XML 74 R57.htm IDEA: XBRL DOCUMENT v3.22.4

Note 11 - Distributions - Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended	12 Months Ended
	Feb. 23, 2023	Oct. 28, 2022	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Distributions declared per share (in dollars per share)		$ 0.11	$ 1.28	$ 1.28	$ 1.25	$ 1.25
Dividends, cash			$ 29,619		$ 25,067
Dividends, shares (in shares)			55,095		28,057
Dividends, stock			$ 679		$ 460
Dividend Paid January 13, 2023 [Member] | Subsequent Event [Member]
Distributions declared per share (in dollars per share)	$ 0.11
First 10/28/2022 Dividend [Member]
Record date				Feb. 17, 2023
Payment date				Mar. 15, 2023
Distributions declared per share (in dollars per share)				$ 0.11
Dividends, cash				$ 0
Dividends, shares (in shares)				0
Dividends, stock				$ 0
Second 10/28/2022 Dividend [Member]
Record date				Jan. 18, 2023
Payment date				Feb. 15, 2023
Distributions declared per share (in dollars per share)				$ 0.11
Dividends, cash				$ 3,021
Dividends, shares (in shares)				5,754
Dividends, stock				$ 74
Third 10/28/2022 Dividend [Member]
Record date				Dec. 19, 2022
Payment date				Jan. 13, 2023
Distributions declared per share (in dollars per share)				$ 0.11
Dividends, cash				$ 2,978
Dividends, shares (in shares)				5,618
Dividends, stock				$ 69
Fourth 10/28/2022 Dividend [Member]
Record date				Nov. 17, 2022
Payment date				Dec. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.05
Dividends, cash				$ 1,319
Dividends, shares (in shares)				2,171
Dividends, stock				$ 27
First 7/29/2022 Dividend [Member]
Record date				Nov. 17, 2022
Payment date				Dec. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,638
Dividends, shares (in shares)				4,341
Dividends, stock				$ 57
Second 7/29/2022 Dividend [Member]
Record date				Oct. 18, 2022
Payment date				Nov. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,580
Dividends, shares (in shares)				4,621
Dividends, stock				$ 60
Third 7/29/2022 Dividend [Member]
Record date				Sep. 19, 2022
Payment date				Oct. 14, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,558
Dividends, shares (in shares)				7,703
Dividends, stock				$ 81
First 4/29/22 Dividend [Member]
Record date				Aug. 18, 2022
Payment date				Sep. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,528
Dividends, shares (in shares)				4,925
Dividends, stock				$ 60
Second 4/29/2022 Dividend [Member]
Record date				Jul. 19, 2022
Payment date				Aug. 16, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,484
Dividends, shares (in shares)				3,939
Dividends, stock				$ 55
Third 4/29/2022 Dividend [Member]
Record date				Jun. 17, 2022
Payment date				Jul. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,434
Dividends, shares (in shares)				4,286
Dividends, stock				$ 51
First 2/25/2022 Dividend [Member]
Record date				May 18, 2022
Payment date				Jun. 15, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,378
Dividends, shares (in shares)				4,428
Dividends, stock				$ 50
Second 2/25/2022 Dividend [Member]
Record date				Apr. 19, 2022
Payment date				May 16, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,349
Dividends, shares (in shares)				4,088
Dividends, stock				$ 49
Third 2/25/2022 Dividend [Member]
Record date				Mar. 18, 2022
Payment date				Apr. 14, 2022
Distributions declared per share (in dollars per share)				$ 0.10
Dividends, cash				$ 2,352
Dividends, shares (in shares)				3,221
Dividends, stock				$ 46
First 10/22/21 Dividend [Member]
Record date					Feb. 18, 2022
Payment date					Mar. 16, 2022
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,100
Dividends, shares (in shares)					3,409
Dividends, stock					$ 46
Second 10/22/21 Dividend [Member]
Record date					Jan. 19, 2022
Payment date					Feb. 16, 2022
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,096
Dividends, shares (in shares)					2,680
Dividends, stock					$ 43
Third 10/22/21 Dividend [Member]
Record date					Dec. 17, 2021
Payment date					Jan. 14, 2022
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,031
Dividends, shares (in shares)					3,417
Dividends, stock					$ 56
Fourth 10/22/21 Dividend [Member]
Record date					Nov. 18, 2021
Payment date					Dec. 15, 2021
Distributions declared per share (in dollars per share)					$ 0.05
Dividends, cash					$ 1,013
Dividends, shares (in shares)					1,197
Dividends, stock					$ 20
First 7/23/21 Dividend [Member]
Record date					Nov. 18, 2021
Payment date					Dec. 15, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,027
Dividends, shares (in shares)					2,395
Dividends, stock					$ 38
Second 7/23/21 Dividend [Member]
Record date					Oct. 19, 2021
Payment date					Nov. 16, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,010
Dividends, shares (in shares)					1,907
Dividends, stock					$ 34
Third 7/23/21 Dividend [Member]
Record date					Sep. 17, 2021
Payment date					Oct. 15, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 2,008
Dividends, shares (in shares)					2,068
Dividends, stock					$ 36
First 4/23/21 Dividend [Member]
Record date					Aug. 18, 2021
Payment date					Sep. 15, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,996
Dividends, shares (in shares)					2,041
Dividends, stock					$ 34
Second 4/23/21 Dividend [Member]
Record date					Jul. 20, 2021
Payment date					Aug. 16, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,983
Dividends, shares (in shares)					1,937
Dividends, stock					$ 34
Third 4/23/21 Dividend [Member]
Record date					Jun. 17, 2021
Payment date					Jul. 16, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,964
Dividends, shares (in shares)					1,888
Dividends, stock					$ 33
First 2/26/21 Dividend [Member]
Record date					May 18, 2021
Payment date					Jun. 16, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,964
Dividends, shares (in shares)					1,671
Dividends, stock					$ 29
Second 2/26/21 Dividend [Member]
Record date					Apr. 20, 2021
Payment date					May 14, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,937
Dividends, shares (in shares)					1,794
Dividends, stock					$ 29
Third 2/26/21 Dividend [Member]
Record date					Mar. 18, 2021
Payment date					Apr. 16, 2021
Distributions declared per share (in dollars per share)					$ 0.10
Dividends, cash					$ 1,938
Dividends, shares (in shares)					1,653
Dividends, stock					$ 28

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares of common stock issued as dividends during the period. Excludes stock splits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

+ Details

Name:	us-gaap_CommonStockDividendsShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_DividendsCommonStockCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_DividendsCommonStockStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_DividendPaidJanuary132023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First10282022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second10282022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third10282022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Fourth10282022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First7292022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second7292022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third7292022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First42922DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second4292022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third4292022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First2252022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second2252022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third2252022DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First102221DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second102221DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third102221DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Fourth102221DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First72321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second72321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third72321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First42321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second42321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third42321DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_First22621DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Second22621DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=hrzn_Third22621DividendMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: