Investment Securities - Schedule of Debt Securities Expected Maturity (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Amortized Cost
Due within 1 year		$ 1,145
Due after 1 but within 5 years		9,819
Due after 5 but within 10 years		38,337
Due after 10 years		563
Amortized Cost		49,864
Debt Securities, Held-to-maturity		461,162	$ 541,311
Estimated Fair Value
Due within 1 year		1,143
Due after 1 but within 5 years		9,315
Due after 5 but within 10 years		31,570
Due after 10 years		430
Estimated Fair Value		42,458
Debt Securities, Held-to-maturity, Fair Value		386,205	$ 536,651
Mortgage-Backed Securities [Member]
Amortized Cost
Debt Securities, Held-to-maturity	[1]	411,298
Estimated Fair Value
Debt Securities, Held-to-maturity, Fair Value	[1]	343,747
Mortgage-Backed Securities [Member] | US Government Agencies Debt Securities [Member]
Amortized Cost
Debt Securities, Held-to-maturity		77,200
Estimated Fair Value
Debt Securities, Held-to-maturity, Fair Value		62,800
Mortgage-Backed Securities [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member]
Amortized Cost
Debt Securities, Held-to-maturity		334,100
Estimated Fair Value
Debt Securities, Held-to-maturity, Fair Value		$ 280,900

[1] Mortgage Backed Securities include an amortized cost of $77.2 million and a fair value of $62.8 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $334.1 million and a fair value of $280.9 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.