Acquisitions Deteriorated Loans Transferred In (Details) $ in Thousands	Aug. 12, 2016 USD ($)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition	$ 19,324
Certain Loans Acquired in Transfer, Nonaccretable Difference	10,999
Certain Loans Acquired in Transfer, Accretable Yield	8,325
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value	1,113
Loans Acquired in Transfer, Contractually Required Payments Receivable at Acquisition	100,616
Loans Acquired in Transfer, Nonaccretable Difference	4,702
Loans Acquired in Transfer at Acquisition Fair Value	76,136
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value	$ 7,212