Other Intangible Assets (Activity for Capitalized MSRs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Intangible Assets [Roll Forward]
Total other intangible assets, Balance at beginning of year	$ 15,388
Amortization	(3,492)	(3,969)	(3,615)
Total other intangible assets, Balance at end of year	13,424	15,388
Mortgage servicing rights [Member]
Other Intangible Assets [Roll Forward]
Total other intangible assets, Balance at beginning of year	3,478	3,593
Additions	1,528	2,285	1,566
Amortization	(1,583)	(2,400)	(1,755)
Total other intangible assets, Balance at end of year	$ 3,423	$ 3,478	$ 3,593