2017 Q4 Form 10-K Financial Statement
#000156459018002882 Filed on February 22, 2018
Income Statement
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
Revenue | $353.3M | $350.1M | $358.2M |
YoY Change | 17.66% | 10.62% | 14.83% |
Cost Of Revenue | $99.50M | $96.70M | $94.70M |
YoY Change | -4.14% | 28.93% | 29.2% |
Gross Profit | $260.7M | $260.3M | $269.7M |
YoY Change | 14.14% | 7.83% | 13.03% |
Gross Profit Margin | 73.8% | 74.36% | 75.3% |
Selling, General & Admin | $215.0M | $214.1M | $217.7M |
YoY Change | 12.21% | 7.75% | 10.56% |
% of Gross Profit | 82.47% | 82.25% | 80.72% |
Research & Development | |||
YoY Change | |||
% of Gross Profit | |||
Depreciation & Amortization | $22.50M | $22.34M | $22.20M |
YoY Change | 16.58% | 12.25% | 12.12% |
% of Gross Profit | 8.63% | 8.58% | 8.23% |
Operating Expenses | $237.8M | $235.7M | $240.0M |
YoY Change | 12.65% | 7.72% | 10.65% |
Operating Profit | $22.93M | $24.57M | $29.69M |
YoY Change | 33.4% | 8.5% | 36.67% |
Interest Expense | -$1.300M | -$1.300M | -$1.500M |
YoY Change | 30.0% | 8.33% | 15.38% |
% of Operating Profit | -5.67% | -5.29% | -5.05% |
Other Income/Expense, Net | $100.0K | $100.0K | -$100.0K |
YoY Change | 0.0% | ||
Pretax Income | $21.80M | $23.40M | $28.10M |
YoY Change | 34.57% | 8.33% | 37.07% |
Income Tax | $7.900M | $9.000M | $10.50M |
% Of Pretax Income | 36.24% | 38.46% | 37.37% |
Net Earnings | $47.79M | $14.37M | $17.57M |
YoY Change | 361.82% | 3.96% | 32.36% |
Net Earnings / Revenue | 13.53% | 4.11% | 4.91% |
Basic Earnings Per Share | $1.87 | $0.56 | $0.69 |
Diluted Earnings Per Share | $1.82 | $0.55 | $0.68 |
COMMON SHARES | |||
Basic Shares Outstanding | 25.53M | ||
Diluted Shares Outstanding | 26.11M |
Balance Sheet
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $4.700M | $100.0K | $400.0K |
YoY Change | 213.33% | -87.5% | 0.0% |
Cash & Equivalents | $4.720M | $81.00K | $399.0K |
Short-Term Investments | |||
Other Short-Term Assets | $7.047M | $28.40M | $30.20M |
YoY Change | 28.15% | 27.93% | 2.37% |
Inventory | |||
Prepaid Expenses | $17.54M | ||
Receivables | $170.3M | $172.1M | $167.0M |
Other Receivables | $3.600M | $0.00 | $0.00 |
Total Short-Term Assets | $203.2M | $200.6M | $197.6M |
YoY Change | 22.2% | 20.55% | 14.82% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $735.8M | $722.8M | $713.2M |
YoY Change | 21.79% | 18.12% | 13.95% |
Goodwill | $12.11M | ||
YoY Change | 0.0% | ||
Intangibles | |||
YoY Change | |||
Long-Term Investments | |||
YoY Change | |||
Other Assets | $4.259M | $5.000M | $4.800M |
YoY Change | -2.63% | 11.11% | 4.35% |
Total Long-Term Assets | $764.1M | $752.1M | $742.7M |
YoY Change | 20.54% | 17.11% | 13.08% |
TOTAL ASSETS | |||
Total Short-Term Assets | $203.2M | $200.6M | $197.6M |
Total Long-Term Assets | $764.1M | $752.1M | $742.7M |
Total Assets | $967.3M | $952.7M | $940.3M |
YoY Change | 20.88% | 17.82% | 13.44% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $57.44M | $63.70M | $55.70M |
YoY Change | 27.59% | 32.43% | 12.07% |
Accrued Expenses | $75.60M | $81.80M | $77.00M |
YoY Change | 16.85% | 113.58% | 129.17% |
Deferred Revenue | |||
YoY Change | |||
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | $14.10M | $17.10M | $16.70M |
YoY Change | -16.07% | 2.4% | 0.6% |
Total Short-Term Liabilities | $166.9M | $183.5M | $167.7M |
YoY Change | 15.27% | 19.62% | 15.73% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $118.8M | $110.2M | $131.7M |
YoY Change | 108.42% | 42.19% | 7.33% |
Other Long-Term Liabilities | $217.9M | $37.20M | $38.90M |
YoY Change | 26.43% | 7.2% | 9.89% |
Total Long-Term Liabilities | $217.9M | $147.4M | $170.6M |
YoY Change | 26.43% | 31.37% | 7.91% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $166.9M | $183.5M | $167.7M |
Total Long-Term Liabilities | $217.9M | $147.4M | $170.6M |
Total Liabilities | $384.8M | $421.0M | $425.3M |
YoY Change | 21.33% | 23.93% | 13.5% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | $339.5M | ||
YoY Change | 36.69% | ||
Common Stock | $246.5M | ||
YoY Change | 3.62% | ||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $582.5M | $531.8M | $515.0M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $967.3M | $952.7M | $940.3M |
YoY Change | 20.88% | 17.82% | 13.44% |
Cashflow Statement
Concept | 2017 Q4 | 2017 Q3 | 2017 Q2 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | $47.79M | $14.37M | $17.57M |
YoY Change | 361.82% | 3.96% | 32.36% |
Depreciation, Depletion And Amortization | $22.50M | $22.34M | $22.20M |
YoY Change | 16.58% | 12.25% | 12.12% |
Cash From Operating Activities | $30.10M | $48.40M | $55.20M |
YoY Change | 4.88% | -6.74% | 11.52% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$31.00M | -$28.40M | -$38.90M |
YoY Change | 195.24% | 317.65% | -19.13% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | $2.100M | $2.200M | $300.0K |
YoY Change | 200.0% | 450.0% | 50.0% |
Cash From Investing Activities | -$28.90M | -$26.20M | -$38.60M |
YoY Change | 191.92% | 315.87% | -19.42% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 3.500M | -22.60M | -16.80M |
YoY Change | -119.34% | -50.0% | 1100.0% |
NET CHANGE | |||
Cash From Operating Activities | 30.10M | 48.40M | 55.20M |
Cash From Investing Activities | -28.90M | -26.20M | -38.60M |
