,287,000			$	5,274,000			$	110,053,000			$	3,495,000			$	384,340,000			$	8,769,000
Mortgage-backed securities			23,184,000				652,000				24,000				0				23,208,000				652,000
Municipal general obligation bonds			40,748,000				392,000				0				0				40,748,000				392,000
Municipal revenue bonds			12,843,000				137,000				414,000				8,000				13,257,000				145,000
Other investments			0				0				0				0				0				0
		$	351,062,000			$	6,455,000			$	110,491,000			$	3,503,000			$	461,553,000			$	9,958,000
2020
U.S. Government agency debt obligations		$	118,650,000			$	897,000			$	0			$	0			$	118,650,000			$	897,000
Mortgage-backed securities			0				0				0				0				0				0
Municipal general obligation bonds			0				0				0				0				0				0
Municipal revenue bonds			423,000				2,000				0				0				423,000				2,000
Other investments			0				0				0				0				0				0
		$	119,073,000			$	899,000			$	0			$	0			$	119,073,000			$	899,000

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 that we will be required to sell the security before recovery and if we do not expect to recover the entire amortized cost basis of the security. In analyzing an issuer’s financial condition, we may consider whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred and the results of reviews of the issuer’s financial condition.

At December 31, 2021, 333 debt securities with fair values totaling $462 million had unrealized losses aggregating $10.0 million. After we considered whether the securities were issued by the federal government or its agencies and whether downgrades by bond rating agencies had occurred, we determined that unrealized losses were due to changing interest rate environments. As we do not intend to sell our debt securities before recovery of their cost basis and we believe it is more likely than not that we will not be required to sell our debt securities before recovery of the cost basis, no unrealized losses are deemed to be other-than-temporary.

The amortized cost and fair values of debt securities at December 31, 2021, by maturity, are shown in the following table. The contractual maturity is utilized for U.S. Government agency debt obligations and municipal bonds. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date, primarily mortgage-backed securities, are shown separately. Weighted average yields are also reflected, with yields for municipal securities shown at their tax equivalent yield.

		Weighted Average Yield				Amortized Cost				Fair Value
Due in one year or less			1.92	%		$	11,406,000			$	11,458,000
Due from one to five years			0.96				185,889,000				184,788,000
Due from five to ten years			1.56				288,599,000				285,609,000
Due after ten years			1.99				69,163,000				68,585,000
Mortgage-backed securities			1.85				41,906,000				41,803,000
Other investments			3.75				500,000				500,000
			1.45	%		$	597,463,000			$	592,743,000

No securities were sold during the last three years.

Securities issued by the State of Michigan and all its political subdivisions had a combined amortized cost of $155 million and $109 million at December 31, 2021 and December 31, 2020, respectively, with estimated market values of $158 million and $116 million at the respective dates. Securities issued by all other states and their political subdivisions had a combined amortized cost of $1.7 million and $4.1 million at December 31, 2021 and December 31, 2020, respectively, with estimated market values of $1.7 million and $4.2 million, respectively. Total securities of any other specific issuer, other than the U.S. Government and its agencies and the State of Michigan and all its political subdivisions, did not exceed 10% of shareholders’ equity.

The carrying value of U.S. Government agency debt obligations and mortgage-backed securities that are pledged to secure repurchase agreements was $197 million and $118 million at December 31, 2021 and 2020, respectively. Investments in FHLBI stock are restricted and may only be resold to, or redeemed by, the issuer.