Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Unrecognized tax benefits at beginning of year	$ 1,029	$ 870
Increases relating to positions taken in prior periods	678	336
Increases relating to current period	586	14
Decreases due to settlements with tax authorities	0	(106)
Decreases due to lapse of statute of limitations	(429)	(85)
Unrecognized tax benefits at end of year	$ 1,864	$ 1,029