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Mortgage Repurchase Reserve	12 Months Ended
Mortgage Repurchase Reserve	Dec. 31, 2017
Mortgage Repurchase Reserve [Abstract]
Mortgage Repurchase Reserve	Mortgage Repurchase Reserve During the years ended December 31, 2017, 2016 and 2015, the Company recognized pre-tax charges for loan losses related to mortgage loans sold of approximately $2,900, $2,000 and $2,700, respectively. Included in the Mortgage Banking segment’s “Accounts payable and other liabilities” line item on the accompanying consolidated balance sheets is a mortgage repurchase reserve equal to approximately $14,000 and $12,700 at December 31, 2017 and 2016, respectively.