Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2011

Deposits and Regulatory Matters [Abstract]

Actual amount and capital ratios of the Company and the Bank

	Actual					For Capital Adequacy Purposes						To Be Well Capitalized under Prompt Corrective Action Provisions
	Amount (000s)		Ratio			Amount (000s)			Ratio			Amount (000s)			Ratio
As of December 31, 2011:
Total Capital (to Risk-Weighted Assets)
Company	$	774,809		19.05	%	$	325,379	>		8.00	%					N/A
Bank	$	756,702		18.63	%	$	324,939	>		8.00	%	$	406,174	>		10.00	%
Tier I Capital (to Risk- Weighted Assets)
Company	$	723,329		17.79	%	$	162,637	>		4.00	%					N/A
Bank	$	705,273		17.36	%	$	162,505	>		4.00	%	$	243,758	>		6.00	%
Tier I Capital (to Average-Assets)
Company	$	723,329		11.19	%	$	258,563	>		4.00	%					N/A
Bank	$	705,273		10.92	%	$	258,342	>		4.00	%	$	322,927	>		5.00	%
As of December 31, 2010:
Total Capital (to Risk-Weighted Assets)
Company	$	741,073		18.00	%	$	329,366	>		8.00	%					N/A
Bank	$	732,896		17.82	%	$	329,022	>		8.00	%	$	411,277	>		10.00	%
Tier I Capital (to Risk-Weighted Assets)
Company	$	683,811		16.61	%	$	164,675	>		4.00	%					N/A
Bank	$	680,680		16.55	%	$	164,515	>		4.00	%	$	246,772	>		6.00	%
Tier I Capital (to Average-Assets)
Company	$	683,811		10.58	%	$	258,530	>		4.00	%					N/A
Bank	$	680,680		10.54	%	$	258,323	>		4.00	%	$	322,903	>		5.00	%