Investment Securities - Schedule of Amortized Cost and Fair Value of Debt Securities, Aggregated By Earlier of Guaranteed Call Date or Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Available for sale securities, After One, But Within Five Years, Amortized Cost	$ 22,117
Available for sale securities, After One, But Within Five Years, Fair Value	20,421
Available for sale securities, After Five, But Within Ten Years, Amortized Cost	42,607
Available for sale securities, After Five, But Within Ten Years, Fair Value	34,465
Available for sale securities, After Ten Years, Amortized Cost	103,179
Available for sale securities, After Ten Years, Fair Value	81,367
Available for sale securities, Total, Amortized Cost	167,903
Available for sale securities, Total, Fair Value	136,253
Held to maturity securities, Within One Year, Amortized Cost	6,873
Held to maturity securities, Within One Year, Fair Value	6,827
Held to maturity securities, After One, But Within Five Years, Amortized Cost	47,625
Held to maturity securities, After One, But Within Five Years, Fair Value	44,997
Held to maturity securities, After Five, But Within Ten Years, Amortized Cost	72,758
Held to maturity securities, After Five, But Within Ten Years, Fair Value	61,809
Held to maturity securities, After Ten Years, Amortized Cost	853,335
Held to maturity securities, After Ten Years, Fair Value	671,003
Held to maturity securities, Amortized Cost	980,591	$ 1,051,997
Held to maturity securities, Fair Value	784,636	885,586
Available for sale securities and Held to maturity securities, Within One Year, Amortized Cost	6,873
Available for sale securities and Held to maturity securities, Within One Year, Fair Value	6,827
Available for sale securities and Held to maturity securities, After One, But Within Five Years, Amortized Cost	69,742
Available for sale securities and Held to maturity securities, After One, But Within Five Years, Fair Value	65,418
Available for sale securities and Held to maturity securities, After Five, But Within Ten Years, Amortized Cost	115,365
Available for sale securities and Held to maturity securities, After Five, But Within Ten Years, Fair Value	96,274
Available for sale securities and Held to maturity securities, After Ten Years, Amortized Cost	956,514
Available for sale securities and Held to maturity securities, After Ten Years, Fair Value	752,370
Available for sale securities and Held to maturity securities, Total, Amortized Cost	1,148,494
Available for sale securities and Held to maturity securities, Total, Fair Value	920,889
U.S. Government Sponsored Enterprise Obligations
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Available for sale securities, After One, But Within Five Years, Amortized Cost	9,998
Available for sale securities, After One, But Within Five Years, Fair Value	9,139
Available for sale securities, After Five, But Within Ten Years, Amortized Cost	5,000
Available for sale securities, After Five, But Within Ten Years, Fair Value	4,243
Available for sale securities, After Ten Years, Amortized Cost	8,000
Available for sale securities, After Ten Years, Fair Value	6,104
Available for sale securities, Total, Amortized Cost	22,998
Available for sale securities, Total, Fair Value	19,486
U.S. Treasury Notes
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Held to maturity securities, Within One Year, Amortized Cost	3,064
Held to maturity securities, Within One Year, Fair Value	3,040
Held to maturity securities, After One, But Within Five Years, Amortized Cost	959
Held to maturity securities, After One, But Within Five Years, Fair Value	940
Held to maturity securities, Amortized Cost	4,023
Held to maturity securities, Fair Value	3,980
Mortgage Backed Securities
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Available for sale securities, After One, But Within Five Years, Amortized Cost	12,119
Available for sale securities, After One, But Within Five Years, Fair Value	11,282
Available for sale securities, After Five, But Within Ten Years, Amortized Cost	37,607
Available for sale securities, After Five, But Within Ten Years, Fair Value	30,222
Available for sale securities, After Ten Years, Amortized Cost	95,179
Available for sale securities, After Ten Years, Fair Value	75,263
Available for sale securities, Total, Amortized Cost	144,905
Available for sale securities, Total, Fair Value	116,767
Held to maturity securities, After One, But Within Five Years, Amortized Cost	24,211
Held to maturity securities, After One, But Within Five Years, Fair Value	22,481
Held to maturity securities, After Five, But Within Ten Years, Amortized Cost	50,175
Held to maturity securities, After Five, But Within Ten Years, Fair Value	41,070
Held to maturity securities, After Ten Years, Amortized Cost	815,774
Held to maturity securities, After Ten Years, Fair Value	643,621
Held to maturity securities, Amortized Cost	890,160
Held to maturity securities, Fair Value	707,172
Corporate Debt Securities
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Held to maturity securities, Within One Year, Amortized Cost	250
Held to maturity securities, Within One Year, Fair Value	246
Held to maturity securities, Amortized Cost	250
Held to maturity securities, Fair Value	246
Municipal Securities
Schedule of Available for Sale Securities and Held to Maturity Securities [Line Items]
Held to maturity securities, Within One Year, Amortized Cost	3,559
Held to maturity securities, Within One Year, Fair Value	3,541
Held to maturity securities, After One, But Within Five Years, Amortized Cost	22,455
Held to maturity securities, After One, But Within Five Years, Fair Value	21,576
Held to maturity securities, After Five, But Within Ten Years, Amortized Cost	22,583
Held to maturity securities, After Five, But Within Ten Years, Fair Value	20,739
Held to maturity securities, After Ten Years, Amortized Cost	37,561
Held to maturity securities, After Ten Years, Fair Value	27,382
Held to maturity securities, Amortized Cost	86,158	96,405
Held to maturity securities, Fair Value	$ 73,238	$ 87,222

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