Fair Value of Financial Instruments - Schedule of the Carrying Values and Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financial assets:
Loans and leases, net	$ 17,679,779	$ 17,776,713
Financial liabilities:
Borrowed funds	51,423	34,000
Level 1
Financial assets:
Loans and leases, net	0	0
Financial liabilities:
Certificates of deposits and brokered deposits	0	0
Borrowed funds	0	0
Level 2
Financial assets:
Loans and leases, net	0	0
Financial liabilities:
Certificates of deposits and brokered deposits	4,199,715	4,566,386
Borrowed funds	1,073,489	796,543
Level 3
Financial assets:
Loans and leases, net	17,508,538	17,672,269
Financial liabilities:
Certificates of deposits and brokered deposits	0	0
Borrowed funds	0	0
Carrying Value
Financial assets:
Loans and leases, net	17,679,779	17,776,713
Financial liabilities:
Certificates of deposits and brokered deposits	4,214,355	4,566,899
Borrowed funds	1,072,503	788,360
Estimated Fair Value
Financial assets:
Loans and leases, net	17,508,538	17,672,269
Financial liabilities:
Certificates of deposits and brokered deposits	4,199,715	4,566,386
Borrowed funds	$ 1,073,489	$ 796,543

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of time deposit liabilities, including certificates of deposit.

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