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Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Cash and cash equivalents and restricted cash and cash equivalents
Cash	$ 4,659	$ 4,612
Money Market Funds	351,666	225,073
Cash and cash equivalents	356,325	229,685	323,110	133,645
Cash and cash Equivalents, % by Institution	100.00%	100.00%
Restricted cash and cash equivalents	74,274	78,312
Restricted cash and cash Equivalents, % by Institution	100.00%	100.00%
Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents	19,979	30,220
State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents	54,295	48,092
U .S. Bank IT&C [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash
Money Market Funds	40,475	40,474
Cash and cash equivalents	40,475	40,474
Cash and cash Equivalents, % by Institution	11.40%	17.60%
Restricted cash and cash equivalents	800	800
Restricted cash and cash Equivalents, % by Institution	1.10%	1.00%
U .S. Bank IT&C [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
U .S. Bank IT&C [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents	800	800
Sun Trust Bank [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash	1,106	1,629
Money Market Funds
Cash and cash equivalents	1,106	1,629
Cash and cash Equivalents, % by Institution	0.30%	0.70%
Restricted cash and cash equivalents
Restricted cash and cash Equivalents, % by Institution
Sun Trust Bank [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Sun Trust Bank [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Sun Trust Bank Escrow Services [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash
Money Market Funds	311,029	182,701
Cash and cash equivalents	311,029	182,701
Cash and cash Equivalents, % by Institution	87.30%	79.50%
Restricted cash and cash equivalents
Restricted cash and cash Equivalents, % by Institution
Sun Trust Bank Escrow Services [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Sun Trust Bank Escrow Services [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Wells Fargo Bank N.A. [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash	1,520	1,244
Money Market Funds	3	14
Cash and cash equivalents	1,523	1,258
Cash and cash Equivalents, % by Institution	0.40%	0.50%
Restricted cash and cash equivalents
Restricted cash and cash Equivalents, % by Institution
Wells Fargo Bank N.A. [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Wells Fargo Bank N.A. [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Bank of New York Mellon Trust Co. [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash
Money Market Funds
Cash and cash equivalents
Cash and cash Equivalents, % by Institution
Restricted cash and cash equivalents	19,979	30,220
Restricted cash and cash Equivalents, % by Institution	26.90%	38.60%
Bank of New York Mellon Trust Co. [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents	19,979	30,220
Bank of New York Mellon Trust Co. [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Florida Department of Financial Services [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash
Money Market Funds
Cash and cash equivalents
Cash and cash Equivalents, % by Institution
Restricted cash and cash equivalents	53,495	47,292
Restricted cash and cash Equivalents, % by Institution	72.00%	60.40%
Florida Department of Financial Services [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
Florida Department of Financial Services [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents	53,495	47,292
All Other Banking Institutions/States [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Cash	2,033	1,739
Money Market Funds	159	1,884
Cash and cash equivalents	2,192	3,623
Cash and cash Equivalents, % by Institution	0.60%	1.60%
Restricted cash and cash equivalents
Restricted cash and cash Equivalents, % by Institution
All Other Banking Institutions/States [Member] | Funds held in Trust [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents
All Other Banking Institutions/States [Member] | State Deposits [Member]
Cash and cash equivalents and restricted cash and cash equivalents
Restricted cash and cash equivalents

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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