Consolidated Statements Of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Consolidated Statements Of Comprehensive Income [Abstract]      
Net income $ 21,030 $ 17,435 $ 16,187
Other comprehensive income:      
Unrealized gain (loss) on available for sale securities 5,784 (8,942) (133)
Reclassification adjustment for net gains arising during the period (1,884)   (100)
Change in fair value of derivative used for cash flow hedge 381 1,228 (361)
Other comprehensive income (loss), before tax 4,281 (7,714) (594)
Tax (expense) benefit related to items of other comprehensive income (loss) (1,665) 2,975 211
Other comprehensive income (loss), net of tax 2,616 (4,739) (383)
Comprehensive income $ 23,646 $ 12,696 $ 15,804