Derivative Financial Instruments, Effect on Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011
Cash Flow Hedge [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Other Comprehensive Income (Loss) (Effective Portion)	$ (54)		$ (215)	$ (129)		$ (478)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	(237)		(345)	(833)		(1,117)
Gain (Loss) Recognized in Income	0	[1]	3	0	[1]	0
Cash Flow Hedge [Member] | Pay Fixed Interest-Rate Swap Agreement [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Other Comprehensive Income (Loss) (Effective Portion)	(54)		(215)	(129)		(508)
Gain (Loss) Recognized in Income	0	[1]	3	0	[1]	0
Cash Flow Hedge [Member] | Pay Fixed Interest-Rate Swap Agreement [Member] | Interest Expense [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	(237)		(345)	(833)		(1,102)
Cash Flow Hedge [Member] | Interest-Rate Cap Agreement [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Other Comprehensive Income (Loss) (Effective Portion)	0		0	0		30
Gain (Loss) Recognized in Income	0	[1]	0	0	[1]	0
Cash Flow Hedge [Member] | Interest-Rate Cap Agreement [Member] | Interest Expense [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion)	0		0	0		(15)
No Hedge Designation [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Income	(7)	[1]	59	850	[1]	(142)
No Hedge Designation [Member] | Rate-Lock Mortgage Loan Commitments [Member] | Net Mortgage Loan Gains [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Income	804	[1]	369	1,930	[1]	468
No Hedge Designation [Member] | Mandatory Commitments to Sell Mortgage Loans [Member] | Net Mortgage Loan Gains [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Income	(779)	[1]	(339)	(869)	[1]	(1,635)
No Hedge Designation [Member] | Amended Warrant [Member] | (Increase) Decrease in Fair Value of U.S. Treasury Warrants [Member]
Effect of derivative financial instruments on the condensed consolidated fianancial statements of operations [Abstract]
Gain (Loss) Recognized in Income	$ (32)	[1]	$ 29	$ (211)	[1]	$ 1,025

[1] For cash flow hedges, this location and amount refers to the ineffective portion.