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Loans and Allowance - Changes in Allowance for Loan Losses by Loan Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance | $ 195,397 | $ 130,648
Provision for credit losses - loans | 0 | 0
Recoveries on loans | 1,052 | 694
Loans charged off | (465) | (4,315)
Ending balance | 195,984 | 201,082
Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 74,055
Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 204,703
Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 130,648
Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Commercial |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance | 69,935 | 47,115
Provision for credit losses - loans | 7,571 | (932)
Recoveries on loans | 139 | 188
Loans charged off | (8) | (673)
Ending balance | 77,637 | 65,722
Commercial | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 20,024
Commercial | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 67,139
Commercial | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 47,115
Commercial | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Commercial Real Estate |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance | 60,665 | 40,786
Provision for credit losses - loans | (8,250) | (1,701)
Recoveries on loans | 707 | 164
Loans charged off | (122) | (3,313)
Ending balance | 53,000 | 70,861
Commercial Real Estate | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 34,925
Commercial Real Estate | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 75,711
Commercial Real Estate | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 51,070
Commercial Real Estate | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | (10,284)
Construction |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance | 20,206 | 10,284
Provision for credit losses - loans | 554 | 1,095
Recoveries on loans | 0 | 0
Loans charged off | 0 | (2)
Ending balance | 20,760 | 20,182
Construction | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 8,805
Construction | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 19,089
Construction | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Construction | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 10,284
Consumer |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Provision for credit losses - loans |  | 0
Recoveries on loans |  | 0
Loans charged off |  | 0
Ending balance |  | 0
Consumer | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Consumer | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Consumer | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 9,648
Consumer | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | (9,648)
Residential |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Provision for credit losses - loans |  | 0
Recoveries on loans |  | 0
Loans charged off |  | 0
Ending balance |  | 0
Residential | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Residential | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Residential | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 22,815
Residential | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | (22,815)
Consumer & Residential |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance | 44,591 | 32,463
Provision for credit losses - loans | 125 | 1,538
Recoveries on loans | 206 | 342
Loans charged off | (335) | (327)
Ending balance | $ 44,587 | 44,317
Consumer & Residential | Impact of adopting ASC 326 |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 10,301
Consumer & Residential | Adjusted balance |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 42,764
Consumer & Residential | Previously reported |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | 0
Consumer & Residential | Credit risk reclassifications |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |
Beginning balance |  | $ 32,463

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