Deposits (Balances for Core Deposits and Time Deposits) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Core Deposits
Noninterest-bearing demand	$ 22,845,464	$ 16,298,301
Interest-bearing checking	6,524,721	6,142,193
Money market	13,130,300	10,740,667
Savings	2,888,065	2,681,242
Time deposits	7,961,982
Total deposits	53,350,532	44,862,752
Time deposits:
Time deposits, at or above FDIC insurance limit	5,950,000	6,620,000
Domestic office
Core Deposits
Time deposits	6,940,013	8,159,641
Foreign office
Core Deposits
Time deposits	$ 1,021,969	$ 840,708

Core Deposits [Abstract]

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- Definition

Core Deposits [Line Items]

+ References

No definition available.

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- Definition

Amount of interest-bearing checking deposit liabilities.

+ References

No definition available.

+ Details

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

+ References

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- Definition

Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

+ References

+ Details

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- Definition

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

+ References

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- Definition

Amount of time deposit liabilities, including certificates of deposit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

+ References

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