Commitments and Contingencies Details (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Loans and Leases Receivable Commitments	$ 1,818,694	$ 1,001,740
Guarantor Obligations, Maximum Exposure, Undiscounted	82,207	39,200
Loans and Leases Receivable, Commitments to Purchase or Sell	6,199	8,475
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 1,907,100	$ 1,049,415