Variable Interest Entities - Future Unfunded Contingent Commitments (Details) - Qualified Affordable Housing Project Investments $ in Thousands	Sep. 30, 2021 USD ($)
Other Commitments
Unfunded contingent commitments expected to be fulfilled in 2021	$ 7,237
Unfunded contingent commitments expected to be fulfilled in 2022	28,759
Unfunded contingent commitments expected to be fulfilled in 2023	26,446
Unfunded contingent commitments expected to be fulfilled in 2024	8,937
Unfunded contingent commitments expected to be fulfilled in 2025	300
Unfunded contingent commitments expected to be fulfilled thereafter	1,178
Unfunded contingent commitments	$ 72,857

Other Commitment, to be Paid, After Year Four

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Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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Amount of commitment classified as other to be paid in remainder of current fiscal year.

+ References

No definition available.

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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 commitment or contingent commitments to qualified affordable housing project investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

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