Securities (Tables)

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Securities Available-for-Sale

The amortized cost, unrealized gross gains and losses recognized in accumulated other comprehensive income (loss), and fair value of Securities Available-for-Sale were as follows:

Securities Available-for-Sale:	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Allowance for Credit Losses		Fair Value
September 30, 2021
Obligations of State and Political Subdivisions	$	813,088	$	26,425	$	(6,060)	$	—	$	833,453
MBS/CMO	728,789		6,250		(8,407)		—		726,632
US Gov't Sponsored Entities & Agencies	139,245		23		(3,128)		—		136,140
Total	$	1,681,122	$	32,698	$	(17,595)	$	—	$	1,696,225
December 31, 2020
Obligations of State and Political Subdivisions	$	548,273	$	33,077	$	(103)	$	—	$	581,247
MBS/CMO	535,526		12,806		(25)		—		548,307
US Gov't Sponsored Entities & Agencies	88,376		120		(198)		—		88,298
Total	$	1,172,175	$	46,003	$	(326)	$	—	$	1,217,852

Schedule of Securities by Contractual Maturity

The amortized cost and fair value of Securities at September 30, 2021 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because some issuers have the right to call or prepay certain obligations with or without call or prepayment penalties. Mortgage-backed Securities are not due at a single maturity date and are shown separately.

Securities Available-for-Sale:	Amortized Cost		Fair Value
Due in one year or less	$	2,150	$	2,173
Due after one year through five years	22,212		23,391
Due after five years through ten years	68,621		73,304
Due after ten years	720,105		734,585
MBS/CMO	728,789		726,632
US Gov't Sponsored Entities & Agencies	139,245		136,140
Total	$	1,681,122	$	1,696,225

Schedule of Proceeds from the Sales of Securities

Proceeds from the Sales of Securities are summarized below:

	Three Months Ended		Three Months Ended
	September 30, 2021		September 30, 2020
Proceeds from Sales	$	36,075	$	11,270
Gross Gains on Sales	218		607
Income Taxes on Gross Gains	46		127

	Nine Months Ended		Nine Months Ended
	September 30, 2021		September 30, 2020
Proceeds from Sales	$	102,823	$	74,693
Gross Gains on Sales	1,493		2,190
Income Taxes on Gross Gains	314		464

Schedule of Securities with Unrealized Losses

Below is a summary of securities with unrealized losses as of September 30, 2021 and December 31, 2020, presented by length of time the securities have been in a continuous unrealized loss position:

	Less than 12 Months				12 Months or More				Total
September 30, 2021	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Obligations of State and Political Subdivisions	$	303,113	$	(5,917)	$	1,452	$	(143)	$	304,565	$	(6,060)
MBS/CMO	475,726		(8,404)		309		(3)		476,035		(8,407)
US Gov't Sponsored Entities & Agencies	126,137		(3,128)		—		—		126,137		(3,128)
Total	$	904,976	$	(17,449)	$	1,761	$	(146)	$	906,737	$	(17,595)

	Less than 12 Months				12 Months or More				Total
December 31, 2020	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Obligations of State and Political Subdivisions	$	10,652	$	(103)	$	—	$	—	$	10,652	$	(103)
MBS/CMO	19,631		(25)		—		—		19,631		(25)
US Gov't Sponsored Entities & Agencies	59,054		(198)		—		—		59,054		(198)
Total	$	89,337	$	(326)	$	—	$	—	$	89,337	$	(326)