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Fair Value Measurements (Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans $ 4,812,010 $ 4,233,837
Time deposits [1] 1,209,632 1,288,611
Federal Home Loan Bank advances 700,000 145,000
Junior subordinated debentures 22,681 22,681
Reported Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 4,812,010 4,233,837
Time deposits 1,209,632 1,288,611
Federal Home Loan Bank advances 700,000 145,000
Junior subordinated debentures 22,681 22,681
Fair Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 4,778,506 4,145,516
Time deposits 1,212,810 1,294,053
Federal Home Loan Bank advances 699,221 144,862
Junior subordinated debentures 18,763 20,181
Fair Value Measurement [Member] | Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 0 0
Time deposits 0 0
Federal Home Loan Bank advances 0 0
Junior subordinated debentures 0 0
Fair Value Measurement [Member] | Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 0 0
Time deposits 1,212,810 1,294,053
Federal Home Loan Bank advances 699,221 144,862
Junior subordinated debentures 18,763 20,181
Fair Value Measurement [Member] | Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 4,778,506 4,145,516
Time deposits 0 0
Federal Home Loan Bank advances 0 0
Junior subordinated debentures $ 0 $ 0
[1] Includes wholesale brokered time deposit balances of $412,127 and $515,228, respectively, as of September 30, 2022 and December 31, 2021.