Securities - Schedule of Amortized Cost and Fair Value of Securities Available for Sale and Held to Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Available for sale
Amortized cost within one year	$ 4,511	$ 5,505
Amortized cost one to five years	105,444	100,301
Amortized cost for five to ten years	175,871	167,764
Amortized cost for after ten years	180,974	195,984
Amortized cost, available for sale	466,800	469,554
Total available for sale investment securities, amortized cost	628,431	634,615
Fair value within one year	4,451	5,408
Fair value for one to five years	93,731	89,650
Fair value for five to ten years	146,861	141,203
Fair value for after ten years	153,684	170,113
Fair value, available for sale	398,727	406,374
Fair Value	535,319	547,251
Held to maturity
Within one year, amortized cost	31,450	33,483
One to five years, amortized cost	220,119	225,957
Five to ten years, amortized cost	357,690	350,843
After ten years, amortized cost	915,818	928,209
Amortized cost, held to maturity	1,525,077	1,538,492
Investment securities, held to maturity	1,925,883	1,945,795
Within one year, fair value	31,092	33,169
One to five years, fair value	209,813	216,354
five to ten years, fair value	307,839	304,067
After ten years, fair value	741,250	768,927
Fair value, held to maturity	1,289,994	1,322,517
Fair value, held to maturity, mortgage obligations and backed pools	1,627,853	1,668,758
Federal agency collateralized mortgage obligations
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	3,819	3,931
Fair Value	3,450	3,580
Held to maturity
Investment securities, held to maturity	49,913	51,325
Fair value, held to maturity, mortgage obligations and backed pools	41,825	43,479
Federal agency mortgage-backed pools
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	157,812	161,130
Fair Value	133,142	137,297
Held to maturity
Investment securities, held to maturity	319,181	323,649
Fair value, held to maturity, mortgage obligations and backed pools	268,852	275,028
Private labeled mortgage-backed pools
Held to maturity
Investment securities, held to maturity	31,712	32,329
Fair value, held to maturity, mortgage obligations and backed pools	$ 27,182	$ 27,734

Available for sale securities debt maturities rolling fair value.

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