Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Cash and cash equivalents, Carrying Amount	$ 269,853	$ 141,088	$ 156,662	$ 235,962
Investment securities, Carrying Amount	276,428	341,935
Loans, net, Carrying Amount	658,470	675,376
Accrued interest receivable, Carrying Amount	5,486	6,276
Assets, Carrying Amount	1,210,237	1,164,675
Cash and cash equivalents, Fair Value	269,853	141,088
Investment securities, Fair Value	276,428	341,935
Loans, net, Fair Value	657,805	676,675
Accrued interest receivable, Fair Value	5,486	6,276
Assets, Fair Value	1,209,572	1,165,974
Deposits	541,009	563,708
Accounts and drafts payable	606,070	522,761
Accrued interest payable, Carrying Amount	94	112
Liabilities, Carrying Amount	1,147,173	1,086,581
Deposits, Fair Value	541,417	564,189
Accounts and drafts payable, Fair Value	606,070	522,761
Accrued interest payable, Fair Value	94	112
Liabilities, Fair Value	$ 1,147,581	$ 1,087,062

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business and includes carrying value of amounts due on drafts payable on the balance sheet date.

No definition available.