Loans and Leases - Aging of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	$ 282,841	$ 208,525
Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	297,103	47,128
Non-accrual	108,404	26,427
Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	148,171	20,701
30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	18,103	0
60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	22,425	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Commercial non-mortgage | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	175,057	29,891
Non-accrual	97,587	26,329
Commercial non-mortgage | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	77,451	3,562
Commercial non-mortgage | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Commercial non-mortgage | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	19	0
Commercial non-mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Commercial real estate | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	25,028	17,116
Non-accrual	169	0
Commercial real estate | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	24,859	17,116
Commercial real estate | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Commercial real estate | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Commercial real estate | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Equipment financing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	2,079
Non-accrual	317
Equipment financing | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	1,762
Equipment financing | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Equipment financing | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Equipment financing | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Residential | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	2,022
Non-accrual	764
Residential | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	1,258
Residential | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Residential | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Residential | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Home equity | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	596	121
Non-accrual	86	98
Home equity | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	510	23
Home equity | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Home equity | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	0
Home equity | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0	$ 0
Asset-based | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	42,331
Non-accrual	0
Asset-based | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	42,331
Asset-based | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Asset-based | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Asset-based | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Multi-family | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	49,990
Non-accrual	9,481
Multi-family | Current | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	0
Multi-family | 30-59 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	18,103
Multi-family | 60-89 Days Past Due and Accruing | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	22,406
Multi-family | Financial Asset, Equal to or Greater than 90 Days Past Due | Aging Loan Modifications
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 0