Deposits and Related Interest (Maturities of Time Deposits) (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Maturities of Time Deposits [Abstract]
Time Deposit Maturities Less Than Three Month	$ 474,051
Time Deposit Maturities Three To Twelve Month	501,551
Total Time deposits	975,602
Time Deposit Maturities, Year Two	454,906
Time Deposit Maturities, Year Three	176,406
Time Deposit Maturities, Year Four	32,396
Time Deposit Maturities, Year Five	33,715
Certificates of deposit	$ 1,673,025

Time Deposit Maturities Less Than Three Month

No definition available.

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- Definition

Time Deposit Maturities Three To Twelve Month

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No definition available.

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- Definition

Total Time Deposits Excluding Equity Indexes Options

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No definition available.

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- References

No definition available.

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- Definition

Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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