Cash From Financing Activities | 3.500M | -22.60M | -16.80M |
Net Change In Cash | 4.700M | -400.0K | -200.0K |
YoY Change | 571.43% | -200.0% | -200.0% |
FREE CASH FLOW | |||
Cash From Operating Activities | $30.10M | $48.40M | $55.20M |
Capital Expenditures | -$31.00M | -$28.40M | -$38.90M |
Free Cash Flow | $61.10M | $76.80M | $94.10M |
YoY Change | 55.87% | 30.83% | -3.59% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
48024000 | |
CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
24919000 | |
CY2017Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
4720000 | |
CY2016Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
1539000 | |
CY2017Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
170610000 | |
CY2017Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
17540000 | |
CY2017Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
3664000 | |
CY2017Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
7047000 | |
CY2017Q4 | us-gaap |
Assets Current
AssetsCurrent
|
203581000 | |
CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
1289994000 | |
CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
554214000 | |
CY2017Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
735780000 | |
CY2017Q4 | us-gaap |
Goodwill
Goodwill
|
12105000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
11922000 | |
CY2017Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
4259000 | |
CY2017Q4 | us-gaap |
Assets
Assets
|
967647000 | |
CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
57717000 | |
CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
39748000 | |
CY2017Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
35850000 | |
CY2017Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
19807000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
14083000 | |
CY2017Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
167205000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
118833000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
59423000 | |
CY2017Q4 | saia |
Claims Insurance And Other Noncurrent
ClaimsInsuranceAndOtherNoncurrent
|
39639000 | |
CY2017Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
217895000 | |
CY2016Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
172348000 | |
CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2017Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
||
CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
26000 | |
CY2016Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
17369000 | |
CY2016Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
6989000 | |
CY2016Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
5499000 | |
CY2016Q4 | us-gaap |
Assets Current
AssetsCurrent
|
166479000 | |
CY2016Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
1101946000 | |
CY2016Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
497827000 | |
CY2016Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
604119000 | |
CY2016Q4 | us-gaap |
Goodwill
Goodwill
|
12105000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
13293000 | |
CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
4374000 | |
CY2016Q4 | us-gaap |
Assets
Assets
|
800370000 | |
CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
45149000 | |
CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
31700000 | |
CY2016Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
135083000 | |
CY2016 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-4217000 | |
CY2015 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
95000 | |
CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
89778000 | |
CY2017 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
92000 | |
CY2016 | us-gaap |
Interest Expense
InterestExpense
|
4394000 | |
CY2015 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
89975000 | |
CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
74919000 | |
CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-1378000 | |
CY2017Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
246454000 | |
CY2016 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
76240000 | |
CY2015 | saia |
Director Deferred Value For Annual Deferral Elections
DirectorDeferredValueForAnnualDeferralElections
|
895000 | |
CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
|
2533000 | |
CY2015 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
3118000 | |
CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation
AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
|
2674000 | |
CY2015 | saia |
Purchase Of Shares By Deferred Compensation Trust
PurchaseOfSharesByDeferredCompensationTrust
|
2227000 | |
CY2015 | saia |
Sale Of Shares By Deferred Compensation Trust
SaleOfSharesByDeferredCompensationTrust
|
2227000 | |
CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
3562000 | |
CY2016 | saia |
Director Deferred Value For Annual Deferral Elections
DirectorDeferredValueForAnnualDeferralElections
|
1037000 | |
CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation
AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
|
44000 | |
CY2016 | saia |
Purchase Of Shares By Deferred Compensation Trust
PurchaseOfSharesByDeferredCompensationTrust
|
203000 | |
CY2016 | saia |
Sale Of Shares By Deferred Compensation Trust
SaleOfSharesByDeferredCompensationTrust
