REGULATORY CAPITAL REQUIREMENTS (Tables)

12 Months Ended

Dec. 31, 2012

Regulatory Capital Requirements [Abstract]

Schedule of the Regulatory Capital Ratios and Minimum Regulatory Requirements

The following table shows the regulatory capital ratios of the Company and the Banks and the minimum regulatory requirements (dollars in thousands):

	Actual				Minimum for Capital Adequacy Purposes				Minimum to be Categorized as “Well-Capitalized” Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
December 31, 2012:
The Company—consolidated:
Total capital to risk-weighted assets	$	581,796	16.96	%	$	274,460	8.00	%	n/a		n/a
Tier 1 capital to risk-weighted assets	538,485		15.70		137,230		4.00		n/a		n/a
Tier 1 leverage capital to average assets	538,485		12.74		169,035		4.00		n/a		n/a
Banner Bank:
Total capital to risk- weighted assets	533,128		16.38		260,390		8.00		$	325,488	10.00	%
Tier 1 capital to risk- weighted assets	492,025		15.12		130,195		4.00		195,293		6.00
Tier 1 leverage capital to average assets	492,025		12.29		160,104		4.00		200,130		5.00
Islanders Bank:
Total capital to risk- weighted assets	32,913		17.53		15,019		8.00		18,773		10.00
Tier 1 capital to risk- weighted assets	30,558		16.28		7,509		4.00		11,264		6.00
Tier 1 leverage capital to average assets	30,558		13.02		9,388		4.00		11,735		5.00
December 31, 2011:
The Company—consolidated:
Total capital to risk-weighted assets	$	615,092	18.07	%	$	272,344	8.00	%	n/a		n/a
Tier 1 capital to risk-weighted assets	572,036		16.80		136,172		4.00		n/a		n/a
Tier 1 leverage capital to average assets	572,036		13.44		170,242		4.00		n/a		n/a
Banner Bank:
Total capital to risk- weighted assets	511,594		15.81		258,900		8.00		$	323,625	10.00	%
Tier 1 capital to risk- weighted assets	470,668		14.54		129,450		4.00		194,175		6.00
Tier 1 leverage capital to average assets	470,668		11.71		160,721		4.00		200,902		5.00
Islanders Bank:
Total capital to risk- weighted assets	30,627		16.06		15,255		8.00		19,068		10.00
Tier 1 capital to risk- weighted assets	28,237		14.81		7,627		4.00		11,441		6.00
Tier 1 leverage capital to average assets	28,237		12.08		9,351		4.00		11,689		5.00