Maturity of Long-Term FHLB Advances and Other Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Total	$ 191,645	$ 161,315
Federal Home Loan Bank Advances And Other Borrowings
Within one year	3,903	35,458
Over one year through five years	172,742	104,244
Over five years through ten years	15,000	21,613
Total	$ 191,645	$ 161,315