Securities (Investments Classified by Contractual Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	$ 5,281
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	12,772
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	5,410
Available-for-sale Securities	77,987	87,528
Held-to-maturity Securities, Debt Maturities, within One Year, Fair Value	17,678
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Fair Value	22,860
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Fair Value	25,162
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	10,516
Held-to-maturity Securities, Fair Value	171,673	150,162
Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis	5,245
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis	12,169
Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis	5,169
Available-for-sale Securities, Amortized Cost Basis	76,007	85,441
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount	17,627
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount	22,691
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	24,714
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	10,462
Held-to-maturity Securities	167,449	146,389
Total Securities, Amortized Cost	243,456	231,830
Total Securities, Estimated Fair Value	249,660	237,690
Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Securities	23,463
Available-for-sale Securities	77,849	87,401
Held-to-maturity Securities, Debt Maturities, Fair Value	76,216
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	22,583
Available-for-sale Securities, Amortized Cost Basis	75,940	85,374
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	75,494
Mortgage-backed and asset-backed securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	54,386
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	95,457
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	53,357
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	91,955
Equity securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities	138	127
Available-for-sale Securities, Amortized Cost Basis	$ 67	$ 67