Consideration Transferred for CommerceFirst's Common Equity and Amounts of Acquired Identifiable Assets and Liabilities Assumed (Detail) (CommerceFirst Bancorp, Inc., USD $) In Thousands, unless otherwise specified	May 31, 2012
CommerceFirst Bancorp, Inc.
Purchase Price:
Value of common share issued	$ 13,023
Cash	12,381
Total purchase price	25,404
Cash and due from banks	11,532
Investments	502
Loans and leases	168,984
Other Real Estate Owned	4,232
Intangible assets	210
Other assets	5,432
Total identifiable assets	190,892
Deposits	169,921
Other Liabilities	643
Total liabilities	170,564
Net goodwill resulting from acquisition	$ 5,076