Variable Interest Entities VIE Carrying Amounts Included in Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CDE (NMTC)
Carrying amounts of the VIEs' assets and liabilities
Loans receivable	$ 36,114	$ 36,077
Premises and equipment, net	0	0
Accrued interest receivable	117	116
Other assets	550	616
Total assets	36,781	36,809
Other borrowed funds	4,555	4,555
Accrued interest payable	4	4
Other liabilities	158	185
Total liabilities	4,717	4,744
LIHTC
Carrying amounts of the VIEs' assets and liabilities
Loans receivable	0	0
Premises and equipment, net	12,991	13,106
Accrued interest receivable	0	0
Other assets	379	258
Total assets	13,370	13,364
Other borrowed funds	1,690	1,690
Accrued interest payable	5	5
Other liabilities	0	0
Total liabilities	$ 1,695	$ 1,695