Allowance for Loan Losses (Schedule of Credit Losses Related to Acquired Financing Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision/(recapture) for loan losses	$ (45,100)	$ (52,279)	$ (33,684)
Acquired Loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at the beginning of the period	7,457	741	0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision/(recapture) for loan losses	(3,580)	6,716	741
Balance at the end of the period	$ 3,877	$ 7,457	$ 741