Securities (Securities held to maturity (debt maturities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Due in 1 year or less, Amortized Cost	$ 0
Due in 1 to 5 years, Amortized Cost	1,282
Due in 5 to 10 years, Amortized Cost	9,350
Due after 10 years, Amortized Cost	37,636
Total debt securities, Amortized Cost	48,268
Mortgage-backed securities, Amortized Cost	6,931
Total investment securities, Amortized Cost	55,199
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due in 1 year or less, Estimated Fair Value	0
Due in 1 to 5 years, Estimated Fair Value	1,282
Due in 5 to 10 years, Estimated Fair Value	9,350
Due after 10 years, Estimated Fair Value	37,636
Total debt securities, Estimated Fair Value	48,268
Mortgage-backed securities, Estimated Fair Value	6,927
Total investment securities, Estimated Fair Value	$ 55,195

Held-to-maturity Securities, Excluding Securities without Single Maturity Date, Fair Value

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- Definition

Held-to-maturity Securities, Excluding Securities without Single Maturity Date, Net Carrying Amount

+ References

No definition available.

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- Definition

Amount of held-to-maturity debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the fifth through tenth fiscal year following the latest fiscal year.

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- Definition

Amount of held-to-maturity debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the next fiscal year through the fifth fiscal year following the latest fiscal year.

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Amount of held-to-maturity debt securities at fair value maturing after the tenth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing after the tenth fiscal year following the latest fiscal year.

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- Definition

This item represents the total of all debt securities grouped by maturity dates, at fair value, which are categorized as held-to-maturity.

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Amount of held-to-maturity debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

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Amount of held-to-maturity debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings.

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