Number of loans in nonaccrual status.

No definition available.

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- Definition

The number of portfolio segments which make up financing receivables.

+ References

No definition available.

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- Definition

Threshold period for when financing receivable is considered nonperforming.

+ References

No definition available.

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- Definition

Real Estate Acquired Through Foreclosure, Number of Units

+ References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3A

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- Definition

Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3D
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3D

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481598/310-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-3

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11

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Mortgage Loans on Real Estate (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023 USD ($) segment loan	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) loan segment properties	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) properties loan
Loans and Leases Receivable Disclosure [Line Items]
Number of portfolio segments that make up financing receivables \| segment	3		3
Commitments outstanding	$ 750,500		$ 750,500
Accrued interest receivable	66,300		$ 66,300		$ 58,200
Real estate owned, number of properties \| properties			3		0
Real estate owned	$ 876		$ 876
Non-accrual status, number of loans \| loan	164		164		59
Interest income recognized on non-accrual loans	$ 156	$ 0	$ 2,156	$ 546
Number of TDRs \| loan	0		0
Minimum
Loans and Leases Receivable Disclosure [Line Items]
Number of days past due, nonperforming			90 days
Agricultural Mortgage Loans
Loans and Leases Receivable Disclosure [Line Items]
Principal outstanding	$ 585,020		$ 585,020		$ 567,630
Accrued interest receivable written off	0	0	0	0
Residential Mortgage Loans
Loans and Leases Receivable Disclosure [Line Items]
Principal outstanding	3,359,939		3,359,939		2,807,652
Accrued interest receivable written off	0	0	0	0
Commercial Mortgage Loans
Loans and Leases Receivable Disclosure [Line Items]
Principal outstanding	3,534,502		3,534,502		$ 3,560,903
Accrued interest receivable written off	$ 0	$ 0	$ 0	$ 0