Securities - Schedule of Amortized Cost and Fair Value of Securities Available for Sale and Held to Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Available for sale
Amortized cost within one year	$ 448	$ 5,505
Amortized cost one to five years	148,408	100,301
Amortized cost for five to ten years	217,000	167,764
Amortized cost for after ten years	95,631	195,984
Amortized cost, available for sale	461,487	469,554
Total available for sale investment securities, amortized cost	616,744	634,615
Fair value within one year	447	5,408
Fair value for one to five years	135,879	89,650
Fair value for five to ten years	184,540	141,203
Fair value for after ten years	84,456	170,113
Fair value, available for sale	405,322	406,374
Fair Value	541,170	547,251
Held to maturity
Within one year, amortized cost	49,801	33,483
One to five years, amortized cost	309,583	225,957
Five to ten years, amortized cost	360,008	350,843
After ten years, amortized cost	783,213	928,209
Amortized cost, held to maturity	1,502,605	1,538,492
Investment securities, held to maturity	1,888,537	1,945,795
Within one year, fair value	49,143	33,169
One to five years, fair value	294,552	216,354
five to ten years, fair value	316,813	304,067
After ten years, fair value	641,525	768,927
Fair value, held to maturity	1,302,033	1,322,517
Fair value, held to maturity, mortgage obligations and backed pools	1,640,447	1,668,758
Federal agency collateralized mortgage obligations
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	3,413	3,931
Fair Value	3,152	3,580
Held to maturity
Investment securities, held to maturity	47,232	51,325
Fair value, held to maturity, mortgage obligations and backed pools	40,791	43,479
Federal agency mortgage-backed pools
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	151,844	161,130
Fair Value	132,696	137,297
Held to maturity
Investment securities, held to maturity	308,725	323,649
Fair value, held to maturity, mortgage obligations and backed pools	271,084	275,028
Private labeled mortgage-backed pools
Held to maturity
Investment securities, held to maturity	29,975	32,329
Fair value, held to maturity, mortgage obligations and backed pools	$ 26,539	$ 27,734

Available for sale securities debt maturities rolling fair value.

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