Mortgage Servicing Rights (Fair value method rollforward) (Details) (Servicing Contracts, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Servicing Contracts
Change in carring value of the mortgage servicing rights accounted for under the fair value measurement method
Balance at Beginning of Period	$ 3,826	$ 4,761
Change in Fair Value:
Due to Change in Valuation Assumptions	(349)	34
Due to Payoffs	(96)	(359)
Total Changes in Fair Value of Mortgage Servicing Rights	(445)	(325)
Balance at End of Period	$ 3,381	$ 4,436