Recent Authoritative Accounting Guidance (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of Investments in Other Assets, Noncurrent	4	4
Accounting Standards Update 2014-01 [Member] | Investment in Affordable Housing Projects [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Commitment, Due in Next Twelve Months	$ 99	$ 99
Other Commitment, Due in Second Year	5,604	5,604
Other Commitment, Due in Third Year	32	32
Other Commitment, Due in Fourth Year	32	32
Other Commitment, Due in Fifth Year	32	32
Other Commitment, Due Sixth Year	32	32
Other Commitment, Due Seventh Year	32	32
Other Commitment, Due Eighth Year	32	32
Other Commitment, Due Ninth Year	21	21
Other Commitment, Due Tenth Year	21	21
Accounting Standards Update 2014-01 [Member] | Investment in Affordable Housing Projects [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Assets	4,758	4,758
Current Income Tax Expense (Benefit)	$ 7	$ 21