Fair Value - Summary of loans accounted for under the fair value option (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Fair Value, Option, Quantitative Disclosures [Line Items]
Residential loans held for sale	$ 114,131	$ 208,704
Interest income	47,543	43,730
Residential loans held for sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Contractual balance	110,335	199,974
Interest income	3,717	2,684
Gain (loss)	3,796	8,730
Change in fair value	(4,934)	6,049
Total gain (loss)	(1,217)	8,733
SBA Loan
Fair Value, Option, Quantitative Disclosures [Line Items]
Contractual balance	9,429	9,263
Interest income	559	725
Gain (loss)	185	1
Change in fair value	184	1
Total gain (loss)	$ 743	$ 726

Far Value, Option, Loans As Assets, Contractual Balance

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- Definition

Interest Income, Operating And Fair Value Option, Changes In Fair Value, Gain (Loss)

+ References

No definition available.

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- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612

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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.

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- Definition

Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

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