Loans and Allowance for Losses - Schedule of Past Due Financing Receivables (Details) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	$ 59,691,000		$ 26,881,000
Net Credit Losses/(Recoveries)	131,000	$ 40,000
Loans subject to removal-of-account provisions	0		100,000
On-balance sheet [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	55,987,000		19,577,000
Net Credit Losses/(Recoveries)	131,000	40,000
Off-balance sheet [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
90-Days Delinquencies	3,704,000		$ 7,304,000
Net Credit Losses/(Recoveries)	$ 0	$ 0