Mortgage Servicing Rights Summary of Changes in Mortgage Servicing Rights (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Valuation Allowance:
Mortgage Servicing Rights (MSR) Impairment (Recovery)		$ (2,130,000)
Servicing Asset at Fair Value, Amount	48,200,000
Residential Mortgage [Member]
Amortized Cost:
Balance at beginning of period	42,452,000	39,737,000
Originations of mortgage servicing rights	1,115,000	4,227,000
Amortization	(1,899,000)	(2,958,000)
Balance at end of period	41,668,000	41,006,000
Valuation Allowance:
Valuation Allowance	0	(3,680,000)
Net MSRs at end of period	$ 41,668,000	$ 37,326,000