Loans and Allowance for Credit Losses (Schedule of collateral-dependent loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Loan Receivables:
Loans, net	$ 4,560,668	$ 2,539,464
Real Estate Collateral
Loan Receivables:
Loans, net	13,281
Other Collateral
Loan Receivables:
Loans, net	2,481
Total
Loan Receivables:
Loans, net	15,762
Construction | Real Estate Collateral
Loan Receivables:
Loans, net	250
Construction | Other Collateral
Loan Receivables:
Loans, net	0
Construction | Total
Loan Receivables:
Loans, net	250
Residential real estate | Real Estate Collateral
Loan Receivables:
Loans, net	7,620
Residential real estate | Other Collateral
Loan Receivables:
Loans, net	0
Residential real estate | Total
Loan Receivables:
Loans, net	7,620
Commercial real estate | Real Estate Collateral
Loan Receivables:
Loans, net	5,411
Commercial real estate | Other Collateral
Loan Receivables:
Loans, net	0
Commercial real estate | Total
Loan Receivables:
Loans, net	5,411
Commercial | Real Estate Collateral
Loan Receivables:
Loans, net	0
Commercial | Other Collateral
Loan Receivables:
Loans, net	1,100
Commercial | Total
Loan Receivables:
Loans, net	1,100
Consumer | Real Estate Collateral
Loan Receivables:
Loans, net	0
Consumer | Other Collateral
Loan Receivables:
Loans, net	1,381
Consumer | Total
Loan Receivables:
Loans, net	$ 1,381