v3.26.3
Note 8 - Fair Value Measurements and Fair Value of Financial Instruments - Assets Measured on a Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Impaired Financing Receivable, Fair Value Disclosure   $ 33,700  
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]      
Impaired Financing Receivable, Fair Value Disclosure $ 33,707    
Loan, Held-for-Sale, Fair Value Disclosure 678,880    
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]      
Impaired Financing Receivable, Fair Value Disclosure 0    
Loan, Held-for-Sale, Fair Value Disclosure 0    
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]      
Impaired Financing Receivable, Fair Value Disclosure 0    
Loan, Held-for-Sale, Fair Value Disclosure 0    
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]      
Impaired Financing Receivable, Fair Value Disclosure 33,707    
Loan, Held-for-Sale, Fair Value Disclosure $ 678,880    
Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]      
Impaired Financing Receivable, Fair Value Disclosure     $ 693
Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]      
Impaired Financing Receivable, Fair Value Disclosure     0
Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]      
Impaired Financing Receivable, Fair Value Disclosure     0
Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]      
Impaired Financing Receivable, Fair Value Disclosure     $ 693