Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Balance, beginning of period	$ 53,090	$ 53,090	$ 48,963	$ 53,090	$ 48,963
Additions	0	0	6,720	0	6,720
Fully amortized portion	0	0	1,293	0	1,293
Write-off due to the asset financing segment reorganization	0	0	(804)	0	(804)
Balance, end of period	53,090	53,090	53,090	53,090	53,090
Accumulated Amortization, beginning of period	(37,387)	(35,886)	(33,079)	(35,886)	31,715
Amortization	(1,502)	(1,501)	(1,677)	(3,003)	(3,041)
Accumulated Amortization, end of period	(38,889)	(37,387)	(32,659)	(38,889)	(32,659)
Finite-Lived Intangible Assets, Net	14,201	15,703	20,431	14,201	20,431
CDI and CRI [Member]
Finite-Lived Intangible Assets [Line Items]
Fully amortized portion	0	0	1,293	0	(1,293)
Write-off due to the asset financing segment reorganization	$ 0	$ 0	$ (1,300)	$ 0	$ (1,300)