Other Assets - Loans, Fees, Amortization and Carrying Value (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Intangible Assets
Unpaid principal amount of consumer loans serviced for others	$ 1,673,158	$ 2,189,027
Contractually specified fees, late charges, and ancillary fees	4,800	5,700	$ 6,300
Amortization of mortgage servicing rights	3,676	6,313	$ 3,600
Mortgage servicing assets
Estimated future amortization expenses for MSRs over the next five years
2022	1,613
2023	1,274
2024	1,036
2025	854
2026	710
Details of MSRs
Gross carrying amount	69,103	67,856
Less: accumulated amortization	60,801	57,125
Net carrying value	$ 8,302	$ 10,731

Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

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Amount of contractually specified servicing fee, late fee, and ancillary fee recognized as income for servicing asset and servicing liability.

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-Publisher FASB
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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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