Investment Securities, Equity Securities with Readily Determinable Fair Values and Other Investments (Other Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other investments
LIHTC
Investments	$ 236,718	$ 179,543
Other liabilities
LIHTC
Unfunded commitments	$ 45,890	$ 40,094

Amount of commitment or contingent commitments to qualified affordable housing project investments.

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 https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

Name:	us-gaap_QualifiedAffordableHousingProjectInvestmentsCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant