Securities - Schedule of Government-Sponsored Residential Mortgage-Backed Securities With Gross Unrealized Losses (Details) $ in Thousands	Mar. 31, 2025 USD ($) holding	Dec. 31, 2024 USD ($) holding
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding	688	756
Gross Unrealized Losses
Less than 12 Months	$ 1,457	$ 855
12 Months or Longer	426,672	756,191
Total	428,129	757,046
Fair Value
Less than 12 Months	280,003	218,888
12 Months or Longer	2,463,342	3,802,710
Total	$ 2,743,345	$ 4,021,598
Government-sponsored residential mortgage-backed securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding	299	324
Gross Unrealized Losses
Less than 12 Months	$ 898	$ 9
12 Months or Longer	301,460	537,424
Total	302,358	537,433
Fair Value
Less than 12 Months	268,473	113,326
12 Months or Longer	1,614,229	2,448,569
Total	$ 1,882,702	$ 2,561,895
Government-sponsored commercial mortgage-backed securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding	149	187
Gross Unrealized Losses
Less than 12 Months	$ 0	$ 27
12 Months or Longer	109,042	201,381
Total	109,042	201,408
Fair Value
Less than 12 Months	0	86,201
12 Months or Longer	631,365	1,074,910
Total	$ 631,365	$ 1,161,111
U.S. Agency bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding		1
Gross Unrealized Losses
Less than 12 Months		$ 0
12 Months or Longer		1,936
Total		1,936
Fair Value
Less than 12 Months		0
12 Months or Longer		17,672
Total		$ 17,672
U.S. Treasury securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding	4	6
Gross Unrealized Losses
Less than 12 Months	$ 0	$ 0
12 Months or Longer	95	2,165
Total	95	2,165
Fair Value
Less than 12 Months	0	0
12 Months or Longer	49,875	97,619
Total	$ 49,875	$ 97,619
State and municipal bonds and obligations
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Number of holdings | holding	236	238
Gross Unrealized Losses
Less than 12 Months	$ 559	$ 819
12 Months or Longer	16,075	13,285
Total	16,634	14,104
Fair Value
Less than 12 Months	11,530	19,361
12 Months or Longer	167,873	163,940
Total	$ 179,403	$ 183,301