Fair Value Measurements Notional Amount of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Notional Disclosures [Abstract]
Best efforts contracts and related committed IRLCs	$ 2,494	$ 1,184
Uncommitted IRLCs	49,710	25,854
FMBSs related to uncommitted IRLCs	48,000	26,000
Best efforts contracts and related mortgage loans held for sale	63,386	25,441
FMBSs related to mortgage loans held for sale	20,000	44,000
Mortgage loans held for sale covered by FMBSs	$ 19,884	$ 44,524

Best Effort Contracts and Related Mortgage Loans Held for Sale

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Forward Sales of Mortgage-Backed Securities Related to Mortgage Loans Held for Sale

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Forward Sales of Mortgage-Backed Securities related to Uncommitted Interest Rate Lock Commitments

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Mortgage Loans Held for Sale Covered by Forward Sales of Mortgage-Backed Securities

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Notional Amount of Best Effort Contracts and Related Committed Interest Rate Lock Commitments

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Notional Amount of Uncommitted Interest Rate Lock Commitments

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