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AFS Securities (Tables)

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Amortized cost and fair value of available-for-sale securities

The amortized cost and fair value of AFS securities, with gross unrealized gains and losses, are as follows at:

			June 30, 2021
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
U.S. Treasury			$	132,291					$	310					$	8					$	132,593
States and political subdivisions			126,002						4,971						13						130,960
Auction rate money market preferred			3,200						60						—						3,260
Mortgage-backed securities			66,091						2,064						—						68,155
Collateralized mortgage obligations			105,965						3,332						3						109,294
Corporate			4,200						17						25						4,192
Total			$	437,749					$	10,754					$	49					$	448,454

			December 31, 2020
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
States and political subdivisions			$	137,710					$	5,946					$	—					$	143,656
Auction rate money market preferred			3,200						37						—						3,237
Mortgage-backed securities			85,926						2,726						—						88,652
Collateralized mortgage obligations			97,430						4,553						—						101,983
Corporate			1,700						—						—						1,700
Total			$	325,966					$	13,262					$	—					$	339,228

Amortized cost and fair value of available-for-sale securities by contractual maturity

The amortized cost and fair value of AFS securities by contractual maturity at June 30, 2021 are as follows:

			Maturing																								Securities with Variable Monthly Payments or Noncontractual Maturities
			Due in One Year or Less						After One Year But Within Five Years						After Five Years But Within Ten Years						After Ten Years												Total
U.S. Treasury			$	—					$	91,414					$	40,877					$	—					$	—					$	132,291
States and political subdivisions			21,977						56,225						22,662						25,138						—						126,002
Auction rate money market preferred			—						—						—						—						3,200						3,200
Mortgage-backed securities			—						—						—						—						66,091						66,091
Collateralized mortgage obligations			—						—						—						—						105,965						105,965
Corporate			—						—						4,200						—						—						4,200
Total amortized cost			$	21,977					$	147,639					$	67,739					$	25,138					$	175,256					$	437,749
Fair value			$	22,121					$	149,934					$	68,968					$	26,722					$	180,709					$	448,454

Schedule of Realized Gain (Loss) [Table Text Block]

A summary of the sales activity of AFS securities was as follows for the:

			Three Months Ended June 30												Six Months Ended June 30
			2021						2020						2021						2020
Proceeds from sales of AFS securities			$	—					$	—					$	—					$	26,855
Realized gains (losses)			$	—					$	—					$	—					$	71
Applicable income tax expense (benefit)			$	—					$	—					$	—					$	15

Available-for-sale securities with gross unrealized losses

The following information pertains to AFS securities with gross unrealized losses at June 30, 2021, aggregated by investment category and length of time that individual securities have been in a continuous loss position. There were no AFS securities with gross unrealized losses in a continuous loss position at December 31, 2020.

			June 30, 2021
			Less Than Twelve Months												Twelve Months or More
			Gross Unrealized Losses						Fair Value						Gross Unrealized Losses						Fair Value						Total Unrealized Losses
U.S. Treasury			$	8					$	19,584					$	—					$	—					$	8
States and political subdivisions			13						5,322						—						—						13
Collateralized mortgage obligations			3						9,717						—						—						3
Corporate			25						2,475																		25
Total			$	49					$	37,098					$	—					$	—					$	49
Number of securities in an unrealized loss position:									13												—						13

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Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities.

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- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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- Definition

Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563

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