Label	Element	Value
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	$ 233,000
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	233,000
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	47,951,000
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(206,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(85,000)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	10,791,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	382,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	41,266,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	49,227,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	50,550,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	49,226,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	1,845,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	5,446,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	992,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	470,000
Proceeds from Equity Method Investment, Distribution	us-gaap_EquityMethodInvestmentDividendsOrDistributions	0
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2,705,000
Stock Issued During Period, Value, Stock Options Exercised	us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised	1,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	47,000
Noncontrolling Interest [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	39,000
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	52,000
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	57,000
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	48,000
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	(16,000)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	(233,000)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	(233,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	0
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	382,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	10,791,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	0
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	0
Retained Earnings, Appropriated [Member]
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	61,023,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	44,368,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	35,332,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	39,183,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	50,550,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	41,266,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	49,227,000
AOCI Attributable to Parent [Member]
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	(8,699,000)
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	1,396,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	1,744,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	1,772,000
Additional Paid-in Capital [Member]
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(206,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(85,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	47,944,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	5,446,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	1,845,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	992,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	470,000
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	(2,705,000)
Stock Issued During Period, Value, Stock Options Exercised	us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised	2,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	47,000
Common Stock [Member]
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	0
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	0
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	$ 7,000
Stock Issued During Period, Shares, New Issues	us-gaap_StockIssuedDuringPeriodSharesNewIssues	0
Stock Issued During Period, Value, Stock Options Exercised	us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised	$ 1,000
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation	62,516
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation	2,656
Common Stock [Member] | At-The-Market [Member]
Stock Issued During Period, Shares, New Issues	us-gaap_StockIssuedDuringPeriodSharesNewIssues	661,951
Parent [Member]
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	$ 37,104,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	45,764,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	52,324,000
Net Income (Loss) Attributable to Parent	us-gaap_NetIncomeLoss	40,927,000
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(206,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	(85,000)
Stock Issued During Period, Value, New Issues	us-gaap_StockIssuedDuringPeriodValueNewIssues	47,951,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	41,266,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	49,227,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	50,550,000
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	49,226,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	1,845,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	992,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	470,000
Share-based Payment Arrangement, Noncash Expense	us-gaap_ShareBasedCompensation	5,446,000
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	(2,705,000)
Stock Issued During Period, Value, Stock Options Exercised	us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised	1,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	47,000
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	$ (6,076,000)