Borrowed Funds (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt [Table Text Block]

The contractual payments due for FHLB option advance borrowings, as of December 31, 2017, were as follows:

	(Dollars in thousands)
2018	$	19,765
2019	10,287
2020	—
2021	164
	$	30,216