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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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.

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Face (par) amount of the original debt instrument that was repurchased.

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Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Trust Preferred Debentures (Details) XUA in Millions		1 Months Ended	3 Months Ended	12 Months Ended
Trust Preferred Debentures (Details) XUA in Millions	Sep. 26, 2002 USD ($)	Jun. 30, 2003 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) subsidiaryTrust	Dec. 31, 2020 XUA
Debt Instrument [Line Items]
Number of unconsolidated subsidiary trusts \| subsidiaryTrust				2
Leesport Capital Trust II
Debt Instrument [Line Items]
Par Amount	$ 10,000,000.0		$ 10,000,000.0	$ 10,000,000.0
Leesport Capital Trust II \| LIBOR
Debt Instrument [Line Items]
Floating interest rate	3.45%
Madison Statutory Trust I
Debt Instrument [Line Items]
Par Amount		$ 5,000,000.0	$ 5,000,000.0	$ 5,000,000.0
Madison Statutory Trust I \| LIBOR
Debt Instrument [Line Items]
Floating interest rate		3.10%
Sleepy Hollow Capital Trust I
Debt Instrument [Line Items]
Debt redemption, par amount \| XUA					XUA 4.0
Leesport Capital Trust II \| Leesport Capital Trust II \| Unconsolidated subsidiary
Debt Instrument [Line Items]
Ownership percentage by parent			100.00%	100.00%	100.00%
Madison Statutory Trust I \| Madison Statutory Trust I \| Unconsolidated subsidiary
Debt Instrument [Line Items]
Ownership percentage by parent			100.00%	100.00%	100.00%
Sleepy Hollow Capital Trust I
Debt Instrument [Line Items]
Debt redemption, percentage of principal amount redeemed			100.00%