Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Accumulated amortization of intangible assets

	March 31, 2013
	Gross Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount
Core deposit intangibles	$	16,759	$	(10,848	)	$	5,911
Non-compete covenant	102		(83		)	19
Lease intangible	618		(493		)	125
	$	17,479	$	(11,424	)	$	6,055
	December 31, 2012
	Gross Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount
Core deposit intangibles	16,759		(10,546		)	6,213
Non-compete covenant	102		(76		)	26
Lease intangible	$	618	$	(484	)	$	134
	$	17,479	$	(11,106	)	$	6,373
	March 31, 2012
	Gross Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount
Core deposit intangibles	$	16,759	$	(9,246	)	$	7,513
Non-compete covenant	102		(70		)	32
Lease intangible	618		(407		)	211
	$	17,479	$	(9,723	)	$	7,756