Deposits and Related Interest (Deposits by Components) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Deposits, by Component, Alternative [Abstract]
Noninterest-bearing demand deposit	$ 1,071,648	$ 969,525
Interest-bearing saving and demand deposits	2,274,855	2,274,116
Individual Retirement Account	219,427	231,376
Retail certificates of deposists	592,307	595,983
Institutional certificates of deposits	200,595	209,951
Total Core Deposits	4,358,832	4,280,951
Brokered Deposists	474,596	518,531
Deposits, Total	$ 4,833,428	$ 4,799,482

Amount of interest-bearing domestic certificate of institutional deposit liabilities.

No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-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=6876686&loc=d3e534808-122878

+ Details

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- References

No definition available.

+ Details

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- Definition

The aggregate amount of all retail deposit accounts including demand accounts, savings accounts, and certificates of deposit.

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

+ References

+ Details

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- Definition

Amount of interest-bearing domestic certificate of deposit liabilities.

+ References

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

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

+ References

+ Details

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