Deposits and Related Interest (Deposits by Components) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deposits, by Component, Alternative [Abstract]
Noninterest-bearing demand deposit	$ 792,110	$ 745,570
Interest-bearing saving and demand deposits	2,330,018	2,544,664
Individual Retirement Account	272,276	302,622
Retail certificates of deposists	456,320	452,150
Institutional certificates of deposits	213,224	260,090
Total Core Deposits	4,063,948	4,305,096
Brokered Deposists	653,126	619,310
Deposits, Total	$ 4,717,074	$ 4,924,406

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

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- References

No definition available.

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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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