Investment Securities - Summary of Investment Securities In Unrealized Loss Position Summary (Details) $ in Thousands	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Available-for-Sale [Abstract]
Less Than 12 Months Fair Value		$ 20,821
Less Than 12 Months Unrealized Losses		$ (2,723)
12 Months or Longer Fair Value	$ 20,171
12 Months or Longer Unrealized Losses	$ (2,392)
Total Number of Securities | security	4	4
Total Fair Value	$ 20,171	$ 20,821
Total Unrealized Losses	(2,392)	(2,723)
Debt Securities, Held-to-Maturity, Maturity [Abstract]
Less Than 12 Months Fair Value	10,326	210,128
Less Than 12 Months Unrealized Losses	(107)	(22,209)
12 Months or Longer Fair Value	$ 554,514	$ 377,418
Total Number of Securities | security	152	148
12 Months or Longer Unrealized Losses	$ (117,561)	$ (104,542)
Total Fair Value	564,840	587,546
Total Unrealized Losses	(117,668)
Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss [Abstract]
Less Than 12 Months Fair Value	10,326	230,949
Less Than 12 Months Unrealized Losses	(107)	(24,932)
12 Months or Longer Fair Value	574,685	377,418
12 Months or Longer Unrealized Losses	$ (119,953)	$ (104,542)
Total Number of Securities | security	156	152
Total Fair Value	$ 585,011	$ 608,367
Total Unrealized Losses	$ (120,060)	(129,474)
U.S. government-sponsored mortgage-backed securities
Debt Securities, Held-to-Maturity, Maturity [Abstract]
Total Unrealized Losses		$ (126,751)