Deposits - Summary of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract]
Interest-bearing demand	$ 2,262	$ 4,229	$ 8,794
Money market	3,218	9,423	18,169
Savings	586	3,518	7,053
Time deposits	7,332	18,699	19,642
Total customer interest expense	13,398	35,869	53,658
Brokered deposits	1,525	3,393	6,417
Total interest expense on deposits	$ 14,923	$ 39,262	$ 60,075

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- Definition

Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.

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- Definition

Aggregate amount of interest expense on all deposits.

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- Definition

Amount of interest expense on domestic brokered deposit liabilities.

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- Definition

Amount of interest expense on domestic retail deposit liabilities.

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Interest expense incurred on all money market deposits.

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- Definition

Interest expense incurred on all savings account deposits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.6)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (a)

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
-Subparagraph (1)

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The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.

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