Securities Restricted Equity Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Restricted Equity Securities [Abstract]
Federal Reserve stock	$ 35,018us-gaap_FederalReserveBankStock	$ 35,018us-gaap_FederalReserveBankStock	$ 33,741us-gaap_FederalReserveBankStock
Federal Home Loan Bank stock	177,667us-gaap_FederalHomeLoanBankStock	106,476us-gaap_FederalHomeLoanBankStock	51,902us-gaap_FederalHomeLoanBankStock
Total	$ 212,685	$ 141,494	$ 85,643

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 325

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809

+ Details

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- Definition

Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.

+ References

No definition available.

+ Details

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- Definition

Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

+ Details

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