Mortgage Servicing Rights (MSR Carrying Value) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Beginning balance	$ 22,745,000	$ 19,756,000	$ 18,426,000	$ 22,963,000
Servicing rights originated	3,101,000	2,096,000	6,545,000	3,679,000
Amortization	(2,077,000)	(2,119,000)	(4,325,000)	(3,942,000)
Valuation allowance decrease (increase)	(1,784,000)	(1,069,000)	1,339,000	(4,036,000)
Ending balance	$ 21,985,000	$ 18,664,000	$ 21,985,000	$ 18,664,000