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Fair Value Measurements (Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans $ 5,072,112 $ 4,233,837
Time deposits [1] 1,122,882 1,288,611
FHLB advances 980,000 145,000
Junior subordinated debentures 22,681 22,681
Estimate of Fair Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 4,929,449 4,145,516
Time deposits 1,137,219 1,294,053
FHLB advances 978,590 144,862
Junior subordinated debentures 18,963 20,181
Estimate of 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
FHLB advances 0 0
Junior subordinated debentures 0 0
Estimate of 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 1,137,219 1,294,053
FHLB advances 978,590 144,862
Junior subordinated debentures 18,963 20,181
Estimate of 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 4,929,449 4,145,516
Time deposits 0 0
FHLB advances 0 0
Junior subordinated debentures 0 0
Reported Value Measurement [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans, net of allowance for credit losses on loans 5,072,112 4,233,837
Time deposits 1,122,882 1,288,611
FHLB advances 980,000 145,000
Junior subordinated debentures $ 22,681 $ 22,681
[1] Includes wholesale brokered time deposit balances of $327,044 and $515,228, respectively, as of December 31, 2022 and 2021.