v3.26.1
Fair Value Measurements (Carrying Amount And Estimated Fair Value Of Assets And Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
ASSETS:    
Total investment securities, available-for-sale $ 1,614,890 $ 1,671,750
Deposits    
Other long-term borrowings 4,327 13,712
Level 1    
ASSETS:    
Total investment securities, available-for-sale 0 0
Commercial loans, at fair value 0 0
Loans, net of deferred loan fees and costs 0 0
Stock in Federal Reserve, Federal Home Loan and Atlantic Central Bankers Banks 0 0
Accrued interest receivable 0 0
Credit enhancement asset 0 0
Deposits    
Demand and interest checking 0 0
Savings and money market 0 0
Short-term borrowings 0 0
Senior debt 0 0
Subordinated debentures 0 0
Other long-term borrowings 0 0
Other liabilities: Accrued interest payable 0 0
Level 2    
ASSETS:    
Total investment securities, available-for-sale 1,614,890 1,671,750
Commercial loans, at fair value 0 0
Loans, net of deferred loan fees and costs 0 0
Stock in Federal Reserve, Federal Home Loan and Atlantic Central Bankers Banks 0 0
Accrued interest receivable 43,342 43,090
Credit enhancement asset 30,733 31,138
Deposits    
Demand and interest checking 7,353,151 7,827,037
Savings and money market 123,051 338,459
Short-term borrowings 744,000 199,000
Senior debt 204,262 202,503
Subordinated debentures 0 0
Other long-term borrowings 4,327 13,712
Other liabilities: Accrued interest payable 5,457 6,802
Level 3    
ASSETS:    
Total investment securities, available-for-sale 0 0
Commercial loans, at fair value 114,162 139,389
Loans, net of deferred loan fees and costs 7,046,464 7,073,348
Stock in Federal Reserve, Federal Home Loan and Atlantic Central Bankers Banks 50,115 25,205
Accrued interest receivable 0 0
Credit enhancement asset 0 0
Deposits    
Demand and interest checking 0 0
Savings and money market 0 0
Short-term borrowings 0 0
Senior debt 0 0
Subordinated debentures 9,668 11,220
Other long-term borrowings 0 0
Other liabilities: Accrued interest payable 0 0
Carrying amount    
ASSETS:    
Total investment securities, available-for-sale 1,614,890 1,671,750
Commercial loans, at fair value 114,162 139,389
Loans, net of deferred loan fees and costs 7,073,906 7,116,676
Stock in Federal Reserve, Federal Home Loan and Atlantic Central Bankers Banks 50,115 25,205
Accrued interest receivable 43,342 43,090
Credit enhancement asset 30,733 31,138
Deposits    
Demand and interest checking 7,353,151 7,827,037
Savings and money market 123,051 338,459
Short-term borrowings 744,000 199,000
Senior debt 196,528 196,253
Subordinated debentures 13,401 13,401
Other long-term borrowings 4,327 13,712
Other liabilities: Accrued interest payable 5,457 6,802
Fair Value    
ASSETS:    
Total investment securities, available-for-sale 1,614,890 1,671,750
Commercial loans, at fair value 114,162 139,389
Loans, net of deferred loan fees and costs 7,046,464 7,073,348
Stock in Federal Reserve, Federal Home Loan and Atlantic Central Bankers Banks 50,115 25,205
Accrued interest receivable 43,342 43,090
Credit enhancement asset 30,733 31,138
Deposits    
Demand and interest checking 7,353,151 7,827,037
Savings and money market 123,051 338,459
Short-term borrowings 744,000 199,000
Senior debt 204,262 202,503
Subordinated debentures 9,668 11,220
Other long-term borrowings 4,327 13,712
Other liabilities: Accrued interest payable $ 5,457 $ 6,802