Business Combinations - Acquiree Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Assets
Cash and cash equivalents	$ 45,149	$ 52,596	$ 57,584	$ 116,160
Other assets	25,805	4,838
Total Assets	2,774,240	2,717,677
Liabilities
Deposits	1,786,165	1,802,696
Borrowings	560,000	491,000
Other liabilities	58,352	62,047
Total liabilities	2,406,464	2,357,701
Stockholders' Equity
Stockholders' Equity	367,776	359,976
Total Liabilities and Stockholders' Equity	2,774,240	$ 2,717,677
TriSummit Bancorp
Assets
Cash and cash equivalents	5,282
Investment securities	58,728
Loans, net	261,964
Other assets	34,064
Total Assets	360,038
Liabilities
Deposits	277,302
Borrowings	50,199
Other liabilities	447
Total liabilities	327,948
Stockholders' Equity
Stockholders' Equity	32,090
Total Liabilities and Stockholders' Equity	$ 360,038