Commitments and Contingencies (Tables)

6 Months Ended

Jun. 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:

	June 30, 2017		December 31, 2016
	(Dollars in thousands)
Commitments to extend credit	$	2,359,266	$	2,227,955
Standby letters of credit	16,232		18,190
Deferred standby letter of credit fees	93		108