Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financial assets:
Securities available for sale	$ 2,471,487	$ 831,013
Derivative instruments	23,925	34,505
Financial liabilities:
Derivative instruments:	22,191	28,550
Recurring
Financial assets:
Derivative instruments	50,629	38,954
Mortgage loans held for sale in loans held for sale	356,791	246,171
Total financial assets	2,878,907	1,116,138
Financial liabilities:
Derivative instruments:	46,204	32,268
Recurring \| Securities available for sale
Financial assets:
Securities available for sale	2,471,487	831,013
Recurring \| Level 1
Financial assets:
Derivative instruments	0	0
Mortgage loans held for sale in loans held for sale	0	0
Total financial assets	0	0
Financial liabilities:
Derivative instruments:	0	0
Recurring \| Level 1 \| Securities available for sale
Financial assets:
Securities available for sale	0	0
Recurring \| Level 2
Financial assets:
Derivative instruments	50,629	38,954
Mortgage loans held for sale in loans held for sale	356,791	246,171
Total financial assets	2,878,907	1,116,138
Financial liabilities:
Derivative instruments:	46,204	32,268
Recurring \| Level 2 \| Securities available for sale
Financial assets:
Securities available for sale	2,471,487	831,013
Recurring \| Level 3
Financial assets:
Derivative instruments	0	0
Mortgage loans held for sale in loans held for sale	0	0
Total financial assets	0	0
Financial liabilities:
Derivative instruments:	0	0
Recurring \| Level 3 \| Securities available for sale
Financial assets:
Securities available for sale	$ 0	$ 0