Securities (Tables)

3 Months Ended

Mar. 31, 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
March 31, 2021
Obligations of State and Political Subdivisions	$	601,546	$	24,849	$	(2,547)	$	—	$	623,848
MBS/CMO	$	654,447	$	7,873	$	(8,871)	$	—	$	653,449
US Gov't Sponsored Entities & Agencies	111,863		—		(3,287)		—		108,576
Total	$	1,367,856	$	32,722	$	(14,705)	$	—	$	1,385,873
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 March 31, 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	$	5,739	$	5,770
Due after one year through five years	17,354		18,027
Due after five years through ten years	66,272		70,572
Due after ten years	512,181		529,479
MBS/CMO	654,447		653,449
US Gov't Sponsored Entities & Agencies	111,863		108,576
Total	$	1,367,856	$	1,385,873

Schedule of Proceeds from the Sales of Securities

Proceeds from the Sales of Securities are summarized below:

	Three Months Ended		Three Months Ended
	March 31, 2021		March 31, 2020
Proceeds from Sales	$	51,370	$	10,989
Gross Gains on Sales	975		590
Income Taxes on Gross Gains	205		127

Schedule of Securities with Unrealized Losses

Below is a summary of securities with unrealized losses as of March 31, 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
March 31, 2021	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Obligations of State and Political Subdivisions	$	155,320	$	(2,547)	$	—	$	—	$	155,320	$	(2,547)
MBS/CMO	405,387		(8,871)		—		—		405,387		(8,871)
US Gov't Sponsored Entities & Agencies	108,576		(3,287)		—		—		108,576		(3,287)
Total	$	669,283	$	(14,705)	$	—	$	—	$	669,283	$	(14,705)

	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)