Securities - Schedule of Amortized Cost and Fair Value of Securities Available for Sale and Held to Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Available for sale
Amortized cost within one year	$ 5,505	$ 1,535
Amortized cost one to five years	100,301	340,212
Amortized cost for five to ten years	167,764	238,045
Amortized cost for after ten years	195,984	303,936
Amortized cost, available for sale	469,554	883,728
Total available for sale investment securities, amortized cost	634,615	1,137,702
Fair value within one year	5,408	1,512
Fair value for one to five years	89,650	312,137
Fair value for five to ten years	141,203	204,282
Fair value for after ten years	170,113	257,756
Fair value, available for sale	406,374	775,687
Fair Value	547,251	997,558
Held to maturity
Within one year, amortized cost	33,483	32,610
One to five years, amortized cost	225,957	222,443
Five to ten years, amortized cost	350,843	324,967
After ten years, amortized cost	928,209	1,006,745
Amortized cost, held to maturity	1,538,492	1,586,765
Investment securities, held to maturity	1,945,795	2,022,748
Within one year, fair value	33,169	32,382
One to five years, fair value	216,354	209,854
five to ten years, fair value	304,067	280,618
After ten years, fair value	768,927	793,544
Fair value, held to maturity	1,322,517	1,316,398
Fair value, held to maturity, mortgage obligations and backed pools	1,668,758	1,681,309
Federal agency collateralized mortgage obligations
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	3,931	33,011
Total available for sale investment securities, amortized cost	3,931	33,011
Fair Value	3,580	31,215
Held to maturity
Investment securities, held to maturity	51,325	56,564
Fair value, held to maturity, mortgage obligations and backed pools	43,479	47,699
Federal agency mortgage–backed pools
Available for sale
Amortized cost, available for sale, mortgage obligations and backed pools	161,130	220,963
Total available for sale investment securities, amortized cost	161,130	220,963
Fair Value	137,297	190,656
Held to maturity
Investment securities, held to maturity	323,649	343,953
Fair value, held to maturity, mortgage obligations and backed pools	275,028	287,239
Private labeled mortgage–backed pools
Held to maturity
Investment securities, held to maturity	32,329	35,466
Fair value, held to maturity, mortgage obligations and backed pools	$ 27,734	$ 29,973

Available for sale securities debt maturities rolling fair value.

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