Deposits - Interest Bearing Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Interest-bearing Deposit Liabilities, Domestic, by Component [Abstract]
Money market	$ 10,159,657	$ 9,616,547
Savings	907,976	718,616
Certificates of deposit	11,597,266	13,947,743
Deposits - interest bearing	$ 22,664,899	$ 24,282,906
Year-End Weighted Average Stated Rate
Money market	0.83%	2.04%
Savings	0.55%	1.71%
Certificates of deposit	1.34%	2.44%

The aggregate of all domestic and foreign interest-bearing deposit liabilities.

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 interest-bearing domestic money market demand account deposit liabilities.

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Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.

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Amount of interest-bearing domestic time deposits. Time deposits bear interest for a fixed, stated period of time and include certificate of deposits and individual retirement accounts.

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The weighted average interest rate for domestic money market demand account deposit liabilities.

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The weighted average interest rate for domestic savings deposit liabilities.

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The weighted average interest rate for domestic time deposit liabilities.

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