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Loans - Schedule of Loans (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Loans held for sale | $ 80,387,000 | $ 191,512,000 |  |
Total | 5,231,331,000 | 5,707,762,000 |  |
Loans accounted for at fair value | 0 | 17,011,000 |  |
Total LHFI | 5,231,331,000 | 5,724,773,000 |  |
Allowance for credit loss | 64,586,000 | 86,670,000 | $ 37,520,000 | $ 34,203,000
LHFI, net | 5,166,745,000 | 5,638,103,000 |  |
Net deferred loan fees | 9,600,000 | 13,700,000 |  |
Paycheck Protection Program |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 105,800,000 | 546,500,000 |  |
Net deferred loan fees | 3,000,000 | 9,600,000 |  |
Real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 3,133,334,000 | 2,787,908,000 |  |
Total LHFI | 3,133,334,000 | 2,804,919,000 |  |
Real estate | Commercial real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 1,693,512,000 | 1,370,928,000 |  |
Loans accounted for at fair value | 0 | 17,000,000 |  |
Total LHFI | 1,693,512,000 | 1,387,939,000 |  |
Allowance for credit loss | 13,425,000 | 15,430,000 | 10,013,000 | 8,999,000
Real estate | Construction/land/land development |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 530,083,000 | 531,860,000 |  |
Total LHFI | 530,083,000 | 531,860,000 |  |
Allowance for credit loss | 4,011,000 | 8,191,000 | 3,711,000 | 3,331,000
Real estate | Residential real estate |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 909,739,000 | 885,120,000 |  |
Total LHFI | 909,739,000 | 885,120,000 |  |
Allowance for credit loss | 6,116,000 | 9,418,000 | 6,332,000 | 5,705,000
Commercial and industrial |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 1,454,235,000 | 1,817,862,000 |  |
Total LHFI | 1,454,235,000 | 1,817,862,000 |  |
Allowance for credit loss | 40,146,000 | 51,857,000 | 16,960,000 | 15,616,000
Mortgage warehouse lines of credit |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 627,078,000 | 1,084,001,000 |  |
Total LHFI | 627,078,000 | 1,084,001,000 |  |
Allowance for credit loss | 340,000 | 856,000 | 262,000 | 316,000
Consumer |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Total | 16,684,000 | 17,991,000 |  |
Total LHFI | 16,684,000 | 17,991,000 |  |
Allowance for credit loss | $ 548,000 | $ 918,000 | $ 242,000 | $ 236,000

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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