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Deposits - Summary of Major Types of Deposits (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
Non-interest-bearing	$ 1,352,520	$ 1,151,362
Interest-bearing checking	2,400,192	2,350,106
Money market deposit	666,067	569,680
Savings	922,113	877,177
Time deposits	949,593	866,244
Total deposits	$ 6,290,485	$ 5,814,569

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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)
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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.

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

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Amount of interest-bearing domestic checking deposit liabilities.

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

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Amount of time deposit liabilities, including certificates of deposit.

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