Short-Term Borrowings - Average Balances and Cost of Funds (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Short-term Debt [Line Items]
Average Balances	$ 13,409	$ 356,853	$ 123,444
Cost of Funds	0.29%	1.07%	2.43%
Federal Home Loan Bank short-term advances
Short-term Debt [Line Items]
Average Balances	$ 0	$ 345,601	$ 114,965
Cost of Funds	0.00%	1.09%	2.59%
Federal funds purchased
Short-term Debt [Line Items]
Average Balances	$ 747	$ 363	$ 0
Cost of Funds	0.33%	0.00%	0.00%
Securities sold under agreements to repurchase
Short-term Debt [Line Items]
Average Balances	$ 12,662	$ 10,889	$ 8,479
Cost of Funds	0.29%	0.30%	0.15%

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.

No definition available.

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

+ References

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

Reference 2: 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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