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Investment securities (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of amortized cost and fair value of investment securities aggregated by investment category

					Gross			Gross
		Amortized			Unrealized			Unrealized			Fair
December 31, 2019		Cost			Gains			Losses			Value
Available-for-sale:
U.S. Treasury securities		$	23,966		$	162					$	24,128
U.S. government-sponsored enterprises			87,156			181		$	227			87,110
State and municipals:
Taxable			35,418			295			815			34,898
Tax-exempt			59,127			1,056			20			60,163
Residential mortgage-backed securities:
U.S. government agencies			8,368			112			10			8,470
U.S. government-sponsored enterprises			101,914			1,011			77			102,848
Commercial mortgage-backed securities:
U.S. government-sponsored enterprises			12,694			171			4			12,861
Total		$	328,643		$	2,988		$	1,153		$	330,478
Held-to-maturity:
Tax-exempt state and municipals		$	6,852		$	208					$	7,060
Residential mortgage-backed securities:
U.S. government agencies			31									31
U.S. government-sponsored enterprises			773			25		$				798
Total		$	7,656		$	233		$			$	7,889

					Gross			Gross
		Amortized			Unrealized			Unrealized			Fair
December 31, 2018		Cost			Gains			Losses			Value
Available-for-sale:
U.S. Treasury securities		$	25,948			9		$	365		$	25,592
U.S. government-sponsored enterprises			94,999		$	2			2,183			92,818
State and municipals:
Taxable			13,544			309						13,853
Tax-exempt			86,361			338			745			85,954
Residential mortgage-backed securities:
U.S. government agencies			12,663			50			84			12,629
U.S. government-sponsored enterprises			33,149			49			401			32,797
Commercial mortgage-backed securities:
U.S. government-sponsored enterprises			6,269						230			6,039
Total		$	272,933		$	757		$	4,008		$	269,682
Held-to-maturity:
Tax-exempt state and municipals		$	6,855		$	12		$	43		$	6,824
Residential mortgage-backed securities:
U.S. government agencies			42									42
U.S. government-sponsored enterprises			1,464			55			5			1,514
Total		$	8,361		$	67		$	48		$	8,380

Schedule of fair value and unrealized losses of investment securities in continuous unrealized loss position

		Less Than 12 Months						12 Months or More						Total
		Fair			Unrealized			Fair			Unrealized			Fair			Unrealized
December 31, 2019		Value			Losses			Value			Losses			Value			Losses
U.S. government-sponsored enterprises		$	13,695		$	149		$	36,070		$	78		$	49,765		$	227
State and municipals:
Taxable			23,929			815									23,929			815
Tax-exempt			2,684			19			1,098			1			3,782			20
Residential mortgage-backed securities:
U.S. government agencies			992			1			2,362			9			3,354			10
U.S. government-sponsored enterprises			36,939			51			3,751			30			40,690			81
Total		$	78,239		$	1,035		$	43,281		$	118		$	121,520		$	1,153

		Less Than 12 Months						12 Months or More						Total
		Fair			Unrealized			Fair			Unrealized			Fair			Unrealized
December 31, 2018		Value			Losses			Value			Losses			Value			Losses
U.S. Treasury securities		$	1,995		$	2		$	19,671		$	363		$	21,666		$	365
U.S. government-sponsored enterprises			2,037			1			89,729			2,182			91,766			2,183
State and municipals:
Tax-exempt			9,022			74			52,352			714			61,374			788
Residential mortgage-backed securities:
U.S. government agencies									7,800			84			7,800			84
U.S. government-sponsored enterprises			12,851			55			13,881			351			26,732			406
Commercial mortgage-backed securities:
U.S. government-sponsored enterprises									6,039			230			6,039			230
Total		$	25,905		$	132		$	189,472		$	3,924		$	215,377		$	4,056

Summary of unrealized and realized gains and losses

Year Ended December 31,			2019			2018
Net gains recognized during the period on equity securities		$	132		$	14
Less: Net gains recognized during the period on equity securities sold during the period
Unrealized gains recognized during the reporting period on equity securities still held at the reporting date		$	132		$	14

Available-for-Sale Securities.

Schedule of maturity distribution of fair value

		Fair
December 31, 2019		Value
Within one year		$	41,486
After one but within five years			108,231
After five but within ten years			19,951
After ten years			33,297
			202,965
Mortgage-backed and other amortizing securities			127,513
Total		$	330,478

Held-to-maturity Securities.

Schedule of maturity distribution of fair value

		Amortized			Fair
December 31, 2019		Cost			Value
Within one year
After one but within five years
After five but within ten years
After ten years		$	6,852		$	7,060
			6,852			7,060
Mortgage-backed securities			804			829
Total		$	7,656		$	7,889

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563

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