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Loans - Summary of Allowance for Loan Losses by Portfolio Class and Category (Details) - Portfolio loans, net - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | $ 136,932 | $ 145,041
Provision (benefit) for credit losses | (1,099) | 4,308
Charge-offs | (1,180) | (3,312)
Recoveries | 1,444 | 1,791
Ending Balance | 138,295 | 139,212
Commercial and industrial |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 53,835 | 63,825
Provision (benefit) for credit losses | (5,083) | 1,481
Charge-offs | (707) | (2,159)
Recoveries | 938 | 790
Ending Balance | 59,149 | 60,975
CRE - investor owned |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 36,191 | 35,877
Provision (benefit) for credit losses | (222) | (121)
Charge-offs | (170) | 0
Recoveries | 23 | 196
Ending Balance | 36,266 | 36,194
CRE - owner occupied |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 22,752 | 17,560
Provision (benefit) for credit losses | 440 | 582
Charge-offs | 0 | (180)
Recoveries | 16 | 240
Ending Balance | 22,328 | 17,038
Construction and land development |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 11,444 | 14,536
Provision (benefit) for credit losses | 2,578 | 1,574
Charge-offs | (9) | 0
Recoveries | 32 | 21
Ending Balance | 8,889 | 12,983
Residential real estate |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 7,928 | 7,927
Provision (benefit) for credit losses | 1,151 | 456
Charge-offs | (102) | (887)
Recoveries | 322 | 525
Ending Balance | 6,997 | 7,109
Other |  |
Allowance for Loan Losses [Roll Forward] |  |
Beginning Balance | 4,782 | 5,316
Provision (benefit) for credit losses | 37 | 336
Charge-offs | (192) | (86)
Recoveries | 113 | 19
Ending Balance | $ 4,666 | $ 4,913

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