Loans and Allowance for Losses - Schedule of Past Due Financing Receivables (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	$ 28,045		$ 26,881
Net Credit Losses/(Recoveries)	131	$ (18)
Loans subject to removal-of-account provisions	100		100
On-balance sheet [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	20,812		19,577
Net Credit Losses/(Recoveries)	131	(18)
Off-balance sheet [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	7,233		$ 7,304
Net Credit Losses/(Recoveries)	$ 0	$ 0