Loans and the Allowance for Loan Losses - Past Due Loans Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	$ 5,162,852	$ 4,992,785
Recorded Investment Over 90 Days Past Due and Still Accruing	1,355	127
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	9,273	3,692
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	5,040	3,386
Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	17,768	12,020
Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	32,081	19,098
Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	5,130,771	4,973,687
Real Estate Loans:
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	3,579,461	3,570,120
Recorded Investment Over 90 Days Past Due and Still Accruing	342	64
Real Estate Loans: | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	7,028	2,311
Real Estate Loans: | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	5,000	3,063
Real Estate Loans: | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	11,869	10,210
Real Estate Loans: | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	23,897	15,584
Real Estate Loans: | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	3,555,564	3,554,536
Real Estate Loans: | Commercial
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	2,198,119	2,217,928
Recorded Investment Over 90 Days Past Due and Still Accruing	150	44
Real Estate Loans: | Commercial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	1,495	240
Real Estate Loans: | Commercial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	3,592	536
Real Estate Loans: | Commercial | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	2,399	2,954
Real Estate Loans: | Commercial | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	7,486	3,730
Real Estate Loans: | Commercial | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	2,190,633	2,214,198
Real Estate Loans: | Construction
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	637,466	669,798
Recorded Investment Over 90 Days Past Due and Still Accruing	0	0
Real Estate Loans: | Construction | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	4,618	279
Real Estate Loans: | Construction | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	150	1,320
Real Estate Loans: | Construction | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	5,411	3,198
Real Estate Loans: | Construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	10,179	4,797
Real Estate Loans: | Construction | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	627,287	665,001
Real Estate Loans: | Residential
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	743,876	682,394
Recorded Investment Over 90 Days Past Due and Still Accruing	192	20
Real Estate Loans: | Residential | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	915	1,792
Real Estate Loans: | Residential | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	1,258	1,207
Real Estate Loans: | Residential | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	4,059	4,058
Real Estate Loans: | Residential | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	6,232	7,057
Real Estate Loans: | Residential | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	737,644	675,337
Commercial
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	1,520,392	1,358,838
Recorded Investment Over 90 Days Past Due and Still Accruing	985	52
Commercial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	2,142	1,101
Commercial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	10	71
Commercial | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	5,317	1,622
Commercial | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	7,469	2,794
Commercial | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	1,512,923	1,356,044
Consumer and Other
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	62,999	63,827
Recorded Investment Over 90 Days Past Due and Still Accruing	28	11
Consumer and Other | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	103	280
Consumer and Other | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	30	252
Consumer and Other | Greater Than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	582	188
Consumer and Other | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	715	720
Consumer and Other | Current
Financing Receivable, Past Due [Line Items]
Financing receivable, excluding accrued interest, before allowance for credit loss	$ 62,284	$ 63,107