Consolidated Statements of Cash Flows (Parentheticals)
Dec. 31, 2017
|Subordinates Note Due November 8, 2027 [Member]|
|Debt instrument, interest rate||4.50%|
|Subordinated Notes Due November 9, 2022 [Member]|
|Debt instrument, interest rate||5.50%|
Contractual interest rate for funds borrowed, under the debt agreement.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef