VIE Carrying Amounts Included in Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CDE (NMTC)
Carrying amounts of the entities assets and liabilities
Loans receivable	$ 35,956	$ 35,480
Premises and equipment, net	0	0
Accrued interest receivable	113	117
Other assets	903	1,114
Total assets	36,972	36,711
Other borrowed funds	4,555	4,555
Accrued interest payable	4	4
Other liabilities	92	182
Total liabilities	4,651	4,741
LIHTC
Carrying amounts of the entities assets and liabilities
Loans receivable	0	0
Premises and equipment, net	13,641	16,066
Accrued interest receivable	0	0
Other assets	153	143
Total assets	13,794	16,209
Other borrowed funds	1,723	3,639
Accrued interest payable	5	6
Other liabilities	203	136
Total liabilities	$ 1,931	$ 3,781