Borrowings - Summary of Borrowings By Type (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 231,726	$ 196,171
Balance at End of Period	216,610	127,522
Federal Home Loan Bank Advances [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 185,577	$ 96,248
Weighted Average Interest Rate	1.45%	0.94%
Securities Sold under Agreements to Repurchase [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 31,033	$ 31,274
Weighted Average Interest Rate	1.26%	0.91%
Subordinated Debt [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 94,209	$ 94,087
Weighted Average Interest Rate	5.35%	5.36%
Federal Home Loan Bank Advances [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 124,500	$ 91,300
Weighted Average Interest Rate	1.24%	0.74%
Federal Funds Purchased [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 85,000	$ 80,000
Weighted Average Interest Rate	1.31%	0.81%
Securities Sold under Agreements to Repurchase [Member]
Schedule of Borrowings [Line Items]
Balance at End of Period	$ 22,226	$ 24,871
Weighted Average Interest Rate	0.05%	0.05%