|
203000 | |
CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
427889000 | |
CY2017 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
4131000 | |
CY2017 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
94737000 | |
CY2017 | us-gaap |
Interest Expense
InterestExpense
|
5051000 | |
CY2015 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-4012000 | |
CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
85963000 | |
CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
30947000 | |
CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
26895000 | |
CY2015 | us-gaap |
Net Income Loss
NetIncomeLoss
|
55016000 | |
CY2017 | us-gaap |
Nonoperating Income Expense
NonoperatingIncomeExpense
|
-4959000 | |
CY2016Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
33047000 | |
CY2016Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
18286000 | |
CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Current
LongTermDebtAndCapitalLeaseObligationsCurrent
|
16762000 | |
CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
144944000 | |
CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations
LongTermDebtAndCapitalLeaseObligations
|
57042000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Noncurrent
DeferredTaxLiabilitiesNoncurrent
|
80199000 | |
CY2016Q4 | saia |
Claims Insurance And Other Noncurrent
ClaimsInsuranceAndOtherNoncurrent
|
35107000 | |
CY2017 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
183000 | |
CY2015 | us-gaap |
Interest Expense
InterestExpense
|
4107000 | |
CY2016 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
177000 | |
CY2016Q4 | us-gaap |
Preferred Stock Value
PreferredStockValue
|
||
CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
25000 | |
CY2016Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
237846000 | |
CY2016Q4 | us-gaap |
Common Stock Issued Employee Trust Deferred
CommonStockIssuedEmployeeTrustDeferred
|
3190000 | |
CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
248397000 | |
CY2016Q4 | us-gaap |
Preferred Stock Shares Issued
PreferredStockSharesIssued
|
0 | |
CY2016Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.001 | |
CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
50000000 | |
CY2016Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
25322701 | |
CY2016Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
25322701 | |
CY2016Q4 | us-gaap |
Common Stock Shares Held In Employee Trust Shares
CommonStockSharesHeldInEmployeeTrustShares
|
166807 | |
CY2016 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
1218481000 | |
CY2015 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
1221311000 | |
CY2016 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
696046000 | |
CY2015 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
670173000 | |
CY2016 | saia |
Purchased Transportation
PurchasedTransportation
|
56329000 | |
CY2015 | saia |
Purchased Transportation
PurchasedTransportation
|
70611000 | |
CY2016 | saia |
Fuel Operating Expenses And Supplies
FuelOperatingExpensesAndSupplies
|
230364000 | |
CY2015 | saia |
Fuel Operating Expenses And Supplies
FuelOperatingExpensesAndSupplies
|
261387000 | |
CY2016 | us-gaap |
Cost Of Services Direct Taxes And Licenses Costs
CostOfServicesDirectTaxesAndLicensesCosts
|
40025000 | |
CY2015 | us-gaap |
Cost Of Services Direct Taxes And Licenses Costs
CostOfServicesDirectTaxesAndLicensesCosts
|
37003000 | |
CY2016 | us-gaap |
Operating Insurance And Claims Costs Production
OperatingInsuranceAndClaimsCostsProduction
|
39625000 | |
CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2016 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-716000 | |
CY2015 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-310000 | |
CY2016 | us-gaap |
Operating Costs And Expenses
OperatingCostsAndExpenses
|
1139345000 | |
CY2015 | us-gaap |
Operating Costs And Expenses
OperatingCostsAndExpenses
|
1131336000 | |
CY2016 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
79136000 | |
CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
25038000 | |
CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
25680000 | |
CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
25471000 | |
CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.92 | |
CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.21 | |
CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.87 | |
CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
2.16 | |
CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
366906000 | |
CY2015 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
65020000 | |
CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
2983000 | |
CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
|
3173000 | |
CY2016 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
651000 | |
CY2017Q4 | us-gaap |
Common Stock Issued Employee Trust Deferred
CommonStockIssuedEmployeeTrustDeferred
|
3486000 | |
CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
339553000 | |
CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
582547000 | |
CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
483078000 | |
CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
967647000 | |
CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
800370000 | |
CY2017Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
3991000 | |
CY2016Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
3222000 | |
CY2017Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.001 | |
CY2016Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.001 | |
CY2017Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
50000 | |
CY2016Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
50000 | |
CY2017Q4 | us-gaap |
Preferred Stock Shares Issued
PreferredStockSharesIssued
|
0 | |
CY2017Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2017Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.001 | |
CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
50000000 | |
CY2017Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
25551617 | |
CY2017Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
25551617 | |
CY2017Q4 | us-gaap |
Common Stock Shares Held In Employee Trust Shares
CommonStockSharesHeldInEmployeeTrustShares
|
170310 | |
CY2017 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
1378510000 | |
CY2017 | us-gaap |
Labor And Related Expense
LaborAndRelatedExpense
|
766790000 | |
CY2017 | saia |
Purchased Transportation
PurchasedTransportation
|
81482000 | |
CY2017 | saia |
Fuel Operating Expenses And Supplies
FuelOperatingExpensesAndSupplies
|
268090000 | |
CY2017 | us-gaap |
Cost Of Services Direct Taxes And Licenses Costs
CostOfServicesDirectTaxesAndLicensesCosts
|
43330000 | |
CY2017 | us-gaap |
Operating Insurance And Claims Costs Production
OperatingInsuranceAndClaimsCostsProduction
|
37162000 | |
CY2015 | us-gaap |
Operating Insurance And Claims Costs Production
OperatingInsuranceAndClaimsCostsProduction
|
26832000 | |
CY2017 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
87102000 | |
CY2017 | us-gaap |
Operating Costs And Expenses
OperatingCostsAndExpenses
|
1283773000 | |
CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
91156000 | |
CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
25518000 | |
CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
26086000 | |
CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
3.57 | |
CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
3.49 | |
CY2015 | us-gaap |
Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
|
7143000 | |
CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-4243000 | |
CY2015 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
27054000 | |
CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
124000 | |
CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
4367000 | |
CY2017 | saia |
Director Deferred Value For Annual Deferral Elections
DirectorDeferredValueForAnnualDeferralElections
|
952000 | |
CY2017 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
|
4480000 | |
CY2017 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
1250000 | |
CY2017 | saia |
Purchase Of Shares By Deferred Compensation Trust
PurchaseOfSharesByDeferredCompensationTrust
|
95000 | |
CY2017 | saia |
Sale Of Shares By Deferred Compensation Trust
SaleOfSharesByDeferredCompensationTrust
|
95000 | |
CY2015 | us-gaap |
Deferred Tax Expense From Stock Options Exercised
DeferredTaxExpenseFromStockOptionsExercised
|
1056000 | |
CY2016 | us-gaap |
Deferred Tax Expense From Stock Options Exercised
DeferredTaxExpenseFromStockOptionsExercised
|
407000 | |
CY2017 | us-gaap |
Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
|
2634000 | |
CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
-20776000 | |
CY2017 | us-gaap |
Gain Loss On Sale Of Property
GainLossOnSaleOfProperty
|
183000 | |
CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
5083000 | |
CY2017 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
38161000 | |
CY2017 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
7089000 | |
CY2017 | us-gaap |
Increase Decrease In Operating Capital
IncreaseDecreaseInOperatingCapital
|
-14023000 | |
CY2016 | us-gaap |
Increase Decrease In Operating Capital
IncreaseDecreaseInOperatingCapital
|
-13399000 | |
CY2015 | us-gaap |
Increase Decrease In Operating Capital
IncreaseDecreaseInOperatingCapital
|
84000 | |
CY2017 | saia |
Claims Insurance And Other Changes In Operating Assets And Liabilities Net
ClaimsInsuranceAndOtherChangesInOperatingAssetsAndLiabilitiesNet
|
-4531000 | |
CY2017 | us-gaap |
Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
|
-5348000 | |
CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
157846000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
146426000 | |
CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
145833000 | |
CY2015 | us-gaap |
Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
|
22238000 | |
CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-181524000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-117683000 | |
CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-107919000 | |
CY2016 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
34683000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour
|
17230000 | |
CY2017Q4 | saia |
Uninsured Claims Amount Retained For Employee Hospitalization Per Occurrence
UninsuredClaimsAmountRetainedForEmployeeHospitalizationPerOccurrence
|
400000 | |
CY2017Q4 | saia |
Uninsured Claims Amount Retained For Cargo Loss And Damage Per Occurrence
UninsuredClaimsAmountRetainedForCargoLossAndDamagePerOccurrence
