Loans Held for Investment (Details 2) (USD $)	Sep. 30, 2013
Purchased Credit Impaired
Total purchase credit impaired	$ 2,225,000
Purchased credit impaired loans, nonaccrual status	10,000
Canyon National
Purchased Credit Impaired
Total purchase credit impaired	2,030,000
Palm Desert National
Purchased Credit Impaired
Total purchase credit impaired	195,000
Business loans: Commercial and industrial
Purchased Credit Impaired
Total purchase credit impaired	253,000
Business loans: Commercial and industrial | Canyon National
Purchased Credit Impaired
Total purchase credit impaired	79,000
Business loans: Commercial and industrial | Palm Desert National
Purchased Credit Impaired
Total purchase credit impaired	174,000
Business loans: Commercial owner occupied
Purchased Credit Impaired
Total purchase credit impaired	942,000
Business loans: Commercial owner occupied | Canyon National
Purchased Credit Impaired
Total purchase credit impaired	942,000
Real estate loans: Commercial non-owner occupied
Purchased Credit Impaired
Total purchase credit impaired	1,009,000
Real estate loans: Commercial non-owner occupied | Canyon National
Purchased Credit Impaired
Total purchase credit impaired	1,009,000
Real estate loans: One-to-four family
Purchased Credit Impaired
Total purchase credit impaired	21,000
Real estate loans: One-to-four family | Palm Desert National
Purchased Credit Impaired
Total purchase credit impaired	$ 21,000