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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Operating lease commitments, total	$ 1,353
Operating lease commitments, less than 1 year	556
Operating lease commitments, 1 to 3 years	671
Operating lease commitments, 3 to 5 years	126
Operating lease commitments, over 5 years	0
Time Deposits, total	120,893
Time Deposits, less than 1 year	110,503
Time Deposits, 1 to 3 years	7,937
Time Deposits, 3 to 5 years	2,453
Time Deposits, over 5 years	0
Commitment, total	122,246
Commitment, less than 1 year	111,059
Commitment, 1 to 3 years	8,608
Commitment, 3 to 5 years	2,579
Commitment, over 5 years	$ 0

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