Derivatives and Hedging Derivatives and Hedging (Additional Information) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) derivative	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Other Commitments [Line Items]
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ 833,000
Derivative, Number of Interest Rate Swap Agreements | derivative	2
Unrealized Gain (Loss) on Derivatives	$ (61,000)	$ 89,000
Customer Loan Swaps [Member]
Other Commitments [Line Items]
Restricted Cash and Cash Equivalents	18,400,000	5,100,000
Interest Rate Lock Commitments [Member]
Other Commitments [Line Items]
Unrealized Gain (Loss) on Derivatives	395,000	(218,000)	$ 98,000
Derivative, Notional Amount	29,606,000	12,077,000
Forward Contracts [Member]
Other Commitments [Line Items]
Unrealized Gain (Loss) on Derivatives	282,000	(127,000)	(136,000)
Derivative, Notional Amount	11,915,000	4,315,000
Interest Rate Swap On Loans [Member]
Other Commitments [Line Items]
Loss on Cash Flow Hedge Ineffectiveness	0
Derivative Instrument Payment Of Interest Rate Swaps Designated As Cash Flow Hedges	214,000
Restricted Cash and Cash Equivalents	560,000
Derivative, Notional Amount	100,000,000
Interest Rate Swap [Member]
Other Commitments [Line Items]
Loss on Cash Flow Hedge Ineffectiveness	0	0	0
Derivative Instrument Payment Of Interest Rate Swaps Designated As Cash Flow Hedges	738,000	889,000	$ 1,300,000
Derivative, Notional Amount	43,000,000	43,000,000
Forward-Starting Interest Rate Swap [Member]
Other Commitments [Line Items]
Derivative Instrument Payment Of Interest Rate Swaps Designated As Cash Flow Hedges		58,000
Derivative, Notional Amount	25,000,000
Other Assets [Member] | Interest Rate Lock Commitments [Member]
Other Commitments [Line Items]
Derivative, Notional Amount	27,087,000	8,239,000
Other Assets [Member] | Forward Contracts [Member]
Other Commitments [Line Items]
Derivative, Notional Amount	10,846,000	2,593,000
Other Assets [Member] | Interest Rate Swap [Member]
Other Commitments [Line Items]
Restricted Cash and Cash Equivalents	8,800,000	5,800,000
Contract Two [Member] | Interest Rate Swap [Member]
Other Commitments [Line Items]
Derivative, Notional Amount	10,000,000	10,000,000
Contract Two [Member] | Forward-Starting Interest Rate Swap [Member]
Other Commitments [Line Items]
Derivative, Notional Amount	$ 0	$ 25,000,000