Shareholders Equity (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Accumulated other comprehensive (loss) income, Beginning Balance	$ (18,946)
OCI before reclassifications	132,887
Amounts reclassified from AOCI	(42,404)
Net current period OCI	90,483
Accumulated other comprehensive (loss) income, Ending Balance	71,537
Unrealized gain (loss) on securities available for sale [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	19,432
OCI before reclassifications	142,281
Amounts reclassified from AOCI	(42,404)
Net current period OCI	99,877
Accumulated other comprehensive (loss) income, Ending Balance	119,309
Pro Rata Share Of Non Consolidated Subsidiaries Oci [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	11,313
OCI before reclassifications	(22,814)
Amounts reclassified from AOCI	0
Net current period OCI	(22,814)
Accumulated other comprehensive (loss) income, Ending Balance	(11,501)
Change in value of interest rate Swap [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	(50,065)
OCI before reclassifications	18,183
Amounts reclassified from AOCI	0
Net current period OCI	18,183
Accumulated other comprehensive (loss) income, Ending Balance	(31,882)
Other [Member]
Accumulated other comprehensive (loss) income, Beginning Balance	374
OCI before reclassifications	(4,763)
Amounts reclassified from AOCI	0
Net current period OCI	(4,763)
Accumulated other comprehensive (loss) income, Ending Balance	$ (4,389)