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Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2023
Commitments and Contingencies |
Schedule of Total Unfunded Commitments | Total unfunded commitments at September 30, 2023 and December 31, 2022 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2023 |  | December 31, 2022
Commitments to fund loans | ​ | $ | 885,416 | ​ | $ | 1,124,942
Credit card lines of credit | ​ |  | 6,888 | ​ |  | 7,167
Unfunded commitments under lines of credit | ​ |  | 907,916 | ​ |  | 862,369
Commercial and standby letters of credit | ​ |  | 9,880 | ​ |  | 13,859
Total unfunded commitments | ​ | $ | 1,810,100 | ​ | $ | 2,008,337
Schedule of Repurchase Reserve | The following table summarizes mortgage repurchase reserve activity for the periods presented: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30,
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022
Beginning balance | ​ | $ | 1,315 | ​ | $ | 1,878 | ​ | $ | 1,725 | ​ | $ | 2,102
Provision charged to (released from) operating expense, net | ​ | ​ | — | ​ | ​ | 35 | ​ | ​ | (323) | ​ | ​ | (45)
Charge-offs | ​ | ​ | (47) | ​ | ​ | (74) | ​ | ​ | (134) | ​ | ​ | (218)
Ending balance | ​ | $ | 1,268 | ​ | $ | 1,839 | ​ | $ | 1,268 | ​ | $ | 1,839

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