Debt Instrument, Debt Default, Increase in Interest Rate

No definition available.

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- Definition

Line of Credit Facility, Increase to Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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Reference 2: 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=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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+ Details

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Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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- Definition

+ References

+ Details

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Period Type:	instant

- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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+ Details

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Balance Type:	credit
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- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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Revolving Credit Facility and Long-Term Debt - Narrative (Details) - USD ($)		6 Months Ended
	Mar. 14, 2018	Jun. 30, 2018	Dec. 31, 2017	Dec. 13, 2017	Jul. 06, 2016
Line of Credit Facility [Line Items]
Outstanding borrowings		$ 413,985,000
Collateralized debt facility	$ 7,000,000	$ 6,985,000	$ 6,959,000
Variable rate on loan		3.26%
LIBOR
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Credit Agreement
Line of Credit Facility [Line Items]
Outstanding borrowings		$ 407,000,000
Remaining borrowing capacity on line of credit		47,800,000
Fixed interest rate percent			2.68%
Debt subject to fixed interest rate		$ 175,000,000	$ 175,000,000
Credit Agreement \| Variable Rate 1
Line of Credit Facility [Line Items]
Variable interest rate percent		3.84%	2.82%
Debt subject to variable interest rate		$ 232,000,000	$ 97,000,000
Credit Agreement \| Interest Rate Swap 2
Line of Credit Facility [Line Items]
Fixed interest rate percent		2.87%
Credit Agreement \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Increase to revolving credit commitment				$ 100,000,000
Maximum borrowing capacity				$ 375,000,000
Interest rate increase if in event of default		2.00%
Credit Agreement \| Revolving Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage		0.15%
Credit Agreement \| Revolving Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage		0.40%
Credit Agreement \| Term Loan
Line of Credit Facility [Line Items]
Debt instrument, face amount					$ 150,000,000
Credit Agreement \| Bridge Loan
Line of Credit Facility [Line Items]
Maximum borrowing capacity					$ 25,000,000