Capital (Tables)

9 Months Ended

Sep. 30, 2013

Capital [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

The following table summarizes the Bank’s compliance with those capital requirements as of September 30, 2013 and December 31, 2012 (dollars in thousands):

	September 30, 2013						December 31, 2012
	Required			Actual			Required			Actual
Regulatory capital requirements:
Risk-based capital	$	453,982		$	1,808,663		$	404,265		$	1,793,383
Total capital	$	1,252,793		$	1,808,663		$	1,430,213		$	1,793,383
Total capital-to-assets ratio	4.00		%	5.77		%	4.00		%	5.02		%
Leverage capital	$	1,565,991		$	2,712,995		$	1,787,766		$	2,690,075
Leverage capital-to-assets ratio	5.00		%	8.66		%	5.00		%	7.52		%