Loans (Details 10) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012 Loans	Jun. 30, 2011 Loans
Summary of loans modified
Number of contracts	18	1
Pre-modification outstanding recorded investment	6,391
Post- modification outstanding recorded investment	6,386
Construction, land development, and other land loans [Member]
Summary of loans modified
Number of contracts	1
Pre-modification outstanding recorded investment
Post- modification outstanding recorded investment	4,089
Nonfarm nonresidential [Member]
Summary of loans modified
Number of contracts	6
Pre-modification outstanding recorded investment	1,811
Post- modification outstanding recorded investment	1,811
Single Family Residential Closed End First Lien [Member]
Summary of loans modified
Number of contracts	1
Pre-modification outstanding recorded investment	70
Post- modification outstanding recorded investment	70
Total Commercial real estate [Member]
Summary of loans modified
Number of contracts	7
Pre-modification outstanding recorded investment	5,900
Post- modification outstanding recorded investment	5,900
Commercial and Industrial [Member]
Summary of loans modified
Number of contracts	2
Pre-modification outstanding recorded investment	421
Post- modification outstanding recorded investment	416
Other Loans Held For Sale [Member]
Summary of loans modified
Number of contracts
Pre-modification outstanding recorded investment
Post- modification outstanding recorded investment
Loans gross [Member]
Summary of loans modified
Number of contracts	10
Pre-modification outstanding recorded investment	6,391
Post- modification outstanding recorded investment	6,386