Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Cash and cash equivalents, Carrying Amount	$ 242,098	$ 266,743	$ 303,103	$ 253,172
Investment securities, Carrying Amount	457,068	390,552
Loans, net, Carrying Amount	647,888	654,691
Accrued interest receivable, Carrying Amount	6,267	6,543
Assets, Carrying Amount	1,353,321	1,318,529
Cash and cash equivalents, Fair Value	242,098	266,743
Investment securities, Fair Value	457,068	390,552
Loans, net, Fair Value	650,593	652,028
Accrued interest receivable, Fair Value	6,267	6,543
Assets, Fair Value	1,356,026	1,315,866
Deposits, Carrying Amount	609,230	621,961
Accounts and drafts payable, Carrying Amount	687,233	642,287
Accrued interest payable, Carrying Amount	47	46
Liabilities, Carrying Amount	1,296,510	1,264,294
Deposits, Fair Value	609,199	622,173
Accounts and drafts payable, Fair Value	687,233	642,287
Accrued interest payable, Fair Value	47	46
Liabilities, Fair Value	$ 1,296,479	$ 1,264,506

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business and includes carrying value of amounts due on drafts payable on the balance sheet date.

No definition available.