Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2014

Banking and Thrift [Abstract]

Regulatory Capital Amounts and Ratios for Company and Bank

The following table summarizes regulatory capital amounts and ratios for the Company and the Bank as of December 31, 2014, and 2013:

												To Be Well Capitalized
						For Capital						under Prompt Corrective
	Actual					Adequacy Purposes						Action Provisions
	Amount		Ratio			Amount			Ratio			Amount			Ratio
	(Dollars in thousands)
As of December 31, 2014:
Total Capital (to Risk- Weighted Assets)
Company	$	853,147		18.24	%	$	374,144	³		8.00	%					N/A
Bank	$	845,951		18.11	%	$	373,758	³		8.00	%	$	467,197	³		10.00	%
Tier I Capital (to Risk- Weighted Assets)
Company	$	794,576		16.99	%	$	187,072	³		4.00	%					N/A
Bank	$	787,439		16.85	%	$	186,879	³		4.00	%	$	280,318	³		6.00	%
Tier I Capital (to Average- Assets)
Company	$	794,576		10.86	%	$	292,615	³		4.00	%					N/A
Bank	$	787,439		10.77	%	$	292,392	³		4.00	%	$	365,490	³		5.00	%
As of December 31, 2013:
Total Capital (to Risk- Weighted Assets)
Company	$	801,719		19.09	%	$	336,008	³		8.00	%					N/A
Bank	$	794,239		18.93	%	$	335,740	³		8.00	%	$	419,675	³		10.00	%
Tier I Capital (to Risk- Weighted Assets)
Company	$	748,825		17.83	%	$	168,004	³		4.00	%					N/A
Bank	$	741,386		17.67	%	$	167,870	³		4.00	%	$	251,805	³		6.00	%
Tier I Capital (to Average- Assets)
Company	$	748,825		11.30	%	$	265,035	³		4.00	%					N/A
Bank	$	741,386		11.20	%	$	264,893	³		4.00	%	$	331,117	³		5.00	%