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Loans - Loan Portfolio Aging Analysis (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | $ 5,231,331,000 | $ 5,724,773,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Loans at fair value | 0 | 17,011,000
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 25,615,000 | 25,763,000
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 2,434,000 | 6,031,000
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,653,000 | 1,241,000
Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 21,528,000 | 18,491,000
Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 5,205,716,000 | 5,699,010,000
Real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 3,133,334,000 | 2,804,919,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Real estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 13,328,000 | 11,214,000
Real estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 2,267,000 | 5,215,000
Real estate | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 481,000 | 135,000
Real estate | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 10,580,000 | 5,864,000
Real estate | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 3,120,006,000 | 2,793,705,000
Real estate | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,693,512,000 | 1,387,939,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Loans at fair value | 0 | 17,000,000
Real estate | Commercial real estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 219,000 | 4,244,000
Real estate | Commercial real estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 22,000 | 1,072,000
Real estate | Commercial real estate | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 0
Real estate | Commercial real estate | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 197,000 | 3,172,000
Real estate | Commercial real estate | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,693,293,000 | 1,383,695,000
Real estate | Construction/land/land development |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 530,083,000 | 531,860,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Real estate | Construction/land/land development | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 181,000 | 2,698,000
Real estate | Construction/land/land development | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 369,000
Real estate | Construction/land/land development | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 129,000 | 1,000
Real estate | Construction/land/land development | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 52,000 | 2,328,000
Real estate | Construction/land/land development | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 529,902,000 | 529,162,000
Real estate | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 909,739,000 | 885,120,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Real estate | Residential real estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 12,928,000 | 4,272,000
Real estate | Residential real estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 2,245,000 | 3,774,000
Real estate | Residential real estate | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 352,000 | 134,000
Real estate | Residential real estate | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 10,331,000 | 364,000
Real estate | Residential real estate | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 896,811,000 | 880,848,000
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,454,235,000 | 1,817,862,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Commercial and industrial | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 12,176,000 | 14,425,000
Commercial and industrial | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 77,000 | 703,000
Commercial and industrial | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,172,000 | 1,097,000
Commercial and industrial | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 10,927,000 | 12,625,000
Commercial and industrial | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,442,059,000 | 1,803,437,000
Mortgage warehouse lines of credit |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 627,078,000 | 1,084,001,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Mortgage warehouse lines of credit | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 0
Mortgage warehouse lines of credit | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 0
Mortgage warehouse lines of credit | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 0
Mortgage warehouse lines of credit | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 0
Mortgage warehouse lines of credit | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 627,078,000 | 1,084,001,000
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 16,684,000 | 17,991,000
Accruing Loans 90 or More Days Past Due | 0 | 0
Consumer | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 111,000 | 124,000
Consumer | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 90,000 | 113,000
Consumer | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 0 | 9,000
Consumer | Loans Past Due 90 Days or More |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 21,000 | 2,000
Consumer | Current Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | $ 16,573,000 | $ 17,867,000

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