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Off-Balance Sheet Loan Commitments - Summary of Financial Instruments with Off-Balance Sheet Risk - (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Unused lines of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Financial instruments, off balance sheet risk, fixed rate | $ 26,029 | $ 43,406
Financial instruments, off balance sheet risk, variable rate | 523,483 | 547,430
Financial instruments, off balance sheet risk | 549,512 | 590,836
Standby letters of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Financial instruments, off balance sheet risk, fixed rate | 11,090 | 5,464
Financial instruments, off balance sheet risk, variable rate | 5,409 | 8,429
Financial instruments, off balance sheet risk | 16,499 | 13,893
Commitments to purchase loans |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Financial instruments, off balance sheet risk, fixed rate | 0 | 0
Financial instruments, off balance sheet risk, variable rate | 108,423 | 66,373
Financial instruments, off balance sheet risk | 108,423 | 66,373
Mortgage warehouse commitments |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Financial instruments, off balance sheet risk, fixed rate | 0 | 0
Financial instruments, off balance sheet risk, variable rate | 823,060 | 417,722
Financial instruments, off balance sheet risk | $ 823,060 | $ 417,722

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123345438&loc=d3e61044-112788 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123345438&loc=d3e61082-112788 + Details
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- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at interest rates that increase or decrease depending on certain facts or circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123345438&loc=d3e61082-112788 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123345438&loc=d3e61044-112788 + Details
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