|
250000 | |
CY2015 | us-gaap |
Repayments Of Long Term Capital Lease Obligations
RepaymentsOfLongTermCapitalLeaseObligations
|
3507000 | |
CY2015 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-454000 | |
CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
26859000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-27328000 | |
CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-42157000 | |
CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
1415000 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
|
P3Y | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive
|
15794000 | |
CY2017 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<div> <p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Use of Estimates</p> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:5.24%;">Management makes estimates and assumptions when preparing the consolidated financial statements in conformity with U.S. generally accepted accounting principles. These estimates and assumptions affect the amounts reported in the consolidated financial statements and footnotes. Actual results could differ from those estimates.</p></div> | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive
|
15667000 | |
CY2017 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<div> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;font-style:italic;font-family:Times New Roman;font-size:10pt;font-weight:normal;text-transform:none;font-variant: normal;text-indent:5.24%;">Credit Risk:<font style="font-style:normal;">     The Company routinely grants credit to its customers. The risk of significant loss in trade receivables is substantially mitigated by the Company’s credit evaluation process, short collection terms, low revenue per transaction and services performed for a large number of customers with </font><font style="font-style:normal;">no single customer representing more than 5.0 percent of consolidated operating revenue. Allowances for potential credit losses are based on historical loss experience, current economic environment, expected trends and customer specific factors.</font></p></div> | |
CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
17637000 | |
CY2017 | us-gaap |
Capitalized Computer Software Additions
CapitalizedComputerSoftwareAdditions
|
2100000 | |
CY2016 | us-gaap |
Capitalized Computer Software Additions
CapitalizedComputerSoftwareAdditions
|
1600000 | |
CY2015 | us-gaap |
Capitalized Computer Software Additions
CapitalizedComputerSoftwareAdditions
|
2200000 | |
CY2017Q4 | saia |
Uninsured Claims Amount Retained For Workmen Compensation Liability Per Occurrence
UninsuredClaimsAmountRetainedForWorkmenCompensationLiabilityPerOccurrence
|
1000000 | |
CY2017Q4 | saia |
Uninsured Claims Amount Retained For Injuries And Property Damages Per Occurrence
UninsuredClaimsAmountRetainedForInjuriesAndPropertyDamagesPerOccurrence
|
2000000 | |
CY2017 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2017 | us-gaap |
Depreciation
Depreciation
|
85700000 | |
CY2016 | us-gaap |
Depreciation
Depreciation
|
74500000 | |
CY2015 | us-gaap |
Depreciation
Depreciation
|
63400000 | |
CY2017 | us-gaap |
Advertising Expense
AdvertisingExpense
|
2200000 | |
CY2016 | us-gaap |
Advertising Expense
AdvertisingExpense
|
1200000 | |
CY2015 | us-gaap |
Advertising Expense
AdvertisingExpense
|
1700000 | |
CY2016Q4 | us-gaap |
Senior Notes
SeniorNotes
|
7143000 | |
CY2017Q4 | us-gaap |
Capital Lease Obligations
CapitalLeaseObligations
|
89916000 | |
CY2016Q4 | us-gaap |
Capital Lease Obligations
CapitalLeaseObligations
|
66661000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Including Current Maturities
LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
|
132916000 | |
CY2016Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Including Current Maturities
LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
|
73804000 | |
CY2017 | saia |
Capital Lease Obligation Period
CapitalLeaseObligationPeriod
|
P7Y | |
CY2017 | us-gaap |
Interest Expense Other Long Term Debt
InterestExpenseOtherLongTermDebt
|
2300000 | |
CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
12127000 | |
CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
20768000 | |
CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
1761000 | |
CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
1988000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
26768000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
93897000 | |
CY2017 | saia |
Capital Expenditures Committed
CapitalExpendituresCommitted
|
146300000 | |
CY2017 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
11200000 | |
CY2017Q4 | saia |
Capital Lease Obligations Including Interest On Capital Leases
CapitalLeaseObligationsIncludingInterestOnCapitalLeases
|
141647000 | |
CY2017 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
21100000 | |
CY2016 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
18100000 | |
CY2015 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
17900000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
18726000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
16196000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
12895000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
10697000 | |
