Mortgage Loans Held for Sale (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	$ 31,666,000	$ 12,278,000
Gain (Loss) on Sale of Mortgage Loans	753,000	153,000
Loans held for sale - lower of cost or market		0
Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	30,900,000	$ 12,100,000
Impaired [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for sale - lower of cost or market	4,400,000		$ 174,000
Gain (Loss) on Sale of Loans and Leases	$ 0		$ 2,800,000