Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	For the Year Ended December 31,
	2012			2011			2010
	(in thousands)
Current income tax expense	$	24,138		$	24,736		$	14,321
Deferred income tax (benefit)/expense	(1,982		)	(18,939		)	(524		)
Income tax expense	$	22,156		$	5,797		$	13,797

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	For the Year Ended December 31,
	2012			2011			2010
	(dollars in thousands)
Tax expense at statutory rate	$	31,891		$	15,627		$	23,274
Non-taxable dividend income	(2,116		)	(2,116		)	(2,183		)
Income from non-controlling interest	(7,766		)	(7,766		)	(7,248		)
Valuation allowance	6			(254		)	(235		)
Other	141			306			189
Income tax expense	$	22,156		$	5,797		$	13,797
Statutory tax rate	35.0		%	35.0		%	35.0		%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	As of December 31,
	2012			2011
	(in thousands)
Deferred tax assets:
Basis differences related to financial derivatives	$	44,963		$	45,517
Allowance for losses	5,911			6,131
Stock-based compensation	2,111			2,941
Capital loss carryforwards	39,272			39,399
Valuation allowance	(39,272		)	(39,399		)
Lower of cost or fair value adjustment on loans held for sale	2,080			—
Amortization of premiums on capital investments	1,352			1,220
Valuation allowance	(1,352		)	(1,220		)
Other	2,333			3,057
Total deferred tax assets	57,398			57,646
Deferred tax liability:
Basis differences related to securities	13,160			12,139
Unrealized gains on available-for-sale securities	39,829			42,738
Basis difference in subsidiary	1,118			2,916
Other	168			103
Total deferred tax liability	54,275			57,896
Net deferred tax asset/(liability)	$	3,123		$	(250	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	For the Year Ended December 31,
	2012			2011			2010
	(in thousands)
Beginning balance	$	1,175		$	1,454		$	1,392
(Decreases)/increases based on tax positions related to current year	(129		)	(279		)	62
Ending balance	$	1,046		$	1,175		$	1,454