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SECURITIES (Tables)

12 Months Ended

Dec. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Securities

The amortized cost, gross unrealized gains and losses, and estimated fair value of securities at December 31, 2024 and 2023, are summarized as follows (in thousands):

			December 31, 2024
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses												Fair Value
Available-for-Sale:
U.S. Government and agency obligations			$	8,492					$	—					$	(559)											$	7,933
Municipal bonds			153,982						453						(30,453)												123,982
Corporate bonds			131,379						100						(6,489)												124,990
Mortgage-backed or related securities			1,995,805						383						(319,340)												1,676,848
Asset-backed securities			170,604						155						(1)												170,758
			$	2,460,262					$	1,091					$	(356,842)											$	2,104,511

			December 31, 2024
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Allowance for Credit Losses
Held-to-Maturity:
U.S. Government and agency obligations			$	302					$	—					$	(4)					$	298					$	—
Municipal bonds			438,196						36						(62,809)						375,280						(143)
Corporate bonds			2,658						—						(6)						2,498						(154)
Mortgage-backed or related securities			560,705						—						(113,253)						447,452						—
			$	1,001,861					$	36					$	(176,072)					$	825,528					$	(297)

			December 31, 2023
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses												Fair Value
Available-for-Sale:
U.S. Government and agency obligations			$	34,929					$	—					$	(740)											$	34,189
Municipal bonds			161,264						832						(29,191)												132,905
Corporate bonds			131,291						—						(12,168)												119,123
Mortgage-backed or related securities			2,179,947						942						(314,175)												1,866,714
Asset-backed securities			222,549						300						(1,997)												220,852
			$	2,729,980					$	2,074					$	(358,271)											$	2,373,783

			December 31, 2023
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Allowance for Credit Losses
Held-to-Maturity:
U.S. Government and agency obligations			$	307					$	—					$	(5)					$	302					$	—
Municipal bonds			466,032						687						(53,563)						412,999						(157)
Corporate bonds			2,781						—						(20)						2,586						(175)
Mortgage-backed or related securities			590,267						—						(98,640)						491,627						—
			$	1,059,387					$	687					$	(152,228)					$	907,514					$	(332)

Schedule of Securities with Continuous Loss Position

, the gross unrealized losses and the fair value for securities—available-for-sale aggregated by the length of time that individual securities have been in a continuous unrealized loss position were as follows (in thousands):

			December 31, 2024
			Less Than 12 Months												12 Months or More												Total
			Fair Value						Unrealized Losses						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses
Available-for-Sale:
U.S. Government and agency obligations			$	—					$	—					$	7,933					$	(559)					$	7,933					$	(559)
Municipal bonds			15,497						(287)						91,156						(30,166)						106,653						(30,453)
Corporate bonds			2,541						(59)						96,763						(6,430)						99,304						(6,489)
Mortgage-backed or related securities			44,749						(524)						1,552,613						(318,816)						1,597,362						(319,340)
Asset-backed securities			20,000						(1)						—						—						20,000						(1)
			$	82,787					$	(871)					$	1,748,465					$	(355,971)					$	1,831,252					$	(356,842)

			December 31, 2023
			Less Than 12 Months												12 Months or More												Total
			Fair Value						Unrealized Losses						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses
Available-for-Sale:
U.S. Government and agency obligations			$	—					$	—					$	34,189					$	(740)					$	34,189					$	(740)
Municipal bonds			6,049						(7)						103,511						(29,184)						109,560						(29,191)
Corporate bonds			15,720						(46)						106,852						(12,122)						122,572						(12,168)
Mortgage-backed or related securities			71,150						(212)						1,712,125						(313,963)						1,783,275						(314,175)
Asset-backed securities			115,162						(1,212)						85,840						(785)						201,002						(1,997)
			$	208,081					$	(1,477)					$	2,042,517					$	(356,794)					$	2,250,598					$	(358,271)

Schedule of Realized Gain (Loss)

The following table presents gross gains and losses on sales and partial calls of securities—available-for-sale (in thousands):

									For the Year Ended December 31,
															2024						2023						2022
Available-for-Sale:
Gross Gains															$	36					$	383					$	522
Gross Losses															(5,529)						(19,625)						(3,770)
Balance, end of the period															$	(5,493)					$	(19,242)					$	(3,248)

Schedule of Securities by Contractual Maturity Date

The following table presents the amortized cost and estimated fair value of securities at December 31, 2024, by contractual maturity and does not reflect any required periodic payments (in thousands). Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.

															December 31, 2024
									Available-for-Sale												Held-to-Maturity
															Amortized Cost						Fair Value						Amortized Cost						Fair Value
Maturing within one year															$	23,515					$	23,286					$	3,651					$	3,492
Maturing after one year through five years															135,410						128,115						19,325						18,790
Maturing after five years through 10 years															422,962						388,640						34,010						31,511
Maturing after 10 years															1,878,375						1,564,470						944,875						771,735
															$	2,460,262					$	2,104,511					$	1,001,861					$	825,528

Schedule of Pledged Securities

The following table presents, as of December 31, 2024, investment securities which were pledged to secure borrowings, public deposits or other obligations as permitted or required by law (in thousands):

			December 31, 2024
			Carrying Value						Amortized Cost						Fair Value
Purpose or beneficiary:
State and local governments public deposits			$	281,954					$	296,238					$	250,692
Interest rate swap counterparties			959						959						769
Repurchase transaction accounts			215,610						215,610						170,700
Other			2,289						2,289						2,094
Total pledged securities			$	500,812					$	515,096					$	424,255

Debt Securities, Held-to-maturity, Credit Quality Indicator

The following tables summarize the amortized cost of held-to-maturity debt securities by credit rating at December 31, 2024 and 2023 (in thousands):

			December 31, 2024
			U.S. Government and agency obligations						Municipal bonds						Corporate bonds						Mortgage-backed or related securities						Total
AAA/AA/A			$	—					$	430,158					$	500					$	16,218					$	446,876
Not Rated			302						8,038						2,158						544,487						554,985
			$	302					$	438,196					$	2,658					$	560,705					$	1,001,861

			December 31, 2023
			U.S. Government and agency obligations						Municipal bonds						Corporate bonds						Mortgage-backed or related securities						Total
AAA/AA/A			$	—					$	456,999					$	500					$	16,459					$	473,958
Not Rated			307						9,033						2,281						573,808						585,429
			$	307					$	466,032					$	2,781					$	590,267					$	1,059,387

Debt Securities, Held-to-maturity, Allowance for Credit Loss

The following tables present the activity in the allowance for credit losses for held-to-maturity debt securities by major type for the year ended December 31, 2024 and 2023 (in thousands):

									For the Year Ended December 31, 2024
									Municipal bonds						Corporate bonds												Total
Allowance for credit losses – securities
Beginning balance									$	157					$	175											$	332
Recapture of provision for credit losses									(14)						(46)												(60)
Recoveries									—						25												25
Ending balance									$	143					$	154											$	297

									For the Year Ended December 31, 2023
									Municipal bonds						Corporate bonds												Total
Allowance for credit losses – securities
Beginning balance									$	183					$	196											$	379
Recapture of provision for credit losses									(26)						(45)												(71)
Recoveries									—						24												24
Ending balance									$	157					$	175											$	332

									For the Year Ended December 31, 2022
									Municipal bonds						Corporate bonds												Total
Allowance for credit losses – securities
Beginning balance									$	203					$	230											$	433
Recapture of provision for credit losses									(20)						(63)												(83)
Recoveries									—						29												29
Ending balance									$	183					$	196											$	379

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