CY2016 | us-gaap |
Interest Expense Other Long Term Debt
InterestExpenseOtherLongTermDebt
|
2400000 | |
CY2015 | us-gaap |
Interest Expense Other Long Term Debt
InterestExpenseOtherLongTermDebt
|
3000000 | |
CY2017Q4 | us-gaap |
Long Term Debt Fair Value
LongTermDebtFairValue
|
132300000 | |
CY2016Q4 | us-gaap |
Long Term Debt Fair Value
LongTermDebtFairValue
|
77600000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months
LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths
|
16652000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo
|
16652000 | |
CY2017Q4 | us-gaap |
Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three
LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree
|
59652000 | |
CY2017 | saia |
Common Stock Sold By Employee Stock Trust
CommonStockSoldByEmployeeStockTrust
|
4717 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
8615000 | |
CY2016 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
5900000 | |
CY2017Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
1800000 | |
CY2016Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
1800000 | |
CY2015Q4 | us-gaap |
Goodwill
Goodwill
|
12025000 | |
CY2016 | us-gaap |
Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
|
80000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
24925000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
13003000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
24925000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
11632000 | |
CY2017 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1400000 | |
CY2016 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1700000 | |
CY2015 | us-gaap |
Amortization Of Intangible Assets
AmortizationOfIntangibleAssets
|
1600000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
|
1363000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
|
1180000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
|
1163000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
|
1163000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
|
1008000 | |
CY2017 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
142000 | |
CY2016 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
51000 | |
CY2015 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
93000 | |
CY2017 | saia |
Effect Of Other Common Stock Equivalents
EffectOfOtherCommonStockEquivalents
|
426000 | |
CY2016 | saia |
Effect Of Other Common Stock Equivalents
EffectOfOtherCommonStockEquivalents
|
591000 | |
CY2015 | saia |
Effect Of Other Common Stock Equivalents
EffectOfOtherCommonStockEquivalents
|
459000 | |
CY2017 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
61364 | |
CY2016 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
402770 | |
CY2017 | saia |
Common Stock Purchased By Employee Stock Trust
CommonStockPurchasedByEmployeeStockTrust
|
8220 | |
CY2016 | saia |
Common Stock Purchased By Employee Stock Trust
CommonStockPurchasedByEmployeeStockTrust
|
11530 | |
CY2015 | saia |
Common Stock Purchased By Employee Stock Trust
CommonStockPurchasedByEmployeeStockTrust
|
56325 | |
CY2017 | saia |
Aggregate Purchase Price Of Common Stock Purchased By Employee Stock Trust
AggregatePurchasePriceOfCommonStockPurchasedByEmployeeStockTrust
|
390542 | |
CY2016 | saia |
Aggregate Purchase Price Of Common Stock Purchased By Employee Stock Trust
AggregatePurchasePriceOfCommonStockPurchasedByEmployeeStockTrust
|
291349 | |
CY2015 | saia |
Aggregate Purchase Price Of Common Stock Purchased By Employee Stock Trust
AggregatePurchasePriceOfCommonStockPurchasedByEmployeeStockTrust
|
2226675 | |
CY2016 | saia |
Common Stock Sold By Employee Stock Trust
CommonStockSoldByEmployeeStockTrust
|
10694 | |
CY2015 | saia |
Common Stock Sold By Employee Stock Trust
CommonStockSoldByEmployeeStockTrust
|
83961 | |
CY2017 | saia |
Aggregate Sale Price Of Common Stock Sold By Employee Stock Trust
AggregateSalePriceOfCommonStockSoldByEmployeeStockTrust
|
271417 | |
CY2016 | saia |
Aggregate Sale Price Of Common Stock Sold By Employee Stock Trust
AggregateSalePriceOfCommonStockSoldByEmployeeStockTrust
|
322928 | |
CY2015 | saia |
Aggregate Sale Price Of Common Stock Sold By Employee Stock Trust
AggregateSalePriceOfCommonStockSoldByEmployeeStockTrust
|
3380448 | |
CY2017Q4 | us-gaap |
Deferred Compensation Arrangement With Individual Common Stock Reserved For Future Issuance
DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
|
228423 | |
CY2016Q4 | us-gaap |
Deferred Compensation Arrangement With Individual Common Stock Reserved For Future Issuance
DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
|
253413 | |
CY2016 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
500000 | |
CY2015 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
3700000 | |
CY2017 | us-gaap |
Excess Tax Benefit From Share Based Compensation Operating Activities
ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
|
1700000 | |
CY2017Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
2700000 | |
CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
|
10400000 | |
CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
34.38 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
|
P5Y | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P4Y7M6D | |
CY2015 | us-gaap |
