Fair Value of Assets and Liabilities (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Losses recognized in earnings for trust preferred securities held
Beginning balance	$ 140	$ 351	$ 140	$ 351	$ 140	$ 351
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized	0	0	0	0	0	0
Ending balance					140	351
Trapeza IX B-1
Losses recognized in earnings for trust preferred securities held
Moody's/Fitch Rating					Ca/CC	Ca/CC
Beginning balance	140	140	140	140	140	140
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized	0	0	0	0	0	0
Ending balance					140	140
PreTSL XXIII Class C-FP
Losses recognized in earnings for trust preferred securities held
Moody's/Fitch Rating						Ca/C
Beginning balance		211		211		211
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized		0		0		0
Ending balance						$ 211