Intangible Assets (Activity for Capitalized MSRs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Capitalized MSRs [Roll Forward]
Balance at beginning of period	$ 13,424
Amortization	(695)	(1,001)
Balance at end of period	12,872	14,902
Mortgage servicing rights [Member]
Capitalized MSRs [Roll Forward]
Balance at beginning of period	3,423	3,478
Additions	143	515
Amortization	(250)	(508)
Balance at end of period	$ 3,316	$ 3,485