Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]

The following table summarizes the above financial instruments at the dates indicated:

	September 30, 2017		December 31, 2016
	(Dollars in thousands)
Commitments to extend credit	$	2,436,512	$	2,227,955
Standby letters of credit	15,883		18,190
Deferred standby letter of credit fees	130		108