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Investment securities (Tables)

12 Months Ended

Dec. 31, 2018

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

					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

					Gross			Gross
		Amortized			Unrealized			Unrealized			Fair
December 31, 2017		Cost			Gains			Losses			Value
Available-for-sale:
U.S. Treasury securities		$	20,042					$	228		$	19,814
U.S. Government-sponsored enterprises			95,358		$	30			1,740			93,648
State and municipals:
Taxable			14,559			488						15,047
Tax-exempt			103,199			1,136			502			103,833
Residential Mortgage-backed securities:
U.S. Government agencies			14,517			2			85			14,434
U.S. Government-sponsored enterprises			19,752			10			231			19,531
Commercial Mortgage-backed securities:
U.S. Government-sponsored enterprises			6,315						120			6,195
Total		$	273,742		$	1,666		$	2,906		$	272,502
Held-to-maturity:
Tax-exempt state and municipals		$	6,859		$	152		$	13		$	6,998
Residential Mortgage-backed securities:
U.S. Government agencies			54									54
U.S. Government-sponsored enterprises			2,361			138			4			2,495
Total		$	9,274		$	290		$	17		$	9,547

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, 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

		Less Than 12 Months						12 Months or More						Total
		Fair			Unrealized			Fair			Unrealized			Fair			Unrealized
December 31, 2017		Value			Losses			Value			Losses			Value			Losses
U.S. Treasury securities		$	17,350		$	170		$	2,464		$	58		$	19,814		$	228
U.S. Government-sponsored enterprises			39,096			445			51,365			1,295			90,461			1,740
State and municipals:
Tax-exempt			54,788			454			3,808			61			58,596			515
Residential Mortgage-backed securities:
U.S. Government agencies			9,484			39			3,968			46			13,452			85
U.S. Government-sponsored enterprises			12,537			103			6,504			132			19,041			235
Commercial Mortgage-backed securities:
U.S. Government-sponsored enterprises			6,195			120									6,195			120
Total		$	139,450		$	1,331		$	68,109		$	1,592		$	207,559		$	2,923

Summary of unrealized and realized gains and losses

Year Ended December 31,			2018
Net gains recognized during the period on equity securities		$	14
Less: Net gains and (losses) 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		$	14

Available-for-Sale Securities.

Schedule of maturity distribution of fair value

December 31, 2018
Within one year		$	38,925
After one but within five years			152,806
After five but within ten years			15,900
After ten years			10,586
			218,217
Mortgage-backed securities			51,465
Total		$	269,682

Held-to-maturity Securities.

Schedule of maturity distribution of fair value

		Amortized			Fair
December 31, 2018		Cost			Value
Within one year
After one but within five years
After five but within ten years
After ten years		$	6,855		$	6,824
			6,855			6,824
Mortgage-backed securities			1,506			1,556
Total		$	8,361		$	8,380

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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=82897076&loc=d3e27290-111563

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