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SECURITIES (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Estimated Fair Value of Securities Available for Sale

Amortized cost and estimated fair value of securities available for sale at December 31, 2021 and 2020 are as follows (in thousands):

						2021												2020
						Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
U.S. treasury notes and bonds						$	61,084					$	60,431					$	—					$	—
Mortgage-backed securities, residential						$	582,060					$	577,361					$	458,245					$	467,866
Obligations of states and political subdivisions						40,299						42,303						40,662						43,405
Corporate bonds and notes						22,750						22,848						9,000						9,035
SBA loan pools						89,216						89,083						34,455						34,305
Total						$	795,409					$	792,026					$	542,362					$	554,611

Gross unrealized gains and losses on securities available for sale at December 31, 2021 and 2020, were as follows (in thousands):

						2021												2020
						Unrealized Gains						Unrealized Losses						Unrealized Gains						Unrealized Losses
U.S. treasury notes and bonds						$	27					$	680					$	—					$	—
Mortgage-backed securities, residential						$	4,032					$	8,731					$	9,822					$	201
Obligations of states and political subdivisions						2,004						—						2,743						—
Corporate bonds and notes						180						82						47						12
SBA loan pools						344						477						42						192
Total						$	6,587					$	9,970					$	12,654					$	405

Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale by Contractual Maturity

Securities not due at a single maturity date are shown separately (in thousands):

						December 31, 2021
						Amortized Cost						Fair Value
Within one year						$	1,302					$	1,307
After one, but within five years						37,598						39,099
After five, but within ten years						25,087						25,652
After ten years						470						500
Mortgage-backed securities, residential						582,060						577,361
U.S. treasury notes and bonds						59,676						59,024
SBA loan pools						89,216						89,083
Total						$	795,409					$	792,026

Amortized Cost and Estimated Fair Value of Securities Held to Maturity

Amortized cost and estimated fair value of securities held to maturity at December 31, 2021 and 2020 are as follows (in thousands):

						2021												2020
						Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Obligations of states and political subdivisions						$	2,157					$	2,157					$	326					$	326
Time deposits with other financial institutions						1,633						1,639						2,143						2,175
						$	3,790					$	3,796					$	2,469					$	2,501

Gross unrealized gains and losses on securities held to maturity at December 31, 2021 and 2020, were as follows (in thousands):

						2021												2020
						Unrealized Gains						Unrealized Losses						Unrealized Gains						Unrealized Losses
Time deposits with other financial institutions						$	6					$	—					$	32					$	—
Total						$	6					$	—					$	32					$	—

Contractual Maturities of Securities Held to Maturity

The contractual maturity of securities held to maturity is as follows at December 31, 2021 (in thousands):

						December 31, 2021
						Amortized Cost						Fair Value
Within one year						$	2,171					$	2,176
After one, but within five years						819						820
After five, but within ten years						800						800
Total						$	3,790					$	3,796

Investment Securities Available for Sale in Unrealized Loss Position

The following table summarizes the investment securities available for sale with unrealized losses at December 31, 2021 and December 31, 2020 by aggregated major security type and length of time in a continuous unrealized position (in thousands):

						Less than 12 months												12 months or longer												Total
						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses
2021
U.S. treasury notes and bonds						$	49,084					$	680					$	—					$	—					$	49,084					$	680
Mortgage-backed securities, residential						293,720						4,502						122,050						4,229						415,770						8,731
Corporate bonds and notes						4,928						72						1,989						10						6,917						82
SBA loan pools						51,235						296						13,769						181						65,004						477
Total temporarily impaired securities						$	398,967					$	5,550					$	137,808					$	4,420					$	536,775					$	9,970

						Less than 12 months												12 months or longer												Total
						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses
2020
Mortgage-backed securities, residential						$	70,037					$	200					$	970					$	1					$	71,007					$	201
Corporate bonds and notes						2,988						12						—						—						2,988						12
SBA loan pools						15,245						156						3,636						36						18,881						192
Total temporarily impaired securities						$	88,270					$	368					$	4,606					$	37					$	92,876					$	405

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Tabular disclosure of maturities of an entity's securities available for sale.

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Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

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