Stock Issued During Period Shares Employee Stock Purchase Plans
StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
|
7327 | |
CY2017 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
|
P2Y2M12D | |
CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
427370 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
56150 | |
CY2017 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
141500 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
|
7020 | |
CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
335000 | |
CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
25280 | |
CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
32.15 | |
CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
34.75 | |
CY2017Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
|
920000 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
3500000 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
2500000 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
3500000 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
15.49 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
9.99 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
15.41 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
|
12.26 | |
CY2016 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
|
12.95 | |
CY2015 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
|
5.66 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0189 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0163 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0154 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P4Y6M | |
CY2016 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P4Y6M | |
CY2015 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P4Y6M | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.3690 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.4142 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.4082 | |
CY2016Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
402770 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
|
142180 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
|
7020 | |
CY2017Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
309720 | |
CY2016Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
|
11.88 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
|
11.15 | |
CY2017Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
|
12.38 | |
CY2017Q4 | us-gaap |
Accrued Employee Benefits Current
AccruedEmployeeBenefitsCurrent
|
12200000 | |
CY2016Q4 | us-gaap |
Accrued Employee Benefits Current
AccruedEmployeeBenefitsCurrent
|
5100000 | |
CY2015Q4 | us-gaap |
Accrued Employee Benefits Current
AccruedEmployeeBenefitsCurrent
|
2900000 | |
CY2017 | us-gaap |
Stock Issued During Period Shares Employee Stock Purchase Plans
StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
|
8063 | |
CY2016 | us-gaap |
Stock Issued During Period Shares Employee Stock Purchase Plans
StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
|
20532 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
CY2017 | saia |
Income Tax Reconciliation Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit
IncomeTaxReconciliationTaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit
|
-33910000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
86506000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
117625000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
93000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
1414000 | |
CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
86599000 | |
CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
119039000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
988000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
|
1225000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
2607000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
4538000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
|
5458000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
|
6115000 | |
CY2017Q4 | saia |
Deferred Tax Assets Claims And Insurance
DeferredTaxAssetsClaimsAndInsurance
|
16929000 | |
CY2016Q4 | saia |
Deferred Tax Assets Claims And Insurance
DeferredTaxAssetsClaimsAndInsurance
|
23241000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
1194000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
|
3721000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
27176000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
38840000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
59423000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
80199000 | |
CY2016Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
1300000 | |
CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
17000000 | |
CY2016 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
5400000 | |
CY2015 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
16400000 | |
CY2016Q4 | us-gaap |
Tax Credit Carryforward Amount
TaxCreditCarryforwardAmount
|
1000000 | |
CY2017Q1 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
317037000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
|
1532000 | |
CY2017Q2 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
358160000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-332000 | |
CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-929000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-533000 | |
CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
1280000 | |
CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
1158000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
7000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
171000 | |
CY2017Q3 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
350062000 | |
CY2017Q4 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
353251000 | |
CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
17519000 | |
CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
29718000 | |
CY2017Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
24602000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
490000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
|
100000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
351000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
268000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
1093000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
0 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
100000 | |
CY2015 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
200000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
100000 | |
CY2016Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
600000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
1100000 | |
CY2017Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
22898000 | |
CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
11387000 | |
CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
17603000 | |
CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
14407000 | |
CY2017Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.45 | |
CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
1759000 | |
CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
19398000 | |
CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
14115000 | |
CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
22527000 | |
CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-21221000 | |
CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
12599000 | |
CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
8570000 | |
CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
445000 | |
CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
181000 | |
CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-150000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
31422000 | |
CY2016 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
26222000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
30087000 | |
CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
2545000 | |
CY2016 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
2418000 | |
CY2015 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
2229000 | |
CY2017 | saia |
Income Tax Reconciliation Nondeductible Expense Benefits
IncomeTaxReconciliationNondeductibleExpenseBenefits
|
-913000 | |
CY2016 | saia |
Income Tax Reconciliation Nondeductible Expense Benefits
IncomeTaxReconciliationNondeductibleExpenseBenefits
|
462000 | |
CY2015 | saia |
Income Tax Reconciliation Nondeductible Expense Benefits
IncomeTaxReconciliationNondeductibleExpenseBenefits
|
696000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
|
190000 | |
CY2016 | us-gaap |
Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
|
1278000 | |
CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
47759000 | |
CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
17584000 | |
CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
21721000 | |
CY2017Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.69 | |
CY2017Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.56 | |
CY2017Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.87 | |
CY2017Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.44 | |
CY2017Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.68 | |
CY2017Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.55 | |
CY2017Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.82 | |
CY2016Q1 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
289911000 | |
CY2016Q2 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
311905000 | |
CY2016Q3 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
316442000 | |
CY2016Q4 | us-gaap |
Sales Revenue Services Net
SalesRevenueServicesNet
|
300223000 | |
CY2016Q3 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
22644000 | |
CY2016Q4 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
17187000 | |
CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
10575000 | |
CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
13275000 | |
CY2016Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
13826000 | |
CY2016Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
10348000 | |
CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.42 | |
CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.53 | |
CY2016Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.55 | |
CY2016Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.41 | |
CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.42 | |
CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.52 | |
CY2016Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.54 | |
CY2016Